Unity3d Detect NetState

 1     public static bool HasConnection()
 2     {
 3         System.Net.WebClient client;
 4         System.IO.Stream stream;
 5         try
 6         {
 7             using (client = new System.Net.WebClient())
 8 
 9             using (stream = client.OpenRead(GameUrl.BaseUrl))
10             {
11                 return client.ResponseHeaders != null && client.ResponseHeaders.Count > 0;
12             }
13 
14         }
15         catch (Exception e)
16         {
17             return false;
18         }
19     }
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原文地址：https://www.cnblogs.com/chongxin/p/4208669.html