src/utils/index.ts

@@ -117,6 +117,64 @@
}

/**
 * 根据支持的文件类型生成 accept 属性值
 *
 * @param supportedFileTypes 支持的文件类型数组，如 ['PDF', 'DOC', 'DOCX']
 * @returns 用于文件上传组件 accept 属性的字符串
 */
export const generateAcceptedFileTypes = (supportedFileTypes: string[]): string => {
  const allowedExtensions = supportedFileTypes.map((ext) => ext.toLowerCase())
  const mimeTypes: string[] = []

  // 添加常见的 MIME 类型映射
  if (allowedExtensions.includes('txt')) {
    mimeTypes.push('text/plain')
  }
  if (allowedExtensions.includes('pdf')) {
    mimeTypes.push('application/pdf')
  }
  if (allowedExtensions.includes('html') || allowedExtensions.includes('htm')) {
    mimeTypes.push('text/html')
  }
  if (allowedExtensions.includes('csv')) {
    mimeTypes.push('text/csv')
  }
  if (allowedExtensions.includes('xlsx') || allowedExtensions.includes('xls')) {
    mimeTypes.push('application/vnd.ms-excel')
    mimeTypes.push('application/vnd.openxmlformats-officedocument.spreadsheetml.sheet')
  }
  if (allowedExtensions.includes('docx') || allowedExtensions.includes('doc')) {
    mimeTypes.push('application/msword')
    mimeTypes.push('application/vnd.openxmlformats-officedocument.wordprocessingml.document')
  }
  if (allowedExtensions.includes('pptx') || allowedExtensions.includes('ppt')) {
    mimeTypes.push('application/vnd.ms-powerpoint')
    mimeTypes.push('application/vnd.openxmlformats-officedocument.presentationml.presentation')
  }
  if (allowedExtensions.includes('xml')) {
    mimeTypes.push('application/xml')
    mimeTypes.push('text/xml')
  }
  if (allowedExtensions.includes('md') || allowedExtensions.includes('markdown')) {
    mimeTypes.push('text/markdown')
  }
  if (allowedExtensions.includes('epub')) {
    mimeTypes.push('application/epub+zip')
  }
  if (allowedExtensions.includes('eml')) {
    mimeTypes.push('message/rfc822')
  }
  if (allowedExtensions.includes('msg')) {
    mimeTypes.push('application/vnd.ms-outlook')
  }

  // 添加文件扩展名
  const extensions = allowedExtensions.map((ext) => `.${ext}`)

  return [...mimeTypes, ...extensions].join(',')
}

/**
 * 首字母大写
 */
export function firstUpperCase(str: string) {