Java-QQ-源程序代码.doc

import .*;
import .*;
import .*;
import .*;
public class QQServer {
public static void main(String args[]) {
try {
//用户名同步(14)
HashMap<String , Socket> hm = new HashMap<String , Socket>() ;
// 服务器在8000端口监听(1)
ServerSocket ss = new ServerSocket(8000);
while (true) {
("服务器正在8000端口监听.....");
Socket s = ();
MyService t = new MyService();
(s);
(hm) ;
();
}
} catch (Exception e) {
}
}
}
// 支持多用户登陆(13)
class MyService extends Thread {
private Socket s;
private HashMap<String , Socket> hm ;
public void setHashMap(HashMap<String , Socket> hm) {
= hm ;
}
public void setSocket(Socket s) {
= s;
}
public void run() {
try {
// 接收客户端发送来的用户名和密码(2)
InputStream is = ();
InputStreamReader isr = new InputStreamReader(is);
BufferedReader br = new BufferedReader(isr);
String uandp = ();
// 拆分(4)
String u = ("%")[0];
String p = ("%")[1];
// 到数据库中验证(5)
("");
= (
"jdbc:sqlserver://:1433;databasename=wy", "sa",
"123");
PreparedStatement ps = cn
.prepareStatement("select * from username where username=? and password=?");
(1, u);
(2, p);
ResultSet rs = ();
// 发送确认信息回客户端(7)
Output