201771010102 常惠琢 2018面向对象程序设计（JAVA）第18周学习总结

Posted 2021-01-30 hongyanohongyan

实验十八  总复习

实验时间 2018-12-30

1、实验目的与要求

(1) 综合掌握java基本程序结构； 

(2) 综合掌握java面向对象程序设计特点；

(3) 综合掌握java GUI 程序设计结构；

(4) 综合掌握java多线程编程模型；

(5) 综合编程练习。

2、实验内容和步骤

任务1：填写课程课后调查问卷，网址：https://www.wjx.cn/jq/33108969.aspx。

任务2：综合编程练习

练习1：设计一个用户信息采集程序，要求如下：

（1） 用户信息输入界面如下图所示:

 

（1）用户点击提交按钮时，用户输入信息显示控制台界面；

（2）用户点击重置按钮后，清空用户已输入信息；

（3）点击窗口关闭，程序退出。

 1 package 图形用户界面;
 2 
 3 import java.awt.EventQueue;
 4 
 5 import javax.swing.JFrame;
 6 
 7 public class Gui {
 8 
 9        public static void main(String[] args)
10        {
11           EventQueue.invokeLater(() -> {
12              JFrame frame = new FrameTest();
13              frame.setTitle(" 常惠琢");
14              frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
15              frame.setVisible(true);
16           });
17        }
18     }

Gui

  1 package 图形用户界面;
  2 
  3 import java.awt.*;
  4 import java.awt.event.ActionEvent;
  5 import java.awt.event.ActionListener;
  6 import java.util.*;
  7 import javax.swing.*;
  8 
  9 class FrameTest extends JFrame
 10 {
 11     
 12     private JPanel panel;
 13     private JTextArea text,text2;
 14     private JRadioButton JRadioButton1,JRadioButton2;
 15     private ButtonGroup ButtonGroup;
 16     private JLabel JLabel;
 17     private JCheckBox h1,h2,h3;
 18     private JComboBox<String> JComboBox;
 19     private JButton Button,Button2;
 20     
 21     
 22    public FrameTest()
 23    {
 24       setSize(700,500);
 25       panel=new JPanel();
 26       panel.setLayout(null);
 27 
 28       ButtonGroup=new ButtonGroup();
 29       JRadioButton1=new JRadioButton("Male",false);   JRadioButton1.setBounds(150,330, 80, 50);
 30       JRadioButton2=new JRadioButton("Female",false); JRadioButton2.setBounds(150,300, 80,50);
 31       ButtonGroup.add(JRadioButton1);
 32       ButtonGroup.add(JRadioButton2);
 33       
 34       addJLabel("sex:",100,300);
 35       addJLabel("name:",100,50);
 36       addJLabel("address:",100,150);
 37       addJLabel("Qualification:",400,50);
 38       addJLabel("Hobby:",400,150);
 39       
 40       
 41       text=new JTextArea(1,1);text.setBounds(150,70, 120, 30);text.setLineWrap(true);
 42       text2=new JTextArea(5,3);text2.setBounds(150,160, 130, 100);text2.setLineWrap(true);
 43       
 44       
 45       h1=new JCheckBox("Reading");h1.setBounds(450,160,100,30);
 46       h2=new JCheckBox("dancing");h2.setBounds(450,180,100,30);
 47       h3=new JCheckBox("singing");h3.setBounds(450,200,100,30);
 48 
 49       
 50       JComboBox=new JComboBox<>();
 51       JComboBox.addItem("Graduate");
 52       JComboBox.addItem("Graduate1");
 53       JComboBox.addItem("Graduate2");
 54       JComboBox.setBounds(500,65, 100, 20);
 55       
 56       Button = new JButton("提交");Button.setBounds(200, 400, 100, 35);
 57       Button2 = new JButton("重置");Button2.setBounds(400, 400, 100, 35);
 58 
 59       Button.addActionListener(new Action1());
 60       Button2.addActionListener(new Action2());
 61       
 62       panel.add(h1);
 63       panel.add(h2);
 64       panel.add(h3);
 65       panel.add(Button);
 66       panel.add(Button2);
 67       panel.add(JComboBox);
 68       panel.add(text);
 69       panel.add(text2);
 70       panel.add(JRadioButton1);
 71       panel.add(JRadioButton2);
 72       add(panel);
 73       
 74       
 75    }
 76    
 77    
 78    public void addJLabel(String n,int a,int b)
 79    {
 80        JLabel = new JLabel(n);
 81        JLabel.setBounds(a,b,100,50);
 82        panel.add(JLabel);
 83    }
 84 
 85    private class Action1 implements ActionListener
 86    {
 87    public void actionPerformed(ActionEvent event)
 88        {        
 89        System.out.println("name:"+text.getText()+"
"+"address:"+text2.getText());
 90        System.out.println("Qualification:"+JComboBox.getSelectedItem());
 91        System.out.println("Hobby:");
 92        if(h1.isSelected()==true)System.out.print(h1.getText());
 93        if(h2.isSelected()==true)System.out.print(h2.getText());
 94        if(h3.isSelected()==true)System.out.print(h3.getText());
 95        System.out.println("
"+"sex:");
 96        if(JRadioButton1.isSelected()==true)System.out.println(JRadioButton1.getText());
 97        if(JRadioButton2.isSelected()==true)System.out.println(JRadioButton2.getText());
 98        System.out.println("
");
 99        }
100    } 
101    private class Action2 implements ActionListener
102    {
103    public void actionPerformed(ActionEvent event)
104        {        
105        text.setText(null);
106        text2.setText(null);
107        h1.setSelected(false);
108        h2.setSelected(false);
109        h3.setSelected(false);
110        ButtonGroup.clearSelection();
111        JComboBox.setSelectedIndex(0);
112        }
113    }   
114    private class Action21 implements ActionListener
115    {
116    public void actionPerformed(ActionEvent event)
117        {        
118        text.setText(null);
119        text2.setText(null);
120        h1.setSelected(false);
121        h2.setSelected(false);
122        h3.setSelected(false);
123        ButtonGroup.clearSelection();
124        JComboBox.setSelectedIndex(0);
125        }
126    }   
127 }

FrameTest

练习2：采用GUI界面设计以下程序：

l 编制一个程序，将身份证号.txt 中的信息读入到内存中；

l 按姓名字典序输出人员信息；

l 查询最大年龄的人员信息；

l 查询最小年龄人员信息；

l 输入你的年龄，查询身份证号.txt中年龄与你最近人的姓名、身份证号、年龄、性别和出生地；

l 查询人员中是否有你的同乡。

l 输入身份证信息，查询所提供身份证号的人员信息，要求输入一个身份证数字时，查询界面就显示满足查询条件的查询结果，且随着输入的数字的增多，查询匹配的范围逐渐缩小。

  1 package unsynch;
  2 
  3 import java.awt.BorderLayout;
  4 import java.awt.event.ActionEvent;
  5 import java.awt.event.ActionListener;
  6 import java.io.BufferedReader;
  7 import java.io.File;
  8 import java.io.FileInputStream;
  9 import java.io.FileNotFoundException;
 10 import java.io.IOException;
 11 import java.io.InputStreamReader;
 12 import java.util.*;
 13 import java.util.Timer;
 14 import javax.swing.*;
 15 
 16 public class Main1 extends JFrame
 17 {
 18     private static ArrayList<Person> Personlist;
 19     
 20     
 21     Scanner scanner = new Scanner(System.in);
 22     File file = new File("F:\\身份证号.txt");
 23     
 24     private JPanel Panel;
 25     private JLabel JLabel1;
 26     private JButton Button,Button2,Button3;
 27     private JTextArea text,text1,text2,text3;
 28     boolean tru=true;
 29     
 30     
 31     
 32     public  Main1() {
 33 
 34         
 35         Panel = new JPanel();Panel.setLayout(null);
 36         Button = new JButton("1:按姓名字典序输出人员信息");
 37         Button2 = new JButton("2:查询最大年龄与最小年龄人员信息");
 38         Button3 = new JButton("查询相近年龄");
 39         JLabel1 = new JLabel("输入身份证号或者地址查询");JLabel1.setBounds(900, 50, 400, 30);
 40         
 41         text=new JTextArea(30,80);text.setBounds(50, 180, 700, 700);
 42         text1=new JTextArea(1,30);text1.setBounds(900, 80, 400, 30);
 43         text2=new JTextArea(30,80);text2.setBounds(900,180,700, 700);
 44         text3=new JTextArea(30,80);text3.setBounds(420,100,200,40);
 45        
 46         Button.addActionListener(new Action());Button.setBounds(50,50,300,40);
 47         Button2.addActionListener(new Action1());Button2.setBounds(50,100,300,40);
 48         Button3.addActionListener(new Action2());Button3.setBounds(650,100,120,40);
 49         Panel.add(JLabel1);
 50         Panel.add(Button);
 51         Panel.add(Button2);
 52         Panel.add(Button3);
 53         Panel.add(text);
 54         Panel.add(text2);           Panel.add(text1);
 55         Panel.add(text3);
 56         add(Panel);
 57         
 58         
 59         Timer timer = new Timer();      
 60         TimerTask timeTask=new TimerTask() {
 61             
 62              @Override
 63             public void run()
 64              {             
 65                      // TODO Auto-generated method stub
 66                      text2.setText(null);
 67                      String place=text1.getText().toString().trim();
 68                      for (int i = 0; i <Personlist.size(); i++) 
 69                      {                         
 70                          String Str=(String)Personlist.get(i).getbirthplace();
 71                          if(Str.contains(place)&&!place.equals("")) 
 72                              {
 73                              text2.append(Personlist.get(i).toString());
 74                              }  
 75                     }      
 76                      for (int i = 0; i <Personlist.size(); i++) 
 77                      {
 78                          
 79                          String Str=(String)Personlist.get(i).getID();
 80                          if(Str.contains(place)&&!place.equals("")) 
 81                              {
 82                              text2.append(Personlist.get(i).toString());
 83                              }  
 84                     }    
 85                      
 86             }
 87             
 88         };timer.schedule(timeTask, 0,100);
 89      
 90         Personlist = new ArrayList<>();       
 91         try {
 92             FileInputStream fis = new FileInputStream(file);
 93             BufferedReader in = new BufferedReader(new InputStreamReader(fis));
 94             String temp = null;
 95             while ((temp = in.readLine()) != null) {            
 96                 Scanner linescanner = new Scanner(temp);               
 97                 linescanner.useDelimiter(" ");    
 98                 String name = linescanner.next();
 99                 String ID = linescanner.next();
100                 String sex = linescanner.next();
101                 String age = linescanner.next();
102                 String place =linescanner.nextLine();
103                 Person Person = new Person();
104                 Person.setname(name);
105                 Person.setID(ID);
106                 Person.setsex(sex);
107                 int a = Integer.parseInt(age);
108                 Person.setage(a);
109                 Person.setbirthplace(place);
110                 Personlist.add(Person);
111 
112             }
113         } catch (FileNotFoundException e) {
114             System.out.println("查找不到信息");
115             e.printStackTrace();
116         } catch (IOException e) {
117             System.out.println("信息读取有误");
118             e.printStackTrace();
119         }
120  
121         
122     }
123     
124     
125 
126 
127     private class Action implements ActionListener
128     {
129     public void actionPerformed(ActionEvent event)
130         {        
131          text.setText(null);
132          Collections.sort(Personlist);
133          text.append(Personlist.toString());
134         }
135 
136     }         
137 
138     private class Action1 implements ActionListener
139         {
140         public void actionPerformed(ActionEvent event)
141             {        
142             text.setText(null);
143             int max=0,min=100;int j,k1 = 0,k2=0;
144             for(int i=1;i<Personlist.size();i++)
145             {
146                 j=Personlist.get(i).getage();
147                if(j>max)
148                {
149                    max=j; 
150                    k1=i;
151                }
152                if(j<min)
153                {
154                    min=j; 
155                    k2=i;
156                }
157             }  
158             text.append("年龄最大：   "+Personlist.get(k1)+"
"+"年龄最小：  "+Personlist.get(k2));     
159             }
160    
161         }          
162 
163   private class Action2 implements ActionListener
164     {
165     public void actionPerformed(ActionEvent event)
166         {        
167          text.setText(null);
168          int a = Integer.parseInt(text3.getText().toString().trim());         
169          int d_value=a-Personlist.get(agenear(a)).getage();
170          
171          for (int i = 0; i < Personlist.size(); i++)
172          {
173              int p=Personlist.get(i).getage()-a;
174             
175              if(p==d_value||-p==d_value) text.append(Personlist.get(i).toString());
176          } 
177         }
178 
179     } 
180     
181     
182     public static int agenear(int age) {
183         
184         int j=0,min=53,d_value=0,k=0;
185          for (int i = 0; i < Personlist.size(); i++)
186          {
187              d_value=Personlist.get(i).getage()-age;
188              if(d_value<0) d_value=-d_value; 
189              if (d_value<min) 
190              {
191                 min=d_value;                   k=i;
192              }
193 
194           }    return k;
195          
196       }
197 
198 }
199 package unsynch;
200 
201     import java.awt.Dimension;
202     import java.awt.EventQueue;
203     import java.awt.Toolkit;
204 
205     import javax.swing.JFrame;
206 
207     public class Out {
208 
209          public static void main (String args[])
210             {
211                  Toolkit t=Toolkit.getDefaultToolkit();
212                 Dimension s=t.getScreenSize(); 
213                 EventQueue.invokeLater(() -> {
214                     JFrame frame = new Main1();
215                     frame.setBounds(0, 0,(int)s.getWidth(),(int)s.getHeight());
216                     frame.setTitle("身份查询系统");
217                     frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
218                     frame.setVisible(true);
219                  });        
220             }
221      
222     }
223 package unsynch;
224 
225 public class Person implements Comparable<Person> {
226         private String name;
227         private String ID;
228         private int age;
229         private String sex;
230         private String birthplace;
231 
232         public String getname() {
233         return name;
234         }
235         public void setname(String name) {
236         this.name = name;
237         }
238         public String getID() {
239         return ID;
240         }
241         public void setID(String ID) {
242         this.ID= ID;
243         }
244         public int getage() {
245 
246         return age;
247         }
248         public void setage(int age) {
249         this.age= age;
250         }
251         public String getsex() {
252         return sex;
253         }
254         public void setsex(String sex) {
255         this.sex= sex;
256         }
257         public String getbirthplace() {
258         return birthplace;
259         }
260         public void setbirthplace(String birthplace) {
261         this.birthplace= birthplace;
262         }
263 
264         public int compareTo(Person o) {
265            return this.name.compareTo(o.getname());
266 
267         }
268 
269         public String toString() {
270             return  name+"	"+sex+"	"+age+"	"+ID+"	"+birthplace+"
";
271 
272         }
273   }

View Code

练习3：采用GUI界面设计以下程序

l 编写一个计算器类，可以完成加、减、乘、除的操作

l 利用计算机类，设计一个小学生100以内数的四则运算练习程序，由计算机随机产生10道加减乘除练习题，学生输入答案，由程序检查答案是否正确，每道题正确计10分，错误不计分，10道题测试结束后给出测试总分；

l 将程序中测试练习题及学生答题结果输出到文件，文件名为test.txt。

  1 import java.awt.Dimension;
  2 import java.awt.EventQueue;
  3 import java.awt.Toolkit;
  4 
  5 import javax.swing.JFrame;
  6 
  7 public class main {
  8 
  9      public static void main (String args[])
 10         {
 11              Toolkit t=Toolkit.getDefaultToolkit();
 12             Dimension s=t.getScreenSize(); 
 13             EventQueue.invokeLater(() -> {
 14                 JFrame frame = new nic();
 15                 frame.setBounds(0, 0,(int)s.getWidth()/2,(int)s.getHeight()/2);
 16                 frame.setTitle("大师");
 17                 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 18                 frame.setVisible(true);
 19              });        
 20         }
 21  
 22 }
 23 import java.awt.Font;
 24 import java.awt.event.ActionEvent;
 25 import java.awt.event.ActionListener;
 26 import java.io.FileNotFoundException;
 27 import java.io.PrintWriter;
 28 import java.util.Collections;
 29 import java.util.Scanner;
 30 
 31 import javax.swing.*;
 32 
 33 import java.math.*;
 34 
 35 
 36 public class nic extends JFrame {
 37     
 38     private String[] c=new String[10];
 39     private String[] c1=new String[11];
 40     private int[] list=new int[10];
 41     int i=0,i1=0,sum = 0;
 42     private PrintWriter out = null;
 43     private JTextArea text,text1;
 44     private int counter;
 45     
 46     public nic()  {
 47         JPanel Panel = new JPanel();Panel.setLayout(null);
 48         JLabel JLabel1=new JLabel("...");JLabel1.setBounds(500, 800, 400, 30);JLabel1.setFont(new Font("Courier",Font.PLAIN,35));
 49         JButton Button = new JButton("题目");Button.setBounds(50,150,150,50);Button.setFont(new Font("Courier",Font.PLAIN,20)); Button.addActionListener(new Action());
 50         JButton Button2 = new JButton("确定");Button2.setBounds(300,150,150,50);Button2.setFont(new Font("Courier",Font.PLAIN,20));Button2.addActionListener(new Action1());
 51         JButton Button3 = new JButton("读出文件");Button3.setBounds(500,150,150,50);Button3.setFont(new Font("Courier",Font.PLAIN,20));Button3.addActionListener(new Action2());
 52          text=new JTextArea(30,80);text.setBounds(30, 50, 200, 50);text.setFont(new Font("Courier",Font.PLAIN,35));
 53          text1=new JTextArea(30,80);text1.setBounds(270, 50, 200, 50);text1.setFont(new Font("Courier",Font.PLAIN,35));
 54 
 55          Panel.add(text);
 56          Panel.add(text1);
 57 
 58          Panel.add(Button);
 59          Panel.add(Button2);
 60          Panel.add(Button3);
 61          Panel.add(JLabel1);
 62          add(Panel);             
 63     }
 64     
 65     private class Action implements ActionListener
 66     {
 67     public void actionPerformed(ActionEvent event)
 68         {        
 69         text1.setText("0");
 70         if(i<11) {
 71         
 72         int a = 1+(int)(Math.random() * 99);
 73         int b = 1+(int)(Math.random() * 99);
 74         int m= (int) Math.round(Math.random() * 3);
 75       switch(m)
 76       {
 77       case 1:
 78           while(a<b){  b = (int) Math.round(Math.random() * 100);a = (int) Math.round(Math.random() * 100); }  
 79           c[i]=((i+1)+":"+a+"/"+b+"=");
 80             list[(i+1)]=Math.floorDiv(a, b);
 81             text.setText((i+1)+":"+a+"/"+b+"=");
 82             i++;
 83             
 84           break; 
 85       case 2:
 86           c[i]=((i+1)+":"+a+"*"+b+"=");
 87           list[(i+1)]=Math.multiplyExact(a, b);
 88           text.setText((i+1)+":"+a+"*"+b+"=");        
 89          i++;
 90           break;
 91       case 3:
 92           c[i]=((i+1)+":"+a+"+"+b+"=");
 93           list[(i+1)]=Math.addExact(a, b);
 94          text.setText((i+1)+":"+a+"+"+b+"=");
 95          i++;
 96           break ;
 97       case 4:
 98           while(a<=b){  b = (int) Math.round(Math.random() * 100);a = (int) Math.round(Math.random() * 100); }    
 99           c[i]=((i+1)+":"+a+"-"+b+"=");
100           text.setText((i+1)+":"+a+"-"+b+"=");
101           list[(i+1)]=Math.subtractExact(a, b);
102           i++;
103 
104           break ;
105           }
106         }
107       }
108     }      
109     private class Action1 implements ActionListener
110     {
111     public void actionPerformed(ActionEvent event)
112         {    
113         if(i<10) {
114              
115         String daan=text1.getText().toString().trim();
116         int a = Integer.parseInt(daan);
117         if(text1.getText()!="  ") {
118          if(list[i1]==a) sum+=10;
119          }
120         
121          c1[i1]=daan;
122          
123          i1++;
124          
125         }
126       }
127     }   

View Code

任务3：本学期课程已结束，请汇总《面向对象程序设计课程学习进度条》的数据，统计个人专业能力提升的数据。并从学习内容、学习方法、学习心得几个方面进行课程学习总结，也希望你对课程的不足提出建议和意见。

实验总结：

实验结束了，我觉得课程确实不错，但是作业量还是有点多，所以最后作业效率感觉没那么高了。