JAVA之struts2+ajax实现echats柱状图

说明：本实例使用的是echart3，jquery1.8.1

1）struts的web.xml配置代码如下：

xmlns="/xml/ns/javaee"

xsi:schemaLocation="/xml/ns/javaee

/xml/ns/javaee/web-app_3_0.xsd"

id="WebApp_ID"version="3.0">

struts2

index.html

index.htm

index.jsp

default.html

default.htm

default.jsp

struts2

org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecu teFilter

struts2

/*

2）struts.xml代码

"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"

"/dtds/struts-2.3.dtd">

3）EchartsAction ：

package struts2.action;

import common.controller.BaseController;

publicclass EchartsAction extends BaseController{

/*private String json = "[{\"鞋\":\"80\"},{\"衬衫\":\"50\"},{\"外套\":\"75\"},{\"牛仔裤\":\"100\"}]";*/

private String json= "[{\"item\":\"鞋\",\"saleNum\":\"80\"},{\"item\":\"衬衫\",\"saleNum\":\"100\"},"

+ "{\"item\":\"外套\",\"saleNum\":\"90\"},{\"item\":\"牛仔裤\",\"saleNum\":\"70\"}]";

publicvoid getZzt(){

try {

getPrintWriter().print(json);

} catch (Exception e) {

e.printStackTrace();

}

}

}

4)页面源代码：

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

pageEncoding="utf-8"%>

<%