mirror of
https://gitee.com/dromara/mayfly-go
synced 2025-11-04 00:10:25 +08:00
39 lines
1.5 KiB
TypeScript
39 lines
1.5 KiB
TypeScript
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export function exportCsv(filename: string, columns: string[], datas: []) {
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// 二维数组
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const cvsData = [columns];
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for (let data of datas) {
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// 数据值组成的一维数组
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let dataValueArr: any = [];
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for (let column of columns) {
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let val: any = data[column];
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if (typeof val == 'string' && val) {
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// csv格式如果有逗号，整体用双引号括起来；如果里面还有双引号就替换成两个双引号，这样导出来的格式就不会有问题了
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if (val.indexOf(',') != -1) {
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// 如果还有双引号，先将双引号转义，避免两边加了双引号后转义错误
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if (val.indexOf('"') != -1) {
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val = val.replace(/\"/g, "\"\"");
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}
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// 再将逗号转义
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val = `"${val}"`;
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}
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dataValueArr.push(val);
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} else {
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dataValueArr.push(val);
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}
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}
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cvsData.push(dataValueArr);
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}
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const csvString = cvsData.map((e) => e.join(',')).join('\n');
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// 导出
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let link = document.createElement('a');
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let exportContent = '\uFEFF';
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let blob = new Blob([exportContent + csvString], {
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type: 'text/plain;charset=utrf-8',
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});
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link.id = 'download-csv';
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link.setAttribute('href', URL.createObjectURL(blob));
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link.setAttribute('download', `${filename}.csv`);
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document.body.appendChild(link);
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link.click();
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}
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