From 46f79b491173d284a4900d19e7aecf7509481438 Mon Sep 17 00:00:00 2001
From: king <18310653075@163.com>
Date: 星期五, 21 一月 2022 17:21:25 +0800
Subject: [PATCH] 2022-01-21
---
src/tabviews/custom/components/chart/antv-pie/index.jsx | 44 ++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 44 insertions(+), 0 deletions(-)
diff --git a/src/tabviews/custom/components/chart/antv-pie/index.jsx b/src/tabviews/custom/components/chart/antv-pie/index.jsx
index 51eb7ce..e5aa7e7 100644
--- a/src/tabviews/custom/components/chart/antv-pie/index.jsx
+++ b/src/tabviews/custom/components/chart/antv-pie/index.jsx
@@ -5,6 +5,7 @@
import { connect } from 'react-redux'
import DataSet, { DataView } from '@antv/data-set'
import { Spin, Empty, notification } from 'antd'
+import { DownloadOutlined } from '@ant-design/icons'
import moment from 'moment'
import Api from '@/api'
@@ -35,6 +36,7 @@
plot: null, // 鍥捐〃璁剧疆
data: null, // 鏁版嵁
search: null, // 鎼滅储鏉′欢
+ chart: null
}
UNSAFE_componentWillMount () {
@@ -728,6 +730,8 @@
})
}
chart.render()
+
+ this.setState({chart})
}
/**
@@ -989,12 +993,51 @@
})
}
chart.render()
+
+ this.setState({chart})
}
refreshSearch = (list) => {
this.setState({search: list}, () => {
this.loadData()
})
+ }
+
+ downloadImage = () => {
+ const { chart, config } = this.state
+ const link = document.createElement('a');
+ const filename = `${config.name}${moment().format('YYYY-MM-DD HH_mm_ss')}.png`;
+ const canvas = chart.getCanvas();
+ canvas.get('timeline').stopAllAnimations();
+
+ setTimeout(() => {
+ const canvas = chart.getCanvas();
+ const canvasDom = canvas.get('el');
+ const dataURL = canvasDom.toDataURL('image/png');
+
+ if (window.Blob && window.URL) {
+ const arr = dataURL.split(',');
+ const mime = arr[0].match(/:(.*?);/)[1];
+ const bstr = atob(arr[1]);
+ let n = bstr.length;
+ const u8arr = new Uint8Array(n);
+ while (n--) {
+ u8arr[n] = bstr.charCodeAt(n);
+ }
+ const blobObj = new Blob([u8arr], { type: mime });
+ if (window.navigator.msSaveBlob) {
+ window.navigator.msSaveBlob(blobObj, filename);
+ } else {
+ link.addEventListener('click', () => {
+ link.download = filename;
+ link.href = window.URL.createObjectURL(blobObj);
+ });
+ }
+ }
+ const e = document.createEvent('MouseEvents');
+ e.initEvent('click', false, false);
+ link.dispatchEvent(e);
+ }, 16);
}
render() {
@@ -1010,6 +1053,7 @@
}
<NormalHeader config={config} BID={BID} menuType={this.props.menuType} refresh={this.refreshSearch} />
<div className="canvas-wrap" ref={ref => this.wrap = ref}>
+ {config.plot.download === 'enable' && this.state.chart && !empty ? <DownloadOutlined onClick={this.downloadImage} className="system-color download"/> : null}
<div className={'canvas' + (empty ? ' empty' : '')} id={this.state.chartId}></div>
</div>
{empty ? <Empty description={false}/> : null}
--
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