js调用echarts getImage方法 将图表转换为img

function chart(opt,id,chartName){//配置option的方法 ???var chartName = echarts.init(document.getElementById(id)); ???chartName.setOption(opt); ???window.onresize = chartName.resize; ??window.setTimeout(function(){ ??????$(".indexCon1-filter a").on(‘click‘,function(){ ??????????var _body=$("body"); ??????????chartName.animation="false"; ??????????var picInfo = chartName.getImage();//picInfo为echarts图表转换后的img标签 ??????????$(picInfo).addClass("canvasImg"); ??????????if(!_body.hasClass("cImg")){ ??????????????_body.addClass("cImg") ??????????} ??????????$("#"+id).html(picInfo); ??????}) ??});}