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  • LayUI----增删改查加二星权限

    LayUI简介

          layui,是一款采用自身模块规范编写的前端 UI 框架,遵循原生 HTML/CSS/JS 的书写与组织形式,门槛极低,拿来即用。其外在极简,却又不失饱满的内在,体积轻盈,组件丰盈,从核心代码到 API 的每一处细节都经过精心雕琢,非常适合界面的快速开发

    元素:

    layui的元素由以下组成:

    布局(栅格、后台布局)、颜色、字体图标、动画、按钮、表单、导航条、面包屑、选项卡、进度条、面板、静态表格、徽章、时间线、辅助元素等。

    模块:

    layui 提供了丰富的内置模块,他们皆可通过模块化的方式按需加载,其中包括:layer、layDate、layPage、laytpl、table、form、upload、element、tree、layeditor、rate、carousel、flow、util、code等。


    首先来写一个简单的二星权限(不同的用户查看到对应不同的权限)

     登录界面:

    <%@ page language="java" contentType="text/html; charset=UTF-8"
        pageEncoding="UTF-8"%>
    <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>Insert title here</title>
     
     <link rel="stylesheet" href="${pageContext.request.contextPath }/static/js/layui/css/layui.css" media="all">
     
     
     
    </head>
    <body>
    <form action="${pageContext.request.contextPath }/userAction.action?methodName=login" method="post" style="margin-left: 36%;margin-top: 150px">
            <div class="layui-form-item">
                <label class="layui-form-label">账号:</label>
                <div class="layui-input-inline">
                    <input type="text" name="uid" class="layui-input" lay-verify="account" placeholder="账号" autocomplete="on" maxlength="20"/>
                </div>
            </div>
            <div class="layui-form-item">
                <label class="layui-form-label">密码:</label>
                <div class="layui-input-inline">
                    <input type="password" name="user_pwd" class="layui-input" lay-verify="password" placeholder="密码" maxlength="20"/>
                  
                </div>
            </div>
             
                <div class="layui-form-item" style="margin-left: 140px">
               
                <input type="submit" class="layui-btn btn-submit"  lay-filter="sub"  value="登录">
                
            </div>
     
     
    </form>
     
    </body>
    </html>

    UserDao

    package com.psy.dao;
     
    import java.util.List;
    import java.util.Map;
     
    import org.w3c.dom.ls.LSInput;
     
    import com.psy.util.JsonBaseDao;
    import com.psy.util.JsonUtils;
    import com.psy.util.PageBean;
    import com.psy.util.StringUtils;
     
    public class UserDao extends JsonBaseDao {
        /**
         * 登录
         *
         * @param map
         * @param pageBean
         * @return
         * @throws Exception
         */
        public List<Map<String, Object>> list(Map<String, String[]> map, PageBean pageBean) throws Exception {
     
            String sql = "SELECT * FROM t_user WHERE TRUE";
            String uid = JsonUtils.getParamVal(map, "uid");
            String upwd = JsonUtils.getParamVal(map, "user_pwd");
            if (StringUtils.isNotBlank(uid)) {
                sql = sql + " and uid=" + uid;
            }
            if (StringUtils.isNotBlank(upwd)) {
                sql = sql + " and upwd=" + upwd;
            }
     
            return super.executeQuery(sql, pageBean);
        }
     
        /**
         * 查看用户权限
         *
         * @param uid
         * @param pageBean
         * @return
         * @throws Exception
         */
        public List<Map<String, Object>> listMenu(String uid, PageBean pageBean) throws Exception {
     
            String sql = "SELECT    *   FROM t_usermenu WHERE TRUE ";
     
            if (StringUtils.isNotBlank(uid)) {
                sql = sql + " AND uid='" + uid + "'";
            }
     
            return super.executeQuery(sql, null);
        }
    }

    UserAction

    package com.psy.web;
     
    import java.util.ArrayList;
    import java.util.HashMap;
    import java.util.List;
    import java.util.Map;
     
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
     
    import com.psy.dao.UserDao;
    import com.psy.util.PageBean;
    import com.psy.util.ResponseUtil;
    import com.fasterxml.jackson.databind.ObjectMapper;
    import com.zking.framework.ActionSupport;
     
    public class UserAction extends ActionSupport {
     
        private UserDao userDao = new UserDao();
     
        /**
         * 树形菜单查询
         *
         * @param request
         * @param response
         * @return
         * @throws Exception
         */
        public String login(HttpServletRequest request, HttpServletResponse response) throws Exception {
             
            List<Map<String, Object>> list = this.userDao.list(request.getParameterMap(), null);
             
            //.get(0).get"uid
            if (list != null && list.size() > 0) {
                List<Map<String, Object>> listMenu = this.userDao.listMenu(request.getParameter("uid"), null);
                 
                StringBuilder sb = new StringBuilder();
                for (Map<String, Object> map : listMenu) {
                    sb.append("," + map.get("Menuid"));
                }
                request.setAttribute("menuHid", sb.substring(1));
     
            } else {
                return "login";
            }
            return "index";
        }
    }

    index.jsp

    <%@ page language="java" contentType="text/html; charset=UTF-8"
        pageEncoding="UTF-8"%>
    <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>Insert title here</title>
     <link rel="stylesheet" href="${pageContext.request.contextPath }/static/js/layui/css/layui.css" media="all">
      
     <link rel="stylesheet" href="${pageContext.request.contextPath }/static/js/layui/css/index.css" >
        
        <script src="${pageContext.request.contextPath }/static/js/layui/layui.js"></script>
        
        <script type="text/javascript" src="${pageContext.request.contextPath }/static/js/jquery-3.3.1.js"></script>
         
    </head>
     
    <body >
    <input type="hidden" id="menuHid" value="${menuHid }">
    <div class="layui-layout layui-layout-admin " id="app">
        <div class="layui-header">
            <div class="layui-logo">后台管理界面</div>
            <!-- 头部区域(可配合layui已有的水平导航) -->
            <ul class="layui-nav layui-layout-right">
     
                <li class="layui-nav-item"><a href="#" onclick="exit()">退出登录</a></li>
            </ul>
        </div>
     
        <!-- 左边tree页面 -->
        <div class="layui-side layui-bg-black">
            <div class="layui-side-scroll ">
                <div id="demo" ></div>
            </div>
        </div>
        <!-- 选项卡要显示的地方 -->
        <div class="layui-body" >
            <div class="layui-tab" lay-filter="tabs" lay-allowClose="true" >
                <ul class="layui-tab-title">
                </ul>
                <div class="layui-tab-content">
                </div>
            </div>
        </div>
        <div class="layui-footer" align="center" >
            <!-- 底部固定区域 -->
            © layui.com - 底部固定区域
        </div>
     
    </div>
     
    <script type="text/javascript" src="${pageContext.request.contextPath }/static/js/layui/layui.all.js"></script>
     
     
    <script type="text/javascript" src="${pageContext.request.contextPath }/static/js/index.js"></script>
    </body>
    </html>

    index.js

    $(function () {
        console.info($("#menuHid").val());
        $.ajax({
            type: "post",
            url: "menuAction.action?methodName=treeMenu&&menuHid="+$("#menuHid").val(),
            dataType: "json",
            /*data: {// 传给servlet的数据,
                role_id: MenuHid,
                right_code: "-1",
                d: new Date()
            },*/
            success: function (data) {
             
                console.info(data);
                layui.tree({
                    elem: '#demo',// 传入元素选择器
                    nodes: data,
    //              spread:true,
                    click: function (node) {// 点击tree菜单项的时候
                        var element = layui.element;
                        var exist = $("li[lay-id='" + node.id + "']").length;
                      //判断是不是用重复的选项卡
                        if (exist > 0) {
                            element.tabChange('tabs', node.id);// 切换到已有的选项卡
                        } else {
                            if (node.attributes.MenuURL != null && node.attributes.MenuURL != "") {// 判断是否需要新增选项卡
                                element.tabAdd(
                                    'tabs',
                                    {
                                        title: node.name,
                                        content: '<iframe   scrolling="yes" frameborder="0" src=" '
                                        + node.attributes.MenuURL
                                        + ' " width="100%" height="100%"></iframe>'// 支持传入html
                                        ,
                                        // width="99%" height="99%"
                                        id: node.id
                                    });
                                element.tabChange('tabs', node.id);
                            }
                        }
     
                    }
     
                });
     
            }
     
        });
    })

    Menudao (查询用户权限 并将数据转换成layui所识别的格式)

    package com.psy.dao;
     
    import java.sql.SQLException;
    import java.util.ArrayList;
    import java.util.HashMap;
    import java.util.List;
    import java.util.Map;
     
    import com.psy.entity.TreeNode;
    import com.psy.util.JsonBaseDao;
    import com.psy.util.JsonUtils;
    import com.psy.util.PageBean;
    import com.psy.util.StringUtils;
     
    public class MenuDao extends JsonBaseDao {
     
        private static final Map<String, String[]> TreeNode = null;
     
        /**
         *
         * @param map
         *            request.getParameterMap
         * @param pageBean
         *            分页
         * @return
         * @throws SQLException
         * @throws IllegalAccessException
         * @throws InstantiationException
         */
        public List<TreeNode> list(Map<String, String[]> map, PageBean pageBean) throws Exception {
     
            List<Map<String, Object>> listMenu = this.listMenuSet(map, pageBean);
            List<TreeNode> treeNodeList = new ArrayList<>();
            menu2TreeNodelist(listMenu, treeNodeList);
     
            return treeNodeList;
        }
     
        public List<Map<String, Object>> listMenuSet(Map<String, String[]> map, PageBean pageBean) throws Exception {
            String sql = "select * from t_menu where true";
            String id = JsonUtils.getParamVal(map, "menuHid");
     
            if (StringUtils.isNotBlank(id)) {
                sql = sql + " and menuid in (" + id + ")";
     
            } else {
                sql = sql + " and menuid=-1";
            }
     
            return super.executeQuery(sql, pageBean);
        }
     
        /**
         * 查询menu表的数据
         *
         * @param map
         * @param pageBean
         * @return
         * @throws SQLException
         * @throws IllegalAccessException
         * @throws InstantiationException
         */
        public List<Map<String, Object>> listMenu(Map<String, String[]> map, PageBean pageBean) throws Exception {
            String sql = "select * from t_menu where true";
            String id = JsonUtils.getParamVal(map, "id");
            if (StringUtils.isNotBlank(id)) {
                sql = sql + " and parentid=" + id;
     
            } else {
                sql = sql + " and parentid=-1";
            }
     
            return super.executeQuery(sql, pageBean);
        }
     
        /**
         * menu表的数据格式不符合easyui树形展示格式 需要转换成easyui所能识别的格式
         *
         * @param map
         * @param treeNode
         * @throws SQLException
         * @throws IllegalAccessException
         * @throws InstantiationException
         */
        private void menu2TreeNode(Map<String, Object> map, TreeNode treeNode) throws Exception {
            treeNode.setId(map.get("Menuid").toString());
            treeNode.setName(map.get("Menuname").toString());
            treeNode.setAttributes(map);
            // 递归
            Map<String, String[]> jspMap = new HashMap<>();
            jspMap.put("id", new String[] { treeNode.getId() });
            List<Map<String, Object>> listMenu = this.listMenu(jspMap, null);
     
            List<TreeNode> treeNodeList = new ArrayList<>();
            // 循环将数据取出来
            menu2TreeNodelist(listMenu, treeNodeList);
            treeNode.setChildren(treeNodeList);
     
        }
     
        private void menu2TreeNodelist(List<Map<String, Object>> mapList, List<TreeNode> treeNodeList) throws Exception {
            TreeNode treeNode = null;
            for (Map<String, Object> map : mapList) {
                treeNode = new TreeNode();
                menu2TreeNode(map, treeNode);
                treeNodeList.add(treeNode);
            }
     
        }
    }

    MenuAction

    package com.psy.web;
     
    import java.util.List;
     
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
     
    import com.psy.dao.MenuDao;
    import com.psy.entity.TreeNode;
    import com.psy.util.ResponseUtil;
    import com.fasterxml.jackson.databind.ObjectMapper;
    import com.zking.framework.ActionSupport;
     
    public class MenuAction extends ActionSupport {
        private MenuDao menuDao = new MenuDao();
     
        public String treeMenu(HttpServletRequest request, HttpServletResponse response) throws Exception {
       
            List<TreeNode> list = this.menuDao.list(request.getParameterMap(), null);
            ObjectMapper om = new ObjectMapper();
            String jsonStr = om.writeValueAsString(list);
            ResponseUtil.write(response, jsonStr);
     
            return null;
        }
    }

    接下来是对数据的增删改查

    manage.jsp

    <%@ page language="java" contentType="text/html; charset=UTF-8"
        pageEncoding="UTF-8"%>
    <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>Insert title here</title>
     
    <link rel="stylesheet" href="${pageContext.request.contextPath }/static/js/layui/css/layui.css" >
    <script src="${pageContext.request.contextPath }/static/js/layui/layui.js"></script>
      <script type="text/javascript" src="${pageContext.request.contextPath }/static/js/jquery-3.3.1.js"></script>
       
     
    </head>
    <body class="child-body">
    <div class="child-nav">
        <span class="layui-breadcrumb">
             <a>书籍类别管理</a>
             <a><cite>分类列表</cite></a>
        </span>
    </div>
    <blockquote class="layui-elem-quote">
     
    <!--搜索维度  -->
     <div class="layui-form">
        <div class="layui-form-item">
            <label class="layui-form-label">书籍名称</label>
            <div class="layui-input-inline">
                <input type="text" id='uname' name="booktypename" lay-verify="required" placeholder="请输入书籍名" autocomplete="true" class="layui-input">
            </div>
            <button class="layui-btn layui-btn-normal layui-btn-radius" data-type="reload"><i class="layui-icon">�</i>查询</button>
            <button class="layui-btn layui-btn-normal"   data-type="add">新建</button>
        </div>
    </div>  
    </blockquote>
     
    <!--隐藏域传值  -->
    <input type="hidden"  id="sj" value="${pageContext.request.contextPath}" >
    <!--根据table id 来展示表格数据  -->
    <table class="layui-hide" id="test" lay-filter="test"></table>
     
    <!--行内样式按钮   -->
    <script type="text/html" id="lineBtns">
      <a class="layui-btn layui-btn-xs" lay-event="edit"><i class="layui-icon">�</i>编辑</a>
      <a class="layui-btn layui-btn-danger layui-btn-xs" lay-event="del">删除</a>
    </script>
     
     
    <!--弹出层  -->
         <div class="site-text" style="margin: 5%; display: none" id="box1"  target="test123">
            <form class="layui-form layui-form-pane" onsubmit="return false" id="booktype">
                <div class="layui-form-item">
                   <label class="layui-form-label">类型编号</label>
                    <div class="layui-input-block">
                        <input type="text" class="layui-input layui-disabled text_add "  id="book_category_id" name=book_category_id  disabled="disabled">
                    </div>
                    <br>
                    <label class="layui-form-label"> 书本类别名</label>
                    <div class="layui-input-block">
                        <input type="text" class="layui-input"  id="book_category_name"  name=book_category_name><br>
                    </div>
                </div>
            </form>
        </div>
    </body>
     
    <script type="text/javascript" src="${pageContext.request.contextPath }/static/js/manage.js"></script>
     
    </html>

    manage.js

    $(function () {
        //执行渲染
        layui.use(['table','layer','form'],function(){
            var data=document.getElementById("sj").value;
            var table =layui.table;
            var layer=layui.layer;
            var form = layui.form;
             /*展示数据表格  */
            table.render({
                 elem:'#test'//表格id
                ,url:data+'/ManageAction.action?methodName=listcartegory'//所对应调用的接口
                ,method:'post'      //提交方式
                ,cols:[[
                    /*根据数据库的表格所对应的名称  */
                     {field:'book_category_id',height:80, 300, title: '书籍类别序号', sort: true}
                     ,{field:'book_category_name', height:80,300, title: '书籍类别名称'}
                     ,{field:'right',height:80, 300, title: '操作', toolbar:'#lineBtns'}//操作栏
                ]]
                     ,page:'true'//分页
                     , id: 'testReload'
            });
             
            //上方菜单操作栏(查询、以及  增加  按钮  )
            var $ = layui.$, active = {
                    //查询
                    reload: function () {
                        var uname = $('#uname');//书籍类别名称 根据 id来取值
                        console.log(uname.val());
                        // 执行重载
                        table.reload('testReload', {
                            page: {
                                curr: 1
                                // 重新从第 1 页开始
                            },
                            where: {
                                key: 'uname',
                                uname: uname.val(),
                            }
                        });
                    }, add: function () { //添加
                        layer.open({//弹出框
                            type: 1,
                            title: '添加书本类别',
                            maxmin: true,
                            shadeClose: true, //点击遮罩关闭层
                            area: ['300px', '400px'],
                            content: $('#box1'),
                            btn: ['确定', '取消'],
                            yes: function (index, layero) {//确定执行函数
                                console.log(layero);
                                //执行添加方法
                                $.getJSON(data+"/NanageAction.action?methodName=add", {
                                    book_category_name: $("#book_category_name").val(), ///角色名
                                    /* booktypename: $("input[ name='booktypename1']").val(), *///角色名
                                }, function (data) {
                                    /*根据后台返回的参数来进行判断  */
                                    if (data==1) {
                                        layer.alert('添加成功', {icon: 1, title: '提示'}, function (i) {
                                            layer.close(i);
                                            layer.close(index);//关闭弹出层
                                            $("#booktype")[0].reset()//重置form
                                        })
                                        table.reload('testReload', {//重载表格
                                            page: {
                                                curr: 1
                                                // 重新从第 1 页开始
                                            }
                                        })
                                    } else if(data==2){
                                        layer.msg('添加失败,请勿重复添加书本类别名称')
                                    }
                                })
     
                            }, cancel: function (index, layero) {//取消
                                $("#booktype")[0].reset()//重置form  根据id
                                layer.close(index)
                            }
                        });
                    }
            }
            $('.layui-form .layui-btn').on('click', function () {
                var type = $(this).data('type');
                active[type] ? active[type].call(this) : '';
            });
             
             
             
            /*表格 行内操作(编辑  以及  删除 按钮操作)  */
                table.on('tool(test)', function(obj){
                 var data = obj.data; //获得当前行数据
                 var urlex=document.getElementById("sj").value;
                 var tr=obj.tr//活动当前行tr 的  DOM对象
                 console.log(data);
                 var layEvent = obj.event; //获得 lay-event 对应的值(也可以是表头的 event 参数对应的值)
                 if(layEvent === 'del'){ //删除
                     layer.confirm('确定删除吗?',{title:'删除'}, function(index){
                         //向服务端发送删除指令og
                         $.getJSON(urlex+'/ManageAction.action?methodName=remove',{book_category_id:data.book_category_id}, function(ret){
                                 layer.close(index);//关闭弹窗
                                 table.reload('testReload', {//重载表格
                                     page: {
                                         curr: 1
                                         // 重新从第 1 页开始
                                     }
                                 })
                         });
                         layer.close(index);
                     });
                 } else if(layEvent === 'edit'){ //编辑
                     layer.open({
                         type: 1 //Page层类型
                         ,skin: 'layui-layer-molv'
                         ,area: ['380px', '270px']
                         ,title: ['编辑书本类别信息','font-size:18px']
                         ,btn: ['确定', '取消']
                         ,shadeClose: true
                         ,shade: 0 //遮罩透明度
                         ,maxmin: true //允许全屏最小化
                         ,content:$('#box1')  //弹窗id
                         ,success:function(layero,index){
                             console.info(data.book_category_id);
                             $('#book_category_id').val(data.book_category_id);
                             $('#book_category_name').val(data.book_category_name); 
                         },yes:function(index,layero){
                            /*  $.ajaxSettings.async = false; */
     
                              $.getJSON(urlex+'/ManageAction.action?methodName=edit',{
                        
                                  book_category_name: $('#book_category_name').val(),
                                  book_category_id: data.book_category_id,
                              },function(data){
                              //根据后台返回的参数,来进行判断
                                  if(data>0){
                                      layer.alert('编辑成功',{icon:1,title:'提示'},function(i){
                                          layer.close(i);
                                          layer.close(index);//关闭弹出层
                                          $("#booktype")[0].reset()//重置form
                                      })
                                      table.reload('testReload',{//重载表格
                                          page:{
                                              curr:1
                                          }
                                      })
                                  }
                              });
                         }
                        
                      
                     });
                 }
               
                });
               
        });
     
    })

    ManageDao

    package com.psy.dao;
     
    import java.util.List;
    import java.util.Map;
     
    import org.w3c.dom.ls.LSInput;
     
    import com.psy.util.JsonBaseDao;
    import com.psy.util.JsonUtils;
    import com.psy.util.PageBean;
    import com.psy.util.StringUtils;
     
    public class ManageDao extends JsonBaseDao {
     
     
        /**
         * 查询类别表的数据
         *
         * @param map
         * @param pageBean
         * @return
         * @throws Exception
         */
        public List<Map<String, Object>> listCategory(Map<String, String[]> map, PageBean pageBean) throws Exception {
            String sql = "SELECT *FROM t_book_category WHERE TRUE";
            String uname = JsonUtils.getParamVal(map, "uname");
            if (StringUtils.isNotBlank(uname)) {
                sql = sql + " and book_category_name like '%" + uname.trim() + "%'";
            }
     
            return super.executeQuery(sql, pageBean);
        }
     
        /**
         * 编辑类别
         *
         * @param paMap
         * @return
         * @throws Exception
         */
        public int edit(Map<String, String[]> paMap) throws Exception {
            String sql = "UPDATE  t_book_category SET book_category_name=? WHERE book_category_id=?";
            return super.executeUpdate(sql, new String[] { "book_category_name", "book_category_id" }, paMap);
        }
     
        /**
         * 新增类别
         *
         * @param paMap
         * @return
         * @throws Exception
         */
        public int add(Map<String, String[]> paMap) throws Exception {
            String sql = "INSERT INTO t_book_category(book_category_name) VALUES(?)";
            return super.executeUpdate(sql, new String[] { "book_category_name" }, paMap);
        }
     
        /**
         * 删除类别
         *
         * @param paMap
         * @return
         * @throws Exception
         */
        public int remove(Map<String, String[]> paMap) throws Exception {
            String sql = "DELETE FROM t_book_category WHERE  book_category_id=?";
            return super.executeUpdate(sql, new String[] { "book_category_id" }, paMap);
        }
     
    }

    ManageAction

    /**
         * 查询类别表的数据
         * @param request
         * @param response
         * @return
         * @throws Exception
         */
        public String listcartegory(HttpServletRequest request, HttpServletResponse response) throws Exception {
     
            PageBean pageBean = new PageBean();
            pageBean.setRequest(request);
            List<Map<String, Object>> list = this.ManageDao.listCategory(request.getParameterMap(), pageBean);
            ObjectMapper om = new ObjectMapper();
            Map<String, Object> map = new HashMap<>();
            map.put("code", 0);
            map.put("count", pageBean.getTotal());
            map.put("data", list);
            ResponseUtil.write(response, om.writeValueAsString(map));
     
            return null;
        }
        /**
         * 类别编辑
         * @param request
         * @param response
         * @return
         * @throws Exception
         */
        public String edit(HttpServletRequest request, HttpServletResponse response) throws Exception {
     
            int add = this.ManageDao.edit(request.getParameterMap());
            ObjectMapper om = new ObjectMapper();
            ResponseUtil.write(response, om.writeValueAsString(add));
            return null;
        }
         /**
          * 类别新增
          * @param request
          * @param response
          * @return
          * @throws Exception
          */
        public String add(HttpServletRequest request, HttpServletResponse response) throws Exception {
            int add = this.ManageDao.add(request.getParameterMap());
            ObjectMapper om = new ObjectMapper();
            ResponseUtil.write(response, om.writeValueAsString(add));
            return null;
        }
       /**
        * 类别删除
        * @param request
        * @param response
        * @return
        * @throws Exception
        */
        public String remove(HttpServletRequest request, HttpServletResponse response) throws Exception {
            int remove = this.ManageDao.remove(request.getParameterMap());
            ObjectMapper om = new ObjectMapper();
            ResponseUtil.write(response, om.writeValueAsString(remove));
            return null;
        }
    

      mvc.xml

    <?xml version="1.0" encoding="UTF-8"?>
    <config>
        <!-- <action path="/regAction" type="test.RegAction">
            <forward name="failed" path="/reg.jsp" redirect="false" />
            <forward name="success" path="/login.jsp" redirect="true" />
        </action> -->
         
        <action path="/menuAction" type="com.psy.web.MenuAction">
                <forward name="index" path="/index.jsp" redirect="false" />
        </action>
        <action path="/userAction" type="com.psy.web.UserAction">
            <forward name="index" path="/index.jsp" redirect="false" />
        </action>
        <action path="/BookAction" type="com.psy.web.BookAction">
            <forward name="index" path="/index.jsp" redirect="false" />
        </action>
    <action path="/ManageAction" type="com.psy.web.ManageAction"> 

    <forward name="index" path="/index.jsp" redirect="false" />
    </action>
    <action path="/ControlActione" type="com.psy.web.ControlActione"> 
    <forward name="index" path="/index.jsp" redirect="false" />
    </action>
    </config>
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  • 原文地址:https://www.cnblogs.com/psyu/p/11166271.html
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