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struts2.18整合json和ExtJs4.0实例

阅读更多

用到的jar包有：

commons-beanutils-1.7.0.jar、commons-collections-3.2.jar、commons-fileupload-1.2.1.jar、commons-io-1.3.2.jar、commons-lang-2.3.jar、commons-logging-1.0.4.jar、freemarker-2.3.15.jar、json-lib-2.1.jar、ognl-2.7.3.jar、struts2-core-2.1.8.1.jar、struts2-json-plugin-2.1.8.1.jar、xwork-core-2.1.6.jar

这些包在struts2.1.8的lib文件夹中都有，还需要加上一个ezmorph-1.0.4.jar，本实例中没有用到jsonplugin-0.33.jar包。

一、首先写一个javabean：Person.java

 

package com.leo.bean;

public class Person {
	private String name;
	private int age;
	private String sex;
	private String birthday;

	public Person(String name, int age, String sex, String birthday) {
		super();
		this.name = name;
		this.age = age;
		this.sex = sex;
		this.birthday = birthday;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public int getAge() {
		return age;
	}

	public void setAge(int age) {
		this.age = age;
	}

	public String getSex() {
		return sex;
	}

	public void setSex(String sex) {
		this.sex = sex;
	}

	public String getBirthday() {
		return birthday;
	}

	public void setBirthday(String birthday) {
		this.birthday = birthday;
	}

}

 

 二、写Action：ExtjsAction.java

 

package com.leo.action;

import java.util.ArrayList;
import java.util.List;

import com.leo.bean.Person;
import com.opensymphony.xwork2.ActionSupport;

public class ExtjsAction extends ActionSupport {
	private long results;
	private List items;

	public long getResults() {
		return results;
	}

	public void setResults(long results) {
		this.results = results;
	}

	public List getItems() {
		return items;
	}

	public void setItems(List items) {
		this.items = items;
	}

	public String execute() throws Exception {
		this.results = 3;
		Person p1 = new Person("张三", 29, "男", "1990-10-22");
		Person p2 = new Person("李四", 28, "男", "1991-03-30");
		Person p3 = new Person("王五", 27, "女", "1993-08-17");
		this.items = new ArrayList<Person>();
		this.items.add(p1);
		this.items.add(p2);
		this.items.add(p3);
		return SUCCESS;
	}
}

 

 三、写配置文件

1.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_2_5.xsd"
	version="2.5">
	<display-name>struts2</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.FilterDispatcher</filter-class>
	</filter>
	<filter-mapping>
		<filter-name>struts2</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
</web-app>

 

 2.struts.xml

 

<?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>
	<include file="struts-default.xml" />
	<package name="json" namespace="/" extends="json-default">
		<action name="extjs" class="com.leo.action.ExtjsAction">
			<result type="json"></result>
		</action>
	</package>
</struts>

 

 四、最后写jsp

index.jsp

 

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
	<head>

		<title>ExtJs与Struts2结合</title>
		<meta http-equiv="pragma" content="no-cache">
		<meta http-equiv="cache-control" content="no-cache">
		<meta http-equiv="expires" content="0">
		<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
		<meta http-equiv="description" content="This is my page">
		<link rel="stylesheet" type="text/css"
			href="../../ext-4.0.7/resources/css/ext-all.css" />
		<script type="text/javascript" src="../../ext-4.0.7/bootstrap.js"></script>
		<script type="text/javascript"
			src="../../ext-4.0.7/locale/ext-lang-zh_CN.js"></script>
		<script type="text/javascript">
	Ext.onReady(function() {
		Ext.create('Ext.grid.Panel', {
			title : '人员列表',
			renderTo : Ext.getBody(),
			width : 400,
			height : 170,
			frame : true,
			store : {
				fields : [ 'name', 'age', 'sex', 'birthday' ],
				proxy : {
					type : 'ajax',
					url : '/s2json/extjs.action',
					reader : {
						type : 'json',
						root : 'items'
					}
				},
				autoLoad : true
			},
			columns : [ new Ext.grid.RowNumberer(), {
				header : "姓名",
				width : 80,
				dataIndex : 'name',
				sortable : true
			}, {
				header : "年龄",
				width : 80,
				dataIndex : 'age',
				sortable : true
			}, {
				header : "性别",
				width : 80,
				dataIndex : 'sex',
				sortable : true
			}, {
				header : "生日",
				width : 80,
				dataIndex : 'birthday',
				sortable : true
			} ]
		});
	});
</script>
	</head>
	<body>
	</body>
</html>

 

 

五、效果图

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| ext中grid解决中文按拼音排序
评论
1 楼 aoxiangdelishi 2012-12-04  
求解啊 ？这个例子运行后报错了，说找不到struts.stack什么的，方正表格里没有数据啊？
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