关系图的缩放、拖移、边上的关系显示、自定义等

效果：
代码：
<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
    <%@page import="com.dao.*"%>
<%@page import="java.util.List"%>
<%@page import="com.ways.*"%>
<%@page import="com.model.*"%>
<%@page import="com.utils.*"%>
<%@page import="java.util.Random"%>
<%@page import="java.util.Date"%>
<%@page import="java.text.SimpleDateFormat"%>
<!DOCTYPE html>
<html style="height: 100%">
   <head>
       <meta charset="utf-8">
   </head>
   <body style="height: 100%; margin: 0">
       <div id="mainAll" style="height: 100%"></div>    
          <script type="text/javascript" src="http://code.jquery.com/jquery-1.11.0.min.js"></script>
         <script src="echarts.js"></script>
        <script src="dataTool.js"></script>          
       <script type="text/javascript">
var dom = document.getElementById("mainAll");
var myChart = echarts.init(dom);
var app = {};
option = null;
app.title = '力引导布局';

myChart.showLoading();
    myChart.hideLoading();

    //var graph = echarts.dataTool.gexf.parse(xml);
        categories=[
            {
                "name": "人物",
            },
            {
                "name": "机构",
            },
            {
                "name": "行为措施",
            },
            {
                "name": "主题",
            }
        ],
    nodes=[
        <%for(int i=0;i<20;i++){%>
        {
            name: "马<%=i%>",
            value: 100,
            category: 3,
            symbolSize:10,
        },
        {
            name: "刘<%=i%>",
            value: 100,
            category: 1,
            symbolSize:10,
        },
        {
            name: "爱了<%=i%>",
            value: 100,
            category: 0,
        },
        {
            name: "嘻嘻<%=i%>",
            value: 100,
            category: 2,
        },
        <%}%>
],
links=[
    <%for(int i=0;i<40;i++){%>
    {
        "flow": 1,
        source: "马<%=i%>",
        target: <%=i*2%>,
    },
    {
        "flow": 1,
        source: <%=i+1%>,
        target: <%=i*2%>,
    },
<%}%>
],
    option = {        
        title: {
            text: '',
            subtext: 'Default layout',
            top: 'bottom',
            left: 'right'
        },
        tooltip:{
            formatter:function(params){//线上的提示
                if(params.data.flow){
                    return params.data.source + '到' + params.data.target + '的流量为'+ params.data.flow;
                }
                else{
                    return params.name;
                }  
            }
        },
        legend: {
            data: ['人物', '机构', '行为措施', '主题']
        },
        series : [
            {
                name: '',
                type: 'graph',
                layout: 'force',
                data: nodes,
                links: links,
                categories:  categories,
                roam: true,//缩放
                draggable: true,//拖移
                focusNodeAdjacency: true,//点击时其他点变暗
                label: {
                    normal: {
                        position: 'right'
                    }
                },
                force: {
                    repulsion: 100
                },
            }
        ]
    };

    myChart.setOption(option);
    myChart.on('click', function (params) {
        var data=params.value
        //点没有source属性
        if(data.source==undefined){
            nodeName=params.name
            window.open("NewFile1.jsp?a=mjh")
        }

});
if (option && typeof option === "object") {
    myChart.setOption(option, true);
}
       </script>
   </body>
</html>