From 9a2293ea12531e49bb183a1a98e7bc3b065fffa6 Mon Sep 17 00:00:00 2001
From: 龚焕茏 <2842157468@qq.com>
Date: 星期五, 19 七月 2024 16:09:51 +0800
Subject: [PATCH] feat：通知空数据提示
---
src/views/answer/dataStatistics.vue | 31 +++++++++++++++++--------------
1 files changed, 17 insertions(+), 14 deletions(-)
diff --git a/src/views/answer/dataStatistics.vue b/src/views/answer/dataStatistics.vue
index 80f043e..68f78cf 100644
--- a/src/views/answer/dataStatistics.vue
+++ b/src/views/answer/dataStatistics.vue
@@ -1,15 +1,15 @@
<template>
- <div style="padding: 10px" ref="pageContent">
+ <div class="app-container" ref="pageContent">
<el-form :model="queryParam" ref="queryForm" :inline="true" style="display: flex">
<el-form-item label="璇曞嵎锛�">
- <el-select v-model="queryParam.id" filterable placeholder="璇曞嵎" @change="getType">
+ <el-select v-model="queryParam.id" filterable placeholder="璇曞嵎" @change="getType" size="small">
<el-option v-for="item,index in examPaperList" :key="index" :value="item.id" :label="item.name" />
</el-select>
</el-form-item>
<el-form-item>
- <el-button type="primary" @click="submitForm">鏌ヨ</el-button>
- <el-button type="danger" @click="handleExport" class="link-left">瀵煎嚭</el-button>
- <el-button type="danger" @click="downloadUrlFile" class="link-left">鎴浘</el-button>
+ <el-button type="primary" @click="submitForm" size="small">鏌ヨ</el-button>
+ <el-button type="danger" @click="handleExport" size="small" class="link-left">瀵煎嚭</el-button>
+ <el-button type="success" @click="downloadUrlFile" size="small" class="link-left">鎴浘</el-button>
</el-form-item>
</el-form>
@@ -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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