使用 HttpRequest Get和Post调用其他页面
昨天选课,虽然有一个排队系统。但是排队系统实在不怎么的啊。插队的有那么的多。有人做了插队工具下了一个看看,那是一个使用javascript实现的系统,整个只有一个页面。你可以在这里下载:/Files/lulu/xk.rar。它使用xmlHttpRequest向服务器发送请求。
js不太熟悉,发现HttpRequest功能差不多,用它试试啦。
但是不知道提交数据怎么组织,革命尚未成功但是还是学到了点东西,就在这了写下来了:
js不太熟悉,发现HttpRequest功能差不多,用它试试啦。
但是不知道提交数据怎么组织,革命尚未成功但是还是学到了点东西,就在这了写下来了:
//Get请求方式
private string RequestGet(string Url)
{
string PageStr = string.Empty;//用于存放还回的html
Uri url = new Uri(Url);//Uri类 提供统一资源标识符 (URI) 的对象表示形式和对 URI 各部分的轻松访问。就是处理url地址
try
{
HttpWebRequest httprequest = (HttpWebRequest)WebRequest.Create(url);//根据url地址创建HTTpWebRequest对象
#region 参数设置
httprequest.Method = "get";
//---------------------------------------------设定一些参数(不必要可以)
//httprequest.KeepAlive = false;//持久连接设置为false
//httprequest.ProtocolVersion = HttpVersion.Version11;// 网络协议的版本
//httprequest.Proxy = WebProxy.GetDefaultProxy();//服务器代理
//httprequest.ContentType = "application/x-www-form-urlencoded";//http 头
//httprequest.AllowAutoRedirect = true;
//httprequest.MaximumAutomaticRedirections = 10;
//httprequest.Timeout = 30000;//设定超时十秒(毫秒)
//httprequest.UserAgent = "mozilla/4.0 (compatible; msie 6.0; windows nt 5.1)"; //浏览器
//=================================================
#endregion
HttpWebResponse response = (HttpWebResponse)httprequest.GetResponse();//使用HttpWebResponse获取请求的还回值
Stream steam = response.GetResponseStream();//从还回对象中获取数据流
StreamReader reader = new StreamReader(steam, Encoding.GetEncoding("gb2312"));//读取数据Encoding.GetEncoding("gb2312")指编码是gb2312,不让中文会乱码的
PageStr = reader.ReadToEnd();
reader.Close();
}
catch (Exception e)
{
PageStr += e.Message;
}
return PageStr;
}
private string RequestGet(string Url)
{
string PageStr = string.Empty;//用于存放还回的html
Uri url = new Uri(Url);//Uri类 提供统一资源标识符 (URI) 的对象表示形式和对 URI 各部分的轻松访问。就是处理url地址
try
{
HttpWebRequest httprequest = (HttpWebRequest)WebRequest.Create(url);//根据url地址创建HTTpWebRequest对象
#region 参数设置
httprequest.Method = "get";
//---------------------------------------------设定一些参数(不必要可以)
//httprequest.KeepAlive = false;//持久连接设置为false
//httprequest.ProtocolVersion = HttpVersion.Version11;// 网络协议的版本
//httprequest.Proxy = WebProxy.GetDefaultProxy();//服务器代理
//httprequest.ContentType = "application/x-www-form-urlencoded";//http 头
//httprequest.AllowAutoRedirect = true;
//httprequest.MaximumAutomaticRedirections = 10;
//httprequest.Timeout = 30000;//设定超时十秒(毫秒)
//httprequest.UserAgent = "mozilla/4.0 (compatible; msie 6.0; windows nt 5.1)"; //浏览器
//=================================================
#endregion
HttpWebResponse response = (HttpWebResponse)httprequest.GetResponse();//使用HttpWebResponse获取请求的还回值
Stream steam = response.GetResponseStream();//从还回对象中获取数据流
StreamReader reader = new StreamReader(steam, Encoding.GetEncoding("gb2312"));//读取数据Encoding.GetEncoding("gb2312")指编码是gb2312,不让中文会乱码的
PageStr = reader.ReadToEnd();
reader.Close();
}
catch (Exception e)
{
PageStr += e.Message;
}
return PageStr;
}
//Post请求方式,于Get的方式写法相似,所以解释就些少一点了
private string RequestPost(string Url,string Context)//两个参数分别是Url地址和Post过去的数据
{
string PageStr=string.Empty;
Uri url = new Uri(Url);
byte[] reqbytes=Encoding.ASCII.GetBytes(Context);
try
{
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
req.Method = "post";
req.ContentType = "application/x-www-form-urlencoded";
req.ContentLength = reqbytes.Length;
Stream stm = req.GetRequestStream();
stm.Write(reqbytes, 0, reqbytes.Length);
stm.Close();
HttpWebResponse wr = (HttpWebResponse)req.GetResponse();
Stream stream = wr.GetResponseStream();
StreamReader srd= new StreamReader(stream,Encoding.GetEncoding("gb2312"));
PageStr += srd.ReadToEnd();
stream.Close();
srd.Close();
}
catch (Exception e)
{
PageStr += e.Message;
}
return PageStr;
}
{
string PageStr=string.Empty;
Uri url = new Uri(Url);
byte[] reqbytes=Encoding.ASCII.GetBytes(Context);
try
{
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
req.Method = "post";
req.ContentType = "application/x-www-form-urlencoded";
req.ContentLength = reqbytes.Length;
Stream stm = req.GetRequestStream();
stm.Write(reqbytes, 0, reqbytes.Length);
stm.Close();
HttpWebResponse wr = (HttpWebResponse)req.GetResponse();
Stream stream = wr.GetResponseStream();
StreamReader srd= new StreamReader(stream,Encoding.GetEncoding("gb2312"));
PageStr += srd.ReadToEnd();
stream.Close();
srd.Close();
}
catch (Exception e)
{
PageStr += e.Message;
}
return PageStr;
}