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c# 解决不带参数的POST字符串

来源：网络整理时间：2023/2/14 0:05:06 共 3667 浏览

StringBuilder str = new StringBuilder();
str.Append("<?xml version='1.0' encoding='UTF-8' ?>");
str.Append("<req>");
str.Append("<head>");
str.AppendFormat("<user>{0}</user>", "333333");
str.AppendFormat("<pwd>{0}</pwd>", "dsafdafdafdafdafdafdafdafd");
str.AppendFormat("<cmd>{0}</cmd>", "post");
str.Append("</head>");
str.Append("<ad>");
str.AppendFormat("<time_start>{0}</time_start>", DateTime.Now.ToShortDateString().Replace("/", "-"));
str.AppendFormat("<time_expire>{0}</time_expire>", DateTime.Now.AddDays(2).ToShortDateString().Replace("/", "-"));
str.AppendFormat("<time_zone>{0}</time_zone>", "9,18");
str.AppendFormat("<start>{0}</start>", 1);
str.AppendFormat("<content>{0}</content>", "您可以用 winrar 解压开来安装也可以用虚拟光盘之类的来安装.");

//str.AppendFormat("<content>{0}</content>", "how do you do.");
str.Append("</ad>");
str.AppendFormat("<number>{0}</number>", "150********,155*******,133*******");
str.Append("</req>");
textBox2.Text = str.ToString();

Stream outstream = null;
Stream instream = null;
StreamReader sr = null;
HttpWebResponse response = null;
HttpWebRequest request = null;
// 要注意的这是这个编码方式，还有内容的Xml内容的编码方式
Encoding encoding = Encoding.GetEncoding("UTF-8");
byte[] data = encoding.GetBytes(str.ToString());

// 准备请求,设置参数
request = WebRequest.Create("http://www.ejk5.com") as HttpWebRequest;
request.Method = "POST";
request.ContentType = "application/octet-stream";
//request.ContentLength = data.Length;

outstream = request.GetRequestStream();
outstream.Write(data, 0, data.Length);
outstream.Flush();
outstream.Close();
//发送请求并获取相应回应数据

response = request.GetResponse() as HttpWebResponse;
//直到request.GetResponse()程序才开始向目标网页发送Post请求
instream = response.GetResponseStream();

sr = new StreamReader(instream, encoding);
//返回结果网页(html)代码

string content = sr.ReadToEnd();
textBox1.Text = content;

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