Echarts 获取后台数据 使用后台数据展示 柱形图

后台数据要以json格式返回

页面:引用echarts.js , 然后data以ajax的数据请求并返回

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://"
+ request.getServerName() + ":" + request.getServerPort()
+ path + "/";
%>

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