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@Sarah 2015-11-05T17:55:24.000000Z 字数 6261 阅读 1000

JAVA 图形界面

java笔记
j2ee/andriod(widget)
pc:c++/.net
html特别简单，就是超文本，没有逻辑，不是语言，就像写论文排版格式 用dream weaver
js

图形界面

GUI:
1awt:原始
2swing：丰富 复杂 慢

awt

1组件component：窗口，按钮，文字 文本框 菜单
2事件监听：
3布局管理器：

frame :容器
panel:

菜单：menubar/ menu /menuitem

windowlistener:7个抽象 7函数实现，windowAdapter实现

此处输入图片的描述
此处输入图片的描述

List 列表
choice 下拉菜单
checkbox 男女
textArea 文本框 多行
Diolog:容器 

  1. import java.awt.*;
  2. import java.awt.event.*;
  3. public class Test implements ActionListener{
  4.     Button[] bb;
  5.     TextField tf1=new TextField("0",10);
  6.     TextField tf2=new TextField("0",10);
  7.     public static void main(String[] args) {
  8.         new Test().go();//为了后面的this
  9.     }
  10.     void go(){
  11.         Frame f=new Frame("Test Frame");//0*0,unvisible
  12.         MenuBar mb=new MenuBar();
  13.         f.setMenuBar(mb);
  14.         Menu m1=new Menu("Game");
  15.         mb.add(m1);
  16.         MenuItem mi1=new MenuItem("New game");
  17.         MenuItem mi2=new MenuItem("Exit");
  18.         m1.add(mi1);
  19.         m1.addSeparator();
  20.         m1.add(mi2);
  21.         f.setSize(300, 400);
  22.         //f.setLayout(new GridLayout());
  23.         Button b=new Button("click  me");
  24.         Panel panS=new Panel();
  25.         Panel panN=new Panel();
  26.         Panel panW=new Panel();
  27.         Panel panE=new Panel();
  28.         Panel panC=new Panel();
  29.         panN.add(new Label(" "));
  30.         panW.add(new Label(" "));
  31.         panE.add(new Label(" "));
  32.         panC.setLayout(new FlowLayout(FlowLayout.CENTER,0,1));
  33.         panS.add(new Label("Score:"));
  34.         panS.add(tf1);
  35.         panS.add(new Label("Time:"));
  36.         panS.add(tf2);
  37.         bb=new Button[10*10];
  38.         for(int i=0;i<10;i++)
  39.             for(int j=0;j<10;j++){
  40.                 bb[i*10+j]=new Button("");
  41.                 bb[i*10+j].addActionListener(this);
  42.                 //前面go()是为了这个this
  43.                 //bb.setSize(20,20);
  44.                 panC.add(bb[i*10+j]);
  45.             }
  46.         f.add(panC,BorderLayout.CENTER);
  47.         f.add(panN,BorderLayout.NORTH);
  48.         f.add(panW,BorderLayout.WEST);
  49.         f.add(panE,BorderLayout.EAST);
  50.         f.add(panS,BorderLayout.SOUTH);
  51.         f.setVisible(true);
  52.         f.addWindowListener(new MyWindowListener());
  54.     }
  56.     @Override
  57.     public void actionPerformed(ActionEvent arg0) {
  58.         String t=tf1.getText();
  59.         System.out.println(t);
  60.         Button b=(Button)arg0.getSource();
  61.         for(int i=0;i<100;i++)
  62.             if(bb[i]==b)
  63.                 System.out.println(i);
  65.     }
  66. }
  1. import java.awt.event.WindowAdapter;
  2. import java.awt.event.WindowEvent;
  3. import java.awt.event.WindowListener;//抽象类，需要给抽象函数重写具体函数
  6. public class MyWindowListener extends WindowAdapter {
  7.     @Override
  8.     public void windowClosing(WindowEvent arg0) {
  9.         // TODO Auto-generated method stub
  10.         int i=javax.swing.JOptionPane.showConfirmDialog(null, "Are you exit game?","confirm",javax.swing.JOptionPane.YES_NO_OPTION);
  11.         if(i==javax.swing.JOptionPane.YES_OPTION)
  12.             System.exit(0);
  13.     }
  14. }
  15. //WindowAdapter是windowListner的子类，所以这里只需要把需要用到的函数重写然后覆盖即可，而不用整个全都重写。

上次遗留作业完成

  1. package reminder;
  3. import java.io.BufferedReader;
  4. import java.io.BufferedWriter;
  5. import java.io.File;
  6. import java.io.FileReader;
  7. import java.io.FileWriter;
  8. import java.io.IOException;
  9. import java.io.InputStreamReader;
  10. import java.sql.Time;
  11. import java.util.ArrayList;
  12. import java.util.Date;
  13. import java.util.List;
  15. public class ReminderTest {
  16.     BufferedReader kbr;
  18.     public ReminderTest() {
  19.         this.kbr = new BufferedReader(new InputStreamReader(System.in));
  20.     }
  22.     // 读取文件到array list
  23.     public List txtToList() {
  24.         List<String> todoList = new ArrayList<String>();
  25.         try {
  26.             FileReader fr = new FileReader("日程.txt");
  27.             BufferedReader br = new BufferedReader(fr);
  28.             while (true) {
  29.                 String s = br.readLine();
  30.                 if (s == null)
  31.                     break;
  32.                 todoList.add(s);
  33.             }
  34.         } catch (Exception e) {
  35.             e.printStackTrace();
  36.         }
  37.         return todoList;
  38.     }
  40.     // 写数组到txt
  41.     public void listToTxt(List<String> todoList) {
  42.         try {
  43.             File f = new File("日程.txt");
  44.             BufferedWriter bw = new BufferedWriter(new FileWriter(f));
  45.             for (int i = 0; i < todoList.size(); i++) {
  46.                 bw.write(todoList.get(i) + "\n");
  47.             }
  48.             bw.close();
  49.         } catch (IOException e) {
  50.             // TODO Auto-generated catch block
  51.             e.printStackTrace();
  52.         }
  53.     }
  55.     // 查看
  56.     public void check() {
  57.         List<String> todoList = txtToList();
  58.         for (String s : todoList) {
  59.             String ss[] = s.split(";");
  60.             System.out.println("name:" + ss[0]);
  61.             System.out.println("address:" + ss[1]);
  62.             System.out.println("date:" + ss[2]);
  63.             System.out.println("time:" + ss[3]);
  64.             if (ss.length > 4)
  65.                 System.out.println("alarm:" + ss[4]);
  66.             System.out.println("-----------------------------------");
  67.         }
  68.     }
  70.     public String inputTodo() {
  71.         StringBuffer todo = new StringBuffer();
  72.         String s = null;
  73.         try {
  74.             System.out.print("name:");
  75.             s = kbr.readLine();
  76.             todo.append(s).append(";");
  77.             System.out.print("address:");
  78.             s = kbr.readLine();
  79.             todo.append(s).append(";");
  80.             while (true) {
  81.                 try {
  82.                     System.out.print("date(yyyy-mm-dd):");
  83.                     s = kbr.readLine();
  84.                     String s1 = s.substring(0, 4);
  85.                     int i = Integer.parseInt(s1);
  86.                     String s2 = s.substring(5, 7);
  87.                     int j = Integer.parseInt(s2);
  88.                     String s3 = s.substring(8, 10);
  89.                     int k = Integer.parseInt(s3);
  90.                     System.out.println(i+" "+j+ " "+k);
  91.                     Date  d=new Date(i-1900,j-1,k);
  92.                     System.out.println(d);
  93.                     todo.append(s).append(";");
  94.                     break;
  95.                 } catch (Exception e) {
  96.                     // TODO Auto-generated catch block
  97.                     System.out.println("date error,please rewrite");
  98.                 }
  99.             }
  100.             while (true) {
  101.                 try {
  102.                     System.out.print("time(hh:mm):");
  103.                     s = kbr.readLine();
  104.                     String s3 = s.substring(0, 2);
  105.                     int i = Integer.parseInt(s3);
  106.                     String s4 = s.substring(3, 5);
  107.                     int j = Integer.parseInt(s4);
  108.                     Time t=new Time(i,j,0);
  109.                     todo.append(s);
  110.                     break;
  111.                 } catch (Exception e) {
  112.                     System.out.println("time error,please rewrite");
  113.                 }
  114.             }
  116.             System.out.print("need alarm?(y/n)");
  117.             s = kbr.readLine();
  118.             if (s.equals("y") || s.equalsIgnoreCase("Y")) {
  119.                 System.out.print("alarm time:");
  120.                 s = kbr.readLine();
  121.                 todo.append(";").append(s);
  122.             }
  123.         } catch (IOException e) {
  124.             e.printStackTrace();
  125.         }
  126.         return todo.toString();
  127.     }
  129.     // 录入
  130.     public void input() {
  131.         List<String> todoList = txtToList();
  132.         todoList.add(inputTodo());
  133.         listToTxt(todoList);
  134.     }
  136.     // 删除
  137.     public void delete() {
  138.         System.out.println("plese input  the name to delete:");
  139.         List<String> todoList = txtToList();
  140.         String j = "";
  141.         try {
  142.             j = kbr.readLine();
  143.             for (String s : todoList) {
  144.                 if (s.startsWith(j)) {
  145.                     todoList.remove(s);
  146.                     System.out.println("done.");
  147.                     break;
  148.                 }
  149.             }
  150.             ;
  151.             listToTxt(todoList);
  152.         } catch (IOException e) {
  153.             e.printStackTrace();
  154.         }
  155.     }
  157.     // 修改
  158.     public void change() {
  160.         int k = 0;
  162.         List<String> todoList = txtToList();
  163.         String x = null;
  164.         try {
  165.             System.out.println("input the name to change...");
  166.             x = kbr.readLine();
  167.             for (String s : todoList) {
  168.                 if (s.startsWith(x)) {
  169.                     todoList.remove(s);
  170.                     todoList.add(inputTodo());
  171.                     System.out.println("done.");
  172.                     break;
  173.                 }
  174.             }
  175.             ;
  176.         } catch (IOException e) {
  177.             e.printStackTrace();
  178.         }
  179.         listToTxt(todoList);
  181.     }
  183.     // 设置闹钟
  184.     public void alarm() {
  185.         String x = new String();
  186.         List<String> todoList = txtToList();
  187.         try {
  188.             System.out.println("set the alarm time HH:mm");
  189.             x = kbr.readLine();
  190.         } catch (IOException e) {
  191.             e.printStackTrace();
  192.         }
  193.         todoList.set(4, x);
  194.         listToTxt(todoList);
  195.     }
  197.     public static void main(String[] args) {
  199.         ReminderTest rm = new ReminderTest();
  200.         //new AlarmThread(rm).start();
  201.         rm.go();
  202.     }
  204.     void go() {
  205.         while (true) {
  206.             System.out.println("1:check todo list");
  207.             System.out.println("2:input new todo");
  208.             System.out.println("3:delete todo list");
  209.             System.out.println("4:change todo list");
  210.             System.out.print("0:exit>>>>");
  211.             String s = null;
  212.             try {
  213.                 s = kbr.readLine();
  214.             } catch (IOException e) {
  215.                 e.printStackTrace();
  216.             }
  217.             if (s.equals("1")) {
  218.                 check();
  219.             } else if (s.equals("2")) {
  220.                 input();
  221.             } else if (s.equals("3")) {
  222.                 delete();
  223.             } else if (s.equals("4")) {
  224.                 change();
  225.             } else if (s.equals("5")) {
  226.                 alarm();
  227.             } else if (s.equals("0")) {
  228.                 System.exit(0);
  229.             }
  230.         }
  231.     }
  232. }
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