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官方文档解析：获取微信服务器IP地址
在上面的官方文档中我们可以直接在最浏览器里面进行测试例如：
请求访问这个地址，前提是已经获得了access_token的值上篇已获得：https://api.weixin.qq.com/cgi-bin/getcallbackip?access_token=ACCESS_TOKEN
| 是否必须 | 说明 | |
|---|---|---|
| access_token | 是 | 公众号的access_token |
C#代码（access_token的值见上一篇的获取方法）：
/// <summary>
/// 获取微信服务器的IP地址
/// </summary>
/// <returns></returns>
private string GetWechatIpAddress(string access_token)
{
string url_token = "https://api.weixin.qq.com/cgi-bin/getcallbackip?access_token=" + access_token;
HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(url_token);
myRequest.Method = "GET";
HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse();
StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);
string content = reader.ReadToEnd();
reader.Close();
return content;
}
正常情况下返回的json数据包我的如下：
{"ip_list":["101.226.62.77","101.226.62.78","101.226.62.79","101.226.62.80","101.226.62.81","101.226.62.82","101.226.62.83","101.226.62.84","101.226.62.85","101.226.62.86","101.226.103.59","101.226.103.60","101.226.103.61","101.226.103.62","101.226.103.63","101.226.103.69","101.226.103.70","101.226.103.71","101.226.103.72","101.226.103.73","140.207.54.73","140.207.54.74","140.207.54.75","140.207.54.76","140.207.54.77","140.207.54.78","140.207.54.79","140.207.54.80","182.254.11.203","182.254.11.202","182.254.11.201","182.254.11.200","182.254.11.199","182.254.11.198","59.37.97.100","59.37.97.101","59.37.97.102","59.37.97.103","59.37.97.104","59.37.97.105","59.37.97.106","59.37.97.107","59.37.97.108","59.37.97.109","59.37.97.110","59.37.97.111","59.37.97.112","59.37.97.113","59.37.97.114","59.37.97.115","59.37.97.116","59.37.97.117","59.37.97.118","112.90.78.158","112.90.78.159","112.90.78.160","112.90.78.161","112.90.78.162","112.90.78.163","112.90.78.164","112.90.78.165","112.90.78.166","112.90.78.167","140.207.54.19","140.207.54.76","140.207.54.77","140.207.54.78","140.207.54.79","140.207.54.80","180.163.15.149","180.163.15.151","180.163.15.152","180.163.15.153","180.163.15.154","180.163.15.155","180.163.15.156","180.163.15.157","180.163.15.158","180.163.15.159","180.163.15.160","180.163.15.161","180.163.15.162","180.163.15.163","180.163.15.164","180.163.15.165","180.163.15.166","180.163.15.167","180.163.15.168","180.163.15.169","180.163.15.170","101.226.103.0\/25","101.226.233.128\/25","58.247.206.128\/25","182.254.86.128\/25","103.7.30.21","103.7.30.64\/26","58.251.80.32\/27","183.3.234.32\/27","121.51.130.64\/27"]}
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原文地址：http://www.cnblogs.com/professional-NET/p/5665393.html
