Java Swing解析版：圖書管理系統(tǒng)（2）實(shí)戰(zhàn)項(xiàng)目開發(fā)
package swingPackage;
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.BorderFactory;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTree;
import javax.swing.UIManager;
import javax.swing.event.TreeSelectionEvent;
import javax.swing.event.TreeSelectionListener;
import javax.swing.tree.DefaultMutableTreeNode;
//extends
//
//延伸
public class ChengGongDengLuHouDejiemian extends JFrame {
static JButton JButton1, JButton2, JButton3, JButton4 = null;
static JLabel JLabel1, JLabel2, JLabel3, JLabel4 = null;
static JPanel JPanel1, JPanel2, JPanel3, JPanel4, JPanel5, JPanel6 = null;
JTree JTree1 = null;/* 聲明一個(gè)樹控件,JTree為樹形控件，即像樹一樣的按鈕等的控件等 */
public ChengGongDengLuHouDejiemian() {
this.setTitle("登錄后的主界面");
/* layout:布局 */
/* setLayout()設(shè)置用戶界面上的屏幕組件的格式布局，是java圖形界面編程的常用方法。默認(rèn)為流式布局。 */
this.setLayout(null);
this.setSize(700, 700);
/*
* location:地點(diǎn).relative:親屬。 public void setLocationRelativeTo(Component
* c)設(shè)置窗口相對于指定組件的位置。 如果組件當(dāng)前未顯示，或者 c 為 null，則此窗口將置于屏幕的中央。
*/
this.setLocationRelativeTo(null);
/* JPanel:面板 */
JPanel1 = new JPanel(null);
/* image:形象。icon:圖標(biāo) */
JButton1 = new JButton("切換用戶", new ImageIcon("img//1.png"));
/*
* vertical:垂直的。position:位置。
* JButton1.setVerticalTextPosition(JButton.TOP)定義標(biāo)簽中垂直方向的文字以頂端對齊
*/
JButton1.setVerticalTextPosition(JButton.TOP);
/* horizontal:水平的 */
JButton1.setHorizontalTextPosition(JButton.CENTER);
/* bounds:范圍 */
JButton1.setBounds(100, 20, 100, 60);
JButton2 = new JButton("借閱排行榜", new ImageIcon("img//2.png"));
JButton2.setVerticalTextPosition(JButton.TOP);
JButton2.setHorizontalTextPosition(JButton.CENTER);
JButton2.setBounds(250, 20, 100, 60);
JButton3 = new JButton("系統(tǒng)管理", new ImageIcon("img//3.png"));
JButton3.setVerticalTextPosition(JButton.TOP);
JButton3.setHorizontalTextPosition(JButton.CENTER);
JButton3.setBounds(400, 20, 100, 60);
JButton4 = new JButton("退出系統(tǒng)", new ImageIcon("img//4.png"));
JButton4.setVerticalTextPosition(JButton.TOP);
JButton4.setHorizontalTextPosition(JButton.CENTER);
JButton4.setBounds(550, 20, 100, 60);
JPanel1.add(JButton1);
JPanel1.add(JButton2);
JPanel1.add(JButton3);
JPanel1.add(JButton4);
JPanel2 = new JPanel(null);
JPanel3 = new JPanel(null);
JPanel4 = new JPanel(null);
JPanel5 = new JPanel(null);
JPanel6 = new JPanel(null);
/* 給所有的JTree控件設(shè)置統(tǒng)一的圖標(biāo)， 所以一定要在實(shí)例化JTree之前使用，否則沒有效果 */
/*
* collapsed:倒塌。expanded:被擴(kuò)大的。open:開著的。
* closed是形容詞“關(guān)閉的”，也是close的過去式和過去分詞。 leaf:葉子
*/
/*
* 用戶界面（User Interface，簡稱UI，亦稱使用者界面）是指對軟件的人機(jī)交互、操作邏輯、界面美觀的整體設(shè)計(jì)，
* 是系統(tǒng)和用戶之間進(jìn)行交互和信息交換的介質(zhì)。Manager(經(jīng)理;管理委員;主教練;經(jīng)紀(jì)人;總管;)管理程序
* put，(英文單詞，動(dòng)詞，翻譯為)放置(，寫，實(shí)施，使（人或物）處于（某種狀態(tài)）等，在句中可作謂語。)
*/
UIManager.put("Tree.collapsedIcon", new ImageIcon("img//1.png"));// 默認(rèn)打開圖標(biāo)
UIManager.put("Tree.expandedIcon", new ImageIcon("img//2.png"));// 打開后圖標(biāo)
UIManager.put("Tree.openIcon", new ImageIcon("img//3.png"));// 打開
UIManager.put("Tree.closedIcon", new ImageIcon("img//4.png"));// 關(guān)閉
UIManager.put("Tree.leafIcon", new ImageIcon("img//5.png"));// 打開后小圖標(biāo)
/* Default:(不履行; 違約; 拖欠; 未到庭;) 默認(rèn)值 */
/* Mutable易變的;很可能改變的;反復(fù)無常的;用情不專的 */
/*
* DefaultMutableTreeNode:節(jié)點(diǎn)。 new DefaultMutableTreeNode:新節(jié)點(diǎn)
*/
/* node:節(jié)點(diǎn) */
DefaultMutableTreeNode dmtn1 = new DefaultMutableTreeNode("圖書管理");
DefaultMutableTreeNode dmtn_yonghu = new DefaultMutableTreeNode("用戶管理");
DefaultMutableTreeNode dmtn_yonghu_insert = new DefaultMutableTreeNode(
"增加用戶");
DefaultMutableTreeNode dmtn_yonghu_update = new DefaultMutableTreeNode(
"修改用戶");
DefaultMutableTreeNode dmtn_yonghu_delete = new DefaultMutableTreeNode(
"刪除用戶");
DefaultMutableTreeNode dmtn_yonghu_select = new DefaultMutableTreeNode(
"查詢用戶");
DefaultMutableTreeNode dmtn_jieyue = new DefaultMutableTreeNode("借閱管理");
DefaultMutableTreeNode dmtn_jieyue_insert = new DefaultMutableTreeNode(
"增加借閱信息");
DefaultMutableTreeNode dmtn_jieyue_update = new DefaultMutableTreeNode(
"修改借閱信息");
DefaultMutableTreeNode dmtn_jieyue_delete = new DefaultMutableTreeNode(
"刪除借閱信息");
DefaultMutableTreeNode dmtn_jieyue_select = new DefaultMutableTreeNode(
"查詢借閱信息");
// 從小到大的方向進(jìn)行添加呢內(nèi)容
dmtn_yonghu.add(dmtn_yonghu_insert);
dmtn_yonghu.add(dmtn_yonghu_update);
dmtn_yonghu.add(dmtn_yonghu_delete);
dmtn_yonghu.add(dmtn_yonghu_select);
dmtn_jieyue.add(dmtn_jieyue_insert);
dmtn_jieyue.add(dmtn_jieyue_update);
dmtn_jieyue.add(dmtn_jieyue_delete);
dmtn_jieyue.add(dmtn_jieyue_select);
dmtn1.add(dmtn_yonghu);
dmtn1.add(dmtn_jieyue);
JTree1 = new JTree(dmtn1);
JTree1.addTreeSelectionListener(new shijian_zc(this));
JTree1.setBounds(10, 10, 150, 300);
JPanel2.add(JTree1);
JLabel1 = new JLabel();
JLabel2 = new JLabel();
JLabel3 = new JLabel();
JLabel4 = new JLabel();
JLabel1.setBounds(0, 0, 534, 564);
/* setBounds(x,y,size_x,size_y) */
JLabel2.setBounds(0, 0, 534, 564);
JLabel3.setBounds(0, 0, 534, 564);
JLabel4.setBounds(0, 0, 534, 564);
JLabel1.setIcon(new ImageIcon("img//11.png"));
JLabel2.setIcon(new ImageIcon("img//22.png"));
JLabel3.setIcon(new ImageIcon("img//33.png"));
JLabel4.setIcon(new ImageIcon("img//44.png"));
JPanel3.add(JLabel1);
JPanel4.add(JLabel2);
JPanel5.add(JLabel3);
JPanel6.add(JLabel4);
JButton1.addActionListener(new shijian_zc(this));
JButton2.addActionListener(new shijian_zc(this));
JButton3.addActionListener(new shijian_zc(this));
JButton4.addActionListener(new shijian_zc(this));
JPanel1.setBounds(0, 0, 700, 100);
JPanel2.setBounds(0, 100, 150, 600);
JPanel3.setBounds(150, 100, 550, 600);
JPanel4.setBounds(150, 100, 550, 600);
JPanel5.setBounds(150, 100, 550, 600);
JPanel6.setBounds(150, 100, 550, 600);
JPanel1.setBorder(BorderFactory.createLineBorder(Color.red));
JPanel2.setBorder(BorderFactory.createLineBorder(Color.green));
JPanel3.setBorder(BorderFactory.createLineBorder(Color.blue));
JPanel4.setBorder(BorderFactory.createLineBorder(Color.red));
JPanel5.setBorder(BorderFactory.createLineBorder(Color.green));
JPanel6.setBorder(BorderFactory.createLineBorder(Color.blue));
this.add(JPanel1);
this.add(JPanel2);
this.add(JPanel3);
this.add(JPanel4);
this.add(JPanel5);
this.add(JPanel6);
/* operation，中文意思是手術(shù)、運(yùn)行。 */
/* EXIT:(出口; 通道; 太平門; 安全門; 離去; 出去; )(退出; 死亡; 退場) */
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
/* visible:可見的。set:設(shè)置 */
this.setVisible(true);
// this.setTitle("登錄后的界面");
// this.setLayout(null);
// this.setSize(800, 800);
// this.setLocationRelativeTo(null);
// this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// this.setVisible(true);
}
}
/* implements:實(shí)現(xiàn) */
class shijian_zc implements ActionListener, TreeSelectionListener {
public ChengGongDengLuHouDejiemian dd = null;
public shijian_zc(ChengGongDengLuHouDejiemian d) {
dd = d;
}
/* actionPerformed:按鈕單擊方法。ActionEvent：動(dòng)作事件 */
@Override
public void actionPerformed(ActionEvent arg0) {
if (arg0.getSource() == dd.JButton1) {
dd.JPanel3.setVisible(true);// 讓jp3的區(qū)域顯示，其他的區(qū)域隱藏
dd.JPanel4.setVisible(false);
dd.JPanel5.setVisible(false);
dd.JPanel6.setVisible(false);
} else if (arg0.getSource() == dd.JButton2) {
dd.JPanel4.setVisible(true);// 讓jp4的區(qū)域顯示，其他的區(qū)域隱藏
dd.JPanel3.setVisible(false);
dd.JPanel5.setVisible(false);
dd.JPanel6.setVisible(false);
} else if (arg0.getSource() == dd.JButton3) {
dd.JPanel5.setVisible(true);// 讓jp5的區(qū)域顯示，其他的區(qū)域隱藏
dd.JPanel4.setVisible(false);
dd.JPanel3.setVisible(false);
dd.JPanel6.setVisible(false);
} else if (arg0.getSource() == dd.JButton4) {
dd.JPanel6.setVisible(true);// 讓jp6的區(qū)域顯示，其他的區(qū)域隱藏
dd.JPanel4.setVisible(false);
dd.JPanel5.setVisible(false);
dd.JPanel3.setVisible(false);
}
}
// 點(diǎn)擊Tree中的子節(jié)點(diǎn)會(huì)執(zhí)行的方法
@Override
/* value(值）Changed（被改變） */
public void valueChanged(TreeSelectionEvent arg0) {
// 獲取最后一次點(diǎn)擊的那個(gè)節(jié)點(diǎn)
DefaultMutableTreeNode str = (DefaultMutableTreeNode) dd.JTree1
.getLastSelectedPathComponent();
// JOptionPane.showMessageDialog(null, str.toString());
if (str.toString().equals("增加用戶")) {
// Visible：可見的（;看得見的;有形商品的;明顯的;易察覺的;公眾場合出現(xiàn)多的）
dd.JPanel3.setVisible(true);// 讓jp3的區(qū)域顯示，其他的區(qū)域隱藏
dd.JPanel4.setVisible(false);
dd.JPanel5.setVisible(false);
dd.JPanel6.setVisible(false);
} else if (str.toString().equals("修改用戶")) {
dd.JPanel4.setVisible(true);// 讓jp4的區(qū)域顯示，其他的區(qū)域隱藏
dd.JPanel3.setVisible(false);
dd.JPanel5.setVisible(false);
dd.JPanel6.setVisible(false);
} else if (str.toString().equals("刪除用戶")) {
dd.JPanel5.setVisible(true);// 讓jp5的區(qū)域顯示，其他的區(qū)域隱藏
dd.JPanel4.setVisible(false);
dd.JPanel3.setVisible(false);
dd.JPanel6.setVisible(false);
} else if (str.toString().equals("查詢用戶")) {
dd.JPanel6.setVisible(true);// 讓jp6的區(qū)域顯示，其他的區(qū)域隱藏
dd.JPanel4.setVisible(false);
dd.JPanel5.setVisible(false);
dd.JPanel3.setVisible(false);
}
}
}
