Echarts的使用方法

效果图：
1、在echarts官网下载包，解压后，将文件Echartsecharts-2.2.7echarts-2.2.7docexamplewwwjsecharts.js文件拷贝，放到eclipse中。
2、创建jsp页面即可
注意：1）红色表示是框架，换不同的样式也不用动的
2）option是换样式的，如柱状图等等，具体代码参考百度官网
3）本例中的x值是控制上图中左侧文字与左边的距离大小
4）需要在body中给其一个容器。
<div id="main" style="height:600px;"></div>
<%@ page contentType="text/html;charset=UTF-8" %>
<%@ include file="/WEB-INF/views/include/taglib.jsp"%>
<%@ page language="java" import="java.util.*,java.lang.*" pageEncoding="UTF-8"%>
<html>
<head>
    <title>日志管理</title>
    <meta name="decorator" content="default"/>
    <meta charset="utf-8">
      <!-- ECharts单文件引入 -->
      <!--  <script src="http://echarts.baidu.com/build/dist/echarts.js"></script> -->
    <script src="${ctxStatic }/js/echarts.js"></script> 
    <script type="text/javascript">
        // 路径配置
        require.config({
            paths: {
                 // echarts: 'http://echarts.baidu.com/build/dist'
                 echarts: '${ctxStatic }/js/build/dist'
            }
        });
        // 使用
        require(
            [
                'echarts',
                'echarts/chart/pie' // 使用柱状图就加载bar模块，按需加载
            ],
            function (ec) {
                // 基于准备好的dom，初始化echarts图表
                var myChart = ec.init(document.getElementById('main'));              
                option = {
                        tooltip: {
                            trigger: 'item',
                            formatter: "{a} <br/>{b}: {c} ({d}%)"
                        },
                        legend: {
                            orient: 'vertical',
                            x: '40px',
                            data:['指令发布','案件讨论','每日警情','每周警情','信息共享','日常互助','考核通报','前科重点人员','高危人员','刑嫌人员','在逃相对关系人','在逃人员','DNA比中分析','银联司法','电信诈骗串并','视频串并','协同办案','以案查物','以物查案（手机分析）','以物查案（电脑分析）','以物查案（贵重物品分析）','以物查案（车辆分析）']
                        },
                        series: [
                            {
                                name:'信息来源',
                                type:'pie',
                                selectedMode: 'single',
                                radius: [0, '25%'],

                                label: {
                                    normal: {
                                        position: 'inner'
                                    }
                                },
                                labelLine: {
                                    normal: {
                                        show: false
                                    }
                                },
                                data:[
                                    //{value:${xtdl}, name:'系统登录', selected:true},
                                    {value:${zl+tl+mr+mz}, name:'合成作战'},
                                    {value:${xx+khtb+rchz}, name:'互助专栏'},
                                    {value:${qkzd+gwry+xxry+ztxd+ztry+dnabz}, name:'人员分析'},
                                    {value:${jass+dxzp+vod+xtba}, name:'串并案分析'},
                                    {value:${yacw+sjfx+dnfx+gzwp+clfx}, name:'物品分析'}
                                ]
                            },
                            {
                                name:'信息来源',
                                type:'pie',
                                radius: ['30%', '55%'],
                                data:[                           
                                    {value:${zl}, name:'指令发布'},
                                    {value:${tl}, name:'案件讨论'},
                                    {value:${mr}, name:'每日警情'},
                                    {value:${mz}, name:'每周警情'},
                                    {value:${xx}, name:'信息共享'},
                                    {value:${rchz}, name:'日常互助'},
                                    {value:${khtb}, name:'考核通报'},
                                    {value:${qkzd}, name:'前科重点人员'},
                                    {value:${gwry}, name:'高危人员'},
                                    {value:${xxry}, name:'刑嫌人员'},
                                    {value:${ztxd}, name:'在逃相对关系人'},
                                    {value:${ztry}, name:'在逃人员'},
  //                                  {value:${xtdl}, name:'系统登录'},
                                    {value:${dnabz}, name:'DNA比中分析'},
                                    {value:${jass}, name:'银联司法'},
                                    {value:${dxzp}, name:'电信诈骗串并'},
                                    {value:${vod}, name:'视频串并'},
                                    {value:${xtba}, name:'协同办案'},
                                    {value:${yacw}, name:'以案查物'},
                                    {value:${sjfx}, name:'以物查案（手机分析）'},
                                    {value:${dnfx}, name:'以物查案（电脑分析）'},
                                    {value:${gzwp}, name:'以物查案（贵重物品分析）'},
                                    {value:${clfx}, name:'以物查案（车辆分析）'}                             
                                ]
                            }
                        ]
                    };  
                // 为echarts对象加载数据 
                myChart.setOption(option); 
            }
        );
    </script> 
</head>
<body>
    <ul class="nav nav-tabs">
        <li ><a href="${ctx}/sys/log/list">日志列表</a></li>
        <li class="active"><a href="${ctx}/sys/log/view"><b>日志视图</b></a></li>
    </ul>
    <form:form id="searchForm" modelAttribute="bean" action="${ctx}/sys/log/view" method="post" class="breadcrumb form-search">
        <b>重点模块访问数据统计&nbsp;&nbsp; &nbsp;[系统总登录次数：<span style="color:green;">${xtdl}</span>]</b>
    </form:form>
     <!-- 为ECharts准备一个具备大小（宽高）的Dom -->
    <div id="main" style="height:600px;"></div>
</body>
</html>