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<>将后端传递过来的数据下载保存到.json文件中
通过操作a标签，使用它的href、download属性，配置下载链接的地址。
let data = res.data let dataStr = JSON.stringify(data) //encodeURIComponent()
函数可把字符串作为 URI 组件进行编码。 let uri = 'data:text/csv;charaset=utf-8,\ufeff' +
encodeURIComponent(dataStr) let link = document.createElement('a') link.href =
uri link.download = 'data.json' //下载链接地址 document.body.appendChild(link) link.
click() document.body.removeChild(link)
<>使用input框，复制文本到剪切板
const el = document.createElement('input') el.setAttribute('value', link) //
给input元素赋值需要复制的文本 document.body.appendChild() el.select() // 选中input中的文本
document.execCommand('copy') // 复制内容到剪贴板 document.body.removeChild()
