/// <summary>
/// Sets up the reader for reading rows from the response data set.
/// </summary>
private void BeginValueSection()
{
switch (_reader.TokenType)
{
case JsonToken.StartObject:
// The response only contains a single row (JSON object instead of JSON array).
_resultType = WebApiResultType.SingleRow;
break;
case JsonToken.StartArray:
// The response contains multiple rows (JSON array).
_resultType = WebApiResultType.MultipleRows;
break;
default:
// The response contains a single value (JSON primitive).
_resultType = WebApiResultType.Scalar;
break;
}
// When the BeginValueSection does not get called, _resultType defaults to NoResult.
}
/// <summary>
/// 构造函数
/// </summary>
/// <param name="success"></param>
/// <param name="msg"></param>
/// <param name="data"></param>
public WebApiResult(WebApiResultType resultType = WebApiResultType.NoChanged, string msg = null, object data = null)
: base(resultType, msg, data)
{
}
/// <summary>
/// Reads a single scalar result from the response JSON.
/// </summary>
/// <remarks>
/// This method is used when the response only has a single scalar result. After the result is read,
/// the state of the IDataReader is set to indicate there are no more rows
/// </remarks>
/// <returns>true always</returns>
private bool ReadSingleScalar()
{
ReadScalarRow();
_resultType = WebApiResultType.NoResult;
return(true);
}
/// <summary>
/// Reads a single row from the response JSON.
/// </summary>
/// <remarks>
/// This method is used when the response only has a single row result. After the row is read,
/// the state of the IDataReader is set to indicate there are no more rows
/// </remarks>
/// <returns>true always</returns>
private bool ReadSingleRow()
{
ReadObjectRow();
_resultType = WebApiResultType.NoResult;
return(true);
}