1 import java.awt.Dimension; 2 import java.awt.FlowLayout; 3 import java.awt.GridLayout; 4 import java.awt.Toolkit; 5 import java.awt.event.ActionEvent; 6 import java.awt.event.ActionListener; 7 8 import javax.swing.JButton; 9 import javax.swing.JFrame; 10 import javax.swing.JLabel; 11 import javax.swing.JOptionPane; 12 import javax.swing.JPanel; 13 import javax.swing.JTextField; 14 import javax.swing.Timer; 15 16 public class Jiemian extends JFrame implements ActionListener{ 17 18 /** 19 * @param args 20 */ 21 private Timer tmr; 22 String result; 23 int dadui=0; 24 JLabel L1=new JLabel("设置时间:"); 25 JLabel L2=new JLabel("实际用时:"); 26 JLabel L3=new JLabel("输入你想要的题数（最多1--5）:"); 27 JLabel L4=new JLabel("你答对的题目数有:"); 28 JLabel L5=new JLabel("温馨提示:"); 29 JLabel L6=new JLabel("="); 30 JLabel Q1=new JLabel(" "); 31 JLabel Q2=new JLabel(" "); 32 JLabel Q3=new JLabel(" "); 33 JLabel Q4=new JLabel(" "); 34 JTextField T1=new JTextField(10); 35 JTextField T2=new JTextField(10); 36 JTextField T3=new JTextField(3); 37 JTextField T4=new JTextField(3); 38 JTextField T5=new JTextField(3); 39 JTextField T6=new JTextField(3); 40 JTextField T7=new JTextField(3); 41 JTextField T8=new JTextField(20); 42 JTextField T9=new JTextField(3); 43 44 JButton B1=new JButton("确定"); 45 JButton B5=new JButton("确定"); 46 JButton B2=new JButton("出题"); 47 JButton B3=new JButton("确定答案！"); 48 JButton B4=new JButton("下一题！"); 49 50 51 52 53 54 public Jiemian(){ 55 super("CHENGXU"); 56 this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 57 this.setPreferredSize(new Dimension(300,600)); 58 this.getContentPane(); 59 this.pack(); 60 FlowLayout layout = new FlowLayout(FlowLayout.CENTER,5,20); 61 this.setLayout(layout); 62 this.add(L1);this.add(T1);this.add(B1);this.add(L2);this.add(T2);this.add(Q1); 63 this.add(L3);this.add(T3);this.add(B5); 64 this.add(B2);this.add(B2); 65 this.add(T4);this.add(T5);this.add(T6);this.add(L6);this.add(T7); 66 this.add(B3);this.add(B4);this.add(Q2); 67 this.add(L5);this.add(T8); 68 this.add(L4);this.add(T9);this.add(Q3); 69 70 B1.addActionListener(this); 71 72 B2.addActionListener(this); 73 74 B3.addActionListener(this); 75 Timer tmr = new Timer(1000, this);//间隔1秒 76 this.tmr = tmr;//添加时间 77 B4.addActionListener(this); 78 79 B5.addActionListener(this); 80 81 82 int width = Toolkit.getDefaultToolkit().getScreenSize().width; //把框在屏幕中间显示 83 int height = Toolkit.getDefaultToolkit().getScreenSize().height; 84 this.setLocation(width / 2 - 300, height / 2 - 200); 85 86 this.setVisible(true); 87 this.setResizable(false); 88 89 90 91 } 92 93 94 95 96 public void actionPerformed(ActionEvent e) 97 { 98 if(e.getSource()==B1)//当获取的资源是按钮1时 99 {100 try101 {102 T2.setText(String.valueOf(T1.getText()));//在显示时间框里显示以获取的时间103 104 int n1=120,n2=5;105 if(n1<(Integer.parseInt(T2.getText())))106 { //当设置时间超过120秒，弹出对话框107 JOptionPane.showMessageDialog(null, "时间不能超过120秒！");108 this.setVisible(false);109 }110 if(n2<(Integer.parseInt(T3.getText())))111 { //当选择题目个数超过5个，弹出对话框112 JOptionPane.showMessageDialog(null, "选择题数不能超过五个！");113 this.setVisible(false);114 }115 tmr.start();//开始计时116 }117 catch(NullPointerException o)118 {119 120 }121 //suijishu();//调用产生随机数题目122 // startTime= System.currentTimeMillis(); //获取开始时间123 T2.setText(String.valueOf(T1.getText()));124 }125 else{126 int m = Integer.parseInt(T2.getText());127 m--;128 T2.setText("" + m);129 if (m <= 0) 130 {131 tmr.stop();132 JOptionPane.showMessageDialog(null, "超出答题时间！");133 this.setVisible(false);134 }135 } 136 137 138 if(e.getSource()==B5)//当获取的资源是按钮1时139 {140 int num=(int) Double.parseDouble(T3.getText());141 System.out.println(num);142 143 if(5<(Integer.parseInt(T3.getText())))144 { //当选择题目个数超过5个，弹出对话框145 JOptionPane.showMessageDialog(null, "选择题数不能超过五个！");146 this.setVisible(false);147 }148 149 }150 151 152 153 154 if(e.getSource()==B2)//当获取的资源是按钮1时155 {156 int fuhao1=(int) (Math.random()*11/3+1);157 switch (fuhao1)158 {159 case 1:160 {161 int leixing=(int) (Math.random()*8/3+1);//1表示整数,2表示分数，3表示阶乘;162 switch(leixing)163 {164 case 1:165 {166 int shu1=(int) (Math.random()*10+1);167 int shu2=(int) (Math.random()*10+1);168 T4.setText(String.valueOf(shu1));169 T6.setText(String.valueOf(shu2));170 T5.setText(String.valueOf("+"));171 result=String.valueOf(shu1+shu2);172 if(e.getSource()==B3)173 {174 if(result==T7.getText())175 {176 T8.setText("答案正确！");177 }178 else179 T8.setText("答案错误！正确答案是"+result);180 dadui++;181 }182 183 }break;184 case 2:185 {186 int shu1=(int) (Math.random()*10+1);187 int shu2=(int) (Math.random()*10+1);188 int shu3=(int) (Math.random()*10+1);189 int shu4=(int) (Math.random()*10+1);190 if(shu1>shu2)191 {192 int temp=shu1;193 shu1=shu2;194 shu2=temp;195 }196 if(shu3>shu4)197 {198 int temp=shu3;199 shu3=shu4;200 shu4=temp;201 }202 203 T4.setText(String.valueOf(shu1+"/"+shu2));204 T6.setText(String.valueOf(shu3+"/"+shu4));205 T5.setText(String.valueOf("+"));206 int res1=(shu1*shu4)+(shu2*shu3);207 int res2=shu2*shu4;208 int pan=0;209 if(res1>res2)210 {211 pan=res2;212 }213 else214 {215 pan=res1;216 }217 for(int i=pan;i>0;i--)218 {219 if(res1%pan==0&&res2%pan==0)220 {221 res1=res1/pan;222 res2=res2/pan;223 if(res1>res2)224 {225 pan=res2;226 }227 else228 {229 pan=res1;230 }231 i=pan;232 }233 }234 235 result=String.valueOf(shu1+"/"+shu2);236 if(e.getSource()==B3)237 {238 if(result==T7.getText())239 {240 T8.setText("答案正确！");241 }242 else243 T8.setText("答案错误！正确答案是"+result);244 dadui++;245 }246 }break;247 case 3:248 {249 250 int shu1=(int) (Math.random()*9+1);251 int res1=shu1;252 T6.setText(String.valueOf("!"+shu1));253 for(int i=shu1-1;i>0;i--)254 {255 res1=res1*i;256 }257 result=String.valueOf(res1);258 if(e.getSource()==B3)259 {260 if(result==T7.getText())261 {262 T8.setText("答案正确！");263 }264 else265 T8.setText("答案错误！正确答案是"+result);266 dadui++;267 }268 }break;269 270 }271 272 }break;273 case 2:274 {275 int leixing=(int) (Math.random()*8/3+1);//1表示整数,2表示分数，3表示阶乘;276 switch(leixing)277 {278 case 1:279 {280 int shu1=(int) (Math.random()*10+1);281 int shu2=(int) (Math.random()*10+1);282 T4.setText(String.valueOf(shu1));283 T6.setText(String.valueOf(shu2));284 T5.setText(String.valueOf("-"));285 result=String.valueOf(shu1-shu2);286 if(e.getSource()==B3)287 {288 if(result==T7.getText())289 {290 T8.setText("答案正确！");291 }292 else293 T8.setText("答案错误！正确答案是"+result);294 dadui++;295 }296 }break;297 case 2:298 {299 int shu1=(int) (Math.random()*10+1);300 int shu2=(int) (Math.random()*10+1);301 int shu3=(int) (Math.random()*10+1);302 int shu4=(int) (Math.random()*10+1);303 if(shu1>shu2)304 {305 int temp=shu1;306 shu1=shu2;307 shu2=temp;308 }309 if(shu3>shu4)310 {311 int temp=shu3;312 shu3=shu4;313 shu4=temp;314 }315 316 T4.setText(String.valueOf(shu1+"/"+shu2));317 T6.setText(String.valueOf(shu3+"/"+shu4));318 T5.setText(String.valueOf("-"));319 int res1=(shu1*shu4)-(shu2*shu3);320 int res2=shu2*shu4;321 int pan=0;322 if(res1>res2)323 {324 pan=res2;325 }326 else327 {328 pan=res1;329 }330 for(int i=pan;i>0;i--)331 {332 if(res1%pan==0&&res2%pan==0)333 {334 res1=res1/pan;335 res2=res2/pan;336 if(res1>res2)337 {338 pan=res2;339 }340 else341 {342 pan=res1;343 }344 i=pan;345 }346 }347 348 result=String.valueOf(shu1+"/"+shu2);349 if(e.getSource()==B3)350 {351 if(result==T7.getText())352 {353 T8.setText("答案正确！");354 }355 else356 T8.setText("答案错误！正确答案是"+result);357 dadui++;358 }359 }break;360 case 3:361 {362 363 int shu1=(int) (Math.random()*9+1);364 int res1=shu1;365 T6.setText(String.valueOf("!"+shu1));366 for(int i=shu1-1;i>0;i--)367 {368 res1=res1*i;369 }370 result=String.valueOf(res1);371 if(e.getSource()==B3)372 {373 if(result==T7.getText())374 {375 T8.setText("答案正确！");376 }377 else378 T8.setText("答案错误！正确答案是"+result);379 dadui++;380 }381 }break;382 383 }384 385 }break;386 case 3:387 {388 int leixing=(int) (Math.random()*8/3+1);//1表示整数,2表示分数，3表示阶乘;389 switch(leixing)390 {391 case 1:392 {393 int shu1=(int) (Math.random()*10+1);394 int shu2=(int) (Math.random()*10+1);395 T4.setText(String.valueOf(shu1));396 T6.setText(String.valueOf(shu2));397 T5.setText(String.valueOf("*"));398 result=String.valueOf(shu1*shu2);399 if(e.getSource()==B3)400 {401 if(result==T7.getText())402 {403 T8.setText("答案正确！");404 }405 else406 T8.setText("答案错误！正确答案是"+result);407 dadui++;408 }409 }break;410 case 2:411 {412 int shu1=(int) (Math.random()*10+1);413 int shu2=(int) (Math.random()*10+1);414 int shu3=(int) (Math.random()*10+1);415 int shu4=(int) (Math.random()*10+1);416 if(shu1>shu2)417 {418 int temp=shu1;419 shu1=shu2;420 shu2=temp;421 }422 if(shu3>shu4)423 {424 int temp=shu3;425 shu3=shu4;426 shu4=temp;427 }428 429 T4.setText(String.valueOf(shu1+"/"+shu2));430 T6.setText(String.valueOf(shu4+"/"+shu3));431 T5.setText(String.valueOf("*"));432 int res1=(shu1)*(shu3);433 int res2=shu2*shu4;434 int pan=0;435 if(res1>res2)436 {437 pan=res2;438 }439 else440 {441 pan=res1;442 }443 for(int i=pan;i>0;i--)444 {445 if(res1%pan==0&&res2%pan==0)446 {447 res1=res1/pan;448 res2=res2/pan;449 if(res1>res2)450 {451 pan=res2;452 }453 else454 {455 pan=res1;456 }457 i=pan;458 }459 }460 461 result=String.valueOf(shu1+"/"+shu2);462 if(e.getSource()==B3)463 {464 if(result==T7.getText())465 {466 T8.setText("答案正确！");467 }468 else469 T8.setText("答案错误！正确答案是"+result);470 dadui++;471 }472 }break;473 case 3:474 {475 476 int shu1=(int) (Math.random()*9+1);477 int res1=shu1;478 T6.setText(String.valueOf("!"+shu1));479 for(int i=shu1-1;i>0;i--)480 {481 res1=res1*i;482 }483 result=String.valueOf(res1);484 if(e.getSource()==B3)485 {486 if(result==T7.getText())487 {488 T8.setText("答案正确！");489 }490 else491 T8.setText("答案错误！正确答案是"+result);492 dadui++;493 }494 }break;495 496 }497 498 }break;499 case 4:500 {501 int leixing=(int) (Math.random()*8/3+1);//1表示整数,2表示分数，3表示阶乘;502 switch(leixing)503 {504 case 1:505 {506 int shu1=(int) (Math.random()*10+1);507 int shu2=(int) (Math.random()*10+1);508 T4.setText(String.valueOf(shu1));509 T6.setText(String.valueOf(shu2));510 T5.setText(String.valueOf("/"));511 result=String.valueOf(shu1/shu2);512 if(e.getSource()==B3)513 {514 if(result==T7.getText())515 {516 T8.setText("答案正确！");517 }518 else519 T8.setText("答案错误！正确答案是"+result);520 dadui++;521 }522 }break;523 case 2:524 {525 int shu1=(int) (Math.random()*10+1);526 int shu2=(int) (Math.random()*10+1);527 int shu3=(int) (Math.random()*10+1);528 int shu4=(int) (Math.random()*10+1);529 if(shu1>shu2)530 {531 int temp=shu1;532 shu1=shu2;533 shu2=temp;534 }535 if(shu3>shu4)536 {537 int temp=shu3;538 shu3=shu4;539 shu4=temp;540 }541 542 T4.setText(String.valueOf(shu1+"/"+shu2));543 T6.setText(String.valueOf(shu3+"/"+shu4));544 T5.setText(String.valueOf("/"));545 int res1=shu1*shu4;546 int res2=shu2*shu3;547 int pan=0;548 if(res1>res2)549 {550 pan=res2;551 }552 else553 {554 pan=res1;555 }556 for(int i=pan;i>0;i--)557 {558 if(res1%pan==0&&res2%pan==0)559 {560 res1=res1/pan;561 res2=res2/pan;562 if(res1>res2)563 {564 pan=res2;565 }566 else567 {568 pan=res1;569 }570 i=pan;571 }572 }573 574 result=String.valueOf(shu1+"/"+shu2);575 if(e.getSource()==B3)576 {577 if(result==T7.getText())578 {579 T8.setText("答案正确！");580 }581 else582 T8.setText("答案错误！正确答案是"+result);583 dadui++;584 }585 }break;586 case 3:587 {588 589 int shu1=(int) (Math.random()*9+1);590 int res1=shu1;591 T6.setText(String.valueOf("!"+shu1));592 for(int i=shu1-1;i>0;i--)593 {594 res1=res1*i;595 }596 result=String.valueOf(res1);597 if(e.getSource()==B3)598 {599 if(result==T7.getText())600 {601 T8.setText("答案正确！");602 }603 else604 T8.setText("答案错误！正确答案是"+result);605 dadui++;606 }607 }break;608 609 }610 611 }break;612 }613 614 }615 616 617 618 }619 620 621 622 623 624 625 public static void main(String[] args) {626 // TODO Auto-generated method stub627 new Jiemian();628 629 630 }631 632 }633 634 心得：这个作业较难，遇到很多问题，程序还不够完善。635 同队的小伙伴：软一46号杨灵超 http://www.cnblogs.com/Lingchao/