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练习~图书管理系统
早期习作~~GUI的练习
采用卡片式布局，每次访问卡片前都会判断页面是否已经被内存回收。
一、架构
二、界面
三、源码
UI层：
1 import javax.swing.*; 2 import java.awt.*; 3 import java.awt.event.*; 4 5 public class libUI{ 6 //主方法 7 public static void main(String [] args){ 8 libUI ui = new libUI(); 9 ui.frame(); 10 ui.initBO(); 11 ui.login(); 12 } 13 14 public libBO bo = null; 15 public void initBO(){ 16 bo = new libBO(); 17 } 18 19 //界面大小 20 public int w = 820; 21 public int h = 620; 22 23 public JFrame jf = null; 24 public JLayeredPane layeredp = null; 25 public JLayeredPane backlayer = null; 26 public JPanel picp = null; 27 public JPanel title = null; 28 public JLabel subhead = null; 29 public JPanel frontlayer = null; 30 public CardLayout cardl = new CardLayout(0, 0); 31 32 //窗口及基本图层 33 public void frame(){ 34 layeredp = new JLayeredPane(); 35 layeredp.setPreferredSize(new Dimension(w, h)); 36 37 //窗口 38 jf = new JFrame("图书管理系统"); 39 jf.add(layeredp); 40 jf.setResizable(false); 41 jf.pack(); 42 jf.setVisible(true); 43 jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 44 45 //背景层 46 backlayer = new JLayeredPane(); 47 backlayer.setSize(w, h); 48 backlayer.setLocation(0, 0); 49 //载入图片 50 picp = new JPanel(); 51 picp.setLayout(cardl); 52 JLabel bj1 = new JLabel(new ImageIcon("res/1.jpg")); 53 picp.add("p1", bj1); 54 JLabel bj2 = new JLabel(new ImageIcon("res/2.jpg")); 55 picp.add("p2", bj2); 56 JLabel bj3 = new JLabel(new ImageIcon("res/3.jpg")); 57 picp.add("p3", bj3); 58 JLabel bj4 = new JLabel(new ImageIcon("res/4.jpg")); 59 picp.add("p4", bj4); 60 picp.setSize(w, h); 61 picp.setLocation(0, 0); 62 backlayer.add(picp, new Integer(0)); 63 picp.validate(); 64 //标题 65 title = new JPanel(); 66 title.setOpaque(false); 67 Box titlebox = Box.createVerticalBox(); 68 69 titlebox.add(Box.createVerticalStrut(80)); 70 71 JPanel tittipp = new JPanel(); 72 tittipp.setOpaque(false); 73 JLabel tittips = new JLabel(new ImageIcon("res/标题-1.png")); 74 tittipp.add(tittips); 75 titlebox.add(tittipp); 76 77 JPanel subheadp = new JPanel(); 78 subheadp.setOpaque(false); 79 subhead = new JLabel(); 80 subhead.setFont(new Font("华文行楷", Font.PLAIN, 30)); 81 subheadp.add(subhead); 82 titlebox.add(subheadp); 83 title.add(titlebox); 84 title.setLocation(0, 0); 85 title.setSize(w, h); 86 backlayer.add(title, new Integer(1)); 87 88 layeredp.add(backlayer, new Integer(0)); 89 90 //前景层 91 frontlayer = new JPanel(); 92 frontlayer.setLayout(cardl); 93 frontlayer.setOpaque(false); 94 frontlayer.setSize(w, h); 95 frontlayer.setLocation(0, 0); 96 97 layeredp.add(frontlayer, new Integer(1)); 98 } 99 100 //登录层 101 public JPanel loginp = null; 102 public JPasswordField logpi = null; 103 public JLabel logt = null; 104 public void login(){ 105 if(loginp == null){ 106 //界面 107 loginp = new JPanel(); 108 loginp.setLayout(null); 109 loginp.setOpaque(false); 110 111 Box loginbox = Box.createVerticalBox(); 112 loginbox.setLocation(10, 380); 113 loginbox.setSize(400, 180); 114 loginp.add(loginbox); 115 116 JPanel denglup = new JPanel(); 117 denglup.setOpaque(false); 118 JLabel denglu = new JLabel("管理员登陆"); 119 denglu.setForeground(new Color(20, 150, 250)); 120 denglu.setFont(new Font("华文仿宋", Font.BOLD, 25)); 121 denglup.add(denglu); 122 loginbox.add(denglup); 123 124 JPanel logpp = new JPanel(); 125 logpp.setOpaque(false); 126 JLabel logpt = new JLabel("登陆密码："); 127 logpt.setForeground(new Color(20, 150, 250)); 128 logpt.setFont(new Font("华文中宋", Font.PLAIN, 20)); 129 logpi = new JPasswordField(8); 130 logpi.setForeground(Color.BLUE); 131 logpi.setFont(new Font("微软雅黑", Font.PLAIN, 18)); 132 logpp.add(logpt); 133 logpp.add(logpi); 134 loginbox.add(logpp); 135 136 JPanel logbp =new JPanel(); 137 logbp.setOpaque(false); 138 JButton logb = new JButton("登 录"); 139 logb.setFont(new Font("微软雅黑", Font.PLAIN, 15)); 140 logbp.add(logb); 141 loginbox.add(logbp); 142 143 JPanel logtp = new JPanel(); 144 logtp.setOpaque(false); 145 logt = new JLabel(" "); 146 logt.setForeground(new Color(238,22,22)); 147 logt.setFont(new Font("微软雅黑", Font.PLAIN, 18)); 148 logtp.add(logt); 149 loginbox.add(logtp); 150 151 //显示 152 frontlayer.add("login", loginp); 153 cardl.show(picp, "p1"); 154 cardl.show(frontlayer, "login"); 155 frontlayer.validate(); 156 logpi.requestFocus(); 157 158 //监听 159 logb.addActionListener(new ActionListener(){ 160 public void actionPerformed(ActionEvent ae){ 161 char[] passi = logpi.getPassword(); 162 if(passi.length == 0){ 163 logt.setText("密码不能为空！"); 164 }else{ 165 try { 166 int n = bo.dologin(passi); 167 if(n == 0){ 168 logt.setText("密码错误！"); 169 logpi.setText(""); 170 }else{ 171 logt.setText(" "); 172 logpi.setText(""); 173 menu(); 174 } 175 } catch (Exception e) { 176 logt.setText("出错了！"); 177 } 178 } 179 } 180 }); 181 182 }else{ 183 cardl.show(frontlayer, "login"); 184 cardl.show(picp, "p1"); 185 logpi.requestFocus(); 186 } 187 188 } 189 190 //主菜单界面 191 public JPanel menup = null; 192 public void menu(){ 193 if(menup == null){ 194 menup = new JPanel(); 195 menup.setOpaque(false); 196 menup.setLayout(new BorderLayout()); 197 198 //左边按钮 199 Box westbox = Box.createVerticalBox(); 200 menup.add(westbox, BorderLayout.WEST); 201 202 westbox.add(Box.createVerticalStrut(220)); 203 204 JButton addb = new JButton("新增图书"); 205 addb.setFont(new Font("华文中宋", Font.PLAIN, 25)); 206 westbox.add(addb); 207 208 westbox.add(Box.createVerticalStrut(80)); 209 210 JButton lendb = new JButton("借书"); 211 lendb.setFont(new Font("华文中宋", Font.PLAIN, 25)); 212 westbox.add(lendb); 213 214 westbox.add(Box.createVerticalStrut(80)); 215 216 JButton returnb = new JButton("还书"); 217 returnb.setFont(new Font("华文中宋", Font.PLAIN, 25)); 218 westbox.add(returnb); 219 220 //右边按钮 221 Box eastbox = Box.createVerticalBox(); 222 menup.add(eastbox, BorderLayout.EAST); 223 224 eastbox.add(Box.createVerticalStrut(200)); 225 226 JButton bookb = new JButton("<html>图书信息查询<br>【修改/删除】</html>"); 227 bookb.setFont(new Font("华文中宋", Font.PLAIN, 20)); 228 bookb.setAlignmentX(Component.RIGHT_ALIGNMENT); 229 eastbox.add(bookb); 230 231 eastbox.add(Box.createVerticalStrut(70)); 232 233 JButton inquiryb = new JButton("<html>学员借书<br>情况查询</html>"); 234 inquiryb.setFont(new Font("华文中宋", Font.PLAIN, 22)); 235 inquiryb.setAlignmentX(Component.RIGHT_ALIGNMENT); 236 eastbox.add(inquiryb); 237 238 eastbox.add(Box.createVerticalStrut(70)); 239 240 JButton quitb = new JButton("退出"); 241 quitb.setFont(new Font("华文中宋", Font.PLAIN, 25)); 242 quitb.setAlignmentX(Component.RIGHT_ALIGNMENT); 243 eastbox.add(quitb); 244 245 //显示 246 frontlayer.add("menu", menup); 247 cardl.show(picp, "p2"); 248 cardl.show(frontlayer, "menu"); 249 frontlayer.validate(); 250 251 //监听 252 addb.addActionListener(new ActionListener(){ 253 public void actionPerformed(ActionEvent ae){ 254 add(); 255 } 256 }); 257 258 lendb.addActionListener(new ActionListener(){ 259 public void actionPerformed(ActionEvent ae){ 260 lend(); 261 } 262 }); 263 264 returnb.addActionListener(new ActionListener(){ 265 public void actionPerformed(ActionEvent ae){ 266 returnbook(); 267 } 268 }); 269 270 bookb.addActionListener(new ActionListener(){ 271 public void actionPerformed(ActionEvent ae){ 272 book(); 273 } 274 }); 275 276 inquiryb.addActionListener(new ActionListener(){ 277 public void actionPerformed(ActionEvent ae){ 278 inquiry(); 279 } 280 }); 281 282 quitb.addActionListener(new ActionListener(){ 283 public void actionPerformed(ActionEvent ae){ 284 quit(); 285 } 286 }); 287 }else{ 288 initBO(); 289 cardl.show(picp, "p2"); 290 subhead.setText(""); 291 cardl.show(frontlayer, "menu"); 292 } 293 } 294 295 //成功提示界面 296 public JPanel suctipsp = null; 297 public JLabel suctipsl = null; 298 public JButton suctipsb = null; 299 public void suctips(){ 300 if(suctipsp == null){ 301 suctipsp = new JPanel(); 302 suctipsp.setOpaque(false); 303 Box suctipsbox = Box.createVerticalBox(); 304 suctipsp.add(suctipsbox); 305 306 suctipsbox.add(Box.createVerticalStrut(230)); 307 308 JPanel suctipslp = new JPanel(); 309 suctipslp.setOpaque(false); 310 suctipsl = new JLabel(subhead.getText() + "成功！"); 311 suctipsl.setFont(new Font("华文中宋", Font.PLAIN, 25)); 312 suctipslp.add(suctipsl); 313 suctipsbox.add(suctipslp); 314 315 suctipsbox.add(Box.createVerticalStrut(30)); 316 317 JPanel suctipsbp = new JPanel(); 318 suctipsbp.setOpaque(false); 319 suctipsb = new JButton("返 回"); 320 suctipsb.setFont(new Font("微软雅黑", Font.PLAIN, 18)); 321 suctipsbp.add(suctipsb); 322 suctipsbox.add(suctipsbp); 323 324 //显示 325 frontlayer.add("suctips", suctipsp); 326 cardl.show(picp, "p4"); 327 cardl.show(frontlayer, "suctips"); 328 frontlayer.validate(); 329 330 //监听 331 suctipsb.addActionListener(new ActionListener(){ 332 public void actionPerformed(ActionEvent ae){ 333 menu(); 334 } 335 }); 336 }else{ 337 frontlayer.add("suctips", suctipsp); 338 cardl.show(picp, "p4"); 339 cardl.show(frontlayer, "suctips"); 340 suctipsl.setText(subhead.getText() + "成功！"); 341 } 342 } 343 344 //新增图书 345 public JPanel addp = null; 346 public JTextField addsi = null; 347 public JTextField addzi = null; 348 public JTextField addci = null; 349 public JLabel addt = null; 350 public void add(){ 351 if(addp == null){ 352 //界面 353 addp = new JPanel(); 354 addp.setOpaque(false); 355 Box addbox = Box.createVerticalBox(); 356 addp.add(addbox); 357 358 addbox.add(Box.createVerticalStrut(250)); 359 360 JPanel addsp = new JPanel(); 361 addsp.setOpaque(false); 362 JLabel addst = new JLabel(" 书 名 ："); 363 addst.setFont(new Font("华文中宋", Font.PLAIN, 20)); 364 addsi = new JTextField(8); 365 addsi.setFont(new Font("微软雅黑", Font.PLAIN, 18)); 366 addsp.add(addst); 367 addsp.add(addsi); 368 addbox.add(addsp); 369 370 JPanel addzp = new JPanel(); 371 addzp.setOpaque(false); 372 JLabel addzt = new JLabel(" 作 者 ："); 373 addzt.setFont(new Font("华文中宋", Font.PLAIN, 20)); 374 addzi = new JTextField(8); 375 addzi.setFont(new Font("微软雅黑", Font.PLAIN, 18)); 376 addzp.add(addzt); 377 addzp.add(addzi); 378 addbox.add(addzp); 379 380 JPanel addcp = new JPanel(); 381 addcp.setOpaque(false); 382 JLabel addct = new JLabel("出版社："); 383 addct.setFont(new Font("华文中宋", Font.PLAIN, 20)); 384 addci = new JTextField(8); 385 addci.setFont(new Font("微软雅黑", Font.PLAIN, 18)); 386 addcp.add(addct); 387 addcp.add(addci); 388 addbox.add(addcp); 389 390 addbox.add(Box.createVerticalStrut(30)); 391 392 JPanel addbp =new JPanel(); 393 addbp.setOpaque(false); 394 JButton addqb = new JButton("确 认"); 395 addqb.setFont(new Font("微软雅黑", Font.PLAIN, 15)); 396 addbp.add(addqb); 397 JLabel addbt = new JLabel(" "); 398 addbt.setFont(new Font("华文中宋", Font.PLAIN, 15)); 399 addbp.add(addbt); 400 JButton addfb = new JButton("返 回"); 401 addfb.setFont(new Font("微软雅黑", Font.PLAIN, 15)); 402 addbp.add(addfb); 403 addbox.add(addbp); 404 405 addbox.add(Box.createVerticalStrut(20)); 406 407 JPanel addtp = new JPanel(); 408 addtp.setOpaque(false); 409 addt = new JLabel(); 410 addt.setForeground(Color.red); 411 addt.setFont(new Font("微软雅黑", Font.PLAIN, 18)); 412 addtp.add(addt); 413 addbox.add(addtp); 414 415 //显示 416 frontlayer.add("add", addp); 417 cardl.show(picp, "p3"); 418 cardl.show(frontlayer, "add"); 419 subhead.setText("新增图书"); 420 421 //监听 422 addqb.addActionListener(new ActionListener(){ 423 public void actionPerformed(ActionEvent ae){ 424 if("".equals(addsi.getText())){ 425 addt.setText("书名不能为空！"); 426 }else{ 427 try { 428 String s = addsi.getText(); 429 String z = addzi.getText(); 430 String c = addci.getText(); 431 bo.doadd(s, z, c); 432 addsuc(); 433 } catch (Exception e) { 434 suctips(); 435 suctipsl.setText("出 错 了 ~"); 436 } 437 } 438 } 439 }); 440 441 addfb.addActionListener(new ActionListener(){ 442 public void actionPerformed(ActionEvent ae){ 443 menu(); 444 } 445 }); 446 }else{ 447 frontlayer.add("add", addp); 448 cardl.show(picp, "p3"); 449 cardl.show(frontlayer, "add"); 450 subhead.setText("新增图书"); 451 addt.setText(""); 452 addsi.setText(""); 453 addzi.setText(""); 454 addci.setText(""); 455 } 456 } 457 458 //增加图书成功 459 public void addsuc(){ 460 suctips(); 461 } 462 463 //借书 464 public JPanel lendp = null; 465 public JTextField lensi = null; 466 public JTextField lenji = null; 467 public JLabel lent = null; 468 public void lend(){ 469 if(lendp == null){ 470 //界面 471 lendp = new JPanel(); 472 lendp.setOpaque(false); 473 Box lendbox = Box.createVerticalBox(); 474 lendp.add(lendbox); 475 476 lendbox.add(Box.createVerticalStrut(250)); 477 478 JPanel lensp = new JPanel(); 479 lensp.setOpaque(false); 480 JLabel lenst = new JLabel(" 书 名 ："); 481 lenst.setFont(new Font("华文中宋", Font.PLAIN, 20)); 482 lensi = new JTextField(8); 483 lensi.setFont(new Font("微软雅黑", Font.PLAIN, 18)); 484 lensp.add(lenst); 485 lensp.add(lensi); 486 lendbox.add(lensp); 487 488 lendbox.add(Box.createVerticalStrut(15)); 489 490 JPanel lenjp = new JPanel(); 491 lenjp.setOpaque(false); 492 JLabel lenjt = new JLabel("借书人："); 493 lenjt.setFont(new Font("华文中宋", Font.PLAIN, 20)); 494 lenji = new JTextField(8); 495 lenji.setFont(new Font("微软雅黑", Font.PLAIN, 18)); 496 lenjp.add(lenjt); 497 lenjp.add(lenji); 498 lendbox.add(lenjp); 499 500 lendbox.add(Box.createVerticalStrut(30)); 501 502 JPanel lenbp =new JPanel(); 503 lenbp.setOpaque(false); 504 JButton lenqb = new JButton("确 认"); 505 lenqb.setFont(new Font("微软雅黑", Font.PLAIN, 15)); 506 lenbp.add(lenqb); 507 JLabel lenbt = new JLabel(" "); 508 lenbt.setFont(new Font("华文中宋", Font.PLAIN, 15)); 509 lenbp.add(lenbt); 510 JButton lenfb = new JButton("返 回"); 511 lenfb.setFont(new Font("微软雅黑", Font.PLAIN, 15)); 512 lenbp.add(lenfb); 513 lendbox.add(lenbp); 514 515 lendbox.add(Box.createVerticalStrut(30)); 516 517 JPanel lentp = new JPanel(); 518 lentp.setOpaque(false); 519 lent = new JLabel(); 520 lent.setForeground(Color.red); 521 lent.setFont(new Font("微软雅黑", Font.PLAIN, 18)); 522 lentp.add(lent); 523 lendbox.add(lentp); 524 525 //显示 526 frontlayer.add("lend", lendp); 527 cardl.show(picp, "p3"); 528 cardl.show(frontlayer, "lend"); 529 subhead.setText("借书"); 530 531 //监听 532 lenqb.addActionListener(new ActionListener(){ 533 public void actionPerformed(ActionEvent ae){ 534 if("".equals(lensi.getText())){ 535 lent.setText("书名不能为空！"); 536 }else if("".equals(lenji.getText())){ 537 lent.setText("借书人不能为空！"); 538 }else{ 539 try { 540 String s = lensi.getText(); 541 String j = lenji.getText(); 542 int t = bo.dolend(s, j); 543 switch(t){ 544 case 0: 545 lent.setText("该图书不在馆藏范围内！"); 546 break; 547 case 1: 548 lent.setText("此书已被借出！"); 549 break; 550 default: 551 lendsuc(); 552 } 553 } catch (Exception e) { 554 suctips(); 555 suctipsl.setText("出 错 了 ~"); 556 } 557 } 558 } 559 }); 560 561 lenfb.addActionListener(new ActionListener(){ 562 public void actionPerformed(ActionEvent ae){ 563 menu(); 564 } 565 }); 566 }else{ 567 frontlayer.add("lend", lendp); 568 cardl.show(picp, "p3"); 569 cardl.show(frontlayer, "lend"); 570 subhead.setText("借书"); 571 lensi.setText(""); 572 lenji.setText(""); 573 lent.setText(""); 574 } 575 } 576 577 //借书成功 578 public void lendsuc(){ 579 suctips(); 580 } 581 582 //还书 583 public JPanel returnbookp = null; 584 public JTextField retsi = null; 585 public JTextField retji = null; 586 public JLabel rett = null; 587 public void returnbook(){ 588 if(returnbookp == null){ 589 //界面 590 returnbookp = new JPanel(); 591 returnbookp.setOpaque(false); 592 Box returnbookbox = Box.createVerticalBox(); 593 returnbookp.add(returnbookbox); 594 595 returnbookbox.add(Box.createVerticalStrut(250)); 596 597 JPanel retsp = new JPanel(); 598 retsp.setOpaque(false); 599 JLabel retst = new JLabel(" 书 名 ："); 600 retst.setFont(new Font("华文中宋", Font.PLAIN, 20)); 601 retsi = new JTextField(8); 602 retsi.setFont(new Font("微软雅黑", Font.PLAIN, 18)); 603 retsp.add(retst); 604 retsp.add(retsi); 605 returnbookbox.add(retsp); 606 607 returnbookbox.add(Box.createVerticalStrut(15)); 608 609 JPanel retjp = new JPanel(); 610 retjp.setOpaque(false); 611 JLabel retjt = new JLabel("还书人："); 612 retjt.setFont(new Font("华文中宋", Font.PLAIN, 20)); 613 retji = new JTextField(8); 614 retji.setFont(new Font("微软雅黑", Font.PLAIN, 18)); 615 retjp.add(retjt); 616 retjp.add(retji); 617 returnbookbox.add(retjp); 618 619 returnbookbox.add(Box.createVerticalStrut(30)); 620 621 JPanel retbp =new JPanel(); 622 retbp.setOpaque(false); 623 JButton retqb = new JButton("确 认"); 624 retqb.setFont(new Font("微软雅黑", Font.PLAIN, 15)); 625 retbp.add(retqb); 626 JLabel retbt = new JLabel(" "); 627 retbt.setFont(new Font("华文中宋", Font.PLAIN, 15)); 628 retbp.add(retbt); 629 JButton retfb = new JButton("返 回"); 630 retfb.setFont(new Font("微软雅黑", Font.PLAIN, 15)); 631 retbp.add(retfb); 632 returnbookbox.add(retbp); 633 634 returnbookbox.add(Box.createVerticalStrut(30)); 635 636 JPanel rettp = new JPanel(); 637 rettp.setOpaque(false); 638 rett = new JLabel(); 639 rett.setForeground(Color.red); 640 rett.setFont(new Font("微软雅黑", Font.PLAIN, 18)); 641 rettp.add(rett); 642 returnbookbox.add(rettp); 643 644 //显示 645 frontlayer.add("returnbook", returnbookp); 646 cardl.show(picp, "p3"); 647 cardl.show(frontlayer, "returnbook"); 648 subhead.setText("还书"); 649 650 //监听 651 retqb.addActionListener(new ActionListener(){ 652 public void actionPerformed(ActionEvent ae){ 653 if("".equals(retsi.getText())){ 654 rett.setText("书名不能为空！"); 655 }else if("".equals(retji.getText())){ 656 rett.setText("还书人不能为空！"); 657 }else{ 658 try { 659 String s = retsi.getText(); 660 String h = retji.getText(); 661 int t = bo.doreturnbook(s, h); 662 switch(t){ 663 case 0: 664 rett.setText("输入有误，未检索到该书！"); 665 break; 666 case 1: 667 rett.setText("输入有误，此书未被借出！"); 668 break; 669 case 2: 670 returnbooksuc(); 671 break; 672 default: 673 rett.setText("借书人与还书人不匹配！"); 674 } 675 } catch (Exception e) { 676 suctips(); 677 suctipsl.setText("出 错 了 ~"); 678 } 679 } 680 } 681 }); 682 683 retfb.addActionListener(new ActionListener(){ 684 public void actionPerformed(ActionEvent ae){ 685 menu(); 686 } 687 }); 688 }else{ 689 frontlayer.add("returnbook", returnbookp); 690 cardl.show(picp, "p3"); 691 cardl.show(frontlayer, "returnbook"); 692 subhead.setText("还书"); 693 retsi.setText(""); 694 retji.setText(""); 695 rett.setText(""); 696 } 697 } 698 699 //还书成功 700 public void returnbooksuc(){ 701 suctips(); 702 } 703 704 //图书信息查询 705 public JLayeredPane bookpane = null; 706 public JTextField booki = null; 707 public JLabel bookt = null; 708 public void book(){ 709 if(bookpane == null){ 710 //界面 711 bookpane = new JLayeredPane(); 712 JPanel bookp = new JPanel(); 713 bookp.setOpaque(false); 714 bookp.setSize(w, h); 715 bookpane.add(bookp, new Integer(1)); 716 Box bookbox = Box.createVerticalBox(); 717 bookp.add(bookbox); 718 719 bookbox.add(Box.createVerticalStrut(280)); 720 721 JPanel booksp = new JPanel(); 722 booksp.setOpaque(false); 723 JLabel bookst = new JLabel("书名："); 724 bookst.setFont(new Font("华文中宋", Font.PLAIN, 20)); 725 booki = new JTextField(8); 726 booki.setFont(new Font("微软雅黑", Font.PLAIN, 20)); 727 booksp.add(bookst); 728 booksp.add(booki); 729 bookbox.add(booksp); 730 731 bookbox.add(Box.createVerticalStrut(20)); 732 733 JPanel bookbp =new JPanel(); 734 bookbp.setOpaque(false); 735 JButton bookqb = new JButton("确 认"); 736 bookqb.setFont(new Font("微软雅黑", Font.PLAIN, 15)); 737 bookbp.add(bookqb); 738 JLabel bookbt = new JLabel(" "); 739 bookbt.setFont(new Font("华文中宋", Font.PLAIN, 15)); 740 bookbp.add(bookbt); 741 JButton bookfb = new JButton("返 回"); 742 bookfb.setFont(new Font("微软雅黑", Font.PLAIN, 15)); 743 bookbp.add(bookfb); 744 bookbox.add(bookbp); 745 746 bookbox.add(Box.createVerticalStrut(20)); 747 748 JPanel booktp = new JPanel(); 749 booktp.setOpaque(false); 750 bookt = new JLabel(" "); 751 bookt.setForeground(Color.red); 752 bookt.setFont(new Font("微软雅黑", Font.PLAIN, 18)); 753 booktp.add(bookt); 754 bookbox.add(booktp); 755 756 JButton booklb = new JButton("图书浏览"); 757 booklb.setFont(new Font("微软雅黑", Font.PLAIN, 15)); 758 booklb.setBounds(580, 540, 100, 30); 759 booklb.setToolTipText("浏览全部图书信息"); 760 bookpane.add(booklb, new Integer(0)); 761 762 //显示 763 frontlayer.add("book", bookpane); 764 cardl.show(picp, "p3"); 765 subhead.setText("图书信息查询"); 766 cardl.show(frontlayer, "book"); 767 frontlayer.validate(); 768 booki.requestFocus(); 769 770 //监听 771 bookqb.addActionListener(new ActionListener(){ 772 public void actionPerformed(ActionEvent ae){ 773 if("".equals(booki.getText())){ 774 bookt.setText("书名不能为空！"); 775 }else{ 776 try { 777 int y = bo.dobook(booki.getText()); 778 if (y == -1) { 779 bookt.setText("该图书不在馆藏范围内！"); 780 } else { 781 bookinf(); 782 } 783 } catch (Exception e) { 784 suctips(); 785 suctipsl.setText("出 错 了 ~"); 786 } 787 } 788 } 789 }); 790 791 bookfb.addActionListener(new ActionListener(){ 792 public void actionPerformed(ActionEvent ae){ 793 menu(); 794 } 795 }); 796 797 booklb.addActionListener(new ActionListener(){ 798 public void actionPerformed(ActionEvent ae){ 799 browse(); 800 } 801 }); 802 }else{ 803 initBO(); 804 cardl.show(picp, "p3"); 805 subhead.setText("图书信息查询"); 806 cardl.show(frontlayer, "book"); 807 bookt.setText(""); 808 booki.setText(""); 809 booki.requestFocus(); 810 } 811 } 812 813 //图书浏览 814 public JPanel browsep = null; 815 public JLabel binf = null; 816 public JLabel brot = null; 817 public JTextField breym = null; 818 public void browse(){ 819 if(browsep == null){ 820 //界面 821 browsep = new JPanel(); 822 browsep.setOpaque(false); 823 Box browsebox = Box.createVerticalBox(); 824 browsep.add(browsebox); 825 826 browsebox.add(Box.createVerticalStrut(160)); 827 828 JPanel brobbp =new JPanel(); 829 brobbp.setOpaque(false); 830 JButton broback = new JButton("返回"); 831 broback.setFont(new Font("微软雅黑", Font.PLAIN, 15)); 832 brobbp.add(broback); 833 JLabel brobbt = new JLabel(" "); 834 brobbt.setFont(new Font("华文中宋", Font.PLAIN, 15)); 835 brobbp.add(brobbt); 836 browsebox.add(brobbp); 837 838 browsebox.add(Box.createVerticalStrut(10)); 839 840 JPanel binfp = new JPanel(); 841 binfp.setOpaque(false); 842 binf = new JLabel(); 843 binf.setFont(new Font("华文中宋", Font.PLAIN, 20)); 844 binfp.add(binf); 845 browsebox.add(binfp); 846 847 browsebox.add(Box.createVerticalStrut(10)); 848 849 JPanel brobp =new JPanel(); 850 brobp.setOpaque(false); 851 JButton brolast = new JButton("上一本"); 852 brolast.setFont(new Font("微软雅黑", Font.PLAIN, 15)); 853 brobp.add(brolast); 854 JLabel brobt = new JLabel(" "); 855 brobt.setFont(new Font("华文中宋", Font.PLAIN, 15)); 856 brobp.add(brobt); 857 JButton bronext = new JButton("下一本"); 858 bronext.setFont(new Font("微软雅黑", Font.PLAIN, 15)); 859 brobp.add(bronext); 860 browsebox.add(brobp); 861 862 browsebox.add(Box.createVerticalStrut(10)); 863 864 JPanel brotp = new JPanel(); 865 brotp.setOpaque(false); 866 JLabel brot1 = new JLabel("第"); 867 brot1.setFont(new Font("微软雅黑", Font.PLAIN, 18)); 868 breym = new JTextField(2); 869 breym.setToolTipText("你可以改变此数值，再点击 上一本/下一本 实现跳转"); 870 breym.setText("1"); 871 breym.setFont(new Font("微软雅黑", Font.PLAIN, 16)); 872 JLabel brot2 = new JLabel("本 / "); 873 brot2.setFont(new Font("微软雅黑", Font.PLAIN, 18)); 874 brot = new JLabel(); 875 brot.setFont(new Font("微软雅黑", Font.PLAIN, 18)); 876 brotp.add(brot1); 877 brotp.add(breym); 878 brotp.add(brot2); 879 brotp.add(brot); 880 browsebox.add(brotp); 881 882 //显示 883 try { 884 bo.liulan(); 885 brot.setText("共 " + bo.rlength() + " 本"); 886 binf.setText("<html>" 887 +"书 名 ： "+bo.dobookinf(1)+"<br>" 888 +"<br>" 889 +"作 者 ： "+bo.dobookinf(2)+"<br>" 890 +"<br>" 891 +"出 版 社："+bo.dobookinf(3)+"<br>" 892 +"<br>" 893 +"是否已借："+bo.dobookinf(4)+"<br>" 894 +"<br>" 895 +"借 书 人："+bo.dobookinf(5) 896 +"</html>"); 897 } catch (Exception e) { 898 suctips(); 899 suctipsl.setText("出 错 了 ~"); 900 } 901 frontlayer.add("browse", browsep); 902 cardl.show(frontlayer, "browse"); 903 frontlayer.validate(); 904 905 //监听 906 broback.addActionListener(new ActionListener(){ 907 public void actionPerformed(ActionEvent ae){ 908 book(); 909 } 910 }); 911 912 brolast.addActionListener(new ActionListener(){ 913 public void actionPerformed(ActionEvent ae){ 914 int ym = bo.last(Integer.valueOf(breym.getText())); 915 try { 916 if (ym == 0){ 917 brot.setForeground(Color.red); 918 }else{ 919 breym.setText(ym + ""); 920 brot.setForeground(Color.DARK_GRAY); 921 binf.setText("<html>" + "书 名 ： " + bo.dobookinf(1) 922 + "<br>" + "<br>" + "作 者 ： " 923 + bo.dobookinf(2) + "<br>" + "<br>" 924 + "出 版 社：" + bo.dobookinf(3) + "<br>" 925 + "<br>" + "是否已借：" + bo.dobookinf(4) 926 + "<br>" + "<br>" + "借 书 人：" 927 + bo.dobookinf(5) + "</html>"); 928 } 929 } catch (Exception e) { 930 suctips(); 931 suctipsl.setText("出 错 了 ~"); 932 } 933 } 934 }); 935 936 bronext.addActionListener(new ActionListener(){ 937 public void actionPerformed(ActionEvent ae){ 938 int ym = bo.next(Integer.valueOf(breym.getText())); 939 try { 940 if (ym == 0){ 941 brot.setForeground(Color.red); 942 }else{ 943 breym.setText(ym + ""); 944 brot.setForeground(Color.DARK_GRAY); 945 binf.setText("<html>" + "书 名 ： " + bo.dobookinf(1) 946 + "<br>" + "<br>" + "作 者 ： " 947 + bo.dobookinf(2) + "<br>" + "<br>" 948 + "出 版 社：" + bo.dobookinf(3) + "<br>" 949 + "<br>" + "是否已借：" + bo.dobookinf(4) 950 + "<br>" + "<br>" + "借 书 人：" 951 + bo.dobookinf(5) + "</html>"); 952 } 953 } catch (Exception e) { 954 suctips(); 955 suctipsl.setText("出 错 了 ~"); 956 } 957 } 958 }); 959 }else{ 960 brot.setForeground(Color.DARK_GRAY); 961 cardl.show(frontlayer, "browse"); 962 try { 963 bo.liulan(); 964 breym.setText("1"); 965 brot.setText("共 " + bo.rlength() + " 本"); 966 binf.setText("<html>" 967 +"书 名 ： "+bo.dobookinf(1)+"<br>" 968 +"<br>" 969 +"作 者 ： "+bo.dobookinf(2)+"<br>" 970 +"<br>" 971 +"出 版 社："+bo.dobookinf(3)+"<br>" 972 +"<br>" 973 +"是否已借："+bo.dobookinf(4)+"<br>" 974 +"<br>" 975 +"借 书 人："+bo.dobookinf(5) 976 +"</html>"); 977 } catch (Exception e) { 978 suctips(); 979 suctipsl.setText("出 错 了 ~"); 980 } 981 } 982 } 983 984 //图书信息显示 985 public JPanel bookinfp = null; 986 public JLabel inf = null; 987 public void bookinf(){ 988 if(bookinfp == null){ 989 //界面 990 bookinfp = new JPanel(); 991 bookinfp.setOpaque(false); 992 Box bookinfbox = Box.createVerticalBox(); 993 bookinfp.add(bookinfbox); 994 995 bookinfbox.add(Box.createVerticalStrut(220)); 996 997 JPanel infp = new JPanel(); 998 infp.setOpaque(false); 999 inf = new JLabel(); 1000 inf.setHorizontalAlignment(SwingConstants.CENTER); 1001 inf.setFont(new Font("华文中宋", Font.PLAIN, 20)); 1002 infp.add(inf); 1003 bookinfbox.add(infp); 1004 1005 bookinfbox.add(Box.createVerticalStrut(20)); 1006 1007 JPanel infbp = new JPanel(); 1008 JButton reviseb = new JButton("修改图书信息"); 1009 reviseb.setFont(new Font("微软雅黑", Font.PLAIN, 15)); 1010 infbp.add(reviseb); 1011 JButton delb = new JButton("删除"); 1012 delb.setFont(new Font("微软雅黑", Font.PLAIN, 15)); 1013 infbp.add(delb); 1014 JButton backb = new JButton("返回"); 1015 backb.setFont(new Font("微软雅黑", Font.PLAIN, 15)); 1016 infbp.add(backb); 1017 bookinfbox.add(infbp); 1018 1019 //显示 1020 try { 1021 inf.setText("<html>" 1022 +"书 名 ： "+bo.dobookinf(1)+"<br>" 1023 +"<br>" 1024 +"作 者 ： "+bo.dobookinf(2)+"<br>" 1025 +"<br>" 1026 +"出 版 社："+bo.dobookinf(3)+"<br>" 1027 +"<br>" 1028 +"是否已借："+bo.dobookinf(4)+"<br>" 1029 +"<br>" 1030 +"借 书 人："+bo.dobookinf(5) 1031 +"</html>"); 1032 } catch (Exception e) { 1033 suctips(); 1034 suctipsl.setText("出 错 了 ~"); 1035 } 1036 frontlayer.add("bookinf", bookinfp); 1037 cardl.show(frontlayer, "bookinf"); 1038 frontlayer.validate(); 1039 1040 //监听 1041 delb.addActionListener(new ActionListener(){ 1042 public void actionPerformed(ActionEvent ae){ 1043 try { 1044 int t = bo.doifdel(); 1045 if(t == 1){ 1046 suctips(); 1047 suctipsl.setText("图书《" + bo.dobookinf(1) + "》已被借出，无法删除！"); 1048 }else{ 1049 delete(); 1050 } 1051 } catch (Exception e) { 1052 suctips(); 1053 suctipsl.setText("出 错 了 ~"); 1054 } 1055 } 1056 }); 1057 1058 reviseb.addActionListener(new ActionListener(){ 1059 public void actionPerformed(ActionEvent ae){ 1060 revise(); 1061 revsi.setText(bo.dobookinf(1)); 1062 revzi.setText(bo.dobookinf(2)); 1063 revci.setText(bo.dobookinf(3)); 1064 } 1065 }); 1066 1067 backb.addActionListener(new ActionListener(){ 1068 public void actionPerformed(ActionEvent ae){ 1069 book(); 1070 } 1071 }); 1072 }else{ 1073 cardl.show(frontlayer, "bookinf"); 1074 try { 1075 inf.setText("<html>" 1076 +"书 名 ： "+bo.dobookinf(1)+"<br>" 1077 +"<br>" 1078 +"作 者 ： "+bo.dobookinf(2)+"<br>" 1079 +"<br>" 1080 +"出 版 社："+bo.dobookinf(3)+"<br>" 1081 +"<br>" 1082 +"是否已借："+bo.dobookinf(4)+"<br>" 1083 +"<br>" 1084 +"借 书 人："+bo.dobookinf(5) 1085 +"</html>"); 1086 } catch (Exception e) { 1087 suctips(); 1088 suctipsl.setText("出 错 了 ~"); 1089 } 1090 } 1091 } 1092 1093 //修改图书信息 1094 public JPanel revisep = null; 1095 public JTextField revsi = null; 1096 public JTextField revzi = null; 1097 public JTextField revci = null; 1098 public JLabel revt = null; 1099 public void revise(){ 1100 if(revisep == null){ 1101 //界面 1102 revisep = new JPanel(); 1103 revisep.setOpaque(false); 1104 Box revisebox = Box.createVerticalBox(); 1105 revisep.add(revisebox); 1106 1107 revisebox.add(Box.createVerticalStrut(250)); 1108 1109 JPanel revsp = new JPanel(); 1110 revsp.setOpaque(false); 1111 JLabel revst = new JLabel(" 书 名 ："); 1112 revst.setFont(new Font("华文中宋", Font.PLAIN, 20)); 1113 revsi = new JTextField(8); 1114 revsi.setFont(new Font("微软雅黑", Font.PLAIN, 18)); 1115 revsp.add(revst); 1116 revsp.add(revsi); 1117 revisebox.add(revsp); 1118 1119 JPanel revzp = new JPanel(); 1120 revzp.setOpaque(false); 1121 JLabel revzt = new JLabel(" 作 者 ："); 1122 revzt.setFont(new Font("华文中宋", Font.PLAIN, 20)); 1123 revzi = new JTextField(8); 1124 revzi.setFont(new Font("微软雅黑", Font.PLAIN, 18)); 1125 revzp.add(revzt); 1126 revzp.add(revzi); 1127 revisebox.add(revzp); 1128 1129 JPanel revcp = new JPanel(); 1130 revcp.setOpaque(false); 1131 JLabel revct = new JLabel("出版社："); 1132 revct.setFont(new Font("华文中宋", Font.PLAIN, 20)); 1133 revci = new JTextField(8); 1134 revci.setFont(new Font("微软雅黑", Font.PLAIN, 18)); 1135 revcp.add(revct); 1136 revcp.add(revci); 1137 revisebox.add(revcp); 1138 1139 revisebox.add(Box.createVerticalStrut(30)); 1140 1141 JPanel revbp =new JPanel(); 1142 revbp.setOpaque(false); 1143 JButton revqb = new JButton("确认修改"); 1144 revqb.setFont(new Font("微软雅黑", Font.PLAIN, 15)); 1145 revbp.add(revqb); 1146 JLabel revbt = new JLabel(" "); 1147 revbt.setFont(new Font("华文中宋", Font.PLAIN, 15)); 1148 revbp.add(revbt); 1149 JButton revfb = new JButton("返 回"); 1150 revfb.setFont(new Font("微软雅黑", Font.PLAIN, 15)); 1151 revbp.add(revfb); 1152 revisebox.add(revbp); 1153 1154 revisebox.add(Box.createVerticalStrut(30)); 1155 1156 JPanel revtp = new JPanel(); 1157 revtp.setOpaque(false); 1158 revt = new JLabel(); 1159 revt.setForeground(Color.red); 1160 revt.setFont(new Font("微软雅黑", Font.PLAIN, 18)); 1161 revtp.add(revt); 1162 revisebox.add(revtp); 1163 1164 //显示 1165 frontlayer.add("revise", revisep); 1166 cardl.show(frontlayer, "revise"); 1167 subhead.setText("修改图书信息"); 1168 1169 //监听 1170 revqb.addActionListener(new ActionListener(){ 1171 public void actionPerformed(ActionEvent ae){ 1172 if("".equals(revsi.getText())){ 1173 revt.setText("书名不能为空！"); 1174 }else{ 1175 try { 1176 String s = revsi.getText(); 1177 String z = revzi.getText(); 1178 String c = revci.getText(); 1179 bo.dorevise(s, z, c); 1180 revisesuc(); 1181 } catch (Exception e) { 1182 suctips(); 1183 suctipsl.setText("出 错 了 ~"); 1184 } 1185 } 1186 } 1187 }); 1188 1189 revfb.addActionListener(new ActionListener(){ 1190 public void actionPerformed(ActionEvent ae){ 1191 bookinf(); 1192 } 1193 }); 1194 }else{ 1195 frontlayer.add("revise", revisep); 1196 cardl.show(frontlayer, "revise"); 1197 subhead.setText("修改图书信息"); 1198 revt.setText(""); 1199 } 1200 } 1201 1202 //修改成功 1203 public void revisesuc(){ 1204 suctips(); 1205 } 1206 1207 //删除图书 1208 public JPanel deletep = null; 1209 public JLabel delt = null; 1210 public void delete(){ 1211 if(deletep == null){ 1212 deletep = new JPanel(); 1213 deletep.setOpaque(false); 1214 Box deletebox = Box.createVerticalBox(); 1215 deletep.add(deletebox); 1216 1217 deletebox.add(Box.createVerticalStrut(240)); 1218 1219 JPanel deltp = new JPanel(); 1220 deltp.setOpaque(false); 1221 delt = new JLabel("确定要删除图书《" + bo.dobookinf(1) + "》?"); 1222 delt.setFont(new Font("微软雅黑", Font.PLAIN, 25)); 1223 deltp.add(delt); 1224 deletebox.add(deltp); 1225 1226 deletebox.add(Box.createVerticalStrut(30)); 1227 1228 JPanel delbp =new JPanel(); 1229 delbp.setOpaque(false); 1230 JButton delqb = new JButton("确认删除"); 1231 delqb.setFont(new Font("微软雅黑", Font.PLAIN, 15)); 1232 delbp.add(delqb); 1233 JLabel delbt = new JLabel(" "); 1234 delbt.setFont(new Font("华文中宋", Font.PLAIN, 15)); 1235 delbp.add(delbt); 1236 JButton delfb = new JButton("返 回"); 1237 delfb.setFont(new Font("微软雅黑", Font.PLAIN, 15)); 1238 delbp.add(delfb); 1239 deletebox.add(delbp); 1240 1241 //显示 1242 frontlayer.add("delete", deletep); 1243 cardl.show(frontlayer, "delete"); 1244 cardl.show(picp, "p4"); 1245 subhead.setText("删除图书"); 1246 1247 //监听 1248 delqb.addActionListener(new ActionListener(){ 1249 public void actionPerformed(ActionEvent ae){ 1250 try { 1251 bo.dodelete(); 1252 } catch (Exception e) { 1253 suctips(); 1254 suctipsl.setText("出 错 了 ~"); 1255 } 1256 deletesuc(); 1257 } 1258 }); 1259 1260 delfb.addActionListener(new ActionListener(){ 1261 public void actionPerformed(ActionEvent ae){ 1262 cardl.show(picp, "p3"); 1263 bookinf(); 1264 } 1265 }); 1266 }else{ 1267 frontlayer.add("delete", deletep); 1268 cardl.show(frontlayer, "delete"); 1269 cardl.show(picp, "p4"); 1270 subhead.setText("删除图书"); 1271 delt.setText("确定要删除图书《" + bo.dobookinf(1) + "》?"); 1272 } 1273 } 1274 1275 //删除图书成功 1276 public void deletesuc(){ 1277 suctips(); 1278 } 1279 1280 //学员借书情况查询 1281 public JPanel inquiryp = null; 1282 public JTextField inquiryi = null; 1283 public JLabel inquiryt = null; 1284 public void inquiry(){ 1285 if(inquiryp == null){ 1286 //界面 1287 inquiryp = new JPanel(); 1288 inquiryp.setOpaque(false); 1289 Box inquirybox = Box.createVerticalBox(); 1290 inquiryp.add(inquirybox); 1291 1292 inquirybox.add(Box.createVerticalStrut(280)); 1293 1294 JPanel inquirysp = new JPanel(); 1295 inquirysp.setOpaque(false); 1296 JLabel inquiryst = new JLabel("学员信息："); 1297 inquiryst.setFont(new Font("华文中宋", Font.PLAIN, 20)); 1298 inquiryi = new JTextField(8); 1299 inquiryi.setFont(new Font("微软雅黑", Font.PLAIN, 20)); 1300 inquirysp.add(inquiryst); 1301 inquirysp.add(inquiryi); 1302 inquirybox.add(inquirysp); 1303 1304 inquirybox.add(Box.createVerticalStrut(20)); 1305 1306 JPanel inquirybp =new JPanel(); 1307 inquirybp.setOpaque(false); 1308 JButton inquiryqb = new JButton("确 认"); 1309 inquiryqb.setFont(new Font("微软雅黑", Font.PLAIN, 15)); 1310 inquirybp.add(inquiryqb); 1311 JLabel inquirybt = new JLabel(" "); 1312 inquirybt.setFont(new Font("华文中宋", Font.PLAIN, 15)); 1313 inquirybp.add(inquirybt); 1314 JButton inquiryfb = new JButton("返 回"); 1315 inquiryfb.setFont(new Font("微软雅黑", Font.PLAIN, 15)); 1316 inquirybp.add(inquiryfb); 1317 inquirybox.add(inquirybp); 1318 1319 inquirybox.add(Box.createVerticalStrut(20)); 1320 1321 JPanel inquirytp = new JPanel(); 1322 inquirytp.setOpaque(false); 1323 inquiryt = new JLabel(); 1324 inquiryt.setForeground(Color.red); 1325 inquiryt.setFont(new Font("微软雅黑", Font.PLAIN, 18)); 1326 inquirytp.add(inquiryt); 1327 inquirybox.add(inquirytp); 1328 1329 //显示 1330 frontlayer.add("inquiry", inquiryp); 1331 cardl.show(picp, "p3"); 1332 subhead.setText("学员借书情况查询"); 1333 cardl.show(frontlayer, "inquiry"); 1334 frontlayer.validate(); 1335 inquiryi.requestFocus(); 1336 1337 //监听 1338 inquiryqb.addActionListener(new ActionListener(){ 1339 public void actionPerformed(ActionEvent ae){ 1340 if("".equals(inquiryi.getText())){ 1341 inquiryt.setText("学员姓名不能为空！"); 1342 inquiryi.requestFocus(); 1343 }else{ 1344 inquiryinf(); 1345 } 1346 } 1347 }); 1348 1349 inquiryfb.addActionListener(new ActionListener(){ 1350 public void actionPerformed(ActionEvent ae){ 1351 menu(); 1352 } 1353 }); 1354 1355 }else{ 1356 initBO(); 1357 cardl.show(picp, "p3"); 1358 subhead.setText("学员借书情况查询"); 1359 cardl.show(frontlayer, "inquiry"); 1360 inquiryt.setText(""); 1361 inquiryi.setText(""); 1362 inquiryi.requestFocus(); 1363 } 1364 } 1365 1366 //学员借书信息 1367 public JPanel peopleinfp = null; 1368 public JLabel pinf = null; 1369 public void inquiryinf(){ 1370 if(peopleinfp == null){ 1371 //界面 1372 peopleinfp = new JPanel(); 1373 peopleinfp.setOpaque(false); 1374 Box peopleinfbox = Box.createVerticalBox(); 1375 peopleinfp.add(peopleinfbox); 1376 1377 peopleinfbox.add(Box.createVerticalStrut(250)); 1378 1379 JPanel infp = new JPanel(); 1380 infp.setOpaque(false); 1381 pinf = new JLabel(); 1382 pinf.setFont(new Font("华文中宋", Font.PLAIN, 22)); 1383 infp.add(pinf); 1384 peopleinfbox.add(infp); 1385 1386 peopleinfbox.add(Box.createVerticalStrut(20)); 1387 1388 JPanel pinfbp = new JPanel(); 1389 pinfbp.setOpaque(false); 1390 JButton pbackb = new JButton("返回"); 1391 pbackb.setFont(new Font("微软雅黑", Font.PLAIN, 15)); 1392 pinfbp.add(pbackb); 1393 peopleinfbox.add(pinfbp); 1394 1395 //显示 1396 frontlayer.add("peopleinf", peopleinfp); 1397 cardl.show(picp, "p4"); 1398 cardl.show(frontlayer, "peopleinf"); 1399 frontlayer.validate(); 1400 try { 1401 pinf.setText("<html>" 1402 +"学员姓名： "+inquiryi.getText()+"<br>" 1403 +"<br>" 1404 +"已借图书： "+bo.doinquiry(inquiryi.getText())+"<br>" 1405 +"</html>"); 1406 } catch (Exception e) { 1407 suctips(); 1408 suctipsl.setText("出 错 了 ~"); 1409 } 1410 1411 //监听 1412 pbackb.addActionListener(new ActionListener(){ 1413 public void actionPerformed(ActionEvent ae){ 1414 inquiry(); 1415 } 1416 }); 1417 1418 }else{ 1419 cardl.show(frontlayer, "peopleinf"); 1420 cardl.show(picp, "p4"); 1421 try { 1422 pinf.setText("<html>" 1423 +"学员姓名： "+inquiryi.getText()+"<br>" 1424 +"<br>" 1425 +"已借图书： "+bo.doinquiry(inquiryi.getText())+"<br>" 1426 +"</html>"); 1427 } catch (Exception e) { 1428 suctips(); 1429 suctipsl.setText("出 错 了 ~"); 1430 } 1431 } 1432 } 1433 1434 1435 //退出 1436 public void quit(){ 1437 login(); 1438 } 1439 1440 }
业务层
1 public class libBO{ 2 3 public libData da = new libData(); 4 public int n = -1; 5 6 //登录 7 public int dologin(char[] p) throws Exception{ 8 String str = String.valueOf(p); 9 if(str.equals(da.readpassword())){ 10 return 1; 11 }else{ 12 return 0; 13 } 14 } 15 16 //增加图书 17 public void doadd(String s, String z, String c){ 18 da.read(); 19 20 int t = da.length() + 1; 21 //书名 22 String[] l1 = new String[t]; 23 for( int i = 0; i < l1.length - 1; i++){ 24 l1[i] = da.shuming()[i]; 25 } 26 l1[l1.length - 1] = s; 27 da.shumingrewrite(l1); 28 //作者 29 String[] l2 = new String[t]; 30 for( int i = 0; i < l2.length - 1; i++){ 31 l2[i] = da.zuozhe()[i]; 32 } 33 if("".equals(z)){ 34 l2[l2.length - 1] = "不详"; 35 }else{ 36 l2[l2.length - 1] = z; 37 } 38 da.zuozherewrite(l2); 39 //出版社 40 String[] l3 = new String[t]; 41 for( int i = 0; i < l3.length - 1; i++){ 42 l3[i] = da.chubanshe()[i]; 43 } 44 if("".equals(c)){ 45 l3[l3.length - 1] = "不详"; 46 }else{ 47 l3[l3.length - 1] = c; 48 } 49 da.chubansherewrite(l3); 50 //是否已借 51 String[] l4 = new String[t]; 52 for( int i = 0; i < l4.length - 1; i++){ 53 l4[i] = da.yijie()[i]; 54 } 55 l4[l4.length - 1] = "否"; 56 da.yijierewrite(l4); 57 //借书人 58 String[] l5 = new String[t]; 59 for( int i = 0; i < l5.length - 1; i++){ 60 l5[i] = da.jieshuren()[i]; 61 } 62 l5[l5.length - 1] = "无"; 63 da.jieshurenrewrite(l5); 64 65 da.write(); 66 } 67 68 //借书 69 public int dolend(String s, String j){ 70 dobook(s); 71 if(n == -1){ 72 return 0; 73 }else if("是".equals(da.yijie()[n])){ 74 return 1; 75 }else{ 76 da.jieshurenrevise(j, n); 77 da.yijierevise("是", n); 78 da.write(); 79 return 2; 80 } 81 } 82 83 //还书 84 public int doreturnbook(String s, String h){ 85 dobook(s); 86 if(n == -1){ 87 return 0; 88 }else if("否".equals(da.yijie()[n])){ 89 return 1; 90 }else if(h.equals(da.jieshuren()[n])){ 91 da.jieshurenrevise("无", n); 92 da.yijierevise("否", n); 93 da.write(); 94 return 2; 95 }else{ 96 return 3; 97 } 98 } 99 100 //图书查找 101 public int dobook(String r){ 102 da.read(); 103 String[] s = da.shuming(); 104 for(int i = 0; i < s.length; i++){ 105 if(r.equals(s[i])){ 106 n = i; 107 } 108 } 109 return n; 110 } 111 112 //返回数组长度 113 public int rlength(){ 114 da.read(); 115 return da.length(); 116 } 117 118 //图书浏览：从第一本开始浏览 119 public void liulan(){ 120 n = 0; 121 } 122 123 //图书浏览：上一本 124 public int last(int b){ 125 da.read(); 126 if(b < 1 || b > da.length()){ 127 return 0; 128 } 129 n = b - 1; 130 if(n == 0){ 131 n = da.length() - 1; 132 }else{ 133 n = n - 1; 134 } 135 return n+1; 136 } 137 138 //图书浏览：下一本 139 public int next(int b){ 140 da.read(); 141 if(b < 1 || b > da.length()){ 142 return 0; 143 } 144 n = b - 1; 145 if(n == (da.length() - 1)){ 146 n = 0; 147 }else{ 148 n = n + 1; 149 } 150 return n+1; 151 } 152 153 //图书信息显示 154 public String dobookinf(int i){ 155 da.read(); 156 switch (i) 157 { 158 case 1 : return da.shuming()[n]; 159 case 2 : return da.zuozhe()[n]; 160 case 3 : return da.chubanshe()[n]; 161 case 4 : return da.yijie()[n]; 162 default : return da.jieshuren()[n]; 163 } 164 } 165 166 //图书信息修改 167 public void dorevise(String s, String z, String c){ 168 da.read(); 169 da.shumingrevise(s, n); 170 if("".equals(z)){ 171 da.zuozherevise("不详", n); 172 }else{ 173 da.zuozherevise(z, n); 174 } 175 if("".equals(c)){ 176 da.chubansherevise("不详", n); 177 }else{ 178 da.chubansherevise(c, n); 179 } 180 da.write(); 181 } 182 183 //删除图书前判断是否已借 184 public int doifdel(){ 185 da.read(); 186 if("是".equals(da.yijie()[n])){ 187 return 1; 188 } 189 return 0; 190 } 191 192 //删除图书 193 public void dodelete(){ 194 da.read(); 195 int t = da.length() - 1; 196 String[] l1 = new String[t]; 197 String[] l2 = new String[t]; 198 String[] l3 = new String[t]; 199 String[] l4 = new String[t]; 200 String[] l5 = new String[t]; 201 for(int i = 0; i < da.length(); i++){ 202 if(da.shuming()[i].equals(da.shuming()[n])){ 203 for(int x = i + 1; x < da.length(); x++) { 204 l1[x-1] = da.shuming()[x]; 205 l2[x-1] = da.zuozhe()[x]; 206 l3[x-1] = da.chubanshe()[x]; 207 l4[x-1] = da.yijie()[x]; 208 l5[x-1] = da.jieshuren()[x]; 209 } 210 break; 211 }else{ 212 l1[i] = da.shuming()[i]; 213 l2[i] = da.zuozhe()[i]; 214 l3[i] = da.chubanshe()[i]; 215 l4[i] = da.yijie()[i]; 216 l5[i] = da.jieshuren()[i]; 217 } 218 } 219 da.shumingrewrite(l1); 220 da.zuozherewrite(l2); 221 da.chubansherewrite(l3); 222 da.yijierewrite(l4); 223 da.jieshurenrewrite(l5); 224 da.write(); 225 } 226 227 //学员借书情况 228 public String doinquiry(String p){ 229 da.read(); 230 String[] j = da.jieshuren(); 231 String s = ""; 232 for(int i = 0; i < j.length; i++){ 233 if(p.equals(j[i])){ 234 s = s + da.shuming()[i] + "、"; 235 } 236 } 237 if("".equals(s)){ 238 return "无"; 239 }else{ 240 s = s.substring(0,s.length()-1); 241 return s; 242 } 243 } 244 245 }
数据层
1 import java.io.*; 2 3 public class libData{ 4 5 public static String[] shuming= null; 6 public static String[] zuozhe= null; 7 public static String[] chubanshe= null; 8 public static String[] yijie= null; 9 public static String[] jieshuren= null; 10 11 //返回数组 12 public String[] shuming(){ 13 return shuming; 14 } 15 16 public String[] zuozhe(){ 17 return zuozhe; 18 } 19 20 public String[] chubanshe(){ 21 return chubanshe; 22 } 23 24 public String[] yijie(){ 25 return yijie; 26 } 27 28 public String[] jieshuren(){ 29 return jieshuren; 30 } 31 32 //返回数组长度 33 public int length(){ 34 return shuming.length; 35 } 36 37 //重写数组 38 public void shumingrewrite(String[] s){ 39 shuming = s; 40 } 41 42 public void zuozherewrite(String[] z){ 43 zuozhe = z; 44 } 45 46 public void chubansherewrite(String[] c){ 47 chubanshe = c; 48 } 49 50 public void yijierewrite(String[] y){ 51 yijie = y; 52 } 53 54 public void jieshurenrewrite(String[] j){ 55 jieshuren = j; 56 } 57 58 //更改数组元素 59 public void shumingrevise(String s, int n){ 60 shuming[n] = s; 61 } 62 63 public void zuozherevise(String z, int n){ 64 zuozhe[n] = z; 65 } 66 67 public void chubansherevise(String c, int n){ 68 chubanshe[n] = c; 69 } 70 71 public void yijierevise(String y, int n){ 72 yijie[n] = y; 73 } 74 75 public void jieshurenrevise(String j, int n){ 76 jieshuren[n] = j; 77 } 78 79 //读取密码 80 public String readpassword() { 81 FileReader fr = null; 82 BufferedReader br = null ; 83 try { 84 fr = new FileReader("admin.txt"); 85 br = new BufferedReader(fr) ; 86 87 return br.readLine(); 88 }catch(FileNotFoundException e){ 89 throw new RuntimeException(); 90 }catch(IOException e){ 91 throw new RuntimeException(); 92 }finally{ 93 try{ 94 if(br != null){ br.close(); } 95 if(fr != null){ fr.close(); } 96 }catch(IOException e){ 97 throw new RuntimeException(); 98 } 99 } 100 } 101 102 //读取 103 public void read(){ 104 FileReader fr = null; 105 BufferedReader br = null; 106 try { 107 fr = new FileReader("book.txt"); 108 br = new BufferedReader(fr) ; 109 110 String line1r = br.readLine(); 111 String[] line1 = line1r.split("："); 112 String shumingr = line1[1]; 113 shuming = shumingr.split("，"); 114 115 String line2r = br.readLine(); 116 String[] line2 = line2r.split("："); 117 String zuozher = line2[1]; 118 zuozhe = zuozher.split("，"); 119 120 String line3r = br.readLine(); 121 String[] line3 = line3r.split("："); 122 String chubansher = line3[1]; 123 chubanshe = chubansher.split("，"); 124 125 String line4r = br.readLine(); 126 String[] line4 = line4r.split("："); 127 String yijier = line4[1]; 128 yijie = yijier.split("，"); 129 130 String line5r = br.readLine(); 131 String[] line5 = line5r.split("："); 132 String jieshurenr = line5[1]; 133 jieshuren = jieshurenr.split("，"); 134 /* 135 for(int t = 0; t < shuming.length; t++){ 136 System.out.print(shuming[t]); 137 System.out.print(","); 138 } 139 System.out.println(""); 140 System.out.println(shuming.length); 141 */ 142 } catch (FileNotFoundException e) { 143 throw new RuntimeException(); 144 } catch (IOException e) { 145 throw new RuntimeException(); 146 }finally{ 147 try { 148 if(br != null){ 149 br.close(); 150 } 151 if(fr != null){ 152 fr.close(); 153 } 154 }catch (IOException e) { 155 throw new RuntimeException(); 156 } 157 } 158 } 159 160 //写入 161 public void write(){ 162 FileWriter fw = null; 163 BufferedWriter bw = null; 164 try{ 165 fw = new FileWriter("book.txt"); 166 bw = new BufferedWriter(fw); 167 168 String line1 = " 书 名 ："; 169 for(int i = 0; i < shuming.length; i++){ 170 line1 = line1 + shuming[i] + "，"; 171 } 172 line1 = line1.substring(0,line1.length()-1); 173 bw.write(line1); 174 bw.newLine(); 175 176 String line2 = " 作 者 ："; 177 for(int i = 0; i < zuozhe.length; i++){ 178 line2 = line2 + zuozhe[i] + "，"; 179 } 180 line2 = line2.substring(0,line2.length()-1); 181 bw.write(line2); 182 bw.newLine(); 183 184 String line3 = " 出 版 社 ："; 185 for(int i = 0; i < chubanshe.length; i++){ 186 line3 = line3 + chubanshe[i] + "，"; 187 } 188 line3 = line3.substring(0,line3.length()-1); 189 bw.write(line3); 190 bw.newLine(); 191 192 String line4 = "是否已借（是/否）："; 193 for(int i = 0; i < yijie.length; i++){ 194 line4 = line4 + yijie[i] + "，"; 195 } 196 line4 = line4.substring(0,line4.length()-1); 197 bw.write(line4); 198 bw.newLine(); 199 200 String line5 = "借书人（###/无）："; 201 for(int i = 0; i < jieshuren.length; i++){ 202 line5 = line5 + jieshuren[i] + "，"; 203 } 204 line5 = line5.substring(0,line5.length()-1); 205 bw.write(line5); 206 }catch(FileNotFoundException e){ 207 throw new RuntimeException(); 208 }catch(IOException e){ 209 throw new RuntimeException(); 210 }finally{ 211 try{ 212 if(bw != null){ bw.close(); } 213 if(fw != null){ fw.close(); } 214 }catch(IOException e){ 215 throw new RuntimeException(); 216 } 217 } 218 } 219 }
练习~图书管理系统
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