{
  //头像
  "avatar": {
    //路径 D:/upload/admin/avatar
    "path": "D:/upload/admin/avatar",
    //请求路径
    "requestPath": "/upload/admin/avatar",

    //路径日期格式 yyyy/MM/dd
    "dateTimeFormat": "",
    //{用户编号}
    "format": "{0}",
    //图片大小 1M = 1024 * 1024
    "size": 1048576,
    //图片格式
    "contentType": [ "image/jpg", "image/png", "image/jpeg", "image/gif" ]
  },
  //文档
  "document": {
    //路径 D:/upload/admin/document
    "path": "D:/upload/admin/document",
    //请求路径
    "requestPath": "/images",

    //路径日期格式 yyyy/MM/dd
    "dateTimeFormat": "",
    //{文档编号}
    "format": "{0}",
    //文件大小 10M = 10 * 1024 * 1024
    "size": 10485760,
    //最大允许上传个数，-1不限制
    "limit": -1,
    //文件格式
    "contentType": [ "image/jpg", "image/png", "image/jpeg", "image/gif" ]
  }
}