C# 常用公共方法

1.后台调用weburl

string hostUrl = "http://www.a.com?id=123" ;
HttpWebRequest myReq = (HttpWebRequest)WebRequest.Create(hostUrl);
myReq.Method = "GET";

HttpWebResponse HttpWResp = (HttpWebResponse)myReq.GetResponse();
Stream myStream = HttpWResp.GetResponseStream();
StreamReader sr = new StreamReader(myStream, Encoding.UTF8);
StringBuilder strBuilder = new StringBuilder();
while (-1 != sr.Peek())
{
strBuilder.Append(sr.ReadLine());
}
sr.Close();
myStream.Close();
HttpWResp.Close();

Newtonsoft.Json.Linq.JObject jo = (Newtonsoft.Json.Linq.JObject)Newtonsoft.Json.JsonConvert.DeserializeObject(strBuilder.ToString());
string resCode = jo["ReturnCode"].ToString();

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