1、服务器端代码：
//: JabberServer.java
// Very simple server that just
// echoes whatever the client sends.
import java.io.*;
import java.net.*;
public class JabberServer {
// Choose a port outside of the range 1-1024:
public static final int PORT = 8080;
public static void main(String[] args)
throws IOException {
ServerSocket s = new ServerSocket(PORT);
System.out.println("Started: " + s);
try {
// Blocks until a connection occurs:
Socket socket = s.accept();
InputStream input = null;
try {
System.out.println(
"Connection accepted: "+ socket);
input = new FileInputStream(new File("G:/iHasher-v0.2.exe"));
byte[] buf = new byte[1024];
int bytesRead;
InputStream in = socket.getInputStream();
byte[] buf1 = new byte[6];
int bytesRead1;
OutputStream out = socket.getOutputStream();
String str = "";
while( ( bytesRead1 = in.read(buf1)) != -1) {
str = new String(buf1);
System.out.println("服务器端收到的数据：" + str);
break;
}
if (!str.equals("123456")) {
System.out.println("密码不对！");
return;
}
while ((bytesRead = input.read(buf)) > 0) {
out.write(buf,0,bytesRead);
}
// Always close the two sockets...
} finally {
System.out.println("closing...");
socket.close();
input.close();
}
} finally {
s.close();
}
}
} ///:~客户端代码：
//: JabberClient.java
// Very simple client that just sends
// lines to the server and reads lines
// that the server sends.
import java.net.*;
import java.io.*;
public class JabberClient {
public static void main(String[] args)
throws IOException {
InetAddress addr =
InetAddress.getByName("192.168.0.199");
System.out.println("addr = " + addr);
Socket socket =
new Socket(addr, 8080);
OutputStream output = null;
try {
System.out.println("socket = " + socket);
OutputStream out = socket.getOutputStream();
InputStream in = socket.getInputStream();
output = new FileOutputStream(new File("c:/iHash.exe"));
byte[] buf = new byte[1024];
int byteRead;
out.write("123456".getBytes());
while ((byteRead = in.read(buf)) > 0) {
output.write(buf,0,byteRead);
}
} finally {
System.out.println("closing...");
socket.close();
output.close();
}
}
} ///:~当客户端密码正确时，会把服务器端的相应文件下载到本地。
