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微信扫描二维码关注公众号并成为下级

一、微信公众号配置“服务器配置”

二、生成带标识符的二维码

1. 生成AccessToken

/// <summary>
/// 获取token
/// </summary>
/// <returns></returns>
public static Response_AccessToken GetToken()
{var url = "";Dictionary<string, string> dict = new Dictionary<string, string>();dict.Add("appid", appId);dict.Add("secret", secret);dict.Add("grant_type", "client_credential");return HttpGet<Response_AccessToken>(dict, url);
}/// <summary>
/// 获取token参数
/// </summary>
public class Response_AccessToken : Response_Error
{/// <summary>/// 网页授权接口调用凭证/// </summary>public string access_token { get; set; }/// <summary>/// access_token接口调用凭证超时时间,单位(秒)/// </summary>public string expires_in { get; set; }/// <summary>/// 用户刷新access_token/// </summary>public string refresh_token { get; set; }/// <summary>/// 用户唯一标识,在未观众公众号时,用户访问公众号的网页,也会产生一个用户和公众号唯一的openid/// </summary>public string openid { get; set; }/// <summary>/// 用户授权的作用域,使用逗号分隔/// </summary>public string scope { get; set; }
}

2. 生成Ticket

  • 2.1 临时Ticket,标识符为int
/// <summary>
/// 生成永久Ticket
/// </summary>
/// <returns></returns>
public static Response_Ticket CreatePermanentTicket(string token)
{var url = "=" + token;JObject data = new JObject();data.Add("action_name", "QR_SCENE");data.Add("action_info", JObject.FromObject(new Request_Ticket_Info{scene = new{scene_id = 123 // 目前参数只支持1--100000},}));return WebService.HttpPost<Response_Ticket>(data.ToString(), url);
}
  • 2.2 永久Ticket,标识符为int
/// <summary>
/// 生成永久Ticket
/// </summary>
/// <returns></returns>
public static Response_Ticket CreatePermanentTicket(string token)
{var url = "=" + token;JObject data = new JObject();data.Add("action_name", "QR_LIMIT_SCENE");data.Add("action_info", JObject.FromObject(new Request_Ticket_Info{scene = new{scene_id = 123 // 目前参数只支持1--100000},}));return WebService.HttpPost<Response_Ticket>(data.ToString(), url);
}
  • 2.3 临时Ticket,标识符为string
/// <summary>
/// 生成永久Ticket
/// </summary>
/// <returns></returns>
public static Response_Ticket CreatePermanentTicket(string token)
{var url = "=" + token;JObject data = new JObject();data.Add("action_name", "QR_STR_SCENE");data.Add("action_info", JObject.FromObject(new Request_Ticket_Info{scene = new{scene_str = "标识符"},}));return WebService.HttpPost<Response_Ticket>(data.ToString(), url);
}
  • 2.4 永久Ticket,标识符为string
/// <summary>
/// 生成永久Ticket
/// </summary>
/// <returns></returns>
public static Response_Ticket CreatePermanentTicket(string token)
{var url = "=" + token;JObject data = new JObject();data.Add("action_name", "QR_LIMIT_STR_SCENE");data.Add("action_info", JObject.FromObject(new Request_Ticket_Info{scene = new{scene_str = "标识符"},}));return WebService.HttpPost<Response_Ticket>(data.ToString(), url);
}
  • 请求返回结果
/// <summary>
/// 请求返回结果
/// </summary>
public class Response_Ticket
{/// <summary>/// 获取的二维码ticket,凭借此ticket可以在有效时间内换取二维码。/// </summary>public string ticket { get; set; }/// <summary>/// 二维码的有效时间,以秒为单位。最大不超过1800。/// 永久时没有此项/// </summary>public int expire_seconds { get; set; }/// <summary>/// 二维码图片解析后的地址,开发者可根据该地址自行生成需要的二维码图片/// </summary>public string url { get; set; }
}

3. 生成二维码

/// <summary>
/// Ticket 换 二维码
/// </summary>
/// <param name="ticket"></param>
/// <returns></returns>
public static string TicketChangeQRCode(string ticket)
{var ticket = HttpUtility.UrlEncode(ticket, Encoding.UTF8);return "=" + ticket;
}
  • 返回的数据时二维码,扫描后跳转到公众号的关注页(如果已经关注,则跳转到公众号首页),用户关注公众号,可以在关注信息中查询到标识符

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