content: # {0} 默认值，必须限制max，{0}将被替换为max的限制值
  # {1} 字段名字
  [len]
  zh-cn="参数长度必须是{0}位"
  en-us="length required {0}"
  [required]
  zh-cn="该参数是必须的"
  en-us="param is required"
  [max]
  zh-cn="参数最大值是{0}"
  en-us="param max is {0}"
  [min]
  zh-cn="参数最小值是{0}"
  en-us="param min is {0}"
  [eq]
  zh-cn="参数必须等于{0}"
  en-us="param must be eq {0}"
  [ne]
  zh-cn="参数不能等于{0}"
  en-us="param must be ne {0}"
  [gt]
  zh-cn="参数必须大于{0}"
  en-us="param must be gt {0}"
  [gte]
  zh-cn="参数必须大于等于{0}"
  en-us="param must be gte {0}"
  [lt]
  zh-cn="参数必须小于{0}"
  en-us="param must be lt {0}"
  [lte]
  zh-cn="参数必须小于等于{0}"
  en-us="param must be lte {0}"
  [alphanum]
  zh-cn="参数必须是字母或者数字"
  en-us="param must be alphanum"
  [numeric]
  zh-cn="参数必须是数字"
  en-us="param must be numeric"
  [url]
  zh-cn="参数必须是一个有效链接"
  en-us="param must be a url"
  [base64]
  zh-cn="参数必须是一个有效base64"
  en-us="param must be a base64"
  [contains]
  zh-cn="参数必须包含{0}"
  en-us="param must contains {0}"
  [ip]
  zh-cn="参数必须是一个IP地址"
  en-us="param must a ip addr"
  [email]
  zh-cn="参数必须是一个有效邮箱地址"
  en-us="param must a email address"