/// <summary>
/// 获取AccessToken
/// </summary>
/// <param name="AppID"></param>
/// <param name="AppSecret"></param>
/// <returns></returns>
public static string GetAccessToken(string AppID, string AppSecret)
{
JavaScriptSerializer Jss = new JavaScriptSerializer();
string respText = CommonMethod.WebRequestPostOrGet(string.Format("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={0}&secret={1}", AppID, AppSecret), "");
Dictionary <string, object> respDic = (Dictionary <string, object>)Jss.DeserializeObject(respText);
string accessToken = respDic["access_token"].ToString();
return(accessToken);
}
/// <summary>
/// 调用微信接口获取带参数永久二维码的ticket
/// 使用方法：https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket=TICKET
/// </summary>
/// <param name="scene_id">二维码带的参数</param>
/// <returns>json:ticket:换取二维码的凭证，expire_seconds:凭证有效时间，url:二维码解析后的地址。此处返回ticket 否则返回错误码</returns>
public string GetQrcode(string appid, string appsecret, string scene_str)
{
string QrcodeUrl = "https://api.weixin.qq.com/cgi-bin/qrcode/create?access_token={0}"; //WxQrcodeAPI接口
string AccessToken = BasicApi.GetAccessToken(appid, appsecret); //拉取AccessToken
QrcodeUrl = string.Format(QrcodeUrl, AccessToken);
string PostJson = "{\"expire_seconds\": 1800, \"action_name\": \"QR_LIMIT_STR_SCENE\", \"action_info\": {\"scene\": {\"scene_str\": " + scene_str + "}}}";
string ReText = CommonMethod.WebRequestPostOrGet(QrcodeUrl, PostJson);//此处省略了 WebRequestPostOrGet即为WebHttpRequest发送Post请求
Dictionary <string, object> reDic = (Dictionary <string, object>)Jss.DeserializeObject(ReText);
if (reDic.ContainsKey("ticket"))
{
return(reDic["ticket"].ToString());//成功
}
else
{
return(reDic["errcode"].ToString());//返回错误码
}
}
