數(shù)據(jù)庫操作，網(wǎng)絡(luò)編程及多線程的綜合練習(xí)~

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客戶端：

UI層

1 import javax.swing.*; 2 import java.awt.*; 3 import java.awt.event.*; 4 5 public class ATMUI{ 6 7 //主方法 8 public static void main(String [] args){ 9 ATMUI ui = new ATMUI(); 10 ui.initBO(); 11 ui.initFrame(); 12 ui.showLogin(); 13 } 14 15 //初始化業(yè)務(wù)對象 16 //業(yè)務(wù)對象，每個用戶對于一個業(yè)務(wù)對象并保存該用戶數(shù)據(jù) 17 //因此，啟動程序和每次退出都要創(chuàng)建一個新的業(yè)務(wù)對象給下一個用戶使用 18 19 public ATMBO bo = null; 20 public void initBO(){ 21 bo = new ATMBO(); 22 } 23 24 //初始化主窗口 25 26 //界面寬與高 27 public int width = 960; 28 public int height = 660; 29 30 //界面窗口 31 public JFrame jFrame = null; 32 //層疊容器 33 public JLayeredPane layeredPane = null; 34 35 //背景層 36 public JPanel backLayer = null; 37 //前景層 38 public JPanel frontLayer = null; 39 //前景層布局器 40 public CardLayout cardLayout = null; 41 42 public void initFrame(){ 43 44 //-----初始化窗口與層疊容器------ 45 //創(chuàng)建窗口對象，窗口標題為———— 46 jFrame = new JFrame("ATM觸摸屏系統(tǒng)"); 47 48 //創(chuàng)建層疊容器對象 49 layeredPane = new JLayeredPane(); 50 //設(shè)置層疊容器大小 51 layeredPane.setPreferredSize(new Dimension(width, height)); 52 53 //把層疊容器添加到窗口中 54 jFrame.add(layeredPane); 55 //設(shè)置窗口不能放大縮小 56 jFrame.setResizable(false); 57 //設(shè)置窗口大小適應(yīng)內(nèi)容（層疊容器）大小 58 jFrame.pack(); 59 //設(shè)置窗口居中顯示 60 jFrame.setLocationRelativeTo(null); 61 //設(shè)置窗口可見（默認不可見） 62 jFrame.setVisible(true); 63 //設(shè)置窗口關(guān)閉時程序關(guān)閉 64 jFrame.addWindowListener(new WindowAdapter(){ 65 public void windowClosing(WindowEvent e){ 66 bo.socclose(); 67 System.exit(0); 68 } 69 }); 70 71 //----在層疊容器中加背景層---- 72 //創(chuàng)建背景層對象 73 backLayer = new JPanel(); 74 //設(shè)置背景層布局器FlowLayout的水平間距為0（默認是5） 75 ((FlowLayout)backLayer.getLayout()).setHgap(0); 76 //設(shè)置背景層布局器FlowLayout的垂直間距為0（默認是5） 77 ((FlowLayout)backLayer.getLayout()).setVgap(0); 78 79 //設(shè)置背景層大小（同窗口） 80 backLayer.setSize(width, height); 81 //設(shè)置背景層位置（相對于窗口左上角） 82 backLayer.setLocation(0, 0); 83 84 //創(chuàng)建背景圖對象 85 JLabel bg = new JLabel (new ImageIcon("img/bg.jpg")); 86 //在背景層中添加背景圖 87 backLayer.add(bg); 88 89 //把背景層添加到層疊容器的較底層 90 layeredPane.add(backLayer, new Integer(0)); 91 92 //-----在層疊容器中增加前景層----- 93 //創(chuàng)建前景層對象 94 frontLayer = new JPanel(); 95 //創(chuàng)建CardLayout布局器對象，水平、垂直間距為0 96 cardLayout = new CardLayout(0, 0); 97 //將前景層的布局器設(shè)成CardLayout 98 frontLayer.setLayout(cardLayout); 99 //把前景層的背景色設(shè)成透明（這樣才能看到背景層） 100 frontLayer.setOpaque(false); 101 //設(shè)置前景層大小（同窗口） 102 frontLayer.setSize(width, height); 103 //設(shè)置前景層位置（相對于窗口左上角） 104 frontLayer.setLocation(0, 0); 105 106 //把前景層添加到層疊容器的較頂層 107 layeredPane.add(frontLayer, new Integer(1)); 108 109 110 } 111 112 //登錄界面 113 //本案例中，前景界面層使用了CardLayout，是希望做到調(diào)用對應(yīng)的方法時，把對應(yīng)的層面調(diào)到最頂層即可；另外，每個層面第一次調(diào)用時，則初始化，后面的調(diào)用就可以直接把已初始化的層面調(diào)出并把些必須的組件重置即可 114 115 //登錄層容器 116 public JPanel loginPane = null; 117 //登錄卡號輸入框 118 public JTextField loginCodeInput = null; 119 //登錄密碼輸入框 120 public JPasswordField loginPassInput = null; 121 //登錄提示信息 122 public JLabel loginTipsLabel = null; 123 124 public void showLogin(){ 125 if(loginPane == null){ 126 //-----登錄層未初始化時---- 127 128 //創(chuàng)建登錄層容器對象 129 loginPane = new JPanel(); 130 //把登錄層的背景色設(shè)成透明 131 loginPane.setOpaque(false); 132 133 //---往登錄層容器中添加組件--- 134 //創(chuàng)建一個垂直BOX容器 135 Box loginBox = Box.createVerticalBox(); 136 //在垂直BoX中添加180高度的距離 137 loginBox.add(Box.createVerticalStrut(170)); 138 139 //創(chuàng)建一個歡迎信息容器 140 JPanel welcome_panel = new JPanel(); 141 //把歡迎信息容器的背景色設(shè)成透明 142 welcome_panel.setOpaque(false); 143 //創(chuàng)建歡迎信息”歡迎使用海閣銀行” 144 JLabel welcome_label = new JLabel("歡迎使用線上銀行"); 145 //設(shè)置信息字體 146 welcome_label.setForeground(Color.WHITE); 147 welcome_label.setFont(new Font("華文行楷", Font.PLAIN, 35)); 148 //把歡迎信息添加到歡迎信息容器中 149 welcome_panel.add(welcome_label); 150 //把歡迎信息容器添加到垂直Box容器中 151 loginBox.add(welcome_panel); 152 153 //在垂直BOX中添加30高度的距離 154 loginBox.add(Box.createVerticalStrut(30)); 155 //創(chuàng)津一個卡號輸入容器 156 JPanel code_panel = new JPanel(); 157 //把卡號輸入容器的背景色設(shè)成透明 158 code_panel.setOpaque(false); 159 //創(chuàng)津提示輸入卡號信息"請輸入卡號:" 160 JLabel code_label = new JLabel("請輸入卡號："); 161 //設(shè)置信息字體 162 code_label.setForeground(Color.WHITE); 163 code_label.setFont(new Font("華文仿宋", Font.BOLD, 25)); 164 //把提示輸入卡號信息添加到卡號輸入容器中 165 code_panel.add(code_label); 166 //創(chuàng)建卡號輸入框 167 loginCodeInput = new JTextField(10); 168 //設(shè)置卡號輸入框字體 169 loginCodeInput.setFont(new Font("華文仿宋", Font.PLAIN, 25)); 170 //把卡號輸入框添加到卡號輸入容器中 171 code_panel.add(loginCodeInput); 172 //把卡號輸入容器添加到垂直BOX容器中 173 loginBox.add(code_panel); 174 175 //在變直的X中添加20高度的距離 176 loginBox.add(Box.createVerticalStrut(20)); 177 178 //類似于卡號輸入塊，創(chuàng)建密碼輸入塊 179 JPanel pass_panel = new JPanel(); 180 pass_panel.setOpaque(false); 181 JLabel pass_label = new JLabel("請輸入密碼："); 182 pass_label.setForeground(Color.WHITE); 183 pass_label.setFont(new Font("華文仿宋",Font.BOLD, 25)); 184 pass_panel.add(pass_label); 185 loginPassInput = new JPasswordField(10); 186 loginPassInput.setFont(new Font("華文仿宋" , Font.PLAIN , 25)); 187 pass_panel.add(loginPassInput); 188 loginBox.add(pass_panel); 189 190 //在垂直BoX中添加孔高度的距離 191 loginBox.add(Box.createVerticalStrut(30)); 192 193 //創(chuàng)建按鈕容器 194 JPanel btn_panel = new JPanel(); 195 //把按鈕容器的背景色設(shè)成透明 196 btn_panel.setOpaque(false); 197 //創(chuàng)建登錄按鈕并設(shè)置字體 198 JButton login_btn = new JButton("登 錄"); 199 login_btn.setFont(new Font("微軟雅黑", Font.PLAIN, 15)); 200 //把登錄按鈕添加到按鈕容器中 201 btn_panel.add(login_btn); 202 203 //創(chuàng)建重置按鈕并設(shè)置字體 204 JButton reset_btn = new JButton("重 置"); 205 reset_btn.setFont ( new Font ("微軟雅黑", Font.PLAIN , 15)); 206 //把重置按鈕添加到按鈕容器中 207 btn_panel.add(reset_btn); 208 //把按鈕容器添加到垂直BOX容器中 209 loginBox.add(btn_panel); 210 211 //在垂直BoX中添加10高度的距離 212 loginBox.add(Box.createVerticalStrut(10)); 213 214 //創(chuàng)建登錄提示信息容器 215 JPanel tips_panel = new JPanel(); 216 //把登錄提示信息容器的背景色設(shè)成透明 217 tips_panel.setOpaque(false); 218 //創(chuàng)建登錄提示信息對象并設(shè)置字體（默認無提示文字） 219 loginTipsLabel = new JLabel(""); 220 loginTipsLabel.setForeground(new Color(238,32,32)); 221 loginTipsLabel.setFont(new Font("華文仿宋", Font.BOLD, 20)); 222 //把登錄提示信息添加到登錄提示信息容器中 223 tips_panel.add(loginTipsLabel); 224 //把登錄提示信息容器添加到垂直的boX容器中 225 loginBox.add(tips_panel); 226 //把垂直BoX容器添加到登錄層容器中 227 loginPane.add(loginBox); 228 229 //-----顯示登錄層----- 230 //把登錄層添加到前景層容器中 231 frontLayer.add("loginPane", loginPane); 232 //使登錄層在前景層容器中置于頂層顯示 233 cardLayout.show(frontLayer, "loginPane"); 234 //"刷新"前景層使其可視化 235 frontLayer.validate(); 236 //使卡號輸入框獲取焦點（方便直接輸入） 237 loginCodeInput.requestFocus(); 238 239 //-----監(jiān)聽重置按鈕事件----- 240 reset_btn.addActionListener(new ActionListener(){ 241 public void actionPerformed(ActionEvent ae){ 242 //清空卡號輸入框、密碼輸入框和提示信息 243 loginCodeInput.setText(""); 244 loginPassInput.setText(""); 245 loginTipsLabel.setText(""); 246 //使卡號輸入框獲取焦點 247 loginCodeInput.requestFocus(); 248 } 249 }); 250 251 //-----監(jiān)聽登錄按鈕事件------ 252 login_btn.addActionListener(new ActionListener(){ 253 public void actionPerformed(ActionEvent ae){ 254 //獲取用戶輸入的卡號和密碼 255 String code_str = loginCodeInput.getText(); 256 String pass_str = new String(loginPassInput.getPassword()); 257 //判斷輸入是否為空，為空則提示 258 if("".equals(code_str)){ 259 loginTipsLabel.setText("卡號不能為空！"); 260 loginCodeInput.requestFocus(); 261 }else if("".equals(pass_str)){ 262 loginTipsLabel.setText("密碼不能為空！"); 263 loginPassInput.requestFocus(); 264 }else{ 265 //若卡號和密碼輸入都不為空調(diào)用業(yè)務(wù)對象的登錄業(yè)務(wù)方法并返回結(jié)果 266 int login_rtn = bo.dologin(code_str, Integer.valueOf(pass_str)); 267 if(login_rtn == -2){ 268 //返回-2，表示網(wǎng)絡(luò)出現(xiàn)異常 269 loginTipsLabel.setText("出現(xiàn)異常!"); 270 }else if(login_rtn == -1){ 271 //返回-1，表示登錄成功，顯示主菜單界面 272 showMenu(); 273 }else if(login_rtn == 3){ 274 //返回3表示錯誤已超過3次，顯示吞卡提示界面 275 showTunka(); 276 }else{ 277 //返回非―1且非表示錯誤但未超過3次機會，提示輸入錯誤信息 278 loginCodeInput.setText(""); 279 loginPassInput.setText(""); 280 loginTipsLabel.setText("卡號或密碼錯誤，請重新輸入，您還有"+(3-login_rtn)+"次機會!"); 281 loginCodeInput.requestFocus(); 282 } 283 } 284 } 285 }); 286 }else{ 287 //-----登錄層已初始化---- 288 //使登錄層在前景層容器中置于頂層顯示 289 cardLayout.show(frontLayer, "loginPane"); 290 //重置 291 loginCodeInput.setText(""); 292 loginPassInput.setText(""); 293 loginTipsLabel.setText(""); 294 loginCodeInput.requestFocus(); 295 } 296 } 297 298 //吞卡提示界面 299 public JPanel tunkaPane = null; 300 301 public void showTunka(){ 302 if(tunkaPane == null){ 303 //----吞卡界面未初始化前----- 304 tunkaPane = new JPanel(); 305 tunkaPane.setOpaque(false); 306 307 //-----添加組件----- 308 Box tunkaBox = Box.createVerticalBox(); 309 310 tunkaBox.add(Box.createVerticalStrut(180)); 311 312 JPanel tunka_panel = new JPanel(); 313 tunka_panel.setOpaque(false); 314 JLabel tunka_label = new JLabel("您已超過3次輸入機會，系統(tǒng)吞卡，請聯(lián)系客服！"); 315 tunka_label.setForeground(Color.WHITE); 316 tunka_label.setFont(new Font("微軟雅黑",Font.PLAIN,25)); 317 tunka_panel.add(tunka_label); 318 tunkaBox.add(tunka_panel); 319 320 tunkaBox.add(Box.createVerticalStrut(30)); 321 322 JPanel btn_panel = new JPanel(); 323 btn_panel.setOpaque(false); 324 JButton tunka_btn = new JButton("確 定"); 325 tunka_btn.setFont(new Font("微軟雅黑", Font.PLAIN, 20)); 326 btn_panel.add(tunka_btn); 327 JButton zuobi_btn = new JButton("忘記密碼（^-^）"); 328 zuobi_btn.setFont(new Font("微軟雅黑", Font.PLAIN, 20)); 329 btn_panel.add(zuobi_btn); 330 tunkaBox.add(btn_panel); 331 332 tunkaPane.add(tunkaBox); 333 334 //吞卡提示界面 335 frontLayer.add("tunkaPane", tunkaPane); 336 cardLayout.show(frontLayer, "tunkaPane"); 337 frontLayer.validate(); 338 339 //監(jiān)聽按鈕事件 340 zuobi_btn.addActionListener(new ActionListener(){ 341 public void actionPerformed(ActionEvent ae){ 342 //shownopassword(); 343 } 344 }); 345 346 tunka_btn.addActionListener(new ActionListener(){ 347 public void actionPerformed(ActionEvent ae){ 348 349 quit(); 350 } 351 }); 352 353 }else{ 354 //----吞卡界面已初始化----- 355 cardLayout.show(frontLayer, "tunkaPane"); 356 } 357 } 358 359 //免密碼界面 360 /* 361 public JPanel nopasswordPane = null; 362 public JTextField nopinput = null; 363 public JLabel nopl = null; 364 365 public void shownopassword(){ 366 if(nopasswordPane == null){ 367 nopasswordPane = new JPanel(); 368 nopasswordPane.setOpaque(false); 369 370 Box nopasswordbox = Box.createVerticalBox(); 371 nopasswordPane.add(nopasswordbox); 372 373 nopasswordbox.add(Box.createVerticalStrut(200)); 374 375 JPanel nopshu = new JPanel(); 376 nopshu.setOpaque(false); 377 JLabel nopshutips = new JLabel("賬號："); 378 nopshutips.setForeground(Color.WHITE); 379 nopshutips.setFont(new Font("微軟雅黑", Font.PLAIN, 20)); 380 nopshu.add(nopshutips); 381 nopinput = new JTextField(10); 382 nopinput.setFont(new Font("華文仿宋", Font.PLAIN, 25)); 383 nopshu.add(nopinput); 384 nopasswordbox.add(nopshu); 385 386 nopasswordbox.add(Box.createVerticalStrut(30)); 387 388 JPanel nopbtn = new JPanel(); 389 nopbtn.setOpaque(false); 390 JButton nopqb = new JButton("確 定"); 391 nopqb.setFont(new Font("華文仿宋", Font.BOLD, 20)); 392 nopbtn.add(nopqb); 393 JButton nopfb = new JButton("返 回"); 394 nopfb.setFont(new Font("華文仿宋", Font.BOLD, 20)); 395 nopbtn.add(nopfb); 396 nopasswordbox.add(nopbtn); 397 398 nopasswordbox.add(Box.createVerticalStrut(30)); 399 400 JPanel noptips = new JPanel(); 401 noptips.setOpaque(false); 402 nopl = new JLabel(); 403 nopl.setForeground(new Color(238,32,32)); 404 nopl.setFont(new Font("華文仿宋", Font.BOLD, 20)); 405 noptips.add(nopl); 406 nopasswordbox.add(noptips); 407 408 //監(jiān)聽 409 nopqb.addActionListener(new ActionListener(){ 410 public void actionPerformed(ActionEvent ae){ 411 String nopget = nopinput.getText(); 412 bo.current_index = -1; 413 int p = -1; 414 bo.dologin(nopget, p); 415 if(bo.current_index == -1){ 416 nopinput.setText(""); 417 nopinput.requestFocus(); 418 nopl.setText("賬號輸入有誤！！"); 419 }else{ 420 showLogin(); 421 loginCodeInput.setText(serverBO.code[bo.current_index]); 422 Integer i = serverBO.password[bo.current_index]; 423 loginPassInput.setText(i.toString()); 424 bo.cs = 0; 425 nopl.setText(""); 426 nopinput.setText(""); 427 nopinput.requestFocus(); 428 } 429 } 430 }); 431 432 nopfb.addActionListener(new ActionListener(){ 433 public void actionPerformed(ActionEvent ae){ 434 nopinput.setText(""); 435 nopl.setText(""); 436 showLogin(); 437 bo.cs = 0; 438 } 439 }); 440 441 //設(shè)置界面 442 frontLayer.add("nopasswordPane", nopasswordPane); 443 cardLayout.show(frontLayer, "nopasswordPane"); 444 frontLayer.validate(); 445 nopinput.requestFocus(); 446 }else{ 447 cardLayout.show(frontLayer, "nopasswordPane"); 448 nopinput.requestFocus(); 449 } 450 }*/ 451 452 //主菜單界面 453 public JPanel menuPane = null; 454 455 public void showMenu(){ 456 if(menuPane == null){ 457 //----主菜單界面未初始化前---- 458 menuPane = new JPanel(); 459 menuPane.setOpaque(false); 460 menuPane.setLayout(new BorderLayout()); 461 462 //----添加組件---- 463 //頭部信息顯示快，位于北區(qū) 464 Box tipsBox = Box.createVerticalBox(); 465 menuPane.add(tipsBox, BorderLayout.NORTH); 466 467 tipsBox.add(Box.createVerticalStrut(150)); 468 469 JLabel tips_label = new JLabel("請選擇您要的服務(wù)"); 470 tips_label.setForeground(Color.WHITE); 471 tips_label.setFont(new Font("華文行楷", Font.PLAIN, 30)); 472 tips_label.setAlignmentX(Component.CENTER_ALIGNMENT); 473 tipsBox.add(tips_label); 474 475 //左欄按鈕區(qū)，位于西區(qū) 476 Box menuLeft = Box.createVerticalBox(); 477 menuPane.add(menuLeft, BorderLayout.WEST); 478 479 menuLeft.add(Box.createVerticalStrut(50)); 480 481 JButton chaxun_btn = new JButton("查詢余額"); 482 chaxun_btn.setFont(new Font("華文仿宋", Font.BOLD, 25)); 483 menuLeft.add(chaxun_btn); 484 485 menuLeft.add(Box.createVerticalStrut(100)); 486 487 JButton cunkuan_btn = new JButton("存 款"); 488 cunkuan_btn.setFont(new Font("華文仿宋", Font.BOLD, 25)); 489 menuLeft.add(cunkuan_btn); 490 491 menuLeft.add(Box.createVerticalStrut(100)); 492 493 JButton qukuan_btn = new JButton("取 款"); 494 qukuan_btn.setFont(new Font("華文仿宋", Font.BOLD, 25)); 495 menuLeft.add(qukuan_btn); 496 497 //右欄按鈕塊，位于東區(qū) 498 Box menuRight = Box.createVerticalBox(); 499 menuPane.add(menuRight, BorderLayout.EAST); 500 501 menuRight.add(Box.createVerticalStrut(50)); 502 503 JButton xiugai_btn = new JButton("修改密碼"); 504 xiugai_btn.setFont(new Font("華文仿宋", Font.BOLD, 25)); 505 xiugai_btn.setAlignmentX(Component.RIGHT_ALIGNMENT); 506 menuRight.add(xiugai_btn); 507 508 menuRight.add(Box.createVerticalStrut(100)); 509 510 JButton zhuanzhang_btn = new JButton("轉(zhuǎn) 賬"); 511 zhuanzhang_btn.setFont(new Font("華文仿宋", Font.BOLD, 25)); 512 zhuanzhang_btn.setAlignmentX(Component.RIGHT_ALIGNMENT); 513 menuRight.add(zhuanzhang_btn); 514 515 menuRight.add(Box.createVerticalStrut(100)); 516 517 JButton quit_btn = new JButton("退 卡"); 518 quit_btn.setFont(new Font("華文仿宋", Font.BOLD, 25)); 519 quit_btn.setAlignmentX(Component.RIGHT_ALIGNMENT); 520 menuRight.add(quit_btn); 521 522 //----顯示主菜單界面層---- 523 frontLayer.add("menuPane", menuPane); 524 cardLayout.show(frontLayer, "menuPane"); 525 frontLayer.validate(); 526 527 //監(jiān)聽 528 chaxun_btn.addActionListener(new ActionListener(){ 529 public void actionPerformed(ActionEvent ae){ 530 531 showChaxun(); 532 } 533 }); 534 535 cunkuan_btn.addActionListener(new ActionListener(){ 536 public void actionPerformed(ActionEvent ae){ 537 538 showCunkuan(); 539 } 540 }); 541 542 543 qukuan_btn.addActionListener(new ActionListener(){ 544 public void actionPerformed(ActionEvent ae){ 545 546 showQukuan(); 547 } 548 }); 549 550 xiugai_btn.addActionListener(new ActionListener(){ 551 public void actionPerformed(ActionEvent ae){ 552 553 showXiugai(); 554 } 555 }); 556 557 zhuanzhang_btn.addActionListener(new ActionListener(){ 558 public void actionPerformed(ActionEvent ae){ 559 560 showZhuanzhang(); 561 } 562 }); 563 564 quit_btn.addActionListener(new ActionListener(){ 565 public void actionPerformed(ActionEvent ae){ 566 567 quit(); 568 } 569 }); 570 571 }else{ 572 //----界面初始化后---- 573 cardLayout.show(frontLayer, "menuPane"); 574 } 575 } 576 577 //公共提示界面 578 public JPanel tishiPane = null; 579 public JLabel tishil = null; 580 public void showtishi(){ 581 if(tishiPane == null){ 582 //----未初始化---- 583 tishiPane = new JPanel(); 584 tishiPane.setOpaque(false); 585 586 //-----添加組件---- 587 Box tishibox = Box.createVerticalBox(); 588 tishiPane.add(tishibox); 589 590 tishibox.add(Box.createVerticalStrut(200)); 591 592 //提示語 593 JPanel tishi_p = new JPanel(); 594 tishi_p.setOpaque(false); 595 tishil = new JLabel(); 596 tishil.setForeground(Color.WHITE); 597 tishil.setFont(new Font("微軟雅黑", Font.PLAIN, 25)); 598 tishi_p.add(tishil); 599 tishibox.add(tishi_p); 600 601 tishibox.add(Box.createVerticalStrut(30)); 602 603 //按鈕 604 JPanel fanghui = new JPanel(); 605 fanghui.setOpaque(false); 606 JButton fhbtn = new JButton("返 回"); 607 fhbtn.setFont(new Font("華文仿宋", Font.BOLD, 20)); 608 fanghui.add(fhbtn); 609 tishibox.add(fanghui); 610 611 //監(jiān)聽 612 fhbtn.addActionListener(new ActionListener(){ 613 public void actionPerformed(ActionEvent ae){ 614 showMenu(); 615 } 616 }); 617 618 //設(shè)置界面 619 frontLayer.add("tishiPane", tishiPane); 620 cardLayout.show(frontLayer, "tishiPane"); 621 frontLayer.validate(); 622 623 }else{ 624 cardLayout.show(frontLayer, "tishiPane"); 625 } 626 } 627 628 //查詢界面 629 public void showChaxun(){ 630 showtishi(); 631 tishil.setText("您的賬戶余額是"+bo.dochaxun()+"元"); 632 } 633 634 //存款界面 635 public JPanel cunkuanPane = null; 636 public JTextField cuninput = null; 637 public JLabel cunl = null; 638 639 public void showCunkuan(){ 640 if(cunkuanPane == null){ 641 cunkuanPane = new JPanel(); 642 cunkuanPane.setOpaque(false); 643 644 Box cunkuanbox = Box.createVerticalBox(); 645 cunkuanPane.add(cunkuanbox); 646 647 cunkuanbox.add(Box.createVerticalStrut(200)); 648 649 JPanel cunshu = new JPanel(); 650 cunshu.setOpaque(false); 651 JLabel cunshutips = new JLabel("請輸入存款金額："); 652 cunshutips.setForeground(Color.WHITE); 653 cunshutips.setFont(new Font("微軟雅黑", Font.PLAIN, 25)); 654 cunshu.add(cunshutips); 655 cuninput = new JTextField(5); 656 cuninput.setFont(new Font("華文仿宋", Font.PLAIN, 30)); 657 cunshu.add(cuninput); 658 cunkuanbox.add(cunshu); 659 660 cunkuanbox.add(Box.createVerticalStrut(30)); 661 662 JPanel cunbtn = new JPanel(); 663 cunbtn.setOpaque(false); 664 JButton cunqb = new JButton("確 定"); 665 cunqb.setFont(new Font("華文仿宋", Font.BOLD, 20)); 666 cunbtn.add(cunqb); 667 JButton cunfb = new JButton("返 回"); 668 cunfb.setFont(new Font("華文仿宋", Font.BOLD, 20)); 669 cunbtn.add(cunfb); 670 cunkuanbox.add(cunbtn); 671 672 cunkuanbox.add(Box.createVerticalStrut(30)); 673 674 JPanel cuntips = new JPanel(); 675 cuntips.setOpaque(false); 676 cunl = new JLabel(); 677 cunl.setForeground(new Color(238,32,32)); 678 cunl.setFont(new Font("華文仿宋", Font.BOLD, 25)); 679 cuntips.add(cunl); 680 cunkuanbox.add(cuntips); 681 682 //監(jiān)聽 683 cunqb.addActionListener(new ActionListener(){ 684 public void actionPerformed(ActionEvent ae){ 685 String cunget = cuninput.getText(); 686 if("".equals(cunget)){ 687 cunl.setText("輸入不能為空！！"); 688 }else{ 689 double cunr = bo.docunkuan(Double.valueOf(cunget)); 690 if(cunr == 1){ 691 cuninput.setText(""); 692 cuninput.requestFocus(); 693 cunl.setText(""); 694 showCunkuanSuccess(); 695 }else{ 696 cunl.setText("您輸入的金額不是整百數(shù)值，請重新輸入！！"); 697 cuninput.setText(""); 698 cuninput.requestFocus(); 699 } 700 } 701 } 702 }); 703 704 cunfb.addActionListener(new ActionListener(){ 705 public void actionPerformed(ActionEvent ae){ 706 cuninput.setText(""); 707 cunl.setText(""); 708 showMenu(); 709 } 710 }); 711 712 //設(shè)置界面 713 frontLayer.add("cunkuanPane", cunkuanPane); 714 cardLayout.show(frontLayer, "cunkuanPane"); 715 frontLayer.validate(); 716 cuninput.requestFocus(); 717 }else{ 718 cardLayout.show(frontLayer, "cunkuanPane"); 719 cuninput.requestFocus(); 720 } 721 } 722 723 //存款成功提示界面 724 public void showCunkuanSuccess(){ 725 showtishi(); 726 tishil.setText("存款成功！您的賬戶余額為"+bo.dochaxun()+"元"); 727 } 728 729 //取款界面 730 public JPanel qukuanPane = null; 731 public JTextField quinput = null; 732 public JLabel qul = null; 733 734 public void showQukuan(){ 735 if(qukuanPane == null){ 736 qukuanPane = new JPanel(); 737 qukuanPane.setOpaque(false); 738 739 Box qukuanbox = Box.createVerticalBox(); 740 qukuanPane.add(qukuanbox); 741 742 qukuanbox.add(Box.createVerticalStrut(200)); 743 744 JPanel qushu = new JPanel(); 745 qushu.setOpaque(false); 746 JLabel qushutips = new JLabel("請輸入取款金額："); 747 qushutips.setForeground(Color.WHITE); 748 qushutips.setFont(new Font("微軟雅黑", Font.PLAIN, 25)); 749 qushu.add(qushutips); 750 quinput = new JTextField(5); 751 quinput.setFont(new Font("華文仿宋", Font.PLAIN, 30)); 752 qushu.add(quinput); 753 qukuanbox.add(qushu); 754 755 qukuanbox.add(Box.createVerticalStrut(30)); 756 757 JPanel qubtn = new JPanel(); 758 qubtn.setOpaque(false); 759 JButton quqb = new JButton("確 定"); 760 quqb.setFont(new Font("華文仿宋", Font.BOLD, 20)); 761 qubtn.add(quqb); 762 JButton qufb = new JButton("返 回"); 763 qufb.setFont(new Font("華文仿宋", Font.BOLD, 20)); 764 qubtn.add(qufb); 765 qukuanbox.add(qubtn); 766 767 qukuanbox.add(Box.createVerticalStrut(30)); 768 769 JPanel qutips = new JPanel(); 770 qutips.setOpaque(false); 771 qul = new JLabel(); 772 qul.setForeground(new Color(238,32,32)); 773 qul.setFont(new Font("華文仿宋", Font.BOLD, 25)); 774 qutips.add(qul); 775 qukuanbox.add(qutips); 776 777 //監(jiān)聽 778 quqb.addActionListener(new ActionListener(){ 779 public void actionPerformed(ActionEvent ae){ 780 String quget = quinput.getText(); 781 if("".equals(quget)){ 782 qul.setText("輸入不能為空！！"); 783 }else{ 784 int qur = bo.doqukuan(Double.valueOf(quget)); 785 if(qur == 1){ 786 quinput.setText(""); 787 quinput.requestFocus(); 788 qul.setText(""); 789 showQukuanSuccess(); 790 }else{ 791 qul.setText("您的賬戶余額不足！！"); 792 quinput.setText(""); 793 quinput.requestFocus(); 794 } 795 } 796 } 797 }); 798 799 qufb.addActionListener(new ActionListener(){ 800 public void actionPerformed(ActionEvent ae){ 801 quinput.setText(""); 802 qul.setText(""); 803 showMenu(); 804 } 805 }); 806 807 //設(shè)置界面 808 frontLayer.add("qukuanPane", qukuanPane); 809 cardLayout.show(frontLayer, "qukuanPane"); 810 frontLayer.validate(); 811 quinput.requestFocus(); 812 }else{ 813 cardLayout.show(frontLayer, "qukuanPane"); 814 quinput.requestFocus(); 815 } 816 } 817 818 //取款成功提示界面 819 public void showQukuanSuccess(){ 820 showtishi(); 821 tishil.setText("取款成功！您的賬戶余額為"+bo.dochaxun()+"元"); 822 } 823 824 //修改密碼界面 825 public JPanel xiugaiPane = null; 826 public JPasswordField jiuinput = null; 827 public JPasswordField xininput = null; 828 public JPasswordField queinput = null; 829 public JLabel xiul = null; 830 831 public void showXiugai(){ 832 if(xiugaiPane == null){ 833 xiugaiPane = new JPanel(); 834 xiugaiPane.setOpaque(false); 835 836 Box xiugaibox = Box.createVerticalBox(); 837 xiugaiPane.add(xiugaibox); 838 839 xiugaibox.add(Box.createVerticalStrut(180)); 840 841 //舊密碼輸入 842 JPanel jiushu = new JPanel(); 843 jiushu.setOpaque(false); 844 JLabel jiushutips = new JLabel("請輸入舊密碼："); 845 jiushutips.setForeground(Color.WHITE); 846 jiushutips.setFont(new Font("微軟雅黑", Font.PLAIN, 20)); 847 jiushu.add(jiushutips); 848 jiuinput = new JPasswordField(10); 849 jiuinput.setFont(new Font("華文仿宋", Font.PLAIN, 25)); 850 jiushu.add(jiuinput); 851 xiugaibox.add(jiushu); 852 853 xiugaibox.add(Box.createVerticalStrut(15)); 854 855 //新密碼輸入 856 JPanel xinshu = new JPanel(); 857 xinshu.setOpaque(false); 858 JLabel xinshutips = new JLabel("請輸入新密碼："); 859 xinshutips.setForeground(Color.WHITE); 860 xinshutips.setFont(new Font("微軟雅黑", Font.PLAIN, 20)); 861 xinshu.add(xinshutips); 862 xininput = new JPasswordField(10); 863 xininput.setFont(new Font("華文仿宋", Font.PLAIN, 25)); 864 xinshu.add(xininput); 865 xiugaibox.add(xinshu); 866 867 xiugaibox.add(Box.createVerticalStrut(15)); 868 869 //新密碼確定 870 JPanel queshu = new JPanel(); 871 queshu.setOpaque(false); 872 JLabel queshutips = new JLabel("請確認新密碼："); 873 queshutips.setForeground(Color.WHITE); 874 queshutips.setFont(new Font("微軟雅黑", Font.PLAIN, 20)); 875 queshu.add(queshutips); 876 queinput = new JPasswordField(10); 877 queinput.setFont(new Font("華文仿宋", Font.PLAIN, 25)); 878 queshu.add(queinput); 879 xiugaibox.add(queshu); 880 881 xiugaibox.add(Box.createVerticalStrut(30)); 882 883 //按鈕 884 JPanel xiubtn = new JPanel(); 885 xiubtn.setOpaque(false); 886 JButton xiuqb = new JButton("確 定"); 887 xiuqb.setFont(new Font("華文仿宋", Font.BOLD, 20)); 888 xiubtn.add(xiuqb); 889 JButton xiufb = new JButton("返 回"); 890 xiufb.setFont(new Font("華文仿宋", Font.BOLD, 20)); 891 xiubtn.add(xiufb); 892 xiugaibox.add(xiubtn); 893 894 xiugaibox.add(Box.createVerticalStrut(30)); 895 896 //提示語 897 JPanel xiutips = new JPanel(); 898 xiutips.setOpaque(false); 899 xiul = new JLabel(); 900 xiul.setForeground(new Color(238,32,32)); 901 xiul.setFont(new Font("華文仿宋", Font.BOLD, 25)); 902 xiutips.add(xiul); 903 xiugaibox.add(xiutips); 904 905 //監(jiān)聽 906 xiuqb.addActionListener(new ActionListener(){ 907 public void actionPerformed(ActionEvent ae){ 908 String jiustr = new String(jiuinput.getPassword()); 909 String xinstr = new String(xininput.getPassword()); 910 String questr = new String(queinput.getPassword()); 911 912 if("".equals(jiustr)){ 913 xiul.setText("舊密碼不能為空！！"); 914 jiuinput.requestFocus(); 915 }else if("".equals(xinstr)){ 916 xiul.setText("新密碼不能為空！！"); 917 xininput.requestFocus(); 918 }else if("".equals(questr)){ 919 xiul.setText("請再次輸入新密碼！！"); 920 queinput.requestFocus(); 921 }else{ 922 int n = bo.doxiugai(Integer.valueOf(jiustr), Integer.valueOf(xinstr), Integer.valueOf(questr)); 923 924 if(n == -1){ 925 xiul.setText("出現(xiàn)異常！"); 926 }else if(n == 0){ 927 jiuinput.setText(""); 928 xininput.setText(""); 929 queinput.setText(""); 930 xiul.setText("舊密碼輸入有誤！！"); 931 }else if(n == 1){ 932 jiuinput.setText(""); 933 xininput.setText(""); 934 queinput.setText(""); 935 showXiugaiSuccess(); 936 }else{ 937 xininput.setText(""); 938 queinput.setText(""); 939 xiul.setText("兩次密碼輸入不一致！！"); 940 } 941 } 942 } 943 }); 944 945 xiufb.addActionListener(new ActionListener(){ 946 public void actionPerformed(ActionEvent ae){ 947 jiuinput.setText(""); 948 xininput.setText(""); 949 queinput.setText(""); 950 xiul.setText(""); 951 showMenu(); 952 } 953 }); 954 955 //界面設(shè)置 956 frontLayer.add("xiugaiPane", xiugaiPane); 957 cardLayout.show(frontLayer, "xiugaiPane"); 958 frontLayer.validate(); 959 jiuinput.requestFocus(); 960 }else{ 961 cardLayout.show(frontLayer, "xiugaiPane"); 962 jiuinput.setText(""); 963 xininput.setText(""); 964 queinput.setText(""); 965 xiul.setText(""); 966 jiuinput.requestFocus(); 967 } 968 } 969 970 //密碼修改成功提示界面 971 public JPanel xiusuc = null; 972 973 public void showXiugaiSuccess(){ 974 if(xiusuc == null){ 975 xiusuc = new JPanel(); 976 xiusuc.setOpaque(false); 977 978 //組件 979 Box xiusbox = Box.createVerticalBox(); 980 xiusuc.add(xiusbox); 981 982 xiusbox.add(Box.createVerticalStrut(200)); 983 984 JPanel xiusp = new JPanel(); 985 xiusp.setOpaque(false); 986 JLabel xiustips = new JLabel("修改密碼成功！請按確認重新登陸"); 987 xiustips.setForeground(Color.WHITE); 988 xiustips.setFont(new Font("微軟雅黑", Font.PLAIN, 25)); 989 xiusp.add(xiustips); 990 xiusbox.add(xiusp); 991 992 xiusbox.add(Box.createVerticalStrut(30)); 993 994 JPanel xiubq = new JPanel(); 995 xiubq.setOpaque(false); 996 JButton xiusbtn = new JButton("確 認"); 997 xiusbtn.setFont(new Font("華文仿宋", Font.BOLD, 20)); 998 xiubq.add(xiusbtn); 999 xiusbox.add(xiubq); 1000 1001 //監(jiān)聽 1002 xiusbtn.addActionListener(new ActionListener(){ 1003 public void actionPerformed(ActionEvent ae){ 1004 bo.cs = 0; 1005 showLogin(); 1006 } 1007 }); 1008 1009 //設(shè)置界面 1010 frontLayer.add("xiusuc", xiusuc); 1011 cardLayout.show(frontLayer, "xiusuc"); 1012 frontLayer.validate(); 1013 1014 }else{ 1015 cardLayout.show(frontLayer, "xiusuc"); 1016 } 1017 } 1018 1019 //轉(zhuǎn)賬界面 1020 public JPanel zhuanpane = null; 1021 public JTextField kahaoinput = null; 1022 public JTextField jineinput = null; 1023 public JLabel zhuantips = null; 1024 public void showZhuanzhang(){ 1025 if(zhuanpane == null){ 1026 //組件 1027 zhuanpane = new JPanel(); 1028 zhuanpane.setOpaque(false); 1029 1030 Box zhuanbox = Box.createVerticalBox(); 1031 zhuanpane.add(zhuanbox); 1032 1033 zhuanbox.add(Box.createVerticalStrut(200)); 1034 1035 JPanel kahaop = new JPanel(); 1036 kahaop.setOpaque(false); 1037 JLabel kahaot = new JLabel("請輸入轉(zhuǎn)賬賬號："); 1038 kahaot.setForeground(Color.WHITE); 1039 kahaot.setFont(new Font("微軟雅黑", Font.PLAIN, 25)); 1040 kahaoinput = new JTextField(10); 1041 kahaoinput.setFont(new Font("華文仿宋", Font.PLAIN, 30)); 1042 kahaop.add(kahaot); 1043 kahaop.add(kahaoinput); 1044 zhuanbox.add(kahaop); 1045 1046 zhuanbox.add(Box.createVerticalStrut(15)); 1047 1048 JPanel jinep = new JPanel(); 1049 jinep.setOpaque(false); 1050 JLabel jinet = new JLabel("請輸入轉(zhuǎn)賬金額："); 1051 jinet.setForeground(Color.WHITE); 1052 jinet.setFont(new Font("微軟雅黑", Font.PLAIN, 25)); 1053 jineinput = new JTextField(10); 1054 jineinput.setFont(new Font("華文仿宋", Font.PLAIN, 30)); 1055 jinep.add(jinet); 1056 jinep.add(jineinput); 1057 zhuanbox.add(jinep); 1058 1059 zhuanbox.add(Box.createVerticalStrut(30)); 1060 1061 JPanel zhuanbp = new JPanel(); 1062 zhuanbp.setOpaque(false); 1063 JButton zhuanqbtn = new JButton("確 認"); 1064 zhuanqbtn.setFont(new Font("華文仿宋", Font.BOLD, 20)); 1065 JButton zhuanfbtn = new JButton("返 回"); 1066 zhuanfbtn.setFont(new Font("華文仿宋", Font.BOLD, 20)); 1067 zhuanbp.add(zhuanqbtn); 1068 zhuanbp.add(zhuanfbtn); 1069 zhuanbox.add(zhuanbp); 1070 1071 zhuanbox.add(Box.createVerticalStrut(30)); 1072 1073 JPanel zhuantp = new JPanel(); 1074 zhuantp.setOpaque(false); 1075 zhuantips = new JLabel(); 1076 zhuantips.setForeground(new Color(238,32,32)); 1077 zhuantips.setFont(new Font("華文仿宋", Font.BOLD, 25)); 1078 zhuantp.add(zhuantips); 1079 zhuanbox.add(zhuantp); 1080 1081 //監(jiān)聽 1082 zhuanqbtn.addActionListener(new ActionListener(){ 1083 public void actionPerformed(ActionEvent ae){ 1084 String zh = kahaoinput.getText(); 1085 String je = jineinput.getText(); 1086 if("".equals(zh)){ 1087 zhuantips.setText("轉(zhuǎn)賬賬戶不能為空！"); 1088 kahaoinput.requestFocus(); 1089 }else if("".equals(je)){ 1090 zhuantips.setText("轉(zhuǎn)賬金額不能為空！"); 1091 jineinput.requestFocus(); 1092 }else{ 1093 int f = bo.dozhuanzhang(zh, Double.valueOf(je)); 1094 if(f == -1){ 1095 zhuantips.setText("出現(xiàn)異常！"); 1096 }else if(f == 0){ 1097 zhuantips.setText("轉(zhuǎn)賬賬戶不存在！"); 1098 }else if(f == 1){ 1099 zhuantips.setText("您不能為自己轉(zhuǎn)賬！"); 1100 }else if(f == 2){ 1101 zhuantips.setText("轉(zhuǎn)賬金額超過賬戶余額！"); 1102 }else{ 1103 showZhuanzhangsuccess(); 1104 } 1105 } 1106 } 1107 }); 1108 1109 zhuanfbtn.addActionListener(new ActionListener(){ 1110 public void actionPerformed(ActionEvent ae){ 1111 showMenu(); 1112 } 1113 }); 1114 1115 //界面 1116 frontLayer.add("zhuan", zhuanpane); 1117 cardLayout.show(frontLayer, "zhuan"); 1118 frontLayer.validate(); 1119 kahaoinput.requestFocus(); 1120 }else{ 1121 cardLayout.show(frontLayer, "zhuan"); 1122 zhuantips.setText(""); 1123 kahaoinput.setText(""); 1124 jineinput.setText(""); 1125 kahaoinput.requestFocus(); 1126 } 1127 } 1128 1129 //轉(zhuǎn)賬成功提示界面 1130 public void showZhuanzhangsuccess(){ 1131 showtishi(); 1132 tishil.setText("轉(zhuǎn)款成功！您的賬戶余額為"+bo.dochaxun()+"元"); 1133 } 1134 1135 //退卡 1136 public void quit(){ 1137 //重新初始化業(yè)務(wù)對象 1138 initBO(); 1139 //重新顯示登錄界面 1140 showLogin(); 1141 } 1142 1143 } View Code

業(yè)務(wù)層

1 import java.io.*; 2 import java.net.*; 3 4 public class ATMBO{ 5 //服務(wù)端ip 6 public String ip = "127.0.0.1"; 7 //服務(wù)器端口 8 public int port = 5000; 9 //存儲當前賬號游標 10 public String current_code = null; 11 //儲存錯誤次數(shù) 12 public int cs = 0; 13 14 //創(chuàng)建Socket對象 15 Socket socket = null; 16 DataOutputStream output = null; 17 DataInputStream input = null; 18 19 //登陸業(yè)務(wù) 20 //1.用戶輸入的卡號和密碼作為登錄業(yè)務(wù)方法的兩個參數(shù)，有前面ATMUI類調(diào)用的時候傳入 21 //2.登陸業(yè)務(wù)處理后要“告知”ATMUI類結(jié)果，因此設(shè)一個int返回值，如果卡號和密碼都正確，登陸成功，則返回-1，若果卡號和密碼都不正確，則返回錯誤次數(shù)（超過3次吞卡），因此，當前賬戶登錄錯誤次數(shù)也要作為全局變量儲存起來。 22 23 24 public int dologin(String code_input, int password_input){ 25 int rtn = -1; 26 try{ 27 //通過服務(wù)器ip和端口，創(chuàng)建Socket對象，連接服務(wù)器 28 socket = new Socket(ip, port); 29 30 //獲取Socket輸出流，并包裝為DataOutputStream 31 output = new DataOutputStream(socket.getOutputStream()); 32 //拼接要傳輸?shù)膮?shù) 33 String send = "dologin&" +code_input+"&"+password_input; 34 //加密輸出 35 encryptWrite(send, output); 36 37 //獲取Socket輸入流，并包裝為DataInputStream 38 input = new DataInputStream(socket.getInputStream()); 39 //獲取并解密，接收返回結(jié)果 40 String receive = readDecrypt(input); 41 if("-1".equals(receive)){ 42 cs++; 43 rtn = cs; 44 }else{ 45 current_code = receive; 46 rtn = -1; 47 } 48 return rtn; 49 }catch(Exception ex){ 50 ex.printStackTrace(); 51 return -2; 52 } 53 54 } 55 56 //查詢業(yè)務(wù) 57 public double dochaxun(){ 58 double rtn = 0; 59 try{ 60 String send = "dochaxun&"+current_code; 61 encryptWrite(send, output); 62 63 String receive = readDecrypt(input); 64 rtn = Double.valueOf(receive); 65 }catch(Exception ex){ 66 ex.printStackTrace(); 67 } 68 return rtn; 69 } 70 71 //存款業(yè)務(wù) 72 public double docunkuan(double cunkuan){ 73 double rtn = 0; 74 try{ 75 76 String send = "docunkuan&"+current_code+"&"+cunkuan; 77 encryptWrite(send, output); 78 79 String receive = readDecrypt(input); 80 rtn = Double.valueOf(receive); 81 }catch(Exception ex){ 82 ex.printStackTrace(); 83 } 84 return rtn; 85 } 86 87 //取款業(yè)務(wù) 88 public int doqukuan(double qukuan){ 89 int rtn = 0; 90 try{ 91 String send = "doqukuan&"+current_code+"&"+qukuan; 92 encryptWrite(send, output); 93 94 String receive = readDecrypt(input); 95 rtn = Integer.valueOf(receive); 96 97 }catch(Exception ex){ 98 ex.printStackTrace(); 99 } 100 return rtn; 101 } 102 103 //密碼修改業(yè)務(wù) 104 public int doxiugai(int jiu, int xin, int que){ 105 int rtn = -1; 106 try{ 107 String send = "doxiugai&"+current_code+"&"+ jiu +"&"+ xin +"&"+ que; 108 encryptWrite(send, output); 109 110 String receive = readDecrypt(input); 111 rtn = Integer.valueOf(receive); 112 113 }catch(Exception ex){ 114 ex.printStackTrace(); 115 } 116 return rtn; 117 } 118 119 //轉(zhuǎn)賬業(yè)務(wù) 120 public int dozhuanzhang(String z, double m){ 121 int rtn = -1; 122 try{ 123 String send = "dozhuanzhang&"+current_code+"&"+ z +"&"+ m; 124 encryptWrite(send, output); 125 126 String receive = readDecrypt(input); 127 rtn = Integer.valueOf(receive); 128 129 }catch(Exception ex){ 130 ex.printStackTrace(); 131 } 132 return rtn; 133 } 134 135 136 //加密輸出 137 public void encryptWrite(String src, DataOutputStream output) throws IOException{ 138 //將一個字符串轉(zhuǎn)換成字符數(shù)組 139 char[] char_arr = src.toCharArray(); 140 //對每個字符·進行加密操作 141 for(int i=0; i<char_arr.length; i++){ 142 output.writeChar(char_arr[i] + 12); 143 } 144 //在輸出內(nèi)容后加一個特殊符號作為結(jié)束符 145 output.writeChar(33333); 146 //刷寫內(nèi)容 147 output.flush(); 148 } 149 150 //讀取解密 151 public String readDecrypt(DataInputStream input) throws IOException{ 152 String rtn = ""; 153 154 while(true) { 155 //從輸出流中讀取一個字符，直到結(jié)束符 156 int char_src = input.readChar(); 157 if(char_src != 33333){ 158 rtn = rtn + (char)(char_src - 12); 159 }else{ 160 break; 161 } 162 } 163 return rtn; 164 } 165 166 public void socclose() { 167 try { 168 if(output != null){output.close();} 169 if(input != null){input.close();} 170 if(socket != null){socket.close();} 171 } catch (IOException e) { 172 e.printStackTrace(); 173 } 174 } 175 176 } View Code

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服務(wù)端：

1 import java.io.*; 2 import java.net.*; 3 import java.sql.*; 4 5 public class serverBO{ 6 7 public static void main(String [] args){ 8 //定義serverSocket，用于監(jiān)聽某個端口，等待客戶端連接 9 ServerSocket server_socket = null; 10 11 try{ 12 //創(chuàng)建ServerSocket對象，監(jiān)聽端口5000 13 server_socket = new ServerSocket(5000); 14 System.out.println("ready"); 15 while(true){ 16 //調(diào)用ServerSocket的accept方法，等待客戶端連接，成功連接之后，返回Socket對象 17 Socket socket = server_socket.accept(); 18 19 new thread(socket).start(); 20 } 21 }catch(Exception ex){ 22 ex.printStackTrace(); 23 }finally{ 24 try{ 25 //關(guān)閉ServerSocket 26 if(server_socket != null){ 27 server_socket.close(); 28 } 29 }catch(Exception ex){ 30 ex.printStackTrace(); 31 } 32 } 33 } 34 35 //登陸業(yè)務(wù) 36 //1.用戶輸入的卡號和密碼作為登錄業(yè)務(wù)方法的兩個參數(shù)，有前面ATMUI類調(diào)用的時候傳入 37 //2.登陸業(yè)務(wù)處理后要“告知”ATMUI類結(jié)果，因此設(shè)一個int返回值，如果卡號和密碼都正確，登陸成功，則返回-1，若果卡號和密碼都不正確，則返回錯誤次數(shù)（超過3次吞卡），因此，當前賬戶登錄錯誤次數(shù)也要作為全局變量儲存起來。 38 39 public String dologin(String code_input, int password_input){ 40 //定義數(shù)據(jù)庫連接對象 41 Connection conn = null; 42 //定義傳輸對象statement 43 Statement stmt = null; 44 //定義結(jié)果焦對象ResultSet 45 ResultSet rs = null; 46 try{ 47 //加載Driver驅(qū)動 48 Class.forName("com.mysql.jdbc.Driver"); 49 //創(chuàng)建數(shù)據(jù)庫連接對象Connection 50 conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/bank", "root", "root"); 51 //創(chuàng)建一個向數(shù)據(jù)庫發(fā)送命令并返回結(jié)果的傳送對象statement 52 stmt =conn.createStatement(); 53 54 //定義sql命令，查詢符合輸入的卡號和密碼的數(shù)據(jù) 55 String sql = "select * from account where code = '"+code_input + "' and password = " + password_input; 56 //將sql命令通過sql傳送對象Statement傳送到數(shù)據(jù)庫執(zhí)行，并返回卡號 57 rs = stmt.executeQuery(sql); 58 59 //處理結(jié)果集 60 if(rs.next()){ 61 //如果存在符合輸入的卡號和密碼條件的數(shù)據(jù)，表示登錄成功，返回卡號 62 return code_input; 63 }else{ 64 //如果不存在該數(shù)據(jù)，表示登錄失敗，返回“-1” 65 return "-1"; 66 } 67 }catch(Exception e){ 68 e.printStackTrace(); 69 //有異常返回-1 70 return "-1"; 71 }finally{ 72 try{ 73 if(rs != null){ rs.close();} 74 if(stmt != null){stmt.close();} 75 if(conn != null){conn.close();} 76 }catch(Exception e){ 77 e.printStackTrace(); 78 } 79 } 80 81 } 82 83 //查詢業(yè)務(wù) 84 public double dochaxun(String current_code){ 85 double rtn = 0.0; 86 87 //定義數(shù)據(jù)庫連接對象 88 Connection conn = null; 89 //定義傳輸對象statement 90 Statement stmt = null; 91 //定義結(jié)果焦對象ResultSet 92 ResultSet rs = null; 93 94 try{ 95 //加載Driver驅(qū)動 96 Class.forName("com.mysql.jdbc.Driver"); 97 //創(chuàng)建數(shù)據(jù)庫連接對象Connection 98 conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/bank", "root", "root"); 99 //創(chuàng)建一個向數(shù)據(jù)庫發(fā)送命令并返回結(jié)果的傳送對象statement 100 stmt =conn.createStatement(); 101 102 //定義sql命令，查詢對應(yīng)卡號的余額 103 String sql = "select money from account where code = '"+current_code + "'"; 104 //將sql命令通過sql傳送對象Statement傳送到數(shù)據(jù)庫執(zhí)行，并返回結(jié)果集 105 rs = stmt.executeQuery(sql); 106 107 //處理結(jié)果集 108 if(rs.next()){ 109 //獲取余額信息 110 rtn = rs.getDouble("money"); 111 } 112 }catch(Exception e){ 113 e.printStackTrace(); 114 }finally{ 115 try{ 116 if(rs != null){ rs.close();} 117 if(stmt != null){stmt.close();} 118 if(conn != null){conn.close();} 119 }catch(Exception e){ 120 e.printStackTrace(); 121 } 122 } 123 return rtn; 124 } 125 126 //存款業(yè)務(wù) 127 public int docunkuan(String current_code, double cunkuan){ 128 double ck = cunkuan; 129 double p = ck/100; 130 int c = (int) p; 131 if(c == p) { 132 //定義數(shù)據(jù)庫連接對象 133 Connection conn = null; 134 //定義傳輸對象statement 135 Statement stmt = null; 136 137 try{ 138 //加載Driver驅(qū)動 139 Class.forName("com.mysql.jdbc.Driver"); 140 //創(chuàng)建數(shù)據(jù)庫連接對象Connection 141 conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/bank", "root", "root"); 142 //創(chuàng)建一個向數(shù)據(jù)庫發(fā)送命令并返回結(jié)果的傳送對象statement 143 stmt =conn.createStatement(); 144 145 //定義sql命令，修改對應(yīng)卡號的余額 146 String sql = "update account set money = money + "+cunkuan+" where code = '" + current_code + "'"; 147 //將sql命令通過sql傳送對象Statement傳送到數(shù)據(jù)庫執(zhí)行 148 stmt.executeUpdate(sql); 149 }catch(Exception e){ 150 e.printStackTrace(); 151 }finally{ 152 try{ 153 if(stmt != null){stmt.close();} 154 if(conn != null){conn.close();} 155 }catch(Exception e){ 156 e.printStackTrace(); 157 } 158 } 159 return 1; 160 }else{ 161 return 0; 162 } 163 } 164 165 //取款業(yè)務(wù) 166 public int doqukuan(String current_code, double qukuan){ 167 double money = dochaxun(current_code); 168 if(qukuan > money){ 169 return 0; 170 }else{ 171 Connection conn = null; 172 Statement stmt = null; 173 174 try{ 175 Class.forName("com.mysql.jdbc.Driver"); 176 conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/bank", "root", "root"); 177 stmt =conn.createStatement(); 178 179 String sql = "update account set money = money - "+ qukuan + " where code = '" + current_code + "'"; 180 stmt.executeUpdate(sql); 181 }catch(Exception e){ 182 e.printStackTrace(); 183 }finally{ 184 try{ 185 if(stmt != null){stmt.close();} 186 if(conn != null){conn.close();} 187 }catch(Exception e){ 188 e.printStackTrace(); 189 } 190 } 191 return 1; 192 } 193 } 194 195 //密碼修改業(yè)務(wù) 196 public int doxiugai(String current_code, int jiu, int xin, int que){ 197 Connection conn = null; 198 Statement stmt = null; 199 ResultSet rs = null; 200 try{ 201 Class.forName("com.mysql.jdbc.Driver"); 202 conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/bank", "root", "root"); 203 stmt =conn.createStatement(); 204 205 String sql = "select * from account where code = '"+current_code + "'"; 206 rs = stmt.executeQuery(sql); 207 208 //處理結(jié)果集 209 rs.next(); 210 int password = rs.getInt("password"); 211 212 //密碼修改 213 if(jiu == password){ 214 if(xin == que){ 215 String sql1 = "update account set password = " + xin + " where code = '"+current_code + "'"; 216 stmt.executeUpdate(sql1); 217 return 1; 218 }else{ 219 return 2; 220 } 221 }else{ 222 return 0; 223 } 224 225 }catch(Exception e){ 226 e.printStackTrace(); 227 return 0; 228 }finally{ 229 try{ 230 if(rs != null){ rs.close();} 231 if(stmt != null){stmt.close();} 232 if(conn != null){conn.close();} 233 }catch(Exception e){ 234 e.printStackTrace(); 235 } 236 } 237 } 238 239 //轉(zhuǎn)賬業(yè)務(wù) 240 public int dozhuanzhang(String current_code, String z, double m){ 241 Connection conn = null; 242 Statement stmt = null; 243 ResultSet rs = null; 244 245 try{ 246 Class.forName("com.mysql.jdbc.Driver"); 247 conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/bank", "root", "root"); 248 stmt = conn.createStatement(); 249 250 String sql = "select * from account where code = '"+z + "'"; 251 rs = stmt.executeQuery(sql); 252 if(!(rs.next())){ 253 return 0; 254 }else{ 255 String zcode = rs.getString("code"); 256 if(zcode.equals(current_code)){ 257 return 1; 258 } 259 } 260 double money = dochaxun(current_code); 261 if(m > money){ 262 return 2; 263 } 264 265 try{ 266 //設(shè)置事務(wù)的提交方式為非自動提交 267 conn.setAutoCommit(false); 268 String sql1 = "update account set money = money - "+ m + " where code = '" + current_code + "'"; 269 String sql2 = "update account set money = money + "+ m + " where code = '" + z + "'"; 270 stmt.executeUpdate(sql1); 271 stmt.executeUpdate(sql2); 272 //提交事務(wù)： 273 conn.commit(); 274 return 3; 275 }catch(SQLException e){ 276 conn.rollback(); 277 e.printStackTrace(); 278 return -1; 279 }finally{ 280 conn.setAutoCommit(true); 281 } 282 }catch(Exception e){ 283 e.printStackTrace(); 284 return -1; 285 }finally{ 286 try{ 287 if(rs != null){ rs.close();} 288 if(stmt != null){stmt.close();} 289 if(conn != null){conn.close();} 290 }catch(Exception e){ 291 e.printStackTrace(); 292 } 293 } 294 } 295 296 //加密輸出 297 public void encryptWrite(String src, DataOutputStream output) throws IOException{ 298 //將一個字符串轉(zhuǎn)換成字符數(shù)組 299 char[] char_arr = src.toCharArray(); 300 //對每個字符·進行加密操作 301 for(int i=0; i<char_arr.length; i++){ 302 output.writeChar(char_arr[i] + 12); 303 } 304 //在輸出內(nèi)容后加一個特殊符號作為結(jié)束符 305 output.writeChar(33333); 306 //刷寫內(nèi)容 307 output.flush(); 308 } 309 310 //讀取解密 311 public String readDecrypt(DataInputStream input) throws IOException{ 312 String rtn = ""; 313 314 while(true) { 315 //從輸出流中讀取一個字符，直到結(jié)束符 316 int char_src = input.readChar(); 317 if(char_src != 33333){ 318 rtn = rtn + (char)(char_src - 12); 319 }else{ 320 break; 321 } 322 } 323 return rtn; 324 } 325 326 } 327 328 //線程 329 class thread extends Thread{ 330 serverBO bo = new serverBO(); 331 332 Socket socket = null; 333 DataInputStream input; 334 DataOutputStream output; 335 public thread(Socket s){ 336 socket = s; 337 try { 338 input = new DataInputStream(socket.getInputStream()); 339 output = new DataOutputStream(socket.getOutputStream()); 340 } catch (IOException e) { 341 e.printStackTrace(); 342 } 343 } 344 345 public void run(){ 346 try { 347 while (true) { 348 //讀取并解密 349 String receive = bo.readDecrypt(input); 350 //現(xiàn)在從客戶端傳輸過來的數(shù)據(jù)格式為“參數(shù)1&參數(shù)2&參數(shù)3...”，因此要進行解析 351 //其中第一個參數(shù)是指要調(diào)用的業(yè)務(wù)方法 352 String[] param = receive.split("&"); 353 if ("dologin".equals(param[0])) { 354 //登陸業(yè)務(wù)：第二個參數(shù)是用戶輸入的卡號；第三個是密碼 355 String send = bo.dologin(param[1], Integer.valueOf(param[2])); 356 //把業(yè)務(wù)處理結(jié)果加密并輸出返回 357 bo.encryptWrite(String.valueOf(send), output); 358 } else if ("dochaxun".equals(param[0])) { 359 //查詢業(yè)務(wù)：第2個參數(shù)是當前賬號的游標 360 double send = bo.dochaxun(param[1]); 361 //把業(yè)務(wù)處理結(jié)果加密并輸出返回 362 bo.encryptWrite(String.valueOf(send), output); 363 } else if ("docunkuan".equals(param[0])) { 364 //存款業(yè)務(wù)：第二個參數(shù)是當前賬號的游標，第三個是用戶輸入的金額 365 int send = bo.docunkuan(param[1], 366 Double.valueOf(param[2])); 367 bo.encryptWrite(String.valueOf(send), output); 368 } else if ("doqukuan".equals(param[0])) { 369 //取款業(yè)務(wù) 370 int send = bo.doqukuan(param[1], 371 Double.valueOf(param[2])); 372 bo.encryptWrite(String.valueOf(send), output); 373 } else if ("dozhuanzhang".equals(param[0])) { 374 //轉(zhuǎn)帳業(yè)務(wù) 375 int send = bo.dozhuanzhang(param[1], 376 param[2], Double.valueOf(param[3])); 377 bo.encryptWrite(String.valueOf(send), output); 378 } else if ("doxiugai".equals(param[0])) { 379 //密碼修改業(yè)務(wù) 380 int send = bo.doxiugai(param[1], 381 Integer.valueOf(param[2]), 382 Integer.valueOf(param[3]), 383 Integer.valueOf(param[4])); 384 bo.encryptWrite(String.valueOf(send), output); 385 } 386 } 387 } catch (EOFException e) { 388 System.out.println("線程關(guān)閉"); 389 } catch (SocketException e) { 390 System.out.println("socket關(guān)閉，線程結(jié)束"); 391 } catch (IOException e) { 392 e.printStackTrace(); 393 } finally{ 394 try { 395 if(input != null){ input.close();} 396 if(output != null){ output.close();} 397 if(socket != null){ socket.close();} 398 } catch (IOException e) { 399 e.printStackTrace(); 400 } 401 } 402 } 403 } View Code

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轉(zhuǎn)載于:https://www.cnblogs.com/fu-feng/p/6766430.html

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