mirror of
https://gitee.com/bookshelfplus/bookshelfplus
synced 2025-09-24 02:20:39 +08:00
分类首页前端渲染完成
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@@ -0,0 +1,60 @@
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// 将分类按照层级关系进行处理
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function generateCategoryHierarchy(data) {
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var maxRenderLevel = 5; // 最多渲染几层
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var datas = []; // 用于保存每个层级的数组， [ [ level 1 ], [ level 2 ], ... ]
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for (let i = 0; i < maxRenderLevel; i++)
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datas.push([]);
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for (let i = 0; i < data.length; i++) {
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const cate = data[i];
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if (!cate) continue; // 分类对象为空
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if (cate.level > maxRenderLevel) continue; // 分类的层级大于最大渲染层级
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datas[cate.level - 1].push(cate);
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// 顺便为每个分类添加 children 字段
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cate.children = [];
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}
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// 从最低的层级开始渲染，因为最低层级无子分类，所以略过
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for (let i = maxRenderLevel - 1 - 1; i >= 0; i--) {
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var parentLevel = i;
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var childLevel = i + 1;
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for (let parentIndex = 0; parentIndex < datas[parentLevel].length; parentIndex++) {
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const parentCategory = datas[parentLevel][parentIndex];
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for (let childIndex = 0; childIndex < datas[childLevel].length; childIndex++) {
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const childCategory = datas[childLevel][childIndex];
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// console.log(parentCategory, childCategory);
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if (parentCategory.id === childCategory.parentId) {
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parentCategory.children.push(childCategory);
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}
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}
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}
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}
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// 对元素进行排序
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function sortChildren(categoryList) {
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function compare(property) {
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return function (a, b) {
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var value1 = a[property];
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var value2 = b[property];
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return value1 - value2;
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}
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}
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function sortCategoryList(categoryList) {
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// console.log("categoryList", categoryList);
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categoryList.sort(compare("order"));
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for (let i = 0; i < categoryList.length; i++)
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sortCategoryList(categoryList[i].children);
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// console.log(Array.isArray(categoryList));
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}
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sortCategoryList(categoryList);
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}
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sortChildren(datas[0]);
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// console.log(datas);
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// console.log(datas[0]);
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return datas[0];
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}
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@@ -2,41 +2,116 @@
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<%- include("./component/header.html"); %>
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<style>
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.main {
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width: 70vw !important;
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max-width: initial !important;
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}
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#result-table {
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width: 100%;
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/* border: 1px solid black; */
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margin-top: 30px;
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line-height: 2.3em;
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}
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tr:hover {
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background-color: #f5f5f5;
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}
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tr > th:last-child,
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tr > td:last-child {
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border-left: 2px dashed;
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}
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tr > th {
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border-bottom: 2px dotted;
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}
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tr a {
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cursor: pointer;
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/* cursor: alias; */
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}
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@media (max-width: 700px) {
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tr > th:last-child,
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tr > td:last-child {
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display: none;
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}
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}
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</style>
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</head>
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<body>
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<%- include("./component/navbar.html"); %>
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<main class="main">
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<h1><%= title %></h1>
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<div id="container">
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<!-- <a href="./book">书本详情页</a> -->
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<table id="result-table"></table>
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</div>
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</main>
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<%- include("./component/footer.html"); %>
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<!-- 渲染表格 -->
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<script src="/assets/javascripts/renderTable.js"></script>
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<script src="/assets/javascripts/generateCategoryHierarchy.js"></script>
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<script>
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getRequest("/category/list")
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.then(function (response) {
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var axiosData = response.data;
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.then(function (responseData) {
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var axiosData = responseData.data;
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var status = axiosData.status;
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var data = axiosData.data;
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if (status === "success") {
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// console.log("获取的分类信息");
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console.log(data)
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// if (data.description == "")
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// data.description = "暂无描述";
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// var topCategory = data.parentId !== 0 ? `<a href="/category?id=${data.parentId}">上级分类</a>` : "";
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// document.getElementById("container").innerHTML = `
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// <div class="grid">
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// <div class="grid-item">
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// <h1>${data.name}</h1>
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// <p>分类ID: ${data.id}</p>
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// <p>${topCategory}</p>
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// </div>
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// <div class="grid-item">
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// <h2>简介</h2>
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// <p>${data.description}</p>
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// </div>
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// </div>`;
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var renderData = [];
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// 按照列表渲染
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// data.forEach(element => {
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// var mainDivWidth = 70/*vw*/; // 定义div的宽度（用于计算表格中的数据的显示长度）
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// var columnWidth = [60, 40];
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// renderData.push({
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// 分类名: ` <a target="_blank" href="/category?id=${element.id}">
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// <span class="overflow-omit" style="max-width: ${columnWidth[0] * mainDivWidth / 100}vw; max-height: 2em; margin: 0 auto;">
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// ${element.name}
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// </span>
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// </a>`,
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// 简介: ` <span class="overflow-omit" style="max-width: ${columnWidth[1] * mainDivWidth / 100}vw; max-height: 2em; margin: 0 auto;">
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// ${element.description}
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// </span>`,
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// })
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// });
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// 按照层级关系进行渲染
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// console.log("按照层级关系排列好之后");
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hierarchyData = generateCategoryHierarchy(data);
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function render(category) {
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function renderCategory(category, renderData) {
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var mainDivWidth = 70/*vw*/; // 定义div的宽度（用于计算表格中的数据的显示长度）
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var columnWidth = [70, 30];
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renderData.push({
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分类名: ` <a target="_blank" href="/category?id=${category.id}">
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<span class="overflow-omit" style="max-width: ${columnWidth[0] * mainDivWidth / 100}vw; max-height: 2em; text-align: left;">
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${" ".repeat((category.level-1)*8)}${category.name}
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</span>
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</a>`,
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简介: ` <span class="overflow-omit" style="max-width: ${columnWidth[1] * mainDivWidth / 100}vw; max-height: 2em; text-align: left; text-indent: 1em;">
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${category.description}
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</span>`,
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})
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}
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renderCategory(category, renderData);
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// console.log("category", category)
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for (let i = 0; i < category.children.length; i++)
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render(category.children[i]);
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}
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render({ children: hierarchyData });
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renderData.shift(); // 删除数组中的第一个元素
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if(renderData.length == 0) {
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renderTable({ data: `系统中暂时还没有书籍分类`, tableId: "result-table", renderTableHead: true });
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} else {
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renderTable({ data: renderData, tableId: "result-table", renderTableHead: true });
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}
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// 渲染后重新获取一次字体
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fontmin(getPageText());
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@@ -185,6 +185,8 @@
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<select id="selectAll" resultMap="BaseResultMap">
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select
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<include refid="Base_Column_List" />
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,
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<include refid="Blob_Column_List" />
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from category_info
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</select>
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</mapper>
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