91 lines
3.5 KiB
TypeScript
91 lines
3.5 KiB
TypeScript
import { downloadFile } from '@/api/system-boot/file'
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// 下载文件
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export const download = (urls: string) => {
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//console.log('下载', urls)
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downloadFile({ filePath: urls })
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.then((res: any) => {
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// 1. 确定文件MIME类型（优化：用更简洁的方式）
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const getFileType = (url: string) => {
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const ext = url.split('.').pop()?.toLowerCase() || ''
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const mimeMap: Record<string, string> = {
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pdf: 'application/pdf',
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zip: 'application/zip',
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doc: 'application/msword',
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docx: 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
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xls: 'application/vnd.ms-excel',
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xlsx: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
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png: 'image/png',
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jpeg: 'image/jpeg',
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jpg: 'image/jpg'
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}
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return mimeMap[ext] || ''
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}
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const blob = new Blob([res], { type: getFileType(urls) })
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// 2. 提取文件名并保留原生后缀（核心修复点）
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const fileName = urls.split('/').at(-1) || '下载文件' // 先提取URL最后一段（文件名）
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// 3. 创建下载链接
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const url = window.URL.createObjectURL(blob)
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const link = document.createElement('a')
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link.href = url
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link.download = fileName // 直接使用原文件名（保留后缀）
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document.body.appendChild(link)
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link.click()
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// 4. 清理资源（优化）
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link.remove()
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window.URL.revokeObjectURL(url) // 释放blob URL
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})
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.catch(err => {
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console.error('下载失败：', err)
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// 可添加错误提示（如Toast）
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})
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}
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function removeLastDotSuffix(str: string) {
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// 找到最后一个 . 的位置
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const lastDotIndex = str.lastIndexOf('.')
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// 如果存在 .，截取到 . 之前的部分；否则返回原字符串
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return lastDotIndex !== -1 ? str.slice(0, lastDotIndex) : str
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}
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// 预览文件
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export const previewFile = async (urls: any) => {
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//console.log('预览', urls)
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let url = ''
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await downloadFile({ filePath: decodeURI(urls) })
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.then((res: any) => {
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// 1. 确定文件MIME类型（优化：用更简洁的方式）
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const getFileType = (url: string) => {
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const ext = url.split('.').pop()?.toLowerCase() || ''
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const mimeMap: Record<string, string> = {
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pdf: 'application/pdf',
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zip: 'application/zip',
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doc: 'application/msword',
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docx: 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
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xls: 'application/vnd.ms-excel',
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xlsx: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
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png: 'image/png',
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jpeg: 'image/jpeg',
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jpg: 'image/jpg'
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}
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return mimeMap[ext] || ''
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}
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const blob = new Blob([res], { type: getFileType(decodeURI(urls)) })
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// 3. 创建下载链接
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url = window.URL.createObjectURL(blob)
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})
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.catch(err => {
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console.error('下载失败：', err)
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// 可添加错误提示（如Toast）
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})
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//console.log('url', url)
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return url
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}
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