<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="GBK">
<title>Title</title>
<script src="js/jquery-1.11.1.min.js"></script>
<script src="js/echarts.min.js"></script>
<script>
$(document).ready(function(){
var myChart = echarts.init(document.getElementById('piedemo'));
option = {
tooltip: {
show: true,
},
legend: {
x: "center",
y:'30px',
data: ["家人", "朋友"]
},
animation: false,
series: [{
categories: [{
name: '家人',
itemStyle: {
normal: {
color: "#009800",
}
}
}, {
name: '朋友',
itemStyle: {
normal: {
color: "#4592FF",
}
}
}],
type: 'graph',
layout: 'force',
symbol: "roundRect",
symbolSize: 50,
roam: true, //禁止用鼠标滚轮缩小放大效果
edgeSymbol: ['circle', 'arrow'],
edgeSymbolSize: [0, 10],
// 连接线上的文字
focusNodeAdjacency: true, //划过只显示对应关系
edgeLabel: {
normal: {
show: true,
textStyle: {
fontSize: 18
},
formatter: "{c}"
}
},
categories: [{
name: '家人',
itemStyle: {
normal: {
color: "#009800",
}
},
}, {
name: '朋友',
itemStyle: {
normal: {
color: "#4592FF",
}
}
}],
lineStyle: {
normal: {
opacity: 1,
width: 2,
curveness: 0
}
},
force: {
repulsion: 5000
},
label: {
normal: {
show: true,
position : ['20%','38%'],//标签的位置。['50%', '50%'][x,y]
textStyle:{
color:"#fff"
}
}
},
data: [{
name: '中爆数字',
symbol: "Rect",
symbolSize: [250,30],
label: {
normal: {
show: true,
position : ['40%', '20%'],//标签的位置。['50%', '50%'][x,y]
}
}
}, {
name: '节点2',
category: 1,
itemStyle: {
normal: {
color: '#090',
},
emphasis: {
color: "#000"
}
}
}, {
name: '节点3',
category: 1
}, {
name: '节点4',
category: 0
}, {
name: '节点5',
category: 0
}, {
name: '节点6',
category: 0
}],
links: [{
source: '节点2',
target: 0,
value: "朋友",
lineStyle: {
normal: {
color: '#38f',
curveness: 0 // 线的弯曲度 0-1之间 越大则歪曲度更大
}
},
label: {
normal: {
textStyle: {
color: '#07ac72'
}
}
}
}, {
source: '节点3',
target: 0,
value: "朋友"
}, {
source: '节点4',
target: 0,
value: "家人"
}, {
source: '节点5',
target: 0,
value: "家人"
}, {
source: '节点6',
target: 0,
value: "家人"
} ]
}]
};
myChart.setOption(option);
myChart.on('dblclick', openOrFold);
function appendPath(params){ //拼接节点关系并显示在左下角，
var option = myChart.getOption();
var series = option.series[params.seriesIndex]; //获取图表
var links= series.links;//获取所有连线
if(params.dataType=="node"){ //dataType可以是edge(线条)或node(数据)
var str = params.data.name;
for( i = 0 ; i < links.length; i++){
if(links[i].source==str){
str =links[i].source+"->" +series.data[links[i].target].name ;
}
}
return str;
}else if(params.dataType=="edge"){ //当鼠标停留在连线上时，暂不处理
return "";
}
}
function openOrFold(params) { //该事件会提示节点间关系
var str = appendPath(params);
document.getElementById("main_1").innerHTML = str;
var oW = $('#main_1').width()/2;
$('#main_l').css({marginLeft:-oW});
return str;
}
});
</script>
<style>
.box{position: relative;width: 800px;
height: 600px;
margin: 40px auto;}
#piedemo{width:800px;height:600px;margin: 40px auto;}
#main_1{
height: 20px;
width: 80%;
text-align: center;
background: rgba(243,112,0,.2);
z-index: 10000;
margin: 0 auto;
}
</style>
</head>
<body>
<div class="box">
<div id="main_1"></div>
<div id="piedemo"></div>
</div>
</body>
</html>
原创笔记
