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import java.net.*;
public class ParseURL {
public static void main(String[] args) throws MalformedURLException{
URL url = new URL("http://www.100jq.com:45175/default.aspx");
System.out.println("ЭÒéÊÇ "+url.getProtocol());
System.out.println("Ö÷»úÊÇ "+url.getHost());
System.out.println("ÎļþÃûÊÇ "+url.getFile());
System.out.println("¶Ë¿ÚºÅÊÇ "+url.getPort());
}}
/*
URLÕâ¸ö¶ÔÏóÖÐÌṩÁ˺ܶ෽·¨ÏñÊÇ
getProtocol()
getHost()
getFile()
getPort()
*/
ÎÒÃÇ¿ÉÒÔͨ¹ýURL¶ÔÎļþ»ò×ÊÔ´¶ÁÈ¡£¬Ò²¿ÉÒÔͨ¹ýURLConnection¶ÁÈ¡£¬Ò²¿ÉÒÔͨ¹ýÕâ¸öдÈëÊý¾ÝÏÞÓÚcgi½Å±¾¡£
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import java.net.*;
import java.io.*;
public class URLConnectionReader {
public static void main(String[] args) throws IOException {
URL google = new URL("http://www.100jq.com/");
URLConnection g = google.openConnection();
BufferedReader in = new BufferedReader(new InputStreamReader(g.getInputStream()));
String inputLine;
while ((inputLine=in.readLine())!=null)
System.out.println(inputLine);
in.close();
}
}
URLºÍURLConnectionÀàÌṩÁ˽ϸ߲ã´ÎµÄÍøÂç·ÃÎÊ¡£ÓÐʱºòÐèÒª½øÐнϵͲã´ÎµÄ·ÃÎÊ¡£±àдC/SÄ£Ð͵ijÌÐòʱ£¬¾ÍҪʹÓÃSocketͨÐÅ»úÖÆÁË¡£ÒòΪÔÚÍøÂçÉϲ»Ò»¶¨·ÇµÃ·ÃÎÊÎļþ¡£
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import java.net.*;
import java.io.*;
public class SimpleClient {
public static void main(String args[]) {
try {
// ÔÚ5432¶Ë¿Ú´ò¿ª·þÎñÆ÷Á¬½Ó
// ÔÚÕâÀïÓÃlocalhostÓë127.0.0.1ÊÇÒ»¸öÒâ˼
Socket s1 = new Socket("127.0.0.1", 5432);
// ¶ÔÕâ¸ö¶Ë¿ÚÁ¬½ÓÒ»¸öreader,×¢Òâ¶Ë¿Ú²»Äܹ»Õ¼ÓñðµÄ
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package JFFileEncrypt;
import java.security.Key;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import javax.crypto.KeyGenerator;
import javax.crypto.spec.SecretKeySpec;
/**
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 * @author jiangfeng
 *
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