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商品模型-商品创建实现

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程序员小墨 2022-03-03 15:31:44 +08:00
parent 65a5688804
commit 14f999e598
9 changed files with 399 additions and 4 deletions
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10
Others/sql/flashsale.sql
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@ -11,7 +11,7 @@
Target Server Version : 50726
File Encoding : 65001
Date: 03/03/2022 13:13:05
Date: 03/03/2022 15:29:13
*/
SET NAMES utf8mb4;
@ -26,14 +26,15 @@ CREATE TABLE `item_info` (
`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,
`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 = 1 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_unicode_ci ROW_FORMAT = Dynamic;
) ENGINE = InnoDB AUTO_INCREMENT = 2 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');
-- ----------------------------
-- Table structure for item_stock
@ -46,11 +47,12 @@ CREATE TABLE `item_stock` (
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 = 1 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_unicode_ci ROW_FORMAT = Dynamic;
) ENGINE = InnoDB AUTO_INCREMENT = 2 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_unicode_ci ROW_FORMAT = Dynamic;
-- ----------------------------
-- Records of item_stock
-- ----------------------------
INSERT INTO `item_stock` VALUES (1, 140, 1);
-- ----------------------------
-- Table structure for user_info

119
frontend/createitem.html Normal file
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@ -0,0 +1,119 @@
<!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>
<a href="getotp.html?quickDebug">获取验证码</a>
</div>
</div>
<script>
jQuery(document).ready(function () {
$("#create").on("click", function () {
var title = $("#title").val();
var description = $("#description").val();
var imgUrl = $("#imgUrl").val();
var price = $("#price").val();
var stock = $("#stock").val();
if (title == null || title == "") {
alert("商品名不能为空");
return false; // 捕获onclick事件，不让他传递到上一层
}
if (description == null || description == "") {
alert("商品描述不能为空");
return false; // 捕获onclick事件，不让他传递到上一层
}
if (imgUrl == null || imgUrl == "") {
alert("图片Url不能为空");
return false; // 捕获onclick事件，不让他传递到上一层
}
if (price == null || price == "") {
alert("价格不能为空");
return false; // 捕获onclick事件，不让他传递到上一层
}
if (stock == null || stock == "") {
alert("库存不能为空");
return false; // 捕获onclick事件，不让他传递到上一层
}
$.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>

53
src/main/java/com/cxyxiaomo/flashsale/controller/ItemController.java Normal file
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@ -0,0 +1,53 @@
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;
@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);
}
private ItemVO convertVOFromModel(ItemModel itemModel) {
if (itemModel == null) {
return null;
}
ItemVO itemVO = new ItemVO();
BeanUtils.copyProperties(itemModel, itemVO);
return itemVO;
}
}

82
src/main/java/com/cxyxiaomo/flashsale/controller/viewobject/ItemVO.java Normal file
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@ -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;
}
}

2
src/main/java/com/cxyxiaomo/flashsale/dao/ItemStockDOMapper.java
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@ -35,6 +35,8 @@ public interface ItemStockDOMapper {
*/
ItemStockDO selectByPrimaryKey(Integer id);
ItemStockDO selectByItemId(Integer id);
/**
* This method was generated by MyBatis Generator.
* This method corresponds to the database table item_stock

17
src/main/java/com/cxyxiaomo/flashsale/service/ItemService.java Normal file
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@ -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);
}

105
src/main/java/com/cxyxiaomo/flashsale/service/impl/ItemServiceImpl.java Normal file
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@ -0,0 +1,105 @@
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.math.BigDecimal;
import java.util.List;
@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() {
return null;
}
@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;
}
}

9
src/main/java/com/cxyxiaomo/flashsale/service/model/ItemModel.java
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@ -1,5 +1,8 @@
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 {
@ -7,21 +10,27 @@ public class ItemModel {
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() {

6
src/main/resources/mapping/ItemStockDOMapper.xml
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@ -108,4 +108,10 @@
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>