Export() {letimg =newImage(); img.src=this.myChart.getDataURL({type:"png",pixelRatio:1,//放大2倍backgroundColor:'#fff'}); img.onload=() =>{letcanvas =document.createElement("canvas"); canvas.width= img.width; canvas.height= img.height;letctx = canvas.getContext('2d'); ctx.draw...
代码如下: Export() { let img = new Image(); img.src = this.myChart.getDataURL({ type: "png", pixelRatio: 1, //放大2倍 backgroundColor: '#fff' }); img.onload = () => { let canvas = document.createElement("canvas"); canvas.width = img.width; canvas.height = img.height; ...
none" method="post" enctype="multipart/form-data" action="/lang/EchartTest/Export"> 2)main.js var myChart = echarts.init(document.getElementById('main')); var option = { tooltip:
效果如下: Echarts图表 导出的图片 后续:前面导出来的图片背景会是透明的,导致有些文字看不清,所以优化一下 /** @author 花姐夫* @date 2022/2/17 14:11* @param canvas:canvas的DOM对象* @param fileName:导出的图片的名称* @param imageType:导出图片的类型 png/jpg*/exportChart(chart,fileName='导出...
整体思路: 1、前端:把echart的base64传递到后端 2、后端:在后台进行base64解码,生成指定路径下的图片 前端,伪代码: ... myCharts1.setOption(option1); setTimeout(exportImage, 2000);//切记:一定设置这个延迟,否则生成的图片是黑色的。 function expor
1. 2. 3. 4. js代码: $('#exportImg').click(function(){ var chartExportUrl = '../echartImg/export.htm'; var thisChart = echarts.init(document.getElementById('zbChart')); var picBase64Info = thisChart.getDataURL();//获取echarts图的base64编码,为png格式。
*/@PostMapping("/exportWord")publicvoidexportWord(HttpServletResponse response,@RequestParam("image")MultipartFile image){ExportWordUtil ewUtil=newExportWordUtil();Map<String,Object>dataMap=newHashMap<>();dataMap.put("title","导出word文档");Base64.Encoder base64=Base64.getEncoder();try{dataMap...
let image = mycanvas.toDataURL("image/png"); let $a = document.createElement('a'); $a.setAttribute("href", image); $a.setAttribute("download", ""); $a.click(); $a.setAttribute("download", "echarts图片下载"); }, CSS .exportClass { ...
exportdefault{name:'bar-report',props:{data:{required:true,// 若是横轴,则此部分为x轴"数值"数据,若为纵轴,则此部分为y轴"数值"数据,此部分数据必传type:Object},title:{type:Object|String// 标题,可以只传入标题,其他属性使用默认值,也可自定义title属性,默认无标题},theme:{type:String// dom参数属...
pyecharts: 0.5.3, Python : 3.5.2 需求: 生成图片 from pyecharts import configure from pyecharts import Bar configure(output_image='png') bar = Bar("我的第一个图表", "这里是副标题") bar.add("服装", ["衬衫", "羊毛衫", "雪纺衫", "裤子", "高跟鞋", "袜子"], [5, 20, 36,...