easyui-datagrid个人实例

这个实例数据表格的功能，可以实现分页，增删改查功能

1.user.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
%>
<!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" type="text/css"
href="<%=path%>/easyui/themes/default/easyui.css">
<link rel="stylesheet" type="text/css"
href="<%=path%>/easyui/themes/icon.css">
<link rel="stylesheet" type="text/css" href="<%=path%>/easyui/demo.css">
<script type="text/javascript" src="<%=path%>/easyui/jquery-1.7.2.min.js"></script>
<script type="text/javascript"
src="<%=path%>/easyui/jquery.easyui.min.js"></script>
<script type="text/javascript">
$(function() {
var flag ;//判断新增还是修改

$('#tab').datagrid({
title : '用户列表',
iconCls : 'icon-edit',//图标
//width : '400px',
height : 'auto',
nowrap : false,//当true的时候，会显示在一行里
striped : true,//各行变色
border : true,
collapsible : false,//是否可折叠的
fit : true,//自动大小
url : '/egoTest/user/queryUser.do',
//sortName: 'code',
//sortOrder: 'desc',
remoteSort : false,
loadMsg:'数据正在加载，请等待......',
idField : 'id',
singleSelect : true,//是否单选
pagination : true,//分页控件
rownumbers : true,//行号
checkOnSelect : true,
selectOnCheck : true,
// remoteSort : false,
// sortName:'userName',
// sortOrder:'asc',
rowStyler:function(index,record){
console.info(index);
console.info(record);
/*if(record.age > 5000){
return "background:red";
}*/
},
frozenColumns:
[[
//你把 ck 换成 QID 试试
{ field: 'QID', checkbox: true }
]],
columns : [ [ {
field : 'id',
title : 'id',
width : '30%'
}, {
field : 'userName',
title : 'userName',
width : '30%',
sortable:true
}, {
field : 'age',
title : 'age',
width : '30%',
align : 'right',
sortable:true
} ] ],
toolbar : [ {
text : '添加',
iconCls : 'icon-add',
handler : function() {
flag = 'add';
$("#my_dialog").dialog({
title:"新增用户"
})
$("#form_user").get(0).reset();
$("#my_dialog").dialog('open');
}
}, '-', {
text : '修改',
iconCls : 'icon-edit',
handler : function() {
flag = 'edit';
var arr = $("#tab").datagrid("getSelections");
if(arr.length != 1){
$.messager.show({
title:'提示信息',
msg:'只能选择一行记录进行修改'
});
}else{
$("#my_dialog").dialog({
title:"修改用户"
})
$("#my_dialog").dialog('open');
$("#form_user").get(0).reset();
$("#form_user").form('load',{
id :arr[0].id ,
userName : arr[0].userName ,
age : arr[0].age
});

}
}
}, '-', {
text : '删除',
iconCls : 'icon-remove',
handler : function() {
var arr = $("#tab").datagrid("getSelections");
if(arr.length <= 0){
$.messager.show({
title:'提示信息',
msg:'只能选择一行记录进行删除!'
});
}else{
$.messager.confirm("提示信息","确认删除吗",function(r){
if(r){
var ids = '';
for(var i =0;i<arr.length;i++){
ids += arr[i].id + ",";
}
ids = ids.substring(0,ids.length-1);
$.post('/egoTest/user/deleteUser.do',{ids:ids},function(result){
$("#tab").datagrid("reload");
$("#tab").datagrid('unselectAll'); //清空idFiled
$.messager.show({
title:'提示信息',
msg:'操作成功!'
});
});
}else{
return;
}
})
}
}
} , '-', {
text : '查询',
iconCls : 'icon-search',
handler : function() {
$("#lay").layout('expand','north');
}
}],
});

//设置分页控件
var p = $('#tab').datagrid('getPager');
$(p).pagination({
pageSize : 10,//每页显示的记录条数，默认为10
pageList : [ 5, 10, 15, 20, 50 ],//可以设置每页记录条数的列表
beforePageText : '第',//页数文本框前显示的汉字
afterPageText : '页共 {pages} 页',
displayMsg : '当前显示 {from} - {to} 条记录共 {total} 条记录',
onBeforeRefresh : function() {
$(this).pagination('loading');
// alert('before refresh');
$(this).pagination('loaded');
$('#tab').datagrid('reload');
}
});

$("#btn1").click(function(){
if($('#form_user').form('validate')){
$.ajax({
type : 'POST',
url : flag == 'add'?'/egoTest/user/saveUser.do':'/egoTest/user/updateUser.do',
data: $('#form_user').serialize(),
dataType : 'json',
success : function(data) {
//关闭窗口
$("#my_dialog").dialog('close');
//刷新datagrid
$("#tab").datagrid('reload');
//提示信息
$.messager.show({
title: data.status,
msg: data.message
});
},
error : function(data) {
$.messager.show({
title: '提示信息',
msg:'错误返回'
})
}
});
}else{
$.messager.show({
title : '提示信息',
msg:'数据验证不通过，不能保存！'
})
}
});

$("#btn2").click(function(){
$("#my_dialog").dialog('close');
});

$("#searchbtn").click(function(){
$("#tab").datagrid('load',serializeForm($("#mysearch")));
});

$("#clearbtn").click(function(){
$("#mysearch").form('clear');
$("#tab").datagrid('load',{});
});

function serializeForm(form){
var obj = {};
$.each(form.serializeArray(),function(index){
if(obj[this['name']]){
obj[this['name']] = obj[this['name']] + ',' +this['value'];
}else{
obj[this['name']] = this['value'];
}
});
return obj;
}

});
</script>
<style type="text/css">
body {
font-family:verdana,helvetica,arial,sans-serif;
padding:5px;
font-size:12px;
margin:0;
}
</style>
</head>
<body>

</html>

2.UserController.java

package com.controller;

import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

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

import net.sf.json.JSONObject;

import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;

import com.model.User;
import com.service.UserService;
import com.util.Page;

@Controller
@RequestMapping("/user")
public class UserController {
@Resource
private UserService userService;

@RequestMapping("/getAllUser")
public String getAllUser(HttpServletRequest request,
HttpServletResponse response, ModelMap modelMap, Page page) {
List<String> list = new ArrayList<String>();
list.add("cxx1");
list.add("cxx2");
list.add("cxx3");

List<User> uList = userService.getAllUser(page);
modelMap.put("uList", uList);
modelMap.put("list", list);
return "index2";

}

@RequestMapping("/getAjaxUser")
public void getAjaxUser(HttpServletRequest request,
HttpServletResponse response, ModelMap modelMap, Page page) {
try {
response.setContentType("text/html;charset=UTF-8");
List<User> uList = userService.getAllUser(page);
Map<String, Object> map = new HashMap<String, Object>();
// map.put( "total",total);
map.put("total", 57);
map.put("rows", uList);

JSONObject json = JSONObject.fromObject(map);
// String str = "aabbcc";
PrintWriter pw = response.getWriter();
pw.write(json.toString());
pw.flush();
pw.close();
} catch (Exception e) {
e.printStackTrace();
}
}

@RequestMapping("/getAjaxUser2")
public void getAjaxUser2(HttpServletRequest request,
HttpServletResponse response, ModelMap modelMap, Page page) {
try {
response.setContentType("text/html;charset=UTF-8");
List<User> uList = userService.getAllUser(page);
Map<String, Object> map = new HashMap<String, Object>();
// map.put( "total",total);
map.put("total", Integer.valueOf(page.getTotal()));
map.put("rows", uList);

@RequestMapping("/queryUser")
public void queryUser(HttpServletRequest request,
HttpServletResponse response, ModelMap modelMap, Page page) {
try {
String currentPage = request.getParameter("page");
String pageSize = request.getParameter("rows");

String userName = request.getParameter("userName")==null?"":request.getParameter("userName");
String age = request.getParameter("age")==null?"":request.getParameter("age");
Map<String,Object> queryMap = new HashMap<String,Object>();
queryMap.put("userName",userName);
queryMap.put("age",age);

page.setCurrentPage(Integer.parseInt(currentPage));
page.setPageSize(Integer.parseInt(pageSize));
response.setContentType("text/html;charset=UTF-8");
// Thread.sleep(500);
List<User> uList = userService.queryUser(page,queryMap);
Map<String, Object> map = new HashMap<String, Object>();
// map.put( "total",total);
map.put("total", Integer.valueOf(page.getTotal()));
map.put("rows", uList);

@RequestMapping("/saveUser")
public void saveUser(HttpServletRequest request,
HttpServletResponse response,User u) {

try{

response.setContentType("text/html;charset=UTF-8");
PrintWriter pw = response.getWriter();
String id = request.getParameter("id");
String userName = request.getParameter("userName");
String age = request.getParameter("age");
u.setId(Integer.parseInt(id));
u.setUserName(userName);
u.setAge(Integer.parseInt(age));
userService.saveUser(u);

String result = "{"status":"ok","message":"操作成功"}";
pw.write(result);
pw.flush();
pw.close();
}catch (Exception e) {
e.printStackTrace();
}
}

@RequestMapping("/updateUser")
public void updateUser(HttpServletRequest request,
HttpServletResponse response,User u){
try{
String id = request.getParameter("id");
String userName = request.getParameter("userName");
String age = request.getParameter("age");
u = userService.findUserById(id);

u.setId(Integer.parseInt(id));
u.setUserName(userName);
u.setAge(Integer.parseInt(age));
userService.updateUser(u);

response.setContentType("text/html;charset=UTF-8");
response.setCharacterEncoding("UTF-8");
PrintWriter pw = response.getWriter();
String result = "{"status":"ok","message":"操作成功"}";
pw.write(result);
pw.flush();
pw.close();
}catch (Exception e) {
e.printStackTrace();
}
}

@RequestMapping("/deleteUser")
public void deleteUser(HttpServletRequest request,
HttpServletResponse response,User u){
String[] ids = request.getParameter("ids").split(",");
for(int i=0;i<ids.length;i++){
userService.deleteUser(ids[i]);
}
}

}