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package test;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.InetAddress;
import java.net.Socket;
//通过 java.net.Socket 类访问一个Web页面,并且返回结果
public class Test {
public static void main(String args1[])
{
//判断参数是否为两个,正确的用法为 FirstSocket 网站 页面
String[] args={"news.sina.com.cn","/"};//取新浪当前主页的数据
if(args.length!=2)
{
System.out.println("Usage : FirstSocket host page\r\nExample:FirstSocket www.google.com /");
System.exit(0);
}
String strServer=args[0]; //取得第一个参数
String strPage = args[1]; //取得第二个参数
try
{
String hostname = strServer;
int port = 80;
InetAddress addr = InetAddress.getByName(hostname);
Socket socket = new Socket(addr, port); //建立一个Socket
//发送命令
BufferedWriter wr = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream(), "UTF8"));
wr.write("GET " + strPage + " HTTP/1.0\r\n");
wr.write("HOST:" + strServer + "\r\n");
wr.write("\r\n");
wr.flush();
//接收返回的结果
BufferedReader rd = new BufferedReader(new InputStreamReader(socket.getInputStream()));
String line="";
StringBuffer buffer=new StringBuffer("");
while ((line = rd.readLine()) != null) {
buffer.append(line+"\n");
}
System.out.println(buffer.toString().split("\n\n")[1]);//这里主要是为了把上面无用数据去掉可能不合理。想想办法就好了。
wr.close();
rd.close();
}
catch (Exception e)
{
System.out.println(e.toString());
}
}
}