文件媒体类型MIME Type

MIMEType：文件媒体类型，浏览器可以根据MIME类型，选择以何种形式读取和显示文件。

• 常见的MIME类型：

  ‘xml’ => ‘application/xml,text/xml,application/x-xml’
  ‘json’ => ‘application/json,text/x-json,application/jsonrequest,text/json’
  ‘js’ => ‘text/javascript,application/javascript,application/x-javascript’
  ‘css’ => ‘text/css’
  ‘rss’ => ‘application/rss+xml’
  ‘yaml’ => ‘application/x-yaml,text/yaml’
  ‘atom’ => ‘application/atom+xml’
  ‘pdf’ => ‘application/pdf’
  ‘text’ => ‘text/plain’
  ‘image’ => ‘image/png,image/jpg,image/jpeg,image/pjpeg,image/gif,image/webp,image/’
  ‘csv’ => ‘text/csv’
  ‘html’ => 'text/html,application/xhtml+xml,/*’