基于java平台设计--登陆
import java.net.*;import java.util.*;import java.io.*;public class ChatServer{public static void main(String[] args){Hashtable<String,DataOutputStream> userList = new Hashtable<String,DataOutputStream>();DataInputStream dis;DataOutputStream dos;String name; try{ServerSocket ss = new ServerSocket(9978);while(true){Socket s = ss.accept();dis = new DataInputStream(s.getInputStream());dos = new DataOutputStream(s.getOutputStream());name = dis.readUTF();userList.put(name,dos);new Server(name,userList,dis,dos).start();}}catch(Exception e){e.printStackTrace();}}}class ClientInformation{public static int num = 0;public static String desknum[] = new String[10]; public static String name[] = new String[10];public static String headicon[] = new String[10];}class Server extends Thread{private Hashtable<String,DataOutputStream> userList;private DataInputStream dis;private DataOutputStream dos;private DataOutputStream dos2;private String name;private String name2;private String info;private String iconstring;private String iconstring2;private String desknum;private String desknum2;private boolean judue = false;public Server(String name,Hashtable<String,DataOutputStream> userList,DataInputStream dis, DataOutputStream dos){this.name = name;this.dis = dis;this.userList = userList;this.dos = dos;}public void run(){try{if(ClientInformation.num > 0){String s = String.valueOf(ClientInformation.num);try{dos.writeUTF("comein");dos.writeUTF(s);for(int i = 0; i < ClientInformation.num; ++i){dos.writeUTF(ClientInformation.desknum[i]);dos.writeUTF(ClientInformation.name[i]);dos.writeUTF(ClientInformation.headicon[i]);}}catch(Exception e){e.printStackTrace(); }}transimitMessage(name+"进入大厅","服务器信息 ");while(true){info = dis.readUTF();if(info.equals("exit")){DataOutputStream dos = (DataOutputStream)(userList.get(name));dos.close();dis.close();userList.remove(name);Collection doses = userList.values();if(judue){for(int i = 0; i < ClientInformation.num; ++i){if(name == ClientInformation.name[i]){String Temp;Temp = ClientInformation.desknum[i];ClientInformation.desknum[i] = ClientInformation.desknum[ClientInformation.num - 1];ClientInformation.desknum[ClientInformation.num - 1] = Temp;Temp = ClientInformation.name[i];ClientInformation.name[i] = ClientInformation.name[ClientInformation.num - 1];ClientInformation.name[ClientInformation.num - 1] = Temp;Temp = ClientInformation.headicon[i];ClientInformation.headicon[i] = ClientInformation.headicon[ClientInformation.num-1];ClientInformation.headicon[ClientInformation.num - 1] = Temp;ClientInformation.num--;break;}}for(Object o:doses){dos = (DataOutputStream)o;try{dos.writeUTF("exit");dos.writeUTF(desknum);}catch(Exception e){e.printStackTrace();}}}transimitMessage(name+"退出大厅","服务器信息 ");break;}else if(info.equals("sit")){String OutPutString;desknum = dis.readUTF();iconstring = dis.readUTF();int DeskNum = Integer.parseInt(desknum);if(DeskNum <= 10){OutPutString = String.valueOf(DeskNum);desknum2 = String.valueOf(DeskNum + 10);}else{OutPutString = String.valueOf(DeskNum - 10);desknum2 = OutPutString;}transimitMessage_sit(name+"进入"+OutPutString+"号桌子","服务器信息 ");}else if(info.equals("move")){name2 = dis.readUTF();int H_YS =dis.readInt();int H_XS = dis.readInt();int B_YS = dis.readInt();int B_XS = dis.readInt();boolean Rule = dis.readBoolean();transimitMessageMove(H_YS, H_XS, B_YS, B_XS, Rule);}else if(info.equals("Chat")){name2 = dis.readUTF();String Chat = dis.readUTF();dos2 = userList.get(name2);try{dos2.writeUTF("Chat");dos2.writeUTF(Chat);}catch(Exception e){e.printStackTrace();}}else if(info.equals("Start")){name2 = dis.readUTF();dos2 = userList.get(name2);try{dos2.writeUTF("Start");} catch(Exception e) { e.printStackTrace(); }}}}catch(Exception e){e.printStackTrace();}}public void transimitMessage(String msg,String SeverInf){Collection doses = userList.values();DataOutputStream dos;for(Object o:doses){dos = (DataOutputStream)o;try{dos.writeUTF(SeverInf+":"+msg);}catch(Exception e){e.printStackTrace();}}}public void transimitMessage_sit(String msg,String SeverInf){try{Collection doses = userList.values();DataOutputStream Dos;int ZNum = ClientInformation.num;int DeskNum = Integer.parseInt(desknum);boolean Otherplayer = false;boolean JudgeDN = true;for(int i = 0; i < ZNum; ++i){if(desknum.equals(ClientInformation.desknum[i])){JudgeDN = false;break;}else if(desknum2.equals(ClientInformation.desknum[i])){Otherplayer = true;name2 = ClientInformation.name[i];iconstring2 = ClientInformation.headicon[i];dos2 = userList.get(name2);}}if(JudgeDN){if(Otherplayer){if(judue != true && name != name2){try{dos.writeUTF("play");dos.writeUTF(name2);dos.writeUTF(iconstring2);dos2.writeUTF("play");dos2.writeUTF(name);dos2.writeUTF(iconstring);}catch(Exception e){e.printStackTrace();}}}for(Object o:doses){Dos = (DataOutputStream)o;try{Dos.writeUTF(SeverInf+": "+msg);Dos.writeUTF(info);String Numstring = desknum;Dos.writeUTF(Numstring);Dos.writeUTF(name);Dos.writeUTF(iconstring);}catch(Exception e){e.printStackTrace();}}if(judue == true){for(int i = 0; i < ZNum; ++i){if(name == ClientInformation.name[i]){ClientInformation.desknum[i] = desknum;ClientInformation.name[i] = name;ClientInformation.headicon[i] = iconstring;}}}else{ClientInformation.desknum[ClientInformation.num] = desknum;ClientInformation.name[ClientInformation.num] = name;ClientInformation.headicon[ClientInformation.num] = iconstring;ClientInformation.num++; judue = true;}}}catch(Exception e){e.printStackTrace();}}public void transimitMessageMove(int H_YS, int H_XS, int B_YS, int B_XS, boolean Rule){dos2 = userList.get(name2);try{dos2.writeUTF("Move");dos2.writeInt(H_YS);dos2.writeInt(H_XS);dos2.writeInt(B_YS);dos2.writeInt(B_XS);dos2.writeBoolean(Rule);}catch(Exception e){e.printStackTrace();}}}