/// <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);
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>
/// 授权页面API
/// </summary>
/// <param name="returnUrl">用户尝试进入的需要登录的页面</param>
/// <returns></returns>
public ActionResult Index(string returnUrl, int?oauthScope)
{
if (returnUrl == null)
{
returnUrl = "http://" + Request.Url.Authority + "/OAuth2/UserInfoCallback1";
}
var state = "JeffreySu-" + DateTime.Now.Millisecond; //随机数，用于识别请求可靠性
Session["State"] = state; //储存随机数到Session
ViewData["returnUrl"] = returnUrl;
WeixinTrace.SendApiLog(oauthScope.ToString(), "请求微信oauthScope");
//此页面引导用户点击授权
string url = "";
if (oauthScope == (int)OAuthScope.snsapi_userinfo)
{
url =
OAuthApi.GetAuthorizeUrl(appId,
"http://" + Request.Url.Authority + "/oauth2/UserInfoCallback?returnUrl=" + returnUrl.UrlEncode(),
state, OAuthScope.snsapi_userinfo);
}
else
{
url =
OAuthApi.GetAuthorizeUrl(appId,
"http://" + Request.Url.Authority + "/oauth2/BaseCallback?returnUrl=" + returnUrl.UrlEncode(),
state, OAuthScope.snsapi_base);
}
return(Redirect(url));
//ViewData["UrlUserInfo"] = url;
//return View();
}
/// <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="useAjax">是否使用Ajax请求</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, X509Certificate2 cer = null, bool useAjax = false, int timeOut = Config.TIME_OUT, bool checkValidationResult = false)
{
string returnText = await RequestUtility.HttpPostAsync(url, cookieContainer, fileStream, null, null, encoding, cer, useAjax, timeOut, checkValidationResult);
WeixinTrace.SendApiLog(url, returnText);
var result = GetResult <T>(returnText);
return(result);
}