/// <summary>
/// GET方式请求URL，并返回T类型
/// </summary>
/// <typeparam name="T">接收JSON的数据类型</typeparam>
/// <param name="url"></param>
/// <param name="encoding"></param>
/// <param name="maxJsonLength">允许最大JSON长度</param>
/// <returns></returns>
public static T GetJson <T>(string url, Encoding encoding = null, int?maxJsonLength = null)
{
string returnText = RequestUtility.HttpGet(url, encoding);
WeixinTrace.SendApiLog(url, returnText);
#if NET35 || NET40 || NET45
JavaScriptSerializer js = new JavaScriptSerializer();
if (maxJsonLength.HasValue)
{
js.MaxJsonLength = maxJsonLength.Value;
}
#endif
if (returnText.Contains("errcode"))
{
//可能发生错误
#if NET35 || NET40 || NET45
WxJsonResult errorResult = js.Deserialize <WxJsonResult>(returnText);
#else
WxJsonResult errorResult =
Newtonsoft.Json.JsonConvert.DeserializeObject <WxJsonResult>(returnText);
#endif
if (errorResult.errcode != ReturnCode.请求成功)
{
//发生错误
throw new ErrorJsonResultException(
string.Format("微信请求发生错误！错误代码：{0}，说明：{1}",
(int)errorResult.errcode, errorResult.errmsg), null, errorResult, url);
}
}
#if NET35 || NET40 || NET45
T result = js.Deserialize <T>(returnText);
#else
T result = Newtonsoft.Json.JsonConvert.DeserializeObject <T>(returnText);
#endif
return(result);
}
/// <summary>
/// 异步GetJsonA
/// </summary>
/// <param name="url"></param>
/// <param name="encoding"></param>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
/// <exception cref="ErrorJsonResultException"></exception>
public static async Task <T> GetJsonAsync <T>(string url, Encoding encoding = null)
{
string returnText = await RequestUtility.HttpGetAsync(url, encoding);
JavaScriptSerializer js = new JavaScriptSerializer();
if (returnText.Contains("errcode"))
{
//可能发生错误
WxJsonResult errorResult = js.Deserialize <WxJsonResult>(returnText);
if (errorResult.errcode != ReturnCode.请求成功)
{
//发生错误
throw new ErrorJsonResultException(
string.Format("微信请求发生错误！错误代码：{0}，说明：{1}",
(int)errorResult.errcode, errorResult.errmsg), null, errorResult, url);
}
}
T result = js.Deserialize <T>(returnText);
return(result);
}
