| 提交 | 用户 | 时间 | ||
| 820397 | 1 | const download0 = (data: Blob, fileName: string, mineType: string) => { |
| H | 2 | // 创建 blob |
| 3 | const blob = new Blob([data], { type: mineType }) | |
| 4 | // 创建 href 超链接，点击进行下载 | |
| 5 | window.URL = window.URL || window.webkitURL | |
| 6 | const href = URL.createObjectURL(blob) | |
| 7 | const downA = document.createElement('a') | |
| 8 | downA.href = href | |
| 9 | downA.download = fileName | |
| 10 | downA.click() | |
| 11 | // 销毁超连接 | |
| 12 | window.URL.revokeObjectURL(href) | |
| 13 | } | |
| 14 | ||
| 15 | const download = { | |
| 16 | // 下载 Excel 方法 | |
| 17 | excel: (data: Blob, fileName: string) => { | |
| 18 | download0(data, fileName, 'application/vnd.ms-excel') | |
| 19 | }, | |
| 20 | // 下载 Word 方法 | |
| 21 | word: (data: Blob, fileName: string) => { | |
| 22 | download0(data, fileName, 'application/msword') | |
| 23 | }, | |
| 24 | // 下载 Zip 方法 | |
| 25 | zip: (data: Blob, fileName: string) => { | |
| 26 | download0(data, fileName, 'application/zip') | |
| 27 | }, | |
| 28 | // 下载 Html 方法 | |
| 29 | html: (data: Blob, fileName: string) => { | |
| 30 | download0(data, fileName, 'text/html') | |
| 31 | }, | |
| 32 | // 下载 Markdown 方法 | |
| 33 | markdown: (data: Blob, fileName: string) => { | |
| 34 | download0(data, fileName, 'text/markdown') | |
| 35 | }, | |
| 36 | // 下载图片（允许跨域） | |
| 37 | image: (url: string) => { | |
| 38 | const image = new Image() | |
| 39 | image.setAttribute('crossOrigin', 'anonymous') | |
| 40 | image.src = url | |
| 41 | image.onload = () => { | |
| 42 | const canvas = document.createElement('canvas') | |
| 43 | canvas.width = image.width | |
| 44 | canvas.height = image.height | |
| 45 | const ctx = canvas.getContext('2d') as CanvasDrawImage | |
| 46 | ctx.drawImage(image, 0, 0, image.width, image.height) | |
| 47 | const url = canvas.toDataURL('image/png') | |
| 48 | const a = document.createElement('a') | |
| 49 | a.href = url | |
| 50 | a.download = 'image.png' | |
| 51 | a.click() | |
| 52 | } | |
| 53 | } | |
| 54 | } | |
| 55 | ||
| 56 | export default download | |
