Java课程设计——人事管理系统

主界面代码：

 package PersonSystem;

 import java.awt.*;
 import java.awt.event.*;
 import javax.swing.*;
 import javax.swing.event.*;
 import javax.swing.tree.*;
 import java.net.*;
 /**
  *
  * 人事管理系统主界面
  *
  */
 public class HrMain extends JFrame implements ActionListener,TreeSelectionListener
 {
     Dimension faceSize  = new Dimension(650,450);
     Image icon;
     //建立JTree菜单
     JTree tree;
     DefaultMutableTreeNode root;//人事管理系统
     DefaultMutableTreeNode node1;//人员基本信息维护
     DefaultMutableTreeNode node2;//部门信息管理
     DefaultMutableTreeNode node3;//人员调动管理
     DefaultMutableTreeNode node4;//人员考核管理
     DefaultMutableTreeNode node5;//劳资管理
     DefaultMutableTreeNode leafnode;
     TreePath treePath;

     //主界面面板
     public static JSplitPane splitPane;
     JPanel panel1;
     JPanel panel2;
     JPanel panel3;
     JLabel welcome = new JLabel();
     JScrollPane scrollPane;
     /**
      * 程序初始化函数
      */
     public HrMain()
     {
         enableEvents(AWTEvent.WINDOW_EVENT_MASK);
         this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
         this.pack();
         this.setSize(faceSize);
         this.setTitle("人事管理系统");
         icon = getImage("icon.png");
         this.setIconImage(icon);//设置程序图标
         this.setResizable(false);
         try{
             Init();
         }
         catch(Exception e){
             e.printStackTrace();
         }
     }
     /**
      * 程序初始化函数
      */
     private void Init() throws Exception
     {
         //添加JTree菜单
         root = new DefaultMutableTreeNode("人事管理系统");
         node1 = new DefaultMutableTreeNode("基本信息管理");
         node2 = new DefaultMutableTreeNode("人员调动管理");
         node3 = new DefaultMutableTreeNode("人员考核管理");
         node4 = new DefaultMutableTreeNode("劳资管理");
         //人员基本信息
         root.add(node1);
         leafnode = new DefaultMutableTreeNode("添加人员信息");
         node1.add(leafnode);
         leafnode = new DefaultMutableTreeNode("修改人员信息");
         node1.add(leafnode);
         leafnode = new DefaultMutableTreeNode("删除人员信息");
         node1.add(leafnode);
         leafnode = new DefaultMutableTreeNode("查询人员信息");
         node1.add(leafnode);
         leafnode = new DefaultMutableTreeNode("部门管理");
         node1.add(leafnode);
         //人员调动
         root.add(node2);
         leafnode = new DefaultMutableTreeNode("人员调动");
         node2.add(leafnode);
         leafnode = new DefaultMutableTreeNode("调动历史查询");
         node2.add(leafnode);
         //人员考核管理
         root.add(node3);
         leafnode = new DefaultMutableTreeNode("人员考核");
         node3.add(leafnode);
         leafnode = new DefaultMutableTreeNode("考核历史查询");
         node3.add(leafnode);
         //劳资管理
         root.add(node4);
         leafnode = new DefaultMutableTreeNode("劳资分配管理");
         node4.add(leafnode);
         leafnode = new DefaultMutableTreeNode("劳资历史查询");
         node4.add(leafnode);
         //生成左侧的JTree
         tree = new JTree(root);
         scrollPane = new JScrollPane(tree);
         scrollPane.setPreferredSize(new Dimension(150,400));
         tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
         //生成JPanel
         panel1 = new JPanel();
         panel2 = new JPanel();
         panel3 = new JPanel();
         panel1.add(scrollPane);
         welcome.setText("欢迎使用人事管理系统");
         welcome.setFont(new Font("Dialog",0,16));
         panel3.add(welcome);
         //生成JSplitPane并设置参数
         splitPane = new JSplitPane();
         splitPane.setOneTouchExpandable(false);
         splitPane.setContinuousLayout(true);
         splitPane.setPreferredSize(new Dimension(150,400));
         splitPane.setOrientation(JSplitPane.HORIZONTAL_SPLIT);
         splitPane.setLeftComponent(panel1);
         splitPane.setRightComponent(panel3);
         splitPane.setDividerSize(2);
         splitPane.setDividerLocation(161);
         //生成主界面
         this.setContentPane(splitPane);
         this.setVisible(true);
         //添加事件侦听
         tree.addTreeSelectionListener(this);
         //关闭程序时的操作
         this.addWindowListener(
                 new WindowAdapter(){
                     public void windowClosing(WindowEvent e){
                         System.exit(0);
                     }
                 }
         );
     }
     /**
      * 事件处理
      */
     public void actionPerformed(ActionEvent e){

     }
     /**
      * JTree事件处理
      */
     public void valueChanged(TreeSelectionEvent tse)
     {
         DefaultMutableTreeNode dnode = (DefaultMutableTreeNode)tse.getPath().getLastPathComponent();
         System.out.println("dnode="+dnode);
         String node_str = dnode.toString();
         if(node_str == "人事管理系统"){
             splitPane.setRightComponent(panel3);
         }
         //人员基本信息树
         else if(node_str == "基本信息管理"){
             //当选中后展开或关闭叶子节点
             treePath = new TreePath(node1.getPath());
             if(tree.isExpanded(treePath))
                 tree.collapsePath(treePath);
             else
                 tree.expandPath(treePath);
         }
         else if(node_str == "添加人员信息"){
             Node11Panel node11Panel = new Node11Panel();
             splitPane.setRightComponent(node11Panel);
         }
         else if(node_str == "修改人员信息"){
             Node12Panel node12Panel = new Node12Panel();
             splitPane.setRightComponent(node12Panel);
         }
         else if(node_str == "删除人员信息"){
             Node13Panel node13Panel = new Node13Panel();
             splitPane.setRightComponent(node13Panel);
         }
         else if(node_str == "查询人员信息"){
             Node14Panel node14Panel = new Node14Panel();
             splitPane.setRightComponent(node14Panel);
         }
         else if(node_str == "部门管理"){
             Node15Panel node15Panel = new Node15Panel();
             splitPane.setRightComponent(node15Panel);
         }
         //人员调动管理树
         else if(node_str == "人员调动管理"){
             //当选中后展开或关闭叶子节点
             treePath = new TreePath(node2.getPath());
             if(tree.isExpanded(treePath))
                 tree.collapsePath(treePath);
             else
                 tree.expandPath(treePath);
         }
         else if(node_str == "人员调动"){
             Node21Panel node21Panel = new Node21Panel();
             splitPane.setRightComponent(node21Panel);
         }
         else if(node_str == "调动历史查询"){
             Node22Panel node22Panel = new Node22Panel();
             splitPane.setRightComponent(node22Panel);
         }
         //人员考核管理树
         else if(node_str == "人员考核管理"){
             //当选中后展开或关闭叶子节点
             treePath = new TreePath(node3.getPath());
             if(tree.isExpanded(treePath))
                 tree.collapsePath(treePath);
             else
                 tree.expandPath(treePath);
         }
         else if(node_str == "人员考核"){
             Node31Panel node31Panel = new Node31Panel();
             splitPane.setRightComponent(node31Panel);
         }
         else if(node_str == "考核历史查询"){
             Node32Panel node32Panel = new Node32Panel();
             splitPane.setRightComponent(node32Panel);
         }
         //劳资管理树
         else if(node_str == "劳资管理"){
             //当选中后展开或关闭叶子节点
             treePath = new TreePath(node4.getPath());
             if(tree.isExpanded(treePath))
                 tree.collapsePath(treePath);
             else
                 tree.expandPath(treePath);
         }
         else if(node_str == "劳资分配管理"){
             Node41Panel node41Panel = new Node41Panel();
             splitPane.setRightComponent(node41Panel);
         }
         else if(node_str == "劳资历史查询"){
             Node42Panel node42Panel = new Node42Panel();
             splitPane.setRightComponent(node42Panel);
         }
     }
     /**
      * 通过给定的文件名获得图像
      */
     Image getImage(String filename)
     {
         URLClassLoader urlLoader = (URLClassLoader)this.getClass().getClassLoader();
         URL url = null;
         Image image = null;
         url = urlLoader.findResource(filename);
         image = Toolkit.getDefaultToolkit().getImage(url);
         MediaTracker mediatracker = new MediaTracker(this);
         try{
             mediatracker.addImage(image, 0);
             mediatracker.waitForID(0);
         }
         catch(InterruptedException _ex){
             image = null;
         }
         if(mediatracker.isErrorID(0)){
             image = null;
         }
         return image;
     }
 }

主类代码：

 package PersonSystem;

 import javax.swing.UIManager;
 import java.awt.*;

 /**
  * 人事管理系统运行主类
  */

 public class HrMS
 {
     boolean packFrame = false;
     public HrMS()
     {
         HrMain frame = new HrMain();
         if(packFrame){
             frame.pack();
         }
         else{
             frame.validate();
         }
         //设置运行时窗口的位置
         Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
         Dimension frameSize = frame.getSize();
         if(frameSize.height > screenSize.height){
             frameSize.height = screenSize.height;
         }
         if(frameSize.width > screenSize.width){
             frameSize.width = screenSize.width;
         }
         frame.setLocation((screenSize.width - frameSize.width)/2,(screenSize.height - frameSize.height)/2);
         frame.setVisible(true);
     }
     public static void main(String[] args)
     {
         try{
             UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
         }
         catch(Exception e){
             e.printStackTrace();
         }
         new HrMS();
     }
 }