商品详情页面

Others/sql/flashsale.sql

@@ -11,12 +11,77 @@
  Target Server Version : 50726
  File Encoding         : 65001
 
- Date: 02/03/2022 11:35:11
+ Date: 03/03/2022 18:37:04
 */
 
 SET NAMES utf8mb4;
 SET FOREIGN_KEY_CHECKS = 0;
 
+-- ----------------------------
+-- Table structure for item_info
+-- ----------------------------
+DROP TABLE IF EXISTS `item_info`;
+CREATE TABLE `item_info`  (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `title` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL,
+  `price` decimal(10, 2) NOT NULL DEFAULT 0.00,
+  `description` varchar(500) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT '',
+  `sales` int(11) NOT NULL DEFAULT 0,
+  `img_url` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL,
+  PRIMARY KEY (`id`) USING BTREE
+) ENGINE = InnoDB AUTO_INCREMENT = 16 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_unicode_ci ROW_FORMAT = DYNAMIC;
+
+-- ----------------------------
+-- Records of item_info
+-- ----------------------------
+INSERT INTO `item_info` VALUES (1, 'item-h7p0wt-22680', 22.00, '0sddhs4aeowc26638j5fp2ox', 0, 'https://domain.com/pic/190ghi.jpg');
+INSERT INTO `item_info` VALUES (2, '电视机', 1800.00, '一台电视机', 0, 'https://domain.com/pic/television.png');
+INSERT INTO `item_info` VALUES (3, '电冰箱', 2800.00, '一台电冰箱', 0, 'https://domain.com/pic/电冰箱.png');
+INSERT INTO `item_info` VALUES (4, '空调', 3600.00, '一台空调', 0, 'https://domain.com/pic/空调.png');
+INSERT INTO `item_info` VALUES (5, 'item-2xmm6g-5492', 235.00, 'lsudsf67ghobos3q1olbwx27', 0, 'https://domain.com/pic/1fvojf.jpg');
+INSERT INTO `item_info` VALUES (6, 'item-wlx9gu-1220', 270.00, '3q234qqp3wwo53mtdv0qjuvg', 0, 'https://domain.com/pic/tkxc5q.jpg');
+INSERT INTO `item_info` VALUES (7, 'item-cqru11-3487', 259.00, '04q6lopvj3ubb4458k4wldok', 0, 'https://domain.com/pic/nxmx2h.jpg');
+INSERT INTO `item_info` VALUES (8, 'item-7f7qa1-5168', 314.00, 'jqkgc5ks2r9e2k8za3zs9rlc', 0, 'https://domain.com/pic/gvwtzd.jpg');
+INSERT INTO `item_info` VALUES (9, 'item-i8flrb-7649', 129.00, 'i0m9w2x5w4gugeq7hlyp8nqx', 0, 'https://domain.com/pic/rz85vu.jpg');
+INSERT INTO `item_info` VALUES (10, 'item-epo4p3-8545', 40.00, 'x71zeodg46ziiid7pgfag4bc', 0, 'https://domain.com/pic/o0f3uk.jpg');
+INSERT INTO `item_info` VALUES (11, 'item-o7iiuj-1056', 322.00, 'fm3r99ko038jbfhy5cg7kwp8', 0, 'https://domain.com/pic/u0rjr8.jpg');
+INSERT INTO `item_info` VALUES (12, 'item-fi7q7p-11366', 24.00, '18e54me0cdbqt8n9mxjnisf8', 0, 'https://domain.com/pic/eetb26.jpg');
+INSERT INTO `item_info` VALUES (13, 'item-9lwcps-12165', 9.00, 'hlxnhcfak89wengpsnehgtqs', 0, 'https://domain.com/pic/r9yxmi.jpg');
+INSERT INTO `item_info` VALUES (14, 'item-pgdbqk-12664', 151.00, 'irydvab5wixg59c7scgt50yh', 0, 'https://domain.com/pic/xvfgwv.jpg');
+INSERT INTO `item_info` VALUES (15, 'item-0lq98b-13424', 164.00, 'vwz4rsb4qhsnjs3phos35415', 0, 'https://domain.com/pic/9qhi3l.jpg');
+
+-- ----------------------------
+-- Table structure for item_stock
+-- ----------------------------
+DROP TABLE IF EXISTS `item_stock`;
+CREATE TABLE `item_stock`  (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `stock` int(11) NOT NULL,
+  `item_id` int(11) NOT NULL DEFAULT 0,
+  PRIMARY KEY (`id`) USING BTREE,
+  INDEX `item_id`(`item_id`) USING BTREE,
+  CONSTRAINT `item_stock_ibfk_1` FOREIGN KEY (`item_id`) REFERENCES `item_info` (`id`) ON DELETE RESTRICT ON UPDATE RESTRICT
+) ENGINE = InnoDB AUTO_INCREMENT = 16 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_unicode_ci ROW_FORMAT = DYNAMIC;
+
+-- ----------------------------
+-- Records of item_stock
+-- ----------------------------
+INSERT INTO `item_stock` VALUES (1, 140, 1);
+INSERT INTO `item_stock` VALUES (2, 876, 2);
+INSERT INTO `item_stock` VALUES (3, 876, 3);
+INSERT INTO `item_stock` VALUES (4, 87, 4);
+INSERT INTO `item_stock` VALUES (5, 909, 5);
+INSERT INTO `item_stock` VALUES (6, 960, 6);
+INSERT INTO `item_stock` VALUES (7, 511, 7);
+INSERT INTO `item_stock` VALUES (8, 444, 8);
+INSERT INTO `item_stock` VALUES (9, 116, 9);
+INSERT INTO `item_stock` VALUES (10, 93, 10);
+INSERT INTO `item_stock` VALUES (11, 943, 11);
+INSERT INTO `item_stock` VALUES (12, 917, 12);
+INSERT INTO `item_stock` VALUES (13, 351, 13);
+INSERT INTO `item_stock` VALUES (14, 117, 14);
+INSERT INTO `item_stock` VALUES (15, 34, 15);
+
 -- ----------------------------
 -- Table structure for user_info
 -- ----------------------------

frontend/createitem.html

@@ -0,0 +1,118 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Title</title>
+    <link href="static/assets/global/plugins/bootstrap/css/bootstrap.min.css" rel="stylesheet" type="text/css"/>
+    <link href="static/assets/global/css/components.css" rel="stylesheet" type="text/css"/>
+    <link href="static/assets/admin/pages/css/login.css" rel="stylesheet" type="text/css"/>
+    <script src="./static/assets/global/plugins/jquery-1.11.0.min.js" type="text/javascript"></script>
+</head>
+<body class="login">
+<div class="content">
+    <h3 class="form-title">创建商品</h3>
+    <div class="from-group">
+        <label class="control-label">商品名</label>
+        <div>
+            <input class="form-control" type="text" placeholder="商品名" name="title" id="title">
+        </div>
+    </div>
+    <div class="from-group">
+        <label class="control-label">商品描述</label>
+        <div>
+            <input class="form-control" type="text" placeholder="商品描述" name="description" id="description">
+        </div>
+    </div>
+    <div class="from-group">
+        <label class="control-label">价格</label>
+        <div>
+            <input class="form-control" type="text" placeholder="价格" name="price" id="price">
+        </div>
+    </div>
+    <div class="from-group">
+        <label class="control-label">图片</label>
+        <div>
+            <input class="form-control" type="text" placeholder="图片" name="imgUrl" id="imgUrl">
+        </div>
+    </div>
+    <div class="from-group">
+        <label class="control-label">库存</label>
+        <div>
+            <input class="form-control" type="text" placeholder="库存" name="stock" id="stock">
+        </div>
+    </div>
+    <div class="form-actions">
+        <button class="btn blue" id="create" type="submit">
+            创建商品
+        </button>
+    </div>
+</div>
+
+<script>
+    jQuery(document).ready(function () {
+        $("#create").on("click", function () {
+            var title = $("#title").val();
+            var description = $("#description").val();
+            var price = $("#price").val();
+            var imgUrl = $("#imgUrl").val();
+            var stock = $("#stock").val();
+
+            if (title == null || title == "") {
+                alert("商品名不能为空");
+                return false;
+            }
+            if (description == null || description == "") {
+                alert("商品描述不能为空");
+                return false;
+            }
+            if (price == null || price == "") {
+                alert("价格不能为空");
+                return false;
+            }
+            if (imgUrl == null || imgUrl == "") {
+                alert("图片Url不能为空");
+                return false;
+            }
+            if (stock == null || stock == "") {
+                alert("库存不能为空");
+                return false;
+            }
+            $.ajax({
+                type: "POST",
+                contentType: "application/x-www-form-urlencoded",
+                url: "http://localhost:8090/item/create",
+                data: {
+                    "title": title,
+                    "description": description,
+                    "imgUrl": imgUrl,
+                    "price": price,
+                    "stock": stock,
+                },
+                xhrFields: {withCredentials: true},
+                success: function (data) {
+                    if (data.status == "success") {
+                        alert("创建成功");
+                    } else {
+                        alert("创建失败，原因为" + data.data.errMsg);
+                    }
+                },
+                error: function (data) {
+                    alert("创建失败，原因为" + data.responseText);
+                }
+            })
+        })
+
+        function filldata() {
+            const date = new Date();
+            $("#title").val("item-" + Math.random().toString(36).slice(-6) + "-" + date.getSeconds() + date.getMilliseconds());
+            $("#description").val(Math.random().toString(36).slice(-6) + Math.random().toString(36).slice(-6) + Math.random().toString(36).slice(-6) + Math.random().toString(36).slice(-6));
+            $("#imgUrl").val("https://domain.com/pic/" + Math.random().toString(36).slice(-6) + ".jpg");
+            $("#price").val(Math.round(Math.random() * (500 - 1) + 1));
+            $("#stock").val(Math.round(Math.random() * (1000 - 1) + 1));
+        }
+
+        filldata();
+    })
+</script>
+</body>
+</html>

frontend/getitem.html

@@ -0,0 +1,97 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Title</title>
+    <link href="static/assets/global/plugins/bootstrap/css/bootstrap.min.css" rel="stylesheet" type="text/css"/>
+    <link href="static/assets/global/css/components.css" rel="stylesheet" type="text/css"/>
+    <link href="static/assets/admin/pages/css/login.css" rel="stylesheet" type="text/css"/>
+    <script src="./static/assets/global/plugins/jquery-1.11.0.min.js" type="text/javascript"></script>
+</head>
+<body class="login">
+<div class="content">
+    <h3 class="form-title">商品详情</h3>
+    <div class="from-group">
+        <div>
+            <label class="control-label" id="title">
+        </div>
+    </div>
+    <div class="from-group">
+        <label class="control-label">商品描述</label>
+        <div>
+            <label class="control-label" id="description">
+        </div>
+    </div>
+    <div class="from-group">
+        <label class="control-label">价格</label>
+        <div>
+            <label class="control-label" id="price">
+        </div>
+    </div>
+    <div class="from-group">
+            <img id="imgUrl" src="" style="width: 200px; height: auto;"/>
+    </div>
+    <div class="from-group">
+        <label class="control-label">库存</label>
+        <div>
+            <label class="control-label" id="stock">
+        </div>
+    </div>
+    <div class="from-group">
+        <label class="control-label">销量</label>
+        <div>
+            <label class="control-label" id="sales">
+        </div>
+    </div>
+    <div>
+        <a href="listitem.html">返回</a>
+    </div>
+</div>
+
+<script>
+    //获取url中的参数
+    function getUrlParam(name) {
+        var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)"); //构造一个含有目标参数的正则表达式对象
+        var r = window.location.search.substring(1).match(reg); //匹配目标参数
+        if (r != null) return decodeURIComponent(r[2]);
+        return null; //返回参数值
+    }
+
+    var itemId = getUrlParam("id");
+
+    var g_itemVO = [];
+
+    jQuery(document).ready(function () {
+        // 获取商品详情
+        $.ajax({
+            type: "GET",
+            url: "http://localhost:8090/item/get",
+            data: {
+                "id": itemId,
+            },
+            xhrFields: {withCredentials: true},
+            success: function (data) {
+                if (data.status == "success") {
+                    g_itemVO = data.data;
+                    reloadDom();
+                } else {
+                    alert("获取信息失败，原因为" + data.data.errMsg);
+                }
+            },
+            error: function (data) {
+                alert("获取信息失败，原因为" + data.responseText);
+            }
+        })
+    })
+
+    function reloadDom() {
+        $("#title").text(g_itemVO.title);
+        $("#description").text(g_itemVO.description);
+        $("#stock").text(g_itemVO.stock);
+        $("#price").text(g_itemVO.price);
+        $("#imgUrl").attr("src", g_itemVO.imgUrl);
+        $("#sales").text(g_itemVO.sales);
+    }
+</script>
+</body>
+</html>

frontend/listitem.html

@@ -0,0 +1,84 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Title</title>
+    <link href="static/assets/global/plugins/bootstrap/css/bootstrap.min.css" rel="stylesheet" type="text/css"/>
+    <link href="static/assets/global/css/components.css" rel="stylesheet" type="text/css"/>
+    <link href="static/assets/admin/pages/css/login.css" rel="stylesheet" type="text/css"/>
+    <script src="./static/assets/global/plugins/jquery-1.11.0.min.js" type="text/javascript"></script>
+</head>
+<body>
+<div class="content">
+    <h3 class="form-title">商品列表浏览</h3>
+    <div class="table-responsive">
+        <table class="table">
+            <thead>
+            <tr>
+                <th>商品名</th>
+                <th>商品图片</th>
+                <th>商品描述</th>
+                <th>商品价格</th>
+                <th>商品库存</th>
+                <th>商品销量</th>
+            </tr>
+            </thead>
+            <tbody id="container">
+            <tr>
+                <td></td>
+                <td></td>
+                <td></td>
+                <td></td>
+                <td></td>
+                <td></td>
+            </tr>
+            </tbody>
+        </table>
+    </div>
+</div>
+
+<script>
+    // 定义全局商品信息
+    var g_itemList = [];
+
+    jQuery(document).ready(function () {
+
+        $.ajax({
+            type: "GET",
+            url: "http://localhost:8090/item/list",
+            xhrFields: {withCredentials: true},
+            success: function (data) {
+                if (data.status == "success") {
+                    g_itemList = data.data;
+                    reloadDom();
+                } else {
+                    alert("获取商品信息失败，原因为" + data.data.errMsg);
+                }
+            },
+            error: function (data) {
+                alert("获取商品信息失败，原因为" + data.responseText);
+            }
+        })
+    })
+
+    function reloadDom() {
+        for (var i = 0; i < g_itemList.length; i++) {
+            var itemVO = g_itemList[i];
+            var dom = "<tr id='itemDetail" + itemVO.id + "' data-id='" + itemVO.id + "' style='cursor: pointer;'>" +
+                "<td>" + itemVO.title + "</td>" +
+                "<td><img style='width: 100px; height: auto;' src='" + itemVO.imgUrl + "'/></td>" +
+                "<td>" + itemVO.description + "</td>" +
+                "<td>" + itemVO.price + "</td>" +
+                "<td>" + itemVO.stock + "</td>" +
+                "<td>" + itemVO.sales + "</td>" +
+                "</tr>";
+            $("#container").append($(dom));
+
+            $("#itemDetail" + itemVO.id).on("click", function (e) {
+                window.location.href = "getitem.html?id=" + $(this).data("id");
+            })
+        }
+    }
+</script>
+</body>
+</html>

pom.xml

@@ -149,8 +149,8 @@
                     <configuration>
                         <!--允许移动生成的文件-->
                         <verbose>true</verbose>
-                        <!--允许自动覆盖文件（真正企业开发不要设置成true）-->
+                        <!--不允许自动覆盖文件（真正企业开发不要设置成true）-->
-                        <overwrite>true</overwrite>
+                        <overwrite>false</overwrite>
                         <!--mybatis配置文件路径-->
                         <configurationFile>
                             src/main/resources/mybatis-generator.xml

src/main/java/com/cxyxiaomo/flashsale/controller/ItemController.java

@@ -0,0 +1,81 @@
+package com.cxyxiaomo.flashsale.controller;
+
+import com.cxyxiaomo.flashsale.controller.viewobject.ItemVO;
+import com.cxyxiaomo.flashsale.error.BusinessException;
+import com.cxyxiaomo.flashsale.response.CommonReturnType;
+import com.cxyxiaomo.flashsale.service.ItemService;
+import com.cxyxiaomo.flashsale.service.model.ItemModel;
+import org.springframework.beans.BeanUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.*;
+
+import java.math.BigDecimal;
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Controller("/item")
+@RequestMapping("/item")
+@CrossOrigin(allowedHeaders = "*", allowCredentials = "true")
+public class ItemController extends BaseController {
+
+    @Autowired
+    private ItemService itemService;
+
+    // 创建商品的Controller
+    @RequestMapping(value = "/create", method = {RequestMethod.POST}, consumes = {CONTENT_TYPE_FORMED})
+    @ResponseBody
+    public CommonReturnType createItem(@RequestParam(name = "title") String title,
+                                       @RequestParam(name = "description") String description,
+                                       @RequestParam(name = "price") BigDecimal price,
+                                       @RequestParam(name = "stock") Integer stock,
+                                       @RequestParam(name = "imgUrl") String imgUrl) throws BusinessException {
+        // 封装Service请求用来创建商品
+        ItemModel itemModel = new ItemModel();
+        itemModel.setTitle(title);
+        itemModel.setDescription(description);
+        itemModel.setPrice(price);
+        itemModel.setStock(stock);
+        itemModel.setImgUrl(imgUrl);
+
+        ItemModel itemModelForReturn = itemService.createItem(itemModel);
+        ItemVO itemVO = convertVOFromModel(itemModelForReturn);
+
+        return CommonReturnType.create(itemVO);
+    }
+
+    // 商品详情页浏览
+    @RequestMapping(value = "/get", method = {RequestMethod.GET})
+    @ResponseBody
+    public CommonReturnType getItem(@RequestParam(name = "id") Integer id) {
+        ItemModel itemModel = itemService.getItemById(id);
+
+        ItemVO itemVO = convertVOFromModel(itemModel);
+
+        return CommonReturnType.create(itemVO);
+    }
+
+    // 商品列表页面浏览
+    @RequestMapping(value = "/list", method = {RequestMethod.GET})
+    @ResponseBody
+    public CommonReturnType listItem() {
+        List<ItemModel> itemModelList = itemService.listItem();
+
+        // 使用 Stream Api将list内的itemModel转化为ItemVO
+        List<ItemVO> itemVOList = itemModelList.stream().map(itemModel -> {
+            ItemVO itemVO = this.convertVOFromModel(itemModel);
+            return itemVO;
+        }).collect(Collectors.toList());
+
+        return CommonReturnType.create(itemVOList);
+    }
+
+    private ItemVO convertVOFromModel(ItemModel itemModel) {
+        if (itemModel == null) {
+            return null;
+        }
+        ItemVO itemVO = new ItemVO();
+        BeanUtils.copyProperties(itemModel, itemVO);
+        return itemVO;
+    }
+}

src/main/java/com/cxyxiaomo/flashsale/controller/viewobject/ItemVO.java

@@ -0,0 +1,82 @@
+package com.cxyxiaomo.flashsale.controller.viewobject;
+
+import java.math.BigDecimal;
+
+public class ItemVO {
+    // 商品价格
+    private Integer id;
+
+    // 商品名称
+    private String title;
+
+    // 商品价格
+    private BigDecimal price;
+
+    // 商品的库存
+    private Integer stock;
+
+    // 商品的描述
+    private String description;
+
+    // 商品的销量
+    private Integer sales;
+
+    // 商品描述图片的URL
+    private String imgUrl;
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public BigDecimal getPrice() {
+        return price;
+    }
+
+    public void setPrice(BigDecimal price) {
+        this.price = price;
+    }
+
+    public Integer getStock() {
+        return stock;
+    }
+
+    public void setStock(Integer stock) {
+        this.stock = stock;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public Integer getSales() {
+        return sales;
+    }
+
+    public void setSales(Integer sales) {
+        this.sales = sales;
+    }
+
+    public String getImgUrl() {
+        return imgUrl;
+    }
+
+    public void setImgUrl(String imgUrl) {
+        this.imgUrl = imgUrl;
+    }
+}

src/main/java/com/cxyxiaomo/flashsale/dao/ItemDOMapper.java

@@ -0,0 +1,57 @@
+package com.cxyxiaomo.flashsale.dao;
+
+import com.cxyxiaomo.flashsale.dataobject.ItemDO;
+
+import java.util.List;
+
+public interface ItemDOMapper {
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method corresponds to the database table item_info
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    int deleteByPrimaryKey(Integer id);
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method corresponds to the database table item_info
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    int insert(ItemDO record);
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method corresponds to the database table item_info
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    int insertSelective(ItemDO record);
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method corresponds to the database table item_info
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    ItemDO selectByPrimaryKey(Integer id);
+
+    List<ItemDO> listItem();
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method corresponds to the database table item_info
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    int updateByPrimaryKeySelective(ItemDO record);
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method corresponds to the database table item_info
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    int updateByPrimaryKey(ItemDO record);
+}

src/main/java/com/cxyxiaomo/flashsale/dao/ItemStockDOMapper.java

@@ -0,0 +1,55 @@
+package com.cxyxiaomo.flashsale.dao;
+
+import com.cxyxiaomo.flashsale.dataobject.ItemStockDO;
+
+public interface ItemStockDOMapper {
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method corresponds to the database table item_stock
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    int deleteByPrimaryKey(Integer id);
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method corresponds to the database table item_stock
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    int insert(ItemStockDO record);
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method corresponds to the database table item_stock
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    int insertSelective(ItemStockDO record);
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method corresponds to the database table item_stock
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    ItemStockDO selectByPrimaryKey(Integer id);
+
+    ItemStockDO selectByItemId(Integer id);
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method corresponds to the database table item_stock
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    int updateByPrimaryKeySelective(ItemStockDO record);
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method corresponds to the database table item_stock
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    int updateByPrimaryKey(ItemStockDO record);
+}

src/main/java/com/cxyxiaomo/flashsale/dataobject/ItemDO.java

@@ -0,0 +1,203 @@
+package com.cxyxiaomo.flashsale.dataobject;
+
+import java.math.BigDecimal;
+
+public class ItemDO {
+    /**
+     *
+     * This field was generated by MyBatis Generator.
+     * This field corresponds to the database column item_info.id
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    private Integer id;
+
+    /**
+     *
+     * This field was generated by MyBatis Generator.
+     * This field corresponds to the database column item_info.title
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    private String title;
+
+    /**
+     *
+     * This field was generated by MyBatis Generator.
+     * This field corresponds to the database column item_info.price
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    private BigDecimal price;
+
+    /**
+     *
+     * This field was generated by MyBatis Generator.
+     * This field corresponds to the database column item_info.description
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    private String description;
+
+    /**
+     *
+     * This field was generated by MyBatis Generator.
+     * This field corresponds to the database column item_info.sales
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    private Integer sales;
+
+    /**
+     *
+     * This field was generated by MyBatis Generator.
+     * This field corresponds to the database column item_info.img_url
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    private String imgUrl;
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method returns the value of the database column item_info.id
+     *
+     * @return the value of item_info.id
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    public Integer getId() {
+        return id;
+    }
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method sets the value of the database column item_info.id
+     *
+     * @param id the value for item_info.id
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method returns the value of the database column item_info.title
+     *
+     * @return the value of item_info.title
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    public String getTitle() {
+        return title;
+    }
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method sets the value of the database column item_info.title
+     *
+     * @param title the value for item_info.title
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    public void setTitle(String title) {
+        this.title = title == null ? null : title.trim();
+    }
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method returns the value of the database column item_info.price
+     *
+     * @return the value of item_info.price
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    public BigDecimal getPrice() {
+        return price;
+    }
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method sets the value of the database column item_info.price
+     *
+     * @param price the value for item_info.price
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    public void setPrice(BigDecimal price) {
+        this.price = price;
+    }
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method returns the value of the database column item_info.description
+     *
+     * @return the value of item_info.description
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    public String getDescription() {
+        return description;
+    }
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method sets the value of the database column item_info.description
+     *
+     * @param description the value for item_info.description
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    public void setDescription(String description) {
+        this.description = description == null ? null : description.trim();
+    }
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method returns the value of the database column item_info.sales
+     *
+     * @return the value of item_info.sales
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    public Integer getSales() {
+        return sales;
+    }
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method sets the value of the database column item_info.sales
+     *
+     * @param sales the value for item_info.sales
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    public void setSales(Integer sales) {
+        this.sales = sales;
+    }
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method returns the value of the database column item_info.img_url
+     *
+     * @return the value of item_info.img_url
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    public String getImgUrl() {
+        return imgUrl;
+    }
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method sets the value of the database column item_info.img_url
+     *
+     * @param imgUrl the value for item_info.img_url
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    public void setImgUrl(String imgUrl) {
+        this.imgUrl = imgUrl == null ? null : imgUrl.trim();
+    }
+}

src/main/java/com/cxyxiaomo/flashsale/dataobject/ItemStockDO.java

@@ -0,0 +1,102 @@
+package com.cxyxiaomo.flashsale.dataobject;
+
+public class ItemStockDO {
+    /**
+     *
+     * This field was generated by MyBatis Generator.
+     * This field corresponds to the database column item_stock.id
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    private Integer id;
+
+    /**
+     *
+     * This field was generated by MyBatis Generator.
+     * This field corresponds to the database column item_stock.stock
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    private Integer stock;
+
+    /**
+     *
+     * This field was generated by MyBatis Generator.
+     * This field corresponds to the database column item_stock.item_id
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    private Integer itemId;
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method returns the value of the database column item_stock.id
+     *
+     * @return the value of item_stock.id
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    public Integer getId() {
+        return id;
+    }
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method sets the value of the database column item_stock.id
+     *
+     * @param id the value for item_stock.id
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method returns the value of the database column item_stock.stock
+     *
+     * @return the value of item_stock.stock
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    public Integer getStock() {
+        return stock;
+    }
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method sets the value of the database column item_stock.stock
+     *
+     * @param stock the value for item_stock.stock
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    public void setStock(Integer stock) {
+        this.stock = stock;
+    }
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method returns the value of the database column item_stock.item_id
+     *
+     * @return the value of item_stock.item_id
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    public Integer getItemId() {
+        return itemId;
+    }
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method sets the value of the database column item_stock.item_id
+     *
+     * @param itemId the value for item_stock.item_id
+     *
+     * @mbg.generated Thu Mar 03 13:12:13 CST 2022
+     */
+    public void setItemId(Integer itemId) {
+        this.itemId = itemId;
+    }
+}

src/main/java/com/cxyxiaomo/flashsale/service/ItemService.java

@@ -0,0 +1,17 @@
+package com.cxyxiaomo.flashsale.service;
+
+import com.cxyxiaomo.flashsale.error.BusinessException;
+import com.cxyxiaomo.flashsale.service.model.ItemModel;
+
+import java.util.List;
+
+public interface ItemService {
+    // 创建商品
+    ItemModel createItem(ItemModel itemModel) throws BusinessException;
+
+    // 商品列表浏览
+    List<ItemModel> listItem();
+
+    // 商品详情浏览
+    ItemModel getItemById(Integer id);
+}

src/main/java/com/cxyxiaomo/flashsale/service/impl/ItemServiceImpl.java

@@ -0,0 +1,113 @@
+package com.cxyxiaomo.flashsale.service.impl;
+
+import com.cxyxiaomo.flashsale.dao.ItemDOMapper;
+import com.cxyxiaomo.flashsale.dao.ItemStockDOMapper;
+import com.cxyxiaomo.flashsale.dataobject.ItemDO;
+import com.cxyxiaomo.flashsale.dataobject.ItemStockDO;
+import com.cxyxiaomo.flashsale.error.BusinessException;
+import com.cxyxiaomo.flashsale.error.EmBusinessError;
+import com.cxyxiaomo.flashsale.service.ItemService;
+import com.cxyxiaomo.flashsale.service.model.ItemModel;
+import com.cxyxiaomo.flashsale.validator.ValidationResult;
+import com.cxyxiaomo.flashsale.validator.ValidatorImpl;
+import org.springframework.beans.BeanUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Service
+public class ItemServiceImpl implements ItemService {
+
+    @Autowired
+    private ValidatorImpl validator;
+
+    @Autowired
+    private ItemDOMapper itemDOMapper;
+
+    @Autowired
+    private ItemStockDOMapper itemStockDOMapper;
+
+    @Override
+    @Transactional
+    public ItemModel createItem(ItemModel itemModel) throws BusinessException {
+        // 校验入参
+        ValidationResult result = validator.validate(itemModel);
+
+        if (result.isHasErrors()) {
+            throw new BusinessException(EmBusinessError.PARAMETER_VALIDATION_ERROR, result.getErrMsg());
+        }
+
+        // 转化 ItemModel -> Data Object
+        ItemDO itemDO = this.convertItemDOFromItemModel(itemModel);
+
+        // 写入数据库
+        itemDOMapper.insertSelective(itemDO);
+        itemModel.setId(itemDO.getId());
+
+        ItemStockDO itemStockDO = this.convertItemStockDOFormItemStockModel(itemModel);
+
+        itemStockDOMapper.insertSelective(itemStockDO);
+
+        // 返回创建完成的对象
+        return this.getItemById(itemModel.getId());
+    }
+
+    private ItemDO convertItemDOFromItemModel(ItemModel itemModel) {
+        if (itemModel == null) {
+            return null;
+        }
+        ItemDO itemDO = new ItemDO();
+        BeanUtils.copyProperties(itemModel, itemDO);
+
+        return itemDO;
+    }
+
+    private ItemStockDO convertItemStockDOFormItemStockModel(ItemModel itemModel) {
+        if (itemModel == null) {
+            return null;
+        }
+        ItemStockDO itemStockDO = new ItemStockDO();
+        itemStockDO.setItemId(itemModel.getId());
+        itemStockDO.setStock(itemModel.getStock());
+
+        return itemStockDO;
+    }
+
+    @Override
+    public List<ItemModel> listItem() {
+        List<ItemDO> itemDOList = itemDOMapper.listItem();
+
+        List<ItemModel> itemModelList = itemDOList.stream().map(itemDO -> {
+            ItemStockDO itemStockDO = itemStockDOMapper.selectByItemId(itemDO.getId());
+            ItemModel itemModel = this.convertModelFromDataObject(itemDO, itemStockDO);
+            return itemModel;
+        }).collect(Collectors.toList());
+
+        return itemModelList;
+    }
+
+    @Override
+    public ItemModel getItemById(Integer id) {
+        ItemDO itemDO = itemDOMapper.selectByPrimaryKey(id);
+        if (itemDO == null) {
+            return null;
+        }
+        // 操作获得库存数量
+        ItemStockDO itemStockDO = itemStockDOMapper.selectByItemId(itemDO.getId());
+
+        // 将Data Object -> Model
+        ItemModel itemModel = convertModelFromDataObject(itemDO, itemStockDO);
+        return itemModel;
+    }
+
+    private ItemModel convertModelFromDataObject(ItemDO itemDO, ItemStockDO itemStockDO) {
+        ItemModel itemModel = new ItemModel();
+        BeanUtils.copyProperties(itemDO, itemModel);
+        itemModel.setStock(itemStockDO.getStock());
+
+        return itemModel;
+    }
+}

src/main/java/com/cxyxiaomo/flashsale/service/model/ItemModel.java

@@ -0,0 +1,91 @@
+package com.cxyxiaomo.flashsale.service.model;
+
+import javax.validation.constraints.Min;
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.NotNull;
+import java.math.BigDecimal;
+
+public class ItemModel {
+    // 商品价格
+    private Integer id;
+
+    // 商品名称
+    @NotBlank(message = "商品名称不能为空")
+    private String title;
+
+    // 商品价格
+    @NotNull(message = "商品价格不能为空")
+    @Min(value = 0, message = "商品价格必须大于0")
+    private BigDecimal price;
+
+    // 商品的库存
+    @NotNull(message = "库存不能不填")
+    private Integer stock;
+
+    // 商品的描述
+    @NotBlank(message = "商品描述信息不能为空")
+    private String description;
+
+    // 商品的销量
+    private Integer sales;
+
+    // 商品描述图片的URL
+    @NotBlank(message = "商品描述图片不能为空")
+    private String imgUrl;
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public BigDecimal getPrice() {
+        return price;
+    }
+
+    public void setPrice(BigDecimal price) {
+        this.price = price;
+    }
+
+    public Integer getStock() {
+        return stock;
+    }
+
+    public void setStock(Integer stock) {
+        this.stock = stock;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public Integer getSales() {
+        return sales;
+    }
+
+    public void setSales(Integer sales) {
+        this.sales = sales;
+    }
+
+    public String getImgUrl() {
+        return imgUrl;
+    }
+
+    public void setImgUrl(String imgUrl) {
+        this.imgUrl = imgUrl;
+    }
+}

src/main/resources/mapping/ItemDOMapper.xml

@@ -0,0 +1,152 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.cxyxiaomo.flashsale.dao.ItemDOMapper">
+  <resultMap id="BaseResultMap" type="com.cxyxiaomo.flashsale.dataobject.ItemDO">
+    <!--
+      WARNING - @mbg.generated
+      This element is automatically generated by MyBatis Generator, do not modify.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
+    -->
+    <id column="id" jdbcType="INTEGER" property="id" />
+    <result column="title" jdbcType="VARCHAR" property="title" />
+    <result column="price" jdbcType="DECIMAL" property="price" />
+    <result column="description" jdbcType="VARCHAR" property="description" />
+    <result column="sales" jdbcType="INTEGER" property="sales" />
+    <result column="img_url" jdbcType="VARCHAR" property="imgUrl" />
+  </resultMap>
+  <sql id="Base_Column_List">
+    <!--
+      WARNING - @mbg.generated
+      This element is automatically generated by MyBatis Generator, do not modify.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
+    -->
+    id, title, price, description, sales, img_url
+  </sql>
+  <select id="selectByPrimaryKey" parameterType="java.lang.Integer" resultMap="BaseResultMap">
+    <!--
+      WARNING - @mbg.generated
+      This element is automatically generated by MyBatis Generator, do not modify.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
+    -->
+    select 
+    <include refid="Base_Column_List" />
+    from item_info
+    where id = #{id,jdbcType=INTEGER}
+  </select>
+  <delete id="deleteByPrimaryKey" parameterType="java.lang.Integer">
+    <!--
+      WARNING - @mbg.generated
+      This element is automatically generated by MyBatis Generator, do not modify.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
+    -->
+    delete from item_info
+    where id = #{id,jdbcType=INTEGER}
+  </delete>
+  <insert id="insert" parameterType="com.cxyxiaomo.flashsale.dataobject.ItemDO" useGeneratedKeys="true" keyProperty="id">
+    <!--
+      WARNING - @mbg.generated
+      This element is automatically generated by MyBatis Generator, do not modify.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
+    -->
+    insert into item_info (id, title, price, 
+      description, sales, img_url
+      )
+    values (#{id,jdbcType=INTEGER}, #{title,jdbcType=VARCHAR}, #{price,jdbcType=DECIMAL}, 
+      #{description,jdbcType=VARCHAR}, #{sales,jdbcType=INTEGER}, #{imgUrl,jdbcType=VARCHAR}
+      )
+  </insert>
+  <insert id="insertSelective" parameterType="com.cxyxiaomo.flashsale.dataobject.ItemDO" useGeneratedKeys="true" keyProperty="id">
+    <!--
+      WARNING - @mbg.generated
+      This element is automatically generated by MyBatis Generator, do not modify.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
+    -->
+    insert into item_info
+    <trim prefix="(" suffix=")" suffixOverrides=",">
+      <if test="id != null">
+        id,
+      </if>
+      <if test="title != null">
+        title,
+      </if>
+      <if test="price != null">
+        price,
+      </if>
+      <if test="description != null">
+        description,
+      </if>
+      <if test="sales != null">
+        sales,
+      </if>
+      <if test="imgUrl != null">
+        img_url,
+      </if>
+    </trim>
+    <trim prefix="values (" suffix=")" suffixOverrides=",">
+      <if test="id != null">
+        #{id,jdbcType=INTEGER},
+      </if>
+      <if test="title != null">
+        #{title,jdbcType=VARCHAR},
+      </if>
+      <if test="price != null">
+        #{price,jdbcType=DECIMAL},
+      </if>
+      <if test="description != null">
+        #{description,jdbcType=VARCHAR},
+      </if>
+      <if test="sales != null">
+        #{sales,jdbcType=INTEGER},
+      </if>
+      <if test="imgUrl != null">
+        #{imgUrl,jdbcType=VARCHAR},
+      </if>
+    </trim>
+  </insert>
+  <update id="updateByPrimaryKeySelective" parameterType="com.cxyxiaomo.flashsale.dataobject.ItemDO">
+    <!--
+      WARNING - @mbg.generated
+      This element is automatically generated by MyBatis Generator, do not modify.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
+    -->
+    update item_info
+    <set>
+      <if test="title != null">
+        title = #{title,jdbcType=VARCHAR},
+      </if>
+      <if test="price != null">
+        price = #{price,jdbcType=DECIMAL},
+      </if>
+      <if test="description != null">
+        description = #{description,jdbcType=VARCHAR},
+      </if>
+      <if test="sales != null">
+        sales = #{sales,jdbcType=INTEGER},
+      </if>
+      <if test="imgUrl != null">
+        img_url = #{imgUrl,jdbcType=VARCHAR},
+      </if>
+    </set>
+    where id = #{id,jdbcType=INTEGER}
+  </update>
+  <update id="updateByPrimaryKey" parameterType="com.cxyxiaomo.flashsale.dataobject.ItemDO">
+    <!--
+      WARNING - @mbg.generated
+      This element is automatically generated by MyBatis Generator, do not modify.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
+    -->
+    update item_info
+    set title = #{title,jdbcType=VARCHAR},
+      price = #{price,jdbcType=DECIMAL},
+      description = #{description,jdbcType=VARCHAR},
+      sales = #{sales,jdbcType=INTEGER},
+      img_url = #{imgUrl,jdbcType=VARCHAR}
+    where id = #{id,jdbcType=INTEGER}
+  </update>
+  <select id="listItem" resultMap="BaseResultMap">
+    select
+    <include refid="Base_Column_List" />
+    from item_info
+    order by sales DESC
+  </select>
+</mapper>

src/main/resources/mapping/ItemStockDOMapper.xml

@@ -0,0 +1,117 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.cxyxiaomo.flashsale.dao.ItemStockDOMapper">
+  <resultMap id="BaseResultMap" type="com.cxyxiaomo.flashsale.dataobject.ItemStockDO">
+    <!--
+      WARNING - @mbg.generated
+      This element is automatically generated by MyBatis Generator, do not modify.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
+    -->
+    <id column="id" jdbcType="INTEGER" property="id" />
+    <result column="stock" jdbcType="INTEGER" property="stock" />
+    <result column="item_id" jdbcType="INTEGER" property="itemId" />
+  </resultMap>
+  <sql id="Base_Column_List">
+    <!--
+      WARNING - @mbg.generated
+      This element is automatically generated by MyBatis Generator, do not modify.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
+    -->
+    id, stock, item_id
+  </sql>
+  <select id="selectByPrimaryKey" parameterType="java.lang.Integer" resultMap="BaseResultMap">
+    <!--
+      WARNING - @mbg.generated
+      This element is automatically generated by MyBatis Generator, do not modify.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
+    -->
+    select 
+    <include refid="Base_Column_List" />
+    from item_stock
+    where id = #{id,jdbcType=INTEGER}
+  </select>
+  <delete id="deleteByPrimaryKey" parameterType="java.lang.Integer">
+    <!--
+      WARNING - @mbg.generated
+      This element is automatically generated by MyBatis Generator, do not modify.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
+    -->
+    delete from item_stock
+    where id = #{id,jdbcType=INTEGER}
+  </delete>
+  <insert id="insert" parameterType="com.cxyxiaomo.flashsale.dataobject.ItemStockDO" useGeneratedKeys="true" keyProperty="id">
+    <!--
+      WARNING - @mbg.generated
+      This element is automatically generated by MyBatis Generator, do not modify.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
+    -->
+    insert into item_stock (id, stock, item_id
+      )
+    values (#{id,jdbcType=INTEGER}, #{stock,jdbcType=INTEGER}, #{itemId,jdbcType=INTEGER}
+      )
+  </insert>
+  <insert id="insertSelective" parameterType="com.cxyxiaomo.flashsale.dataobject.ItemStockDO" useGeneratedKeys="true" keyProperty="id">
+    <!--
+      WARNING - @mbg.generated
+      This element is automatically generated by MyBatis Generator, do not modify.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
+    -->
+    insert into item_stock
+    <trim prefix="(" suffix=")" suffixOverrides=",">
+      <if test="id != null">
+        id,
+      </if>
+      <if test="stock != null">
+        stock,
+      </if>
+      <if test="itemId != null">
+        item_id,
+      </if>
+    </trim>
+    <trim prefix="values (" suffix=")" suffixOverrides=",">
+      <if test="id != null">
+        #{id,jdbcType=INTEGER},
+      </if>
+      <if test="stock != null">
+        #{stock,jdbcType=INTEGER},
+      </if>
+      <if test="itemId != null">
+        #{itemId,jdbcType=INTEGER},
+      </if>
+    </trim>
+  </insert>
+  <update id="updateByPrimaryKeySelective" parameterType="com.cxyxiaomo.flashsale.dataobject.ItemStockDO">
+    <!--
+      WARNING - @mbg.generated
+      This element is automatically generated by MyBatis Generator, do not modify.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
+    -->
+    update item_stock
+    <set>
+      <if test="stock != null">
+        stock = #{stock,jdbcType=INTEGER},
+      </if>
+      <if test="itemId != null">
+        item_id = #{itemId,jdbcType=INTEGER},
+      </if>
+    </set>
+    where id = #{id,jdbcType=INTEGER}
+  </update>
+  <update id="updateByPrimaryKey" parameterType="com.cxyxiaomo.flashsale.dataobject.ItemStockDO">
+    <!--
+      WARNING - @mbg.generated
+      This element is automatically generated by MyBatis Generator, do not modify.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
+    -->
+    update item_stock
+    set stock = #{stock,jdbcType=INTEGER},
+      item_id = #{itemId,jdbcType=INTEGER}
+    where id = #{id,jdbcType=INTEGER}
+  </update>
+  <select id="selectByItemId" parameterType="java.lang.Integer" resultMap="BaseResultMap">
+    select
+    <include refid="Base_Column_List" />
+    from item_stock
+    where item_id = #{itemId,jdbcType=INTEGER}
+  </select>
+</mapper>

src/main/resources/mapping/UserDOMapper.xml

@@ -5,7 +5,7 @@
     <!--
       WARNING - @mbg.generated
       This element is automatically generated by MyBatis Generator, do not modify.
-      This element was generated on Tue Mar 01 14:58:29 CST 2022.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
     -->
     <id column="id" jdbcType="INTEGER" property="id" />
     <result column="name" jdbcType="VARCHAR" property="name" />
@@ -19,21 +19,15 @@
     <!--
       WARNING - @mbg.generated
       This element is automatically generated by MyBatis Generator, do not modify.
-      This element was generated on Tue Mar 01 14:58:29 CST 2022.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
     -->
     id, name, gender, age, telephone, register_mode, third_party_id
   </sql>
-  <select id="selectByTelephone" resultMap="BaseResultMap">
-    select
-    <include refid="Base_Column_List" />
-    from user_info
-    where telephone = #{telephone,jdbcType=VARCHAR}
-  </select>
   <select id="selectByPrimaryKey" parameterType="java.lang.Integer" resultMap="BaseResultMap">
     <!--
       WARNING - @mbg.generated
       This element is automatically generated by MyBatis Generator, do not modify.
-      This element was generated on Tue Mar 01 14:58:29 CST 2022.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
     -->
     select 
     <include refid="Base_Column_List" />
@@ -44,16 +38,16 @@
     <!--
       WARNING - @mbg.generated
       This element is automatically generated by MyBatis Generator, do not modify.
-      This element was generated on Tue Mar 01 14:58:29 CST 2022.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
     -->
     delete from user_info
     where id = #{id,jdbcType=INTEGER}
   </delete>
-  <insert id="insert" parameterType="com.cxyxiaomo.flashsale.dataobject.UserDO">
+  <insert id="insert" parameterType="com.cxyxiaomo.flashsale.dataobject.UserDO" keyProperty="id" useGeneratedKeys="true">
     <!--
       WARNING - @mbg.generated
       This element is automatically generated by MyBatis Generator, do not modify.
-      This element was generated on Tue Mar 01 14:58:29 CST 2022.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
     -->
     insert into user_info (id, name, gender, 
       age, telephone, register_mode, 
@@ -66,7 +60,7 @@
     <!--
       WARNING - @mbg.generated
       This element is automatically generated by MyBatis Generator, do not modify.
-      This element was generated on Tue Mar 01 14:58:29 CST 2022.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
     -->
     insert into user_info
     <trim prefix="(" suffix=")" suffixOverrides=",">
@@ -120,7 +114,7 @@
     <!--
       WARNING - @mbg.generated
       This element is automatically generated by MyBatis Generator, do not modify.
-      This element was generated on Tue Mar 01 14:58:29 CST 2022.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
     -->
     update user_info
     <set>
@@ -149,7 +143,7 @@
     <!--
       WARNING - @mbg.generated
       This element is automatically generated by MyBatis Generator, do not modify.
-      This element was generated on Tue Mar 01 14:58:29 CST 2022.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
     -->
     update user_info
     set name = #{name,jdbcType=VARCHAR},
@@ -160,4 +154,10 @@
       third_party_id = #{thirdPartyId,jdbcType=VARCHAR}
     where id = #{id,jdbcType=INTEGER}
   </update>
+  <select id="selectByTelephone" resultMap="BaseResultMap">
+    select
+    <include refid="Base_Column_List" />
+    from user_info
+    where telephone = #{telephone,jdbcType=VARCHAR}
+  </select>
 </mapper>

src/main/resources/mapping/UserPasswordDOMapper.xml

@@ -5,7 +5,7 @@
     <!--
       WARNING - @mbg.generated
       This element is automatically generated by MyBatis Generator, do not modify.
-      This element was generated on Tue Mar 01 14:58:29 CST 2022.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
     -->
     <id column="id" jdbcType="INTEGER" property="id" />
     <result column="encrypt_password" jdbcType="VARCHAR" property="encryptPassword" />
@@ -15,7 +15,7 @@
     <!--
       WARNING - @mbg.generated
       This element is automatically generated by MyBatis Generator, do not modify.
-      This element was generated on Tue Mar 01 14:58:29 CST 2022.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
     -->
     id, encrypt_password, user_id
   </sql>
@@ -23,44 +23,38 @@
     <!--
       WARNING - @mbg.generated
       This element is automatically generated by MyBatis Generator, do not modify.
-      This element was generated on Tue Mar 01 14:58:29 CST 2022.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
     -->
     select 
     <include refid="Base_Column_List" />
     from user_password
     where id = #{id,jdbcType=INTEGER}
   </select>
-  <select id="selectByUserId" parameterType="java.lang.Integer" resultMap="BaseResultMap">
-    select
-    <include refid="Base_Column_List" />
-    from user_password
-    where user_id = #{userId,jdbcType=INTEGER}
-  </select>
   <delete id="deleteByPrimaryKey" parameterType="java.lang.Integer">
     <!--
       WARNING - @mbg.generated
       This element is automatically generated by MyBatis Generator, do not modify.
-      This element was generated on Tue Mar 01 14:58:29 CST 2022.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
     -->
     delete from user_password
     where id = #{id,jdbcType=INTEGER}
   </delete>
-  <insert id="insert" parameterType="com.cxyxiaomo.flashsale.dataobject.UserPasswordDO">
+  <insert id="insert" parameterType="com.cxyxiaomo.flashsale.dataobject.UserPasswordDO" keyProperty="id" useGeneratedKeys="true">
     <!--
       WARNING - @mbg.generated
       This element is automatically generated by MyBatis Generator, do not modify.
-      This element was generated on Tue Mar 01 14:58:29 CST 2022.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
     -->
     insert into user_password (id, encrypt_password, user_id
       )
     values (#{id,jdbcType=INTEGER}, #{encryptPassword,jdbcType=VARCHAR}, #{userId,jdbcType=INTEGER}
       )
   </insert>
-  <insert id="insertSelective" parameterType="com.cxyxiaomo.flashsale.dataobject.UserPasswordDO">
+  <insert id="insertSelective" parameterType="com.cxyxiaomo.flashsale.dataobject.UserPasswordDO" keyProperty="id" useGeneratedKeys="true">
     <!--
       WARNING - @mbg.generated
       This element is automatically generated by MyBatis Generator, do not modify.
-      This element was generated on Tue Mar 01 14:58:29 CST 2022.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
     -->
     insert into user_password
     <trim prefix="(" suffix=")" suffixOverrides=",">
@@ -90,7 +84,7 @@
     <!--
       WARNING - @mbg.generated
       This element is automatically generated by MyBatis Generator, do not modify.
-      This element was generated on Tue Mar 01 14:58:29 CST 2022.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
     -->
     update user_password
     <set>
@@ -107,11 +101,17 @@
     <!--
       WARNING - @mbg.generated
       This element is automatically generated by MyBatis Generator, do not modify.
-      This element was generated on Tue Mar 01 14:58:29 CST 2022.
+      This element was generated on Thu Mar 03 13:12:13 CST 2022.
     -->
     update user_password
     set encrypt_password = #{encryptPassword,jdbcType=VARCHAR},
       user_id = #{userId,jdbcType=INTEGER}
     where id = #{id,jdbcType=INTEGER}
   </update>
+  <select id="selectByUserId" parameterType="java.lang.Integer" resultMap="BaseResultMap">
+    select
+    <include refid="Base_Column_List" />
+    from user_password
+    where user_id = #{userId,jdbcType=INTEGER}
+  </select>
 </mapper>

src/main/resources/mybatis-generator.xml

@@ -33,20 +33,26 @@
             <property name="enableSubPackages" value="true"/>
         </javaClientGenerator>
 
-        <!-- 生成对应表及其类名 -->
-        <table tableName="user_info" domainObjectName="userDO" enableCountByExample="false"
-               enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false"
-               selectByExampleQueryId="false">
         <!--去除复杂操作语句-->
         <!--enableCountByExample="false"-->
         <!--enableUpdateByExample="false" -->
         <!--enableDeleteByExample="false" -->
         <!--enableSelectByExample="false"-->
         <!--selectByExampleQueryId="false"-->
-        </table>
+
-        <table tableName="user_password" domainObjectName="userPasswordDO" enableCountByExample="false"
+        <!-- 生成对应表及其类名 -->
-               enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false"
+        <!--<table tableName="user_info" domainObjectName="UserDO" enableCountByExample="false"-->
-               selectByExampleQueryId="false"></table>
+        <!--       enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false"-->
+        <!--       selectByExampleQueryId="false"></table>-->
+        <!--<table tableName="user_password" domainObjectName="UserPasswordDO" enableCountByExample="false"-->
+        <!--       enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false"-->
+        <!--       selectByExampleQueryId="false"></table>-->
+        <!--<table tableName="item_info" domainObjectName="ItemDO" enableCountByExample="false"-->
+        <!--       enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false"-->
+        <!--       selectByExampleQueryId="false"></table>-->
+        <!--<table tableName="item_stock" domainObjectName="ItemStockDO" enableCountByExample="false"-->
+        <!--       enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false"-->
+        <!--       selectByExampleQueryId="false"></table>-->
 
     </context>
 </generatorConfiguration>