/// <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.SendLog(url, returnText);
JavaScriptSerializer js = new JavaScriptSerializer();
if (maxJsonLength.HasValue)
{
js.MaxJsonLength = maxJsonLength.Value;
}
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);
}
/// <summary>
/// 发起Post请求
/// </summary>
/// <typeparam name="T">返回数据类型（Json对应的实体）</typeparam>
/// <param name="url">请求Url</param>
/// <param name="cookieContainer">CookieContainer，如果不需要则设为null</param>
/// <param name="fileStream">文件流</param>
/// <param name="encoding"></param>
/// <param name="timeOut">代理请求超时时间（毫秒）</param>
/// <param name="checkValidationResult">验证服务器证书回调自动验证</param>
/// <returns></returns>
public static T PostGetJson <T>(string url, CookieContainer cookieContainer = null, Stream fileStream = null, Encoding encoding = null, int timeOut = Config.TIME_OUT, bool checkValidationResult = false)
{
string returnText = RequestUtility.HttpPost(url, cookieContainer, fileStream, null, null, encoding, timeOut: timeOut, checkValidationResult: checkValidationResult);
WeixinTrace.SendLog(url, returnText);
var result = GetResult <T>(returnText);
return(result);
}
/// <summary>
/// 【异步方法】PostGetJson的异步版本
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="url"></param>
/// <param name="cookieContainer"></param>
/// <param name="fileStream"></param>
/// <param name="encoding"></param>
/// <param name="cer">证书，如果不需要则保留null</param>
/// <param name="timeOut"></param>
/// <param name="checkValidationResult"></param>
/// <returns></returns>
public static async Task <T> PostGetJsonAsync <T>(string url, CookieContainer cookieContainer = null, Stream fileStream = null, Encoding encoding = null, X509Certificate cer = null, int timeOut = Config.TIME_OUT, bool checkValidationResult = false)
{
string returnText = await RequestUtility.HttpPostAsync(url, cookieContainer, fileStream, null, null, encoding, cer, timeOut, checkValidationResult);
WeixinTrace.SendLog(url, returnText);
var result = GetResult <T>(returnText);
return(result);
}