先看效果图

//渲染流程图
var drawForceChart = function(data){
console.log('开始执行流程图');
var forceOption = {
tooltip: {},
animationDurationUpdate: 1500,
animationEasingUpdate: 'quinticInOut',
textStyle: {
color:'#000'
},
series : [
{
type: 'graph',
tooltip: {
backgroundColor:'skyblue',
},
layout: 'none',
symbolSize: 10,
roam: false,