Java写的英文打字练习的applet：
game.java文件：
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import java.awt.*;
import java.applet.*;
import java.io.*;
import begin;
public class game extends Applet{
String beginLabel=" 开 始 ";
String quitLabel=" 退 出 ";
Label label= new Label("B/S英文打字练习1.0版");
TextArea context= new TextArea(5,50);
Button beginButton= new Button(beginLabel);
Button quitButton= new Button(quitLabel);
begin bb;
public void init(){
context.setText("Welcome to www.chinabs.net for java technicology.");
setBackground(Color.white);
Font f=new Font("SansSerif",Font.BOLD,16);
label.setFont(f);
add("North",label);
add("North",context);
add("South",beginButton);
add("South",quitButton);
}
public boolean action(Event evt, Object arg){
if(arg.equals(beginLabel)){
if (bb == null)
bb=new begin(this,context.getText());
else
bb.setText(context.getText());
bb.show();
return true;
}
else if(arg.equals(quitLabel)){
System.exit(0);
return true;
}
else
return false;
}
}
begin.java文件：
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import java.applet.*;
import java.awt.*;
class Coordinate{
public int x,y;
public char name;
public TextField tt;
public Coordinate(int x,int y,char na){
this.x=x;
this.y=y;
name= na;
}
}
public class begin extends Frame{
public Applet parent;
public int wrong=0;
Coordinate number[];
char key[];
char gst[];
String message= "~1234567890-=``QWERTYUIOP[]&&ASDFGHJKL:"```ZXCVBNM,.?`` ";
String message2="~1234567890-=``qwertyuiop[]&&asdfghjkl:"```zxcvbnm,.?`` ";
String gamestring="welcome to my homepage.click any key to begin.";
String quitlabel="返 回";
String clearlabel="重新开始";
public String yourrecord= null;
int gst_length;
int message_length;
public TextField tt;
public int changei=56;
public int gstch=1;
public FontMetrics font_m;
public int string_x=100;
public Button clear1,close;
int w= 0,h=0;
public begin(Applet parent,String m){
super("英文打字练习");
this.parent= parent;
this.setBackground(Color.white);
gamestring= m;
Panel panel= new Panel();
tt= new TextField(13);
clear1= new Button(clearlabel);
close= new Button(quitlabel);
add("South",tt);
panel.setLayout(new FlowLayout());
panel.add(clear1);
panel.add(close);
message_length= message.length();
key= new char[message_length];
message.getChars(0,message_length,key,0);
gst_length= gamestring.length();
gst= new char[gst_length];
gamestring.getChars(0,gst_length,gst,0);
init();
add("North",panel);
resize(600,450);
h= 120;
setResizable(false);
show();
}
public void setText(String tt){
gamestring= tt;
gst_length= gamestring.length();
gst= new char[gst_length];
gamestring.getChars(0,gst_length,gst,0);
gstch=1;
wrong=0;
Graphics g= getGraphics();
string_x=100;
repaint();
}
public void init(){
setBackground(Color.white);
h=450/3;
number= new Coordinate[message_length+50];
for(int I=0;I
number[I]= new Coordinate(62+I*30,h,key[I]);
}
for(int I=0;I
number[14+I]= new Coordinate(64+I*30,h+30,key[14+I]);
}
for(int I=0;I
number[28+I]= new Coordinate(66+I*30,h+60,key[28+I]);
}
for(int I=0;I
number[42+I]= new Coordinate(68+I*30,h+90,key[42+I]);
}
number[56]= new Coordinate(60,130+h,key[56]);
}
public void downboard(int I,Graphics g){
int index=I;
if(index!=56){
g.setColor(Color.lightGray);
g.fillRect(number[index].x+3,number[index].y+4,23,21);
for(int i1=0,j=1;i1
g.setColor(Color.white);
g.fillRect(number[index].x+28-(i1+1),number[index].y+i1+1,1,28-(2*i1+1)-1);
g.fillRect(number[index].x+i1,number[index].y+28-(i1+1),28-(2*i1),1);
g.setColor(Color.gray);
g.fillRect(number[index].x+i1,number[index].y+i1+1,28-(2*i1),1);
g.fillRect(number[index].x+i1,number[index].y+i1+1,1,28-(2*i1+1)-1);
}
g.setColor(Color.black);
g.drawChars(key,index,1,number[index].x+12,number[index].y+17);
}
else{
g.setColor(Color.lightGray);
g.fillRect(number[index].x+53,number[index].y+4,303,21);
for(int i1=0,j=1;i1
g.setColor(Color.white);
g.fillRect(number[index].x+360-(i1+1),number[index].y+i1+1,1,28-(2*i1+1)-1);
g.fillRect(number[index].x+i1+50,number[index].y+28-(i1+1),310-(2*i1),1);
g.setColor(Color.gray);
g.fillRect(number[index].x+i1+50,number[index].y+i1+1,310-(2*i1),1);
g.fillRect(number[index].x+i1+50,number[index].y+i1+1,1,28-(2*i1+1)-1);
}
}
}
public void paintboard(int I,Graphics g){
int index=I;
if(index!=56){
for(int i1=0,j=1;i1
g.setColor(Color.gray);
g.fillRect(number[index].x+28-(i1+1),number[index].y+i1+1,1,28-(2*i1+1)-1);
g.fillRect(number[index].x+i1,number[index].y+28-(i1+1),28-(2*i1),1);
g.setColor(Color.white);
g.fillRect(number[index].x+i1,number[index].y+i1+1,28-(2*i1),1);
g.fillRect(number[index].x+i1,number[index].y+i1+1,1,28-(2*i1+1)-1);
}
g.setColor(Color.black);
g.drawChars(key,index,1,number[index].x+12,number[index].y+17);
}
else{
for(int i1=0,j=1;i1
g.setColor(Color.gray);
g.fillRect(number[index].x+360-(i1+1),number[index].y+i1+1,1,28-(2*i1+1)-1);
g.fillRect(number[index].x+i1+50,number[index].y+28-(i1+1),310-(2*i1),1);
g.setColor(Color.white);
g.fillRect(number[index].x+i1+50,number[index].y+i1+1,310-(2*i1),1);
g.fillRect(number[index].x+i1+50,number[index].y+i1+1,1,28-(2*i1+1)-1);
}
}
}
public void paint(Graphics g){
g.setColor(Color.lightGray);
g.fillRect(0,0,600,450);
for(int I=0;I
paintboard(I,g);
g.drawString(gamestring,string_x,100);
}
int ch = gst[gstch];
Graphics g1=getGraphics();
record=message2.indexOf(ch);
if(record!=56){
g1.setColor(Color.blue);
g1.fillRect(number[record].x+3,number[record].y+4,22,21);
g1.setColor(Color.red);
g1.drawChars(key,record,1,number[record].x+10,number[record].y+18);
}
else{
g1.setColor(Color.blue);
g1.fillRect(number[record].x+53,number[record].y+4,303,21);
}
}
public boolean keyDown(Event evt,int key){
int record2=0;
Graphics g= getGraphics();
if(key==8){
tt.setText("Back Space");
paintboard(changei,g);
downboard(13,g);
changei=13;
gstch--;
string_x=string_x-(font_m.charWidth(gst[gstch-1]));
g.setColor(Color.white);
g.drawChars(gst,gstch-1,1,string_x,100);
return true;
}
search();
String aa=Integer.toString(key);
record2=gamestring.indexOf(key,gstch-1);
font_m=g.getFontMetrics();
if(record2==(gstch-1))
g.setColor(Color.blue);
else{
