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<%@ page import="javabean.JDBCBean" %>
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<%@ page import="java.sql.ResultSet" %>
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<!DOCTYPE html>
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<!-- 设置页面语言和编码 -->
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<html lang="en" pageEncoding="UTF-8">
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<head>
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<meta charset="UTF-8">
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<title>bookedit</title>
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<!-- layui样式 -->
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<link rel="stylesheet" href="../public/layui/css/layui.css">
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<style>
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.layui-form{
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margin: 10px 20px;
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}
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</style>
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</head>
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<body>
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<%
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//创建数据库操作对象
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JDBCBean db = new JDBCBean();
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// 获取请求参数中的id值，并转换为整数类型
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int id = Integer.parseInt(request.getParameter("id"));
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ResultSet resultSet = null;
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ResultSet librarySet = null;
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ResultSet bookSortSet = null;
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// SQL查询语句，根据id查询书籍信息
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String sql = "select * from books where id=" + id;
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// 执行查询操作
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resultSet = db.executeQuery(sql);
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// 移动到结果集的第一行数据
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resultSet.next();
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// 获取书籍的各项属性值
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String name = resultSet.getString("name");
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String author = resultSet.getString("author");
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int library_id = resultSet.getInt("library_id");
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int sort_id = resultSet.getInt("sort_id");
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String position = resultSet.getString("position");
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int status = resultSet.getInt("status");
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String description = resultSet.getString("description");
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// 关闭数据库连接
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db.close();
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// 获取图书馆列表
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JDBCBean db2 = new JDBCBean();
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String librarySql = "select * from library";
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librarySet = db2.executeQuery(librarySql);
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// 获取书籍分类列表
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JDBCBean db3 = new JDBCBean();
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String bookSortSql = "select * from book_sort";
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bookSortSet = db3.executeQuery(bookSortSql);
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%>
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<!-- 表单开始 -->
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<form class="layui-form layui-form-pane " action="">
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<!-- 隐藏id -->
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<input type="id" name="id" value=<%=id %> class="layui-hide">
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<!-- 书名 -->
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<div class="layui-form-item">
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<label class="layui-form-label">书名</label>
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<div class="layui-input-block">
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<input type="text" name="name" value=<%=name %> required lay-verify="required" placeholder="请输入书名" autocomplete="off" class="layui-input">
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</div>
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</div>
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<!-- 作者 -->
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<div class="layui-form-item">
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<label class="layui-form-label">作者</label>
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<div class="layui-input-block">
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<input type="text" name="author" value=<%=author %> required lay-verify="required" placeholder="请输入作者" autocomplete="off" class="layui-input">
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</div>
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</div>
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<!-- 图书馆 -->
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<div class="layui-form-item">
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<label class="layui-form-label">图书馆</label>
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<div class="layui-input-block">
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<select name="library_id" lay-verify="required">
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<option value=""></option>
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<% while(librarySet.next()){ %>
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<!-- 选中原来的图书馆 -->
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<option value=<%=librarySet.getString("id") %> <%if(Integer.parseInt(librarySet.getString("id")) == library_id){ out.print("selected"); } %>><%=librarySet.getString("name") %></option>
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<%} %>
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</select>
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</div>
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</div>
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<!-- 分类 -->
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<div class="layui-form-item">
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<label class="layui-form-label">分类</label>
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<div class="layui-input-block">
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<select name="sort_id" lay-verify="required">
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<option value=""></option>
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<% while(bookSortSet.next()){ %>
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<!-- 选中原来的分类 -->
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<option value=<%=bookSortSet.getInt("id") %> <% if(bookSortSet.getInt("id") == sort_id) out.print("selected"); %>><%=bookSortSet.getString("name") %></option>
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<%} %>
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</select>
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</div>
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</div>
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<!-- 位置 -->
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<div class="layui-form-item">
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<label class="layui-form-label">位置</label>
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<div class="layui-input-block">
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<input type="text" name="position" value=<%=position %> required lay-verify="required" placeholder="请输入位置编号" autocomplete="off" class="layui-input">
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</div>
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</div>
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<!-- 状态 -->
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<div class="layui-form-item">
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<label class="layui-form-label">状态</label>
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<div class="layui-input-block">
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<input type="radio" name="status" value="1" title="可借" <%if(status==1) out.print("checked"); %>>
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<input type="radio" name="status" value="0" title="不可借" <%if(status==0) out.print("checked"); %> >
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</div>
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</div>
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<!-- 书籍简介 -->
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<div class="layui-form-item layui-form-text">
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<label class="layui-form-label">书籍简介</label>
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<div class="layui-input-block">
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<textarea class="layui-textarea" name="description" id="LAY_demo_editor"><%=description %></textarea>
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</div>
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</div>
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<div class="layui-form-item">
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<div class="layui-input-block">
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<button class="layui-btn" lay-submit lay-filter="formDemo">立即提交</button>
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<button type="reset" class="layui-btn layui-btn-primary">重置</button>
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</div>
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</div>
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</form>
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<!-- layui脚本 -->
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layui.use(['form', 'jquery', 'layedit'], function(){
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var $ = layui.jquery, form = layui.form, layer = layui.layer, layedit = layui.layedit;
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var editIndex = layedit.build('LAY_demo_editor'); //建立编辑器
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// 自定义验证规则
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form.verify({
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content: function(value){ //解决异步传输问题
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return layedit.sync(editIndex);
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}
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})
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//监听提交
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form.on('submit(formDemo)', function(data){
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$.ajax({
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url: './bookEdit', //请求地址
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method: 'post', //请求方式
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data: data.field, //JSON.stringify(data.field), //请求数据
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dataType: 'json', //返回数据类型
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success: function(data){ //成功回调函数
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if(data.code == "0"){ //判断修改是否成功
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parent.layer.msg("修改成功", {icon: 6, time: 500}); //提示消息
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setTimeout(function(){ //延时跳转页面
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var index = parent.layer.getFrameIndex(window.name); //操作父页面
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parent.layer.close(index); //关闭当前页面
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}, 500);
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}else{ //失败提示
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layer.msg("修改失败"); //提示消息
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}
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}
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})
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return false; //阻止表单跳转。如果需要表单跳转，去掉这段即可。
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});
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});
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<%
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// 关闭资源
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bookSortSet.close(); //关闭书籍分类结果集
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librarySet.close(); //关闭图书馆结果集
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resultSet.close(); //关闭书籍信息结果集
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db.close(); //关闭数据库连接
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%>
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</body>
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</html>
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