邮箱验证

•  { }占位符，对应columns里面title

    "email": [
      {
        "type": "maxlength",
        "max": 200,
        "isAdd": true,
        "isEdit": true,
        "message": "【邮箱】最大长度为200。"
      },
      {
        "type": "email",
        "max": 200,
        "isAdd": true,
        "isEdit": true,
        "message": "【邮箱】格式不正确。"
      },
      {
        "type": "remote",
        "url": "~/bo/api/v3/remote/unique/{mkey}/{resField}?ownerId={ownerId}&sysId={sysId}&rule={rule}&{params}",
        "sql": "select count(email) from bo_user where email=@email {s-if:userId} and user_id<>@userId {e-if:userId}",
        "isAdd": true,
        "isEdit": true,
        "message": "【邮箱】已存在。"
      }
    ],