/// <summary>
/// 获得微信授权第一步获得code
/// </summary>
/// <param name="isbase">是否静默授权,</param>
/// <param name="backurl">跳转地址</param>
public static string GetAuthorizeCodeUrl(bool isbase, string backurl)
{
try
{
//第一步
string redirect_uri = HttpUtility.UrlEncode(backurl);
SortedDictionary <string, object> dic = new SortedDictionary <string, object>();
dic.Add("appid", AppSettingHelper.AppId);
dic.Add("redirect_uri", redirect_uri);
dic.Add("response_type", "code");
dic.Add("scope", isbase ? "snsapi_base" : "snsapi_userinfo");
dic.Add("state", "STATE" + "#wechat_redirect");//任意值
string tempurlstr = WXHelper.ToUrl(dic);
string url = AppSettingHelper.GetAuthorizeCodeFromUrl + tempurlstr;
Container.LogService.Info("GetAuthorizeCodeUrl: " + url);
return(url);
}
catch (Exception ex)
{
Container.LogService.Error("获取微信授权code错误。\n" + ex.ToString());
return("");
}
}
public static GetOpenIdResponse GetOpenidInfoFromCode(string code)
{
try
{
SortedDictionary <string, object> dic = new SortedDictionary <string, object>();
dic["appid"] = AppSettingHelper.AppId;
dic["secret"] = AppSettingHelper.SecretKey;
dic["code"] = code;
dic["grant_type"] = "authorization_code";
string tempurl = WXHelper.ToUrl(dic);
string url = AppSettingHelper.GetAccessTokeFromUrl + tempurl;
WCFClient.LoggerService.Info("UrlInfo:" + url);
string result = HttpService.Get(url);
Container.LogService.Error("GetOpenidInfoFromCode: " + result);
GetOpenIdResponse objResponse = PublicResource.JsonHelper.ConvertJsonStringToObject <GetOpenIdResponse>(result);
return(objResponse);
}
catch (Exception ex)
{
Container.LogService.Error(ex.ToString());
return(null);
}
}
/// <summary>
/// 页面初始化前
/// </summary>
protected override void OnPreInit(EventArgs e)
{
HttpCookie objCookie = HttpContext.Current.GetCookie(Constants.cookieName_UserInfo);
if (objCookie != null && objCookie.Values != null && !string.IsNullOrWhiteSpace(objCookie.Values["oi"]))
{
NameValueCollection nvc = objCookie.Values;
_openId = nvc["oi"].DoTrim();
_name = nvc["name"].DoTrim();
_weixinAccount = nvc["wa"].DoTrim();
_platformUserToken = nvc["pfut"].DoTrim();
_platformUserId = nvc["pfui"].DoTrim();
_phoneNumber = nvc["pn"].DoTrim();
}
else
{
WCFClient.LoggerService.Info("获取微信OpenId 开始");
string code = Request["code"];
string state = Request["state"];
if (string.IsNullOrEmpty(code))
{
if (string.IsNullOrWhiteSpace(ToUrl))
{
return;
}
string url = WXHelper.GetAuthorizeCodeUrl(true, ToUrl);
WCFClient.LoggerService.Info("获取微信OpenId URl" + url);
Response.Redirect(url);
}
else
{
GetOpenIdResponse ResponseWithOpenId = WXHelper.GetOpenidInfoFromCode(code);
WCFClient.LoggerService.Info("获取微信OpenId code" + code);
WCFClient.LoggerService.Info("获取微信OpenId state" + state);
if (ResponseWithOpenId != null)
{
try
{
_openId = ResponseWithOpenId.openid;
_name = ResponseWithOpenId.openid;
_weixinAccount = string.Empty;
_platformUserToken = string.Empty;
_platformUserId = string.Empty;
_phoneNumber = string.Empty;
WCFClient.LoggerService.Info("获取微信OpenId OpenId" + _openId);
NameValueCollection nvc = new NameValueCollection();
nvc["oi"] = _openId;
nvc["name"] = _name;
nvc["wa"] = _weixinAccount;
nvc["pfut"] = _platformUserToken;
nvc["pfui"] = _platformUserId;
nvc["pn"] = _phoneNumber;
HttpContext.Current.AddCookie(Constants.cookieName_UserInfo, nvc, null, HttpContext.Current.Request.Url.Host);
}
catch (Exception ex)
{
Container.LogService.Error(ex.ToString());
}
}
}
WCFClient.LoggerService.Info("获取微信OpenId 结束");
}
}