关于HttpURLConnection发送Post请求

[inrunlxf]

我写了如下一段代码：

try {
String s="username=admin&password=123";
URL url=new URL("http://127.0.0.1:8080/myweb/servlet/Mytest");
HttpURLConnection httpurlconnection = null;
httpurlconnection = (HttpURLConnection)url.openConnection();

httpurlconnection.setUseCaches(false);
httpurlconnection.setDefaultUseCaches(false);
httpurlconnection.setDoOutput(true);
httpurlconnection.setDoInput(true);
httpurlconnection.setRequestMethod("POST");
httpurlconnection.setRequestProperty("Accept", "text/html");
httpurlconnection.setRequestProperty("Content-type", "text/html");
httpurlconnection.setRequestProperty("Connection", "close");
httpurlconnection.setRequestProperty("Content-Length", String.valueOf(s.length()));
/**/
OutputStream outputstream = httpurlconnection.getOutputStream();
outputstream.write(s.getBytes());
outputstream.flush();

int code = httpurlconnection.getResponseCode();
if(code != HttpURLConnection.HTTP_OK )
{
System.out.println("error code "+ code);

}
else
{
System.out.println("ok");
}



}catch(Exception e){e.printStackTrace();}

}


执行没有问题，但是在servlet"http://127.0.0.1:8080/myweb/servlet/Mytest"中，request.getParameter("username")却是null.不知道为什么，请帮小弟看看

[inrunlxf]

try {
String s="username=admin&password=123";
URL url=new URL("http://127.0.0.1:8080/myweb/servlet/Mytest");
HttpURLConnection httpurlconnection = null;
httpurlconnection = (HttpURLConnection)url.openConnection();

httpurlconnection.setUseCaches(false);
httpurlconnection.setDefaultUseCaches(false);
httpurlconnection.setDoOutput(true);
httpurlconnection.setDoInput(true);
httpurlconnection.setRequestMethod("POST");
httpurlconnection.setRequestProperty("Accept", "text/html");
httpurlconnection.setRequestProperty("Content-type", "text/html");
httpurlconnection.setRequestProperty("Connection", "close");
httpurlconnection.setRequestProperty("Content-Length", String.valueOf(s.length()));
/**/
OutputStream outputstream = httpurlconnection.getOutputStream();
outputstream.write(s.getBytes());
outputstream.flush();

int code = httpurlconnection.getResponseCode();
if(code != HttpURLConnection.HTTP_OK )
{
System.out.println("error code "+ code);

}
else
{
System.out.println("ok");
}



}catch(Exception e){e.printStackTrace();}

}

[笑天狂客]

关注。。。。

[yshgfly]

把http://127.0.0.1:8080/myweb/servlet/Mytest改为http://127.0.0.1:8080/myweb/servlet/Mytest&username=admin&password=123

[WintelZhao]

发送Post请求只能想楼上说的那样，但这样就暴露了。换方法吧。