easyui增删改查

easyui的crud（dialog，datagrid、form讲解）
1、datagrid布局
2、dialog布局
3、form布局
4、通用的JsonBaseDao增删改方法
5、dao层
6、web层
7、功能完善

导入jar包

MVC_Book_dao

package com.hmc.dao;

import java.util.List;
import java.util.Map;

import com.hmc.util.JsonBaseDao;
import com.hmc.util.JsonUtils;
import com.hmc.util.PageBean;
import com.hmc.util.StringUtils;

public class MVC_Book_dao extends JsonBaseDao{

	/**
	 * 查询分页
	 * @param paMap
	 * @param pageBean
	 * @return
	 * @throws Exception
	 */
	 public  List<Map<String, Object>> list(Map<String, String[]> paMap,PageBean pageBean) throws Exception{
		//String sql="SELECT * FROM t_book";
		 String sql="SELECT * FROM t_mvc_book where true ";
		  String bname=JsonUtils.getParamVal(paMap, "bname");
		  System.out.println(bname);
		//  String bid=JsonUtils.getParamVal(paMap, "bid");
		  if(StringUtils.isNotBlank(bname)) {
			  sql+=" and bname like '%"+bname+"%'";
		  }
//		  if(bid!=null) {
//			  sql+=" and bid="+bid;
//		  }
		return super.executeQuery(sql, pageBean);

	  }
	 /**
	  * 修改
	  * @param paMap
	  * @param pageBean
	  * @return
	  * @throws NoSuchFieldException
	  * @throws Exception
	  */
	 public   int upde(Map<String, String[]> paMap,PageBean pageBean) throws NoSuchFieldException, Exception {
		  String sql="update t_mvc_book set bname=?,price=? where bid=?";
		return super.executeUpdate(sql, new String[] {"bname","price","bid"}, paMap);
	  }

	 /**
	  * 新增
	  * @param paMap
	  * @param pageBean
	  * @return
	  * @throws NoSuchFieldException
	  * @throws Exception
	  */
	 public  int add(Map<String, String[]> paMap,PageBean pageBean) throws NoSuchFieldException, Exception {
		 String sql="insert into  t_mvc_book values(?,?,?)";
		return super.executeUpdate(sql, new String[] {"bid","bname","price"}, paMap);
	  }

	 /**
	  * 删除
	  * @param paMap
	  * @param pageBean
	  * @return
	  * @throws NoSuchFieldException
	  * @throws Exception
	  */
	 public  int dele(Map<String, String[]> paMap,PageBean pageBean) throws NoSuchFieldException, Exception {
		  String sql="delete from t_mvc_book  where bid=?";
		return super.executeUpdate(sql, new String[] {"bid"}, paMap);
	  }

}

　　MVC_Book_Action

package com.hmc.action;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.hmc.dao.MVC_Book_dao;
import com.hmc.dao.ModuleDao;
import com.hmc.util.PageBean;
import com.zking.framework.ActionSupport;

public class MVC_Book_Action extends ActionSupport{

    private  MVC_Book_dao book_dao=new MVC_Book_dao();

	private ObjectMapper mapper=new ObjectMapper();

	/**
	 * 书籍查询所有加分页
	 * @param request
	 * @param response
	 * @return
	 * @throws Exception
	 */
	public  String list(HttpServletRequest request,HttpServletResponse response) throws Exception {

		PageBean pageBean=new PageBean();
		pageBean.setRequest(request);
		List<Map<String, Object>> list = this.book_dao.list(request.getParameterMap(), pageBean);

		Map<String, Object> map=new HashMap<>();
         map.put("total", pageBean.getTotal());
         map.put("rows", list);
		 mapper.writeValue(response.getOutputStream(),map);
		 return null;

	    }
	/**
	 * 新增书籍
	 * @param request
	 * @param response
	 * @return
	 * @throws Exception
	 */
	public  String add(HttpServletRequest request,HttpServletResponse response) throws Exception {
		 this.book_dao.add(request.getParameterMap(), null);
		 Map<String, Object> map=new HashMap<>();
		 map.put("success", true);
         map.put("message", "新增书籍成功");
         mapper.writeValue(response.getOutputStream(),map);
         return null;

	    }  

	/**
	 * 修改书籍
	 * @param request
	 * @param response
	 * @return
	 * @throws Exception
	 */
	public  String upde(HttpServletRequest request,HttpServletResponse response) throws Exception {
         int add = this.book_dao.upde(request.getParameterMap(), null);
         Map<String, Object> map=new HashMap<>();
         map.put("success", true);
         map.put("message", "修改书籍成功");
         mapper.writeValue(response.getOutputStream(),map);
         return null;

	    }
	/**
	 * 删除书籍
	 * @param request
	 * @param response
	 * @return
	 * @throws Exception
	 */
	public  String dele(HttpServletRequest request,HttpServletResponse response) throws Exception {
         int add = this.book_dao.dele(request.getParameterMap(), null);
         Map<String, Object> map=new HashMap<>();
         map.put("success", true);
         map.put("message", "删除书籍成功");
         mapper.writeValue(response.getOutputStream(),map);
         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.hmc.web.MenuAction">
	</action>
	<action path="/userAction" type="com.hmc.web.UserAction">
		<forward name="index" path="/index.jsp" redirect="false" />
	    <forward name="login" path="/login.jsp" redirect="false" />

	</action>

	<action path="/moduleAction" type="com.hmc.action.ModuleAction">
	</action>

	<action path="/bookAction" type="com.hmc.action.MVC_Book_Action">
	   <forward name="a" path="/index.jsp" redirect="false" />
	</action>
</config>

　　index.jsp

<%@page import="com.fasterxml.jackson.annotation.JsonInclude.Include"%>
<%@ 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>
<%@include file="head.jsp" %>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>EasyUI</title>
<script type="text/javascript" src="static/js/index.js"></script>
</head>
<body class="easyui-layout">
    <div data-options="region:'north',split:true" style="height:60px; overflow-y: hidden;">
    <h3 style="font-size: 20px;">网上书店后台管理系统</h3>
    </div>  

    <div data-options="region:'south',split:true" style="height:40px;">
    </div>   

   <!--  <div data-options="region:'east',iconCls:'icon-reload',title:'East',split:true" style="width:100px;"></div>    -->
    <div data-options="region:'west',title:'导航菜单',split:true," style="width: 200px;">

    <div id="menu" class="easyui-accordion" data-options="fit:true,border:false">
    </div>
    </div>
    <div data-options="region:'center'" style="padding:5px;background:#eee;">
     <div id="tabs" class="easyui-tabs"  data-options="fit:true,border:false">
    <div title="首页" style="padding:20px;display:none;">
            首页
        </div>
      </div>
    </div>
</body>  

</html>

　　index.js

var rootPath;
$(function(){
	rootPath=$('#absolutePath').val();
	createAccordion();
	createTree();
});
//1.绑定分类组件Accordion
function createAccordion(){
	$.ajax({
		url:rootPath+'moduleAction.action',
		data:{'pid':'-1','methodName':'queryModulelst'},
		dataType:'json',
		type:'post',
		success:function(data){

			for(var i=0;i<data.length;i++){
				var item=data[i];
				$('#menu').accordion('add',{
					title:item.text,
					content:'<ul id="'+item.id+'" alt="'+item.text+'" class="easyui-tree">',
					selected:false

				});
			}

		}

	})
}
//2选择分类组件Accordion时加载子模块
function createTree(){
	$("#menu").accordion({
		onSelect:function(title,index){
		var pid=$('ul[alt='+title+']').attr('id');

		//判断Tree是否有节点
		var nodes=$('ul[alt='+title+']').tree('getRoots');
		if(nodes.length>0){
			return;
		}

		$('ul[alt='+title+']').tree({
			url:rootPath+'moduleAction.action?pid='+pid+'&&methodName=queryModulelst',
	        //加载同时把子节点绑定上去
			onSelect:function(node){
				createTabs(node.text,node.url);
	        }
		});
		}

	});
}
//3.点击子模块,动态加载tabs选项卡，并打开url路径的页面
function createTabs(title,url){
	var isExists=$('#tabs').tabs('exists',title);
	if(isExists){
		$('#tabs').tabs('select',title);
	}
	else{
	var iframe="<iframe frameborder='0' src='"+url+"' scrolling='auto' style='width:100%;height:100%;'></iframe>";
	$('#tabs').tabs('add',{
	    title:title,
	    content:iframe,
	   // href:rootPath+'jsp/'+url,
	     closable:true,    

	});
	}

}

　　bookList.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>
<%@include file="../head.jsp" %>
<script type="text/javascript" src="static/js/bookList.js"></script>
<title>书本管理 </title>
</head>
<body class="easyui-layout">
    <div data-options="region:'north',split:true,border:false" style="height:70px;line-height:60px;padding-left: 10px;">
    <label>书本名称</label>
    <input class="easyui-textbox" style="width:200px" id="bookname">
    <a id="btn_search" href="javascript:void(0);" class="easyui-linkbutton" data-options="iconCls:'icon-search'">查询</a>
    </div>   

    <!-- 数据 -->
    <div data-options="region:'center',border:false" style="background:#eee;">
    <table id="tb" class="easyui-datagrid">    </table>
    </div>

    <div id="toolbar">
    <a href="javascript:void(0);" onclick="add()" class="easyui-linkbutton" data-options="iconCls:'icon-add',plain:true">新增</a>
    <a href="javascript:void(0);" onclick="edit()" class="easyui-linkbutton" data-options="iconCls:'icon-edit',plain:true">修改</a>
    <a href="javascript:void(0);" onclick="del()" class="easyui-linkbutton" data-options="iconCls:'icon-remove',plain:true">删除</a>

    </div>
       <!--对话框 -->
       <div id="dd"></div>
       <!--对话框保存和关闭按钮  -->
       <div id="dlg-buttons">
	<a href="javascript:void(0);" class="easyui-linkbutton" iconCls="icon-save" onclick="dialogSave();">保存</a>
	<a href="javascript:void(0);" class="easyui-linkbutton" iconCls="icon-cancel" onclick="dialogClose();">关闭</a>
       </div>
</body>
</html>

　　bookList.js

var rootPath;
$(function(){
	rootPath=$('#absolutePath').val();
	initDataGrid();
	query();
	$('#btn_search').click(function(){
		query();
	});
})

//1初始化DateGrid
function initDataGrid(){
	$("#tb").datagrid({
		  url : '', 		// 初始化请求路径
		  fitColumns:true,
	      singleSelect : true, 	// 是否选中单行
	      checkOnSelect : true, 	// 点击行选中时该checkbox选中或取消选中
	      rownumbers:true,	        // 行号
	      fit : true, 		// 高宽自适应
	      border : false, 	        // 是否显示边框
	      title : '书本列表', 	// datagrid标题
	      striped : true, 	        // 显示斑马线效果
	      pagination:true,	// 是否分页
	      pageNumber:1,	    // 初始化页码
	      pageSize:10,		// 初始化每页显示条数
	      columns:[[
	    	  {field:'',checkbox:true},
	          {field:'bid',title:'书本编号',width:100,align:'center'},
	          {field:'bname',title:'书本名称',width:100,align:'center'},
	          {field:'price',title:'书本作者',width:100,align:'center',
	        	  //case when行列转化
	        	  formatter:function(value,row,index){
	        		  return "￥"+value
	        	  },
	              styler:function(value,row,index){
	        	  if(value>50){
	        		  return 'background-color:#ffee00;color:red'
	        	  }

	          }
	          },

	          ]],
	    //给行加事件
	      onDblClickRow:function(index,row){
	    	  $.messager.alert('提示',JSON.stringify(row));
	      },
          toolbar:'#toolbar'

	});
}

//2.点击查询将数据绑定到DateGrid
function query(){
	//获取datagrid的属性对象
	var options=$('#tb').datagrid('options');
	//设置请求路径
	options.url=rootPath+"bookAction.action";
	//获取请求参数
	var params={
			'methodName':'list',
			'bname':$('#bookname').val()
	};

  //刷新
   $('#tb').datagrid('load',params);

}

//3.实现DateGrid分页效果

//4.设置DateGrid的toolbar属性，实现增删改
//Dialog,Messager,form,LinkedButton,TextBox,ComboBox
function add(){
	$('#dd').dialog({
		width : 400,
		height : 292,
		modal : true,
		draggable : true,
		collapsible : false,
		minimizable : false,
		maximizable : false,
		title : '新增书本信息',
		buttons:"#dlg-buttons",
		href:'jsp/bookDetail.jsp',
		onLoad:function(){
			$('#ff').form('reset');
		}
	})
}
//修改
function edit(){
	//判断datagrid行是否被选中
	var row=$('#tb').datagrid('getSelected');
	if(null==row){
		 $.messager.alert('警告','请选中行');
		 return false;
	}
	$('#dd').dialog({
		width : 400,
		height : 292,
		modal : true,
		draggable : true,
		collapsible : false,
		minimizable : false,
		maximizable : false,
		title : '修改书本信息',
		buttons:"#dlg-buttons",
		href:'jsp/bookDetail.jsp',
		//绑值
		onLoad:function(){
			$('#ff').form('load',row);
		}

	})
}

function del(){
	var row=$('#tb').datagrid('getSelected');
	if(null==row){
		 $.messager.alert('警告','请选中行');
		 return false;
	}
	$.messager.confirm('确认','您确认想要删除记录吗？',function(r){
	    if (r){
	       $.ajax({
	    	   url:rootPath+'bookAction.action',
	    	   data:{'methodName':'dele','bid':row.bid},
	    	   dataType:'json',
	    	   type:'post',
	    	   success:function(data){
	    		   if(data.success){
	    			   $.messager.alert('消息',data.message);
	    			   query();
	    		   }
	    	   }

	       })
	    }
	});  

}
//新增或修改
function dialogSave(){
	var options=$('#dd').dialog('options');
	var url="bookAction.action?methodName=add"
	if(options.title=="修改书本信息"){
		url="bookAction.action?methodName=upde"
	}
	//表单提交
	$('#ff').form('submit',{
	    url:rootPath+url,
	    onSubmit: function(){
	    	//表单验证
	        return $(this).form("validate");
	    },
	    success:function(data){
	     var result=JSON.parse(data);
	     if(!result.success){
	    	 $.messager.alert('警告',result.message);
	    	 return false;
	     }
	    	 dialogClose();
	    	 query();
	    }
	});    

}
//关闭按钮
function   dialogClose(){
	$('#dd').dialog('close');
}

　　bookDetail,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>
<%@ include file="../head.jsp" %>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<form id="ff" method="post">
<div style="height: 50px;line-height: 45px;padding-left: 20px;">
<label>书本编号：</label>
<input name="bid" class="easyui-textbox" style="width:200px" required="true">
</div>

<div style="height: 50px;line-height: 45px;padding-left: 20px;">
<label>书本名称：</label>
<input name="bname" class="easyui-textbox" style="width:200px" required="true">
</div>

<div style="height: 50px;line-height: 45px;padding-left: 20px;">
<label>书本价格：</label>
<input name="price" class="easyui-textbox" style="width:200px" required="true">
</div>
<div style="height: 50px;line-height: 45px;padding-left: 20px;">
<label>书本类型：</label>
<select  class="easyui-combobox" name="booktype" style="width:200px;">
    <option value="">--请选择--</option>
    <option>神话</option>
    <option>历时</option>
    <option>玄幻</option>
    <option>爱情</option>
</select>
</div>
</form>
</body>
</html>

　　head.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>

<base href="${pageContext.request.contextPath}/">
<!--页面缓存  -->
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<link rel="stylesheet" type="text/css" href="static/js/public/easyui5/themes/default/easyui.css">
<link rel="stylesheet" type="text/css" href="static/js/public/easyui5/themes/icon.css">
<script type="text/javascript" src="static/js/public/easyui5/jquery.min.js"></script>
<script type="text/javascript" src="static/js/public/easyui5/jquery.easyui.min.js"></script>
<input type="hidden" id="absolutePath" value="${pageContext.request.contextPath}/">

　　效果

新增

删除

修改

修改价格为3300