Пример #1
0
  // 聊天的信息
  public String send() {
    user = (User) session.get(AuthenticationInterceptor.USER_SESSION_KEY);
    Hashtable roomKey = (Hashtable) application.get("roomKey");
    // 使用roomKey对应的用户所对应的roomid+"chatKey"字符创作为聊天内容list的键
    String chatKey = (String) roomKey.get(user.getUsername()) + "chatKey";
    Vector vChat = (Vector) application.get(chatKey);
    // 获取聊天信息
    String sContent = this.Content;
    String sTo = this.To;
    String sAction = this.Action;
    // 判断聊天内容是否为空,如果不为空就将聊天信息保存到Vector对象中
    if (sContent != null && sContent != "") {

      String sTotal =
          "<font color=blue>"
              + user.getUsername()
              + "</font> "
              + sAction
              + " 对 <font color=red>"
              + sTo
              + "</font> 说:"
              + sContent
              + "<br>";
      vChat.add(sTotal);
    }
    return "send";
  }
Пример #2
0
 // 刷新用户信息
 public String userinfo() {
   user = (User) session.get(AuthenticationInterceptor.USER_SESSION_KEY);
   Hashtable roomKey = (Hashtable) application.get("roomKey");
   // 使用roomKey对应的用户所对应的roomid作为用户list的键
   String userKey = (String) roomKey.get(user.getUsername());
   // 构建一个Hashtable对象,以存储在线用户信息
   Hashtable userList = (Hashtable) application.get(userKey);
   // 将当前登录用户信息添加到在线用户列表中
   userList.put(user.getUsername(), user.getUsername() + "**" + user.getSex() + "***");
   application.put(userKey, userList);
   return "userinfo";
 }
Пример #3
0
 // 实现roomkey userList vChat 的初始化
 public String execute() throws Exception {
   user = (User) session.get(AuthenticationInterceptor.USER_SESSION_KEY);
   // 将房间的roomid设到application中
   Hashtable roomKey = (Hashtable) application.get("roomKey");
   if (roomKey == null) {
     roomKey = new Hashtable();
   }
   if (chatcounts != null) {
     roomKey.put(user.getUsername(), chatcounts);
     application.put("roomKey", roomKey);
   }
   // 使用roomKey对应的用户所对应的roomid作为用户list的键
   String userKey = (String) roomKey.get(user.getUsername());
   // 构建一个Hashtable对象,以存储在线用户信息
   Hashtable userList = (Hashtable) application.get(userKey);
   if (userList == null) {
     userList = new Hashtable();
   }
   // 将当前登录用户信息添加到在线用户列表中
   userList.put(user.getUsername(), user.getUsername() + "**" + user.getSex() + "***");
   application.put(userKey, userList);
   // 使用roomKey对应的用户所对应的roomid+"chatKey"字符创作为聊天内容list的键
   String chatKey = (String) roomKey.get(user.getUsername()) + "chatKey";
   Vector vChat = (Vector) application.get(chatKey);
   if (vChat == null) {
     vChat = new Vector();
   }
   // 将用户进入聊天室的消息加入聊天信息中
   String sWel = "<font color=red>" + user.getUsername() + "</font> 进入了聊天室!<br>";
   vChat.add(sWel);
   application.put(chatKey, vChat);
   return "success";
 }
Пример #4
0
 public String logout() {
   user = (User) session.get(AuthenticationInterceptor.USER_SESSION_KEY);
   Hashtable roomKey = (Hashtable) application.get("roomKey");
   // 使用roomKey对应的用户所对应的roomid作为用户list的键
   String userKey = (String) roomKey.get(user.getUsername());
   String chatKey = userKey + "chatKey";
   Hashtable userList = (Hashtable) application.get(userKey);
   // 在线用户列表删除当前用户
   userList.remove(user.getUsername());
   // 更新用户application中的列表
   application.put(userKey, userList);
   // 发消息表明当前用户已经离开聊天室
   Vector vChat = (Vector) application.get(chatKey);
   String slogout = "<font color=red>" + user.getUsername() + "</font> 离开了聊天室!<br>";
   vChat.add(slogout);
   System.out.println(userList.size());
   if (userList.size() == 0) {
     userList.clear();
     vChat.clear();
   }
   return "logout";
 }