如何用java取得http页面？

Question

介绍你看一篇文章http://www.javayou.com/article/httpclient.htmlhttp://www.javayou.com

Answer 1

public void ReadURL(String strURL)
{
try
{
int iHttpResult;
URL m_URL=new URL(strURL);
URLConnection m_URLConn=m_URL.openConnection();
m_URLConn.connect();
HttpURLConnection m_HttpConn=(HttpURLConnection)m_URLConn;
iHttpResult=m_HttpConn.getResponseCode();
if(iHttpResult!=HttpURLConnection.HTTP_OK)
JOptionPane.showMessageDialog(this,"无法连接...");
else
{
int iFileSize=m_URLConn.getContentLength();
InputStreamReader m_Reader=new InputStreamReader(m_URLConn.getInputStream());
char[] Buffer=new char[2048];
int iNum=0;
while(iNum>-1)
{
iNum=m_Reader.read(Buffer);
if(iNum<0)break;
//JOptionPane.showMessageDialog(this,new String(Buffer,0,iNum));
}
m_Reader.close();
}
}
catch(Exception e)
{
JOptionPane.showMessageDialog(this,e.getMessage());
}
}

Answer 2

模拟登陆可以按Post或者Get方法访问URL.参考http://blog.csdn.net/gjd111686/