URL 发送post请求

dealover 04-11-25

dealover
2004-11-25 16:22



public static void send(){
java.net.URL url = null;
java.net.URLConnection conn = null;
java.io.InputStream in = null;
java.io.ByteArrayOutputStream bStream = null;
try {
url = new URL("http://172.16.0.28/app/SysServlet?");
conn = (HttpURLConnection) url.openConnection();
conn.setDoOutput(true);
DataOutputStream Out=new DataOutputStream(conn.getOutputStream());
Out.write(
"message".getBytes());
java.io.InputStream is = conn.getInputStream();
is.close();
Out.flush();
Out.close();
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

}

dealover
2004-11-25 16:25

我用send方法发送一个get或者post请求,请求可以到达图里边的servlet类,但是并不能执行onload和input中的转向操作,如果我不用java类中的URL做请求直接在浏览器中输入地址是可以成功执行的.