import java.awt.Color;import java.awt.GridLayout;import javax.swing.JButton;import javax.swing.JFrame; public class MiGong extends JFrame{ private static final long serialVersionUID = 1L; private static final int ROW = 8; private static final int COL = 9; int[][] map = { {2,0,1,0,0,0,1,0}, {0,0,1,0,0,0,1,0}, {0,0,1,0,1,1,0,0}, {0,1,1,1,0,0,0,0}, {0,0,0,1,0,0,0,0}, {0,1,0,0,0,1,0,1}, {0,1,1,1,1,0,0,1}, {1,1,0,0,0,1,0,1}, {1,1,0,0,0,0,0,3} }; public static void main ( String args[] ) { new MiGong (); } public MiGong () { setTitle ("迷宫"); setLayout (new GridLayout (ROW, COL, 0, 0)); for ( int h = 0; h COL; h++ ) { for ( int g = 0; g ROW; g++ ) { switch (map[h][g]) { case 0: JButton p = new JButton (); p.setBackground (Color.red); add (p); break; case 1: JButton q = new JButton (); q.setBackground (Color.blue); add (q); break; case 2: JButton m = new JButton ("入口"); m.setBackground (Color.green); add (m); break; case 3: JButton n = new JButton ("出口"); n.setBackground (Color.green); add (n); break; } } } pack (); setLocationRelativeTo (null); setDefaultCloseOperation (EXIT_ON_CLOSE); setVisible (true); }}
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小弟啊，看来你真的是初学啊，抽象类Friut定义在哪个包中都可以，但是在它的子类中要导入，importFruit这个类，然后在Fruit这个类中定义一个抽象方法harvest（），不做任何实现就可以啦
你这个是代码里面拼写错误了，改成下面的可以显示
class DontStepOnWhitePiece extends JPanel
{
public void paint(Graphics g) //上面的这里拼写错误，panit
{
super.paint(g);
g.setColor(Color.black);
g.drawRect(0, 0, 100, 100);
}
只是禅模式的，如果是学习用的，知道一个模式的应该其他也会了，如果是想玩的话下正版吧= =
#include "SDL2/SDL.h"
#include "SDL2/SDL_ttf.h"
#includestring.h
// 使用的头文件
int W; // 窗口宽
int H; // 窗口高
int PH; // 游戏区的高
int i, df = 0; // 定义的变量
char sorry[] = "游戏不适合你的手机", win[9] = "You win!", lose[10] =
"You lose", str[19] = "得分：";
Uint32 began = 0;
float time = 0.0; // 定义的计时变量
bool quit = false; // 退出标志
float X = 0, Y = 0; // 用于获取触控位置的坐标
SDL_Event event;
// 定义一个事件
SDL_Window *w = NULL; // 创建一个窗口指针
SDL_Renderer *ren = NULL; // 创建一个渲染器指针
SDL_Surface *sur = NULL; // 表面
SDL_Surface *sur1 = NULL; // 得分表面
SDL_Surface *text = NULL; // 标题文本区表面
SDL_Texture *tex = NULL; // 画刷
SDL_Texture *tex1 = NULL; // 画刷
SDL_Texture *tex2 = NULL; // 画刷
TTF_Font *font = NULL; // 定义一个字体
SDL_Color color, fontcolor; // 定义字体颜色
SDL_Rect rect[4]; // 屏幕出现的四个黑块
SDL_Rect title; // 标题区
SDL_Rect pp, over;
void change(); // 使方块动起来
void init(); // 启动sdl及相关
void draw(); // 画图
void start(); // 初始化相关数据
void end(); // 游戏结尾
int main(int argc, char **argv)
{ // 主函数
init();
start();
began = SDL_GetTicks(); // 得到开始时间
while (quit == false)
{
draw(); // 画图
while (SDL_PollEvent(event))
{
switch (event.type)
{
case SDL_FINGERDOWN:
X = event.tfinger.x * W;
Y = event.tfinger.y * H;
// 获取x,y的坐标
if (Y rect[0].y)
if ((X rect[0].x) (X (W / 4 + rect[0].x))) // 判断坐标
{
change();
df = df + 1;
}
else // 如果触屏位置不对
{
quit = true;
if (df 3)
sur1 = TTF_RenderUTF8_Blended(font, sorry, color);
else
sur1 = TTF_RenderUTF8_Blended(font, lose, color);
}
break;
case SDL_FINGERUP:
break;
default:;
}
if (df 100) // 如果在30秒内得分超过100
{
quit = true;
sur1 = TTF_RenderUTF8_Blended(font, win, color);
}
}
time = 30 - ((SDL_GetTicks() - began) / 1000); // 计算剩余时间
if (time == 0.0) // 当时间结束
{
quit = true;
sprintf(str, "时间到，得分:%d", df);
sur1 = TTF_RenderUTF8_Blended(font, str, color);
}
}
tex1 = SDL_CreateTextureFromSurface(ren, sur1); // 把表面转换成画刷
SDL_RenderCopy(ren, tex1, NULL, over);
SDL_RenderPresent(ren);
SDL_Delay(3000); // 暂停3秒
end();
return 0;
}
void change()
{
for (int i = 0; i 3; i++)
rect[i].x = rect[i + 1].x;
rect[3].x = (random() % 4) * W / 4; // 最上层产生随机的黑块
}
void init()
{
SDL_Init(SDL_INIT_EVERYTHING);
w = SDL_CreateWindow("别踩白块儿", 0, 0, W, H, SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_BORDERLESS); // 配置窗口参数并创建
//
//
ren = SDL_CreateRenderer(w, -1, SDL_RENDERER_PRESENTVSYNC); // 为创建的窗口配置渲染器
TTF_Init(); // 启动font
font = TTF_OpenFont("/system/fonts/DroidSansFallback.ttf", 60); // 打开系统自带字体并设置大小为60
}
void draw()
{
sur = SDL_CreateRGBSurface(0, W, H, 32, 0, 0, 0, 0); // 先把表面刷白
SDL_FillRect(sur, NULL, 0xffffff);
for (int i = 0; i 4; i++)
SDL_FillRect(sur, rect[i], 0x00000); // 再把黑块逐个贴上表面
tex = SDL_CreateTextureFromSurface(ren, sur); // 把表面转换成画刷*/
sprintf(str, "得分:%d", df);
sur1 = TTF_RenderUTF8_Blended(font, str, color);
tex1 = SDL_CreateTextureFromSurface(ren, sur1); // 把表面转换成画刷
sprintf(str, "时间:%.2f\"", time);
text = TTF_RenderUTF8_Blended(font, str, fontcolor);
tex2 = SDL_CreateTextureFromSurface(ren, text); // 把表面转换成画刷
SDL_RenderCopy(ren, tex, NULL, NULL);
SDL_RenderCopy(ren, tex2, NULL, title);
SDL_RenderCopy(ren, tex1, NULL, pp);
SDL_RenderPresent(ren);
SDL_FreeSurface(sur);
SDL_DestroyTexture(tex);
SDL_FreeSurface(sur1);
SDL_FreeSurface(text);
SDL_DestroyTexture(tex1);
SDL_DestroyTexture(tex2);
}
void start()
{
SDL_GetWindowSize(w, W, H); // 得到屏幕分辨率
PH = H * 7 / 8;
color =
{
255, 215, 0};
fontcolor =
{
0, 0, 0}; // 字体颜色赋值
float a = PH * 3 / 4 + H / 8;
float wight = W / 4;
float hight = PH / 4;
rect[0].x = 0;
rect[0].y = a;
rect[1].x = wight;
rect[1].y = a - hight;
rect[2].x = wight * 2;
rect[2].y = a - 2 * hight;
rect[3].x = 3 * wight;
rect[3].y = a - 3 * hight;
for (int i = 0; i 4; i++)
{ // 为黑块的高和宽赋值
rect[i].h = hight;
rect[i].w = wight;
}
title =
{
1.10, 0, W / 2, W / 8};
pp =
{
W / 2, 0, W / 2, W / 8};
over =
{
0, H / 4, W, H / 4};
}
void end()
{
TTF_CloseFont(font);
TTF_Quit();
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
class ConstructFrame extends JFrame
{
private static final long serialVersionUID = 1L;
String value1="",result,value2="";
int flag=0,fix=0,sum=1;
Boolean happy;
JTextField text=new JTextField(30);
int flagsum=0;
Container c=getContentPane();
JButton buttonx;
ConstructFrame()
{ super("计算器");
c.setLayout(null);
c.setBackground(Color.blue);
this.setSize(400, 400);
c.add(text);
text.setHorizontalAlignment(JTextField.RIGHT);
final JButton buttonx=new JButton("BackSpace");
c.add(buttonx);
buttonx.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
int count=0;
String temp;
if(flag==0)
{
count=value1.length();
if(count!=1)
temp=value1.substring(0, count-1);
else
temp="0";
value1=temp;
}
else
{
count=value2.length();
if(count!=1)
temp=value2.substring(0, count-1);
else
temp="0";
value2=temp;
}
text.setText(temp);
}
});
final JButton buttony=new JButton("CE");
c.add(buttony);
buttony.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
value1="";
value2="";
flag=0;
text.setText("0");
}
});
final JButton button1=new JButton("1");
c.add(button1);
button1.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
String temp;
if(flag==0)
{
value1=value1+1;
temp=value1;
}
else
{
value2=value2+1;
temp=value2;
}
text.setText(temp);
}
});
final JButton button2=new JButton(" 2 ");
c.add(button2);
button2.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
String temp;
if(flag==0)
{
value1=value1+2;
temp=value1;
}
else
{
value2=value2+2;
temp=value2;
}
text.setText(temp);
}
});
final JButton button3=new JButton("3");
c.add(button3);
button3.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
String temp;
if(flag==0)
{
value1=value1+3;
temp=value1;
}
else
{
value2=value2+3;
temp=value2;
}
text.setText(temp);
}
});
final JButton button4=new JButton("4");
c.add(button4);
button4.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
String temp;
if(flag==0)
{
value1=value1+4;
temp=value1;
}
else
{
value2=value2+4;
temp=value2;
}
text.setText(temp);
}
});
final JButton button5=new JButton("5");
c.add(button5);
button5.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
String temp;
if(flag==0)
{
value1=value1+5;
temp=value1;
}
else
{
value2=value2+5;
temp=value2;
}
text.setText(temp);
}
});
final JButton button6=new JButton("6");
c.add(button6);
button6.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
String temp;
if(flag==0)
{
value1=value1+6;
temp=value1;
}
else
{
value2=value2+6;
temp=value2;
}
text.setText(temp);
}
});
final JButton button7=new JButton("7");
c.add(button7);
button7.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
String temp;
if(flag==0)
{
value1=value1+7;
temp=value1;
}
else
{
value2=value2+7;
temp=value2;
}
text.setText(temp);
}
});
final JButton button8=new JButton("8");
c.add(button8);
button8.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
String temp;
if(flag==0)
{
value1=value1+8;
temp=value1;
}
else
{
value2=value2+8;
temp=value2;
}
text.setText(temp);
}
});
final JButton button9=new JButton("9");
c.add(button9);
button9.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
String temp;
if(flag==0)
{
value1=value1+9;
temp=value1;
}
else
{
value2=value2+9;
temp=value2;
}
text.setText(temp);
}
});
final JButton button0=new JButton("0");
c.add(button0);
button0.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
String temp;
if(flag==0)
{
value1=value1+0;
temp=value1;
}
else
{
value2=value2+0;
temp=value2;
}
text.setText(temp);
}
});
final JButton buttonadd=new JButton(" + ");
c.add(buttonadd);
buttonadd.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
flag=1;
fix=1;
flagsum=0;
}
});
final JButton buttonsubtract=new JButton(" - ");
c.add(buttonsubtract);
buttonsubtract.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
flag=1;
fix=2;
flagsum=0;
}
});
final JButton buttoncheng=new JButton(" * ");
c.add(buttoncheng);
buttoncheng.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
flag=1;
fix=3;
flagsum=0;
}
});
final JButton buttonchu=new JButton(" / ");
c.add(buttonchu);
buttonchu.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
flag=1;
flagsum=0;
fix=4;
}
});
final JButton buttonequal=new JButton(" = ");
c.add(buttonequal);
buttonequal.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{
double temp1,temp2;
double temp=0;
flagsum=0;
temp1=Double.parseDouble(value1);
temp2=Double.parseDouble(value2);
flag=0;
switch(fix)
{
case 1: temp=temp1+temp2;break;
case 2: temp=temp1-temp2;break;
case 3: temp=temp1*temp2;break;
case 4: temp=temp1/temp2;break;
}
result=Double.valueOf(temp).toString();
value1=result;
value2="";
flag=1;
text.setText(result);
}
});
final JButton buttonpoint=new JButton(".");
c.add(buttonpoint);
buttonpoint.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{ if(flagsum==0)
{
String temp;
if(flag==0 )
{
value1=value1+".";
temp=value1;
}
else
{
value2=value2+".";
temp=value2;
}
flagsum=1;
text.setText(temp);
}
}
});
JButton buttonz=new JButton("Start");
c.add(buttonz);
buttonz.addMouseListener(new MouseAdapter()
{
public void mousePressed(MouseEvent e)
{ if(sum%2==1)
{
happy=true;
text.setText("0.");
flag=0;
}
else
{
happy=false;
value1="";
value2="";
text.setText("");
}
text.setEnabled(happy);
button1.setEnabled(happy);
button2.setEnabled(happy);
button3.setEnabled(happy);
button4.setEnabled(happy);
button5.setEnabled(happy);
button6.setEnabled(happy);
button7.setEnabled(happy);
button8.setEnabled(happy);
button9.setEnabled(happy);
button0.setEnabled(happy);
buttonx.setEnabled(happy);
buttony.setEnabled(happy);
buttonadd.setEnabled(happy);
buttonsubtract.setEnabled(happy);
buttonpoint.setEnabled(happy);
buttonequal.setEnabled(happy);
buttoncheng.setEnabled(happy);
buttonchu.setEnabled(happy);
sum++;
}
});
button1.setEnabled(false);
button2.setEnabled(false);
button3.setEnabled(false);
button4.setEnabled(false);
button5.setEnabled(false);
button6.setEnabled(false);
button7.setEnabled(false);
button8.setEnabled(false);
button9.setEnabled(false);
button0.setEnabled(false);
buttonx.setEnabled(false);
buttony.setEnabled(false);
buttonadd.setEnabled(false);
buttonsubtract.setEnabled(false);
buttonpoint.setEnabled(false);
buttonequal.setEnabled(false);
buttoncheng.setEnabled(false);
buttonchu.setEnabled(false);
text.setEnabled(false);
text.setBounds(20, 20, 200, 40);
buttonx.setBounds(20, 60,100, 40);
buttony.setBounds(140, 60,100, 40);
buttonz.setBounds(260, 60,80, 40);
button1.setBounds(20, 120,60, 40);
button2.setBounds(100, 120,60, 40);
button3.setBounds(180, 120,60, 40);
buttonadd.setBounds(260, 120,60, 40);
button4.setBounds(20, 180,60, 40);
button5.setBounds(100, 180,60, 40);
button6.setBounds(180, 180,60, 40);
buttonsubtract.setBounds(260, 180,60, 40);
button7.setBounds(20, 240,60, 40);
button8.setBounds(100, 240,60, 40);
button9.setBounds(180, 240,60, 40);
buttoncheng.setBounds(260,240,60,40);
button0.setBounds(20, 300,60, 40);
buttonpoint.setBounds(100, 300, 60, 40);
buttonequal.setBounds(180,300,60, 40);
buttonchu.setBounds(260, 300,60, 40);
setVisible(true);
}
class MYMouseEvent extends MouseAdapter
{
public void mousePressed(MouseEvent e)
{
value1=e.toString();
text.setText(value1);
}
}
}
class Calutator
{
public static void main(String[] args)
{
new ConstructFrame();
}
}
你自己慢慢的看吧！
package 别踩白块;
import java.awt.GridLayout;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import javax.swing.JFrame;
public class Main extends JFrame implements MouseListener {
Block[] block=new Block[9];
Block1 block1=new Block1();
public Main(){
setTitle("别踩白块");
setBounds(200,300,200,300);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setLayout(new GridLayout(3,3,5,5));
addblock();
bk();
this.setVisible(true);
}
public void addblock(){
for(int i=0;i9;i++)
{
block[i]=new Block();
add(block[i]);
}
}
public void bk(){
block1.setbk1(block[(int)(Math.random()*2)]);
block1.setbk1(block[(int)(Math.random()*2+4)]);
block1.setbk1(block[(int)(Math.random()*2+6)]);
}
public void over(){
block[3].setText("g");
block[4].setText("g");
block[5].setText("!");
}
public static void main(String[] args) {
// TODO Auto-generated method stub
new Main();
}
@Override
public void mouseClicked(MouseEvent e) {
// TODO Auto-generated method stub
}
@Override
public void mousePressed(MouseEvent e) {
// TODO Auto-generated method stub
if(e.getSource().equals(""));
over();
}
@Override
public void mouseReleased(MouseEvent e) {
// TODO Auto-generated method stub
}
@Override
public void mouseEntered(MouseEvent e) {
// TODO Auto-generated method stub
}
@Override
public void mouseExited(MouseEvent e) {
// TODO Auto-generated method stub
}
}
