/// <summary>
/// 获取 openid
/// </summary>
/// <param name="appId">微信公众号应用唯一标识</param>
/// <param name="appSecret">微信公众号应用密钥（注意保密）</param>
/// <param name="code">获取到的 code</param>
/// <returns>openid</returns>
public static String getOpenId(String appId, String appSecret, String code)
{
String url = WxPubUtils.createOauthUrlForOpenid(appId, appSecret, code);
String ret = GetRequest(url);
OAuthResult oAuthResult = Mapper <OAuthResult> .MapFromJson(ret);
return(oAuthResult.Openid.ToString());
}
/// <summary>
/// 生成获取 openid 的 URL 地址
/// </summary>
/// <param name="appId">微信公众号应用唯一标识</param>
/// <param name="appSecret">微信公众号应用密钥（注意保密）</param>
/// <param name="code">获取到的 code</param>
/// <returns>获取 openid 的 URL 地址</returns>
private static String createOauthUrlForOpenid(String appId, String appSecret, String code)
{
Dictionary <String, String> data = new Dictionary <String, String>();
data.Add("appid", appId);
data.Add("secret", appSecret);
data.Add("code", code);
data.Add("grant_type", "authorization_code");
String queryString = WxPubUtils.httpBuildQuery(data);
return(string.Format("https://api.weixin.qq.com/sns/oauth2/access_token?{0}", queryString));
}
/// <summary>
/// 用于生成获取授权 code 的 URL 地址，此地址用于用户身份鉴权，获取用户身份信息，同时重定向到 redirect_url
/// </summary>
/// <param name="appId">微信公众号应用唯一标识</param>
/// <param name="redirectUrl">
/// 授权后重定向的回调链接地址，重定向后此地址将带有授权code参数，该地址的域名需在微信公众号平台上进行设置，
/// 步骤为：登陆微信公众号平台 开发者中心 网页授权获取用户基本信息 修改
/// </param>
/// <param name="moreInfo">
/// FALSE 不弹出授权页面,直接跳转,这个只能拿到用户openid
/// TRUE 弹出授权页面,这个可以通过 openid 拿到昵称、性别、所在地
/// </param>
/// <returns>用于获取授权 code 的 URL 地址</returns>
public static String createOauthUrlForCode(String appId, String redirectUrl, Boolean moreInfo)
{
Dictionary <String, String> data = new Dictionary <String, String>();
data.Add("appid", appId);
data.Add("redirect_uri", redirectUrl);
data.Add("response_type", "code");
data.Add("scope", moreInfo ? "snsapi_userinfo" : "snsapi_base");
data.Add("state", "STATE#wechat_redirect");
String queryString = WxPubUtils.httpBuildQuery(data);
return("https://open.weixin.qq.com/connect/oauth2/authorize?" + queryString);
}
/// <summary>
/// 生成微信公众号 jsapi_ticket
/// </summary>
/// <param name="appId">微;\信公众号应用唯一标识</param>
/// <param name="appSecret">微信公众号应用密钥（注意保密）</param>
/// <returns>Ticket</returns>
public static String getJsapiTicket(String appId, String appSecret)
{
Dictionary <String, String> data = new Dictionary <String, String>();
data.Add("appid", appId);
data.Add("secret", appSecret);
data.Add("grant_type", "client_credential");
String queryString = WxPubUtils.httpBuildQuery(data);
String accessTokenUrl = "https://api.weixin.qq.com/cgi-bin/token?" + queryString;
String resp = GetRequest(accessTokenUrl);
var jObject = JObject.Parse(resp);
data.Clear();
data.Add("access_token", jObject.GetValue("access_token").ToString());
data.Add("type", "jsapi");
queryString = WxPubUtils.httpBuildQuery(data);
String jsapiTicketUrl = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?" + queryString;
resp = GetRequest(jsapiTicketUrl);
var ticket = JObject.Parse(resp);
return(ticket.GetValue("ticket").ToString());
}
