Java课程设计(qq聊天程序).ppt

MiniQQ,tian_jx,UsingJava设计文档可视化多方通信好友维护聊天记录开发文档、总结报告,登录窗口注册窗口好友列表聊天窗口查找/添加好友聊天记录对话框(登录失败、注册成功、注册失败确认删除、错误提示等),登录窗口,注册,查找好友,好友列表,查找结果,聊天窗口,聊天记录,PackagesServer登录验证注册服务好友维护聊天组维护在线用户维护消息转发异常处理.,Client各个窗口好友维护聊天记录维护活动窗口维护异常处理.,Multi-ThreadSocket-ServerSocketI/OStreamJDBC(FilesR/W),创建Thread的子类，并覆盖run()方法实现Runnable接口,publicclassChatServerArrayListclients=newArrayList();publicstaticvoidmain(Stringargs)newChatServer().begin();publicvoidbegin()ss=newServerSocket(8888);Sockets=ss.accept();Clientc=newClient(s);newThread(c).start();clients.add(c);,classClientimplementsRunnable/ChatServer内部类privateSockets;privateDataInputStreamdis=null;privateDataOutputStreamdos=null;publicClient(Sockets)this.s=s;dis=newDataInputStream(s.getInputStream();dos=newDataOutputStream(s.getOutputStream();publicvoidsend(Stringstr)dos.writeUTF(str);publicvoidrun()Stringstr=dis.readUTF();for(inti=0;iSHOWDATABASES;2:创建一个数据库MYSQLDATAmysqlCREATEDATABASEMYSQLDATA;3:选择你所创建的数据库mysqlUSEMYSQLDATA;(按回车键出现Databasechanged时说明操作成功！)4:查看现在的数据库中存在什么表mysqlSHOWTABLES;5:创建一个数据库表mysqlCREATETABLEMYTABLE(nameVARCHAR(20),sexCHAR(1);6:显示表的结构：mysqlDESCRIBEMYTABLE;,7:往表中加入记录mysqlinsertintoMYTABLEvalues(hyq,M);8:用文本方式将数据装入数据库表中（例如D:/mysql.txt）mysqlLOADDATALOCALINFILED:/mysql.txtINTOTABLEMYTABLE;9:导入.sql文件命令（例如D:/mysql.sql）mysqlusedatabase;mysqlsourced:/mysql.sql;10:删除表mysqldropTABLEMYTABLE;11:清空表mysqldeletefromMYTABLE;12:更新表中数据mysqlupdateMYTABLEsetsex=fwherename=hyq;,MySQL-frontNavicatSQLyogmysql-workbench,userIDnamepasswordregDate.,friendshipIDuser_IDfriend_IDtypefrdDate.,recordIDuser_IDfriend_IDotherinfo.,LoginfriendListfriendManagementchatWindowgroupManagementchatRecord,Login.java,btnLogin.addActionListener(newActionListener()publicvoidactionPerformed(ActionEvente)booleanchecked=server.verify(this.getuser(),this.password();/登录验证if(checked)newfriendsWindow();loginFrame.setVisible(false);/loginFrame.dispose();else.);,listFriend()/server.java,Statements=conn.createStatement();ResultSetrs=s.executeQuery(,friendship.type+fromuser,friendship+whereuser.ID=friendship.friend_ID+ANDfriendship.user_ID=+this.getUserID()+);while(rs.next()inttype=rs.getInt(type);swith(type)case0:/friendNode.add(current);case1:/strangeNode.add(current);default:/blacklistNode.add(current);,每一个chatWindow对应一个线程所有chatWindow按照组进行分类，并且由server负责维护讨论组每个讨论组里面都应该有一个数据结构(list)维护组里的窗口,服务器收发消息时向数据库中插入聊天记录，或者本地维护另一个数据库，在本地插入聊天记录采用文本文件保存聊天记录时，可以以对方用户名/ID为文件名分别保存不同对象的聊天记录,privateBufferedReaderinputStream=null;privateBufferedWriteroutputStream=null;privateStringBuildersb=newStringBuilder();privateStringfile;privateintline=0;/numberzeroprivatestaticSimpleDateFormats=newSimpleDateFormat(yyyy-MM-dd);/格式化日期使用,publicclassFileManagerpublicFileManager(StringuserID,StringfriendID)checkExsit(userID,friendID);run();privatevoidcheckExsit(StringuserID,StringfriendID)/*检查用户聊天记录文件夹路径存在否，*userID为当前用户，friendID为好友*/Filef=newFile(System.getProperties().getProperty(user.dir)+chatLog/+userID);if(!f.exists()f.mkdirs();file=f.getAbsolutePath()+/+friendID+.txt;f=newFile(file);if(!f.exists()/*检查聊天记录文件有无*/tryf.createNewFile();catch(IOExceptione)e.printStackTrace();,publicvoidrun()tryinputStream=newBufferedReader(newFileReader(file);Stringl;while(l=inputStream.readLine()!=null)line+;sb.append(l+System.getProperty(line.separator);catch(FileNotFoundExceptione)e.printStackTrace();catch(IOExceptione)e.printStackTrace();finallyif(inputStream!=null)tryinputStream.close();catch(IOExceptione)e.printStackTrace();,/获取当前日期.格式为2009-02-02privatestaticStringgetDate()Datedate=newDate();return+s.format(date)+;/清除记录publicvoidremoveMsg()line=0;sb.delete(0,getString().length();,/保存聊天记录.publicvoidsave(Stringmsg)StringnewMsg=msg;/加入当前日期.if(msg.trim().length()!=0)newMsg=getDate()+System.getProperty(line.separator)+-+System.getProperty(line.separator)+newMsg;sb.append(System.getProperty(line.separator)+newMsg);tryoutputStream=newBufferedWriter(newFileWriter(file);outputStream.write(sb.toString();catch(IOExceptione)e.printStackTrace();finallytryoutputStream.close();catch(IOExceptione)e.printStackTrace();,/获取记录内容publicStringgetString()returnsb.toString();/获取行数publicintgetLines()returnline;,privateJTreetree;privateTreeNodenode;privateDefaultTreeModelmodel;privateDefaultTreeCellRendererrenderer;model=newDefaultTreeModel(node);tree=newJTree(model);renderer=newDefaultTreeCellRenderer();renderer.setLeafIcon(newImageIcon(a.jpg);/叶子结点图片renderer.setClosedIcon(newImageIcon(b.jpg);/关闭树后显示的图片renderer.setOpenIcon(newImageIcon(c.jpg);/打开树时显示的图片tree.setCellRenderer(renderer);,头像显示,publicclassTreePopupMenuextendsJFrameimplementsMouseListener,ActionListenerprivatestaticfinallongserialVersionUID=1L;JTreetree;JPopupMenupopMenu;JMenuItemaddItem;JMenuItemdelItem;JMenuItemeditItem;publicTreePopupMenu()/JTree构造/Stringmodel=我的好友,陌生人,黑名单;/tree=newJTree(model);tree=newJTree();tree.setEditable(true);tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);tree.addMouseListener(this);,JTree右键菜单,tree.setCellEditor(newDefaultTreeCellEditor(tree,newDefaultTreeCellRenderer();setSize(200,800);popMenu=newJPopupMenu();addItem=newJMenuItem(加入黑名单);addItem.addActionListener(this);delItem=newJMenuItem(删除好友);delItem.addActionListener(this);editItem=newJMenuItem(修改备注);editItem.addActionListener(this);popMenu.add(addItem);popMenu.add(delItem);popMenu.add(editItem);getContentPane().add(newJScrollPane(tree);publicvoidmouseClicked(MouseEvente)publicvoidmouseEntered(MouseEvente)publicvoidmouseExited(MouseEvente),publicvoidmousePressed(MouseEvente)TreePathpath=tree.getPathForLocation(e.getX(),e.getY();if(path=null)return;tree.setSelectionPath(path);if(e.getButton()=3)popMenu.show(tree,e.getX(),e.getY();publicvoidmouseReleased(MouseEvente)public