From 572135d41eb6d26aecce24bf7c2d0adb6bc7d0e4 Mon Sep 17 00:00:00 2001
From: 龚焕茏 <2842157468@qq.com>
Date: 星期一, 15 七月 2024 14:21:49 +0800
Subject: [PATCH] feat：统计图片下载
---
src/views/answer/dataStatistics.vue | 21 ++++++++++++---------
1 files changed, 12 insertions(+), 9 deletions(-)
diff --git a/src/views/answer/dataStatistics.vue b/src/views/answer/dataStatistics.vue
index 80f043e..7a077f7 100644
--- a/src/views/answer/dataStatistics.vue
+++ b/src/views/answer/dataStatistics.vue
@@ -157,15 +157,18 @@
});
},
methods: {
- downloadUrlFile(url, fileName) {
- // 鑾峰彇base64鍥剧墖
- const chartImgUrl = this.myChart.getDataURL({
- pixelRatio: 2,
- backgroundColor: '#fff'
- })
- console.log(chartImgUrl)
- // 涓嬭浇base64鍥剧墖
- this.downloadUrlFile(chartImgUrl, 'ECharts 2鍊嶅浘')
+ downloadUrlFile() {
+ var fileName = this.queryParam.name + '.png';
+ var canvasElement = document.getElementsByTagName('canvas')[0];
+ var MIME_TYPE = "image/png";
+ var imgURL = canvasElement.toDataURL(MIME_TYPE);
+ var dlLink = document.createElement('a');
+ dlLink.download = fileName;
+ dlLink.href = imgURL;
+ dlLink.dataset.downloadurl = [MIME_TYPE, dlLink.download, dlLink.href].join(':');
+ document.body.appendChild(dlLink);
+ dlLink.click();
+ document.body.removeChild(dlLink);
},
handleExport(){
let that = this
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