struts2 整合 jQuery-easyUI之datagrid小例子
运行结果：
jsp:
<%@ page language="java" 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>easyUi-dataGrid</title>
<link rel="stylesheet" type="text/css" href="easyUi/easyui.css">
<script type="text/javascript" src="js/jquery-1.8.0.min.js"></script>
<script type="text/javascript" src="js/jquery.easyui.min.js"></script>
<script type="text/javascript">
var xmlhttp;
function verify(){
if(window.XMLHttpRequest){
xmlhttp = new XMLHttpRequest();
if(xmlhttp.overrideMimeType){
xmlhttp.overrideMimeType("text/xml");
}
}else if(window.ActiveXObject){
var activerxName = ["MSXML2.XMLHTTP","Microsoft.XMLHTTP"];
for(var i=0;i<activerxName.length;i++){
try{
xmlhttp = new ActiveXObject(activerxName[i]);
break;
}catch(e){
}
}
}
if(!xmlhttp){
alert("XMLHttpRequest对象创建失败");
return;
}
xmlhttp.onreadystatechange = callback;
xmlhttp.open("POST","studentAction.action?page=1&rows=5","true");
xmlhttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
xmlhttp.send();
}
function callback(){
if(xmlhttp.readyState == 4){
if(xmlhttp.status == 200){
var oBook = eval('(' + xmlhttp.responseText + ')');
$.messager.alert('test jsonData',xmlhttp.responseText);
}
}
}
$(function(){
$("#tt").datagrid({
title:'DataGrid例子',
width:600,
height:400,
pageSize:5,
pageList:[5,10,15,20],
nowrap:false,
striped:true,
collapsible:true,
url:'studentAction.action',
loadMsg:'数据加载中...',
sortName:'code',
sortOrder:'desc',
remoteSort:false,
pagination :true,//可以不要下面的 注释部分 要显示中文 可以easyui-lang-zh_CN.js
frozenColumns:[[
{field:'ck',checkbox:true}
]],
columns:[[
{title:'学号',field:'id',width:'50',rowspan:2,align:'center'},
{title:'姓名',field:'name',width:'60',rowspan:2,align:'center'},
{title:'性别',field:'sex',width:'50',rowspan:2,align:'center'},
{title:'年龄',field:'age',width:'50',rowspan:2,align:'center'},
{title:'出生日期',field:'birthday',width:'120',rowspan:2,align:'center'},
{title:'班级',field:'className',width:'100',rowspan:2,align:'center'}
]],
pagination:true,
rownumbers:true
});
/* $('#tt').datagrid('getPager').pagination({
displayMsg:'当前显示从{from}到{to}共{total}记录',
onBeforeRefresh:function(pageNumber, pageSize){
$(this).pagination('loading');
//alert('pageNumber:'+pageNumber+',pageSize:'+pageSize);
$(this).pagination('loaded');
},
});
*/
})();
</script>
</head>
<body>
<a href="javascript:vodi(0)" onclick="verify()" class="easyui-linkbutton">json</a>
<h2><b>DataGrid</b></h2>
<table id="tt"></table>
<hr>
<form action="">
<input type="submit" value="提 交">
</form>
</body>
</html>说明：返回的json格式的数据格式：
{ "total": 2, "rows": [ { "userCode": "kf123456", "userName": "屌丝", "attorney": "屌丝", "addressee": "文哥哥", "userAddr": "大幅度舒服点", "tele2": "18987651525", "applyDate": "2013-06-27 09:11:38" }, { "userCode": "kf_123456", "userName": "白秋霜", "attorney": "白秋霜", "addressee": "文哥哥", "userAddr": "江湖难填恨海，剑出伤我心怀", "tele2": "18987651525", "applyDate": "2013-06-27 09:09:27" } ] }
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" version="3.0">
<display-name></display-name>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<filter>
<filter-name>struts2</filter-name>
<filter-class> org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter
</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>*.action</url-pattern>
</filter-mapping>
</web-app>strut2配置
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">; <struts> <package name="dataGrid" extends="json-default"> <action name="studentAction" class="com.yjdgis.action.StudentAction" method="execute"> <result name="success" type="json"/> </action> </package> </struts>
Action：
package com.yjdgis.action;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import org.apache.struts2.interceptor.ServletRequestAware;
import com.opensymphony.xwork2.ActionSupport;
import com.yjdgis.dao.StudentDao;
import com.yjdgis.dao.impl.StudentDaoBean;
public class StudentAction extends ActionSupport implements ServletRequestAware {
private static final long serialVersionUID = 1L;
private StudentDao studentDao;
private HttpServletRequest request;
private int total;
private List<Object> rows;
public StudentAction(){
System.out.println("Action初始化了");
}
public int getTotal() {
return total;
}
public void setTotal(int total) {
this.total = total;
}
public List<Object> getRows() {
return rows;
}
public void setRows(List<Object> rows) {
this.rows = rows;
}
@Override
public void setServletRequest(HttpServletRequest request) {
this.request = request;
}
public String execute(){
int page = Integer.parseInt(request.getParameter("page"));
int row = Integer.parseInt(request.getParameter("rows"));
studentDao=new StudentDaoBean();
this.rows = studentDao.getStudent(page, row);
this.total = studentDao.getTotalPages(row);
System.out.println("总页数："+this.total);
return "success";
}
}
dao接口:
package com.yjdgis.dao;
import java.util.List;
public interface StudentDao {
public List<Object> getStudent(int page,int rows);
public int getTotalPages(int rows);
}
dao.impl(模拟了一个数据库)
package com.yjdgis.dao.impl;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import com.yjdgis.dao.StudentDao;
import com.yjdgis.domain.Student;
public class StudentDaoBean implements StudentDao {
private static List<Student> list ;
static{
//模拟数据<br> list = new ArrayList<Student>();
for(int i=1;i<=110023;i++){
Student st = new Student(i,i,"NAME"+i,new Date(),"ClassName"+i,i%2==0? '0':'1');
list.add(st);
}
}
@Override
public List<Object> getStudent(int page, int rows) {
System.out.println(page +" : "+ rows);
List<Object> students = new ArrayList<Object>();
for(int i=page*rows ;i<rows*(page+1); i++ ){
students.add(list.get(i));
}
//获取数据<br> return students;
}
@Override
public int getTotalPages(int rows) {
int size = list.size();
//int pages = size%rows==0? size/rows: size/rows+1;
return size;
//获取总的条数<br> }
}model实体类:
package com.yjdgis.domain;
import java.util.Date;
public class Student {
private Integer id;
private Integer age;
private String name;
private Date birthday;
private String className;
private char sex;
public Student(){ }
public Student(Integer id, Integer age, String name, Date birthday, String className, char sex) {
this.id = id;
this.age = age;
this.name = name;
this.birthday = birthday;
this.className = className;
this.sex = sex;
}
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public Integer getAge() {
return age;
}
public void setAge(Integer age) {
this.age = age;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Date getBirthday() {
return birthday;
}
public void setBirthday(Date birthday) {
this.birthday = birthday;
}
public String getClassName() {
return className;
}
public void setClassName(String className) {
this.className = className;
}
public char getSex() {
return sex;
}
public void setSex(char sex) {
this.sex = sex;
}
}