图片验证码验证

 { }占位符，对应columns里面title

"verifyGuid": [
    {
      "type": "required",
      "message": "【验证码密钥】必须传递。",
      "required": true,
      "isAdd": true,
      "sortId": 1,
      "isEdit": true
    }
  ],    
"verifyCode": [
    {
      "type": "required",
      "message": "【验证码】值必须填写。",
      "required": true,
      "isAdd": true,
      "isEdit": true
    },
    {
      "type": "verifycode",
      "message": "【验证码】无效。",
      "required": true,
      "isAdd": true,
      "isEdit": true
    }
  ],