Java实现两人五子棋游戏(二) 画出棋盘
本文为大家分享了java画出五子棋游戏棋盘的方法，供大家参考，具体内容如下
棋盘模块：
画五子棋棋盘：19条横线、19条竖线
步骤一：显示棋盘
我有一张名为chessboard.png的棋盘，位置为根目录/res/drawable/chessboard/png，现在我要显示这张图片。
DrawChessBoard.java
package xchen.test.simpleGobang;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Toolkit;
import javax.swing.JPanel;
public class DrawChessBoard extends JPanel{
public Image boardImg;
public DrawChessBoard() {
boardImg = Toolkit.getDefaultToolkit().getImage("res/drawable/chessboard.png");
if(boardImg == null)
System.err.println("png do not exist");
}
@Override
protected void paintComponent(Graphics g) {
// TODO Auto-generated method stub
super.paintComponent(g);
int imgWidth = boardImg.getWidth(this);
int imgHeight = boardImg.getHeight(this);
int FWidth = getWidth();
int FHeight= getHeight();
int x=(FWidth-imgWidth)/2;
int y=(FHeight-imgHeight)/2;
g.drawImage(boardImg, x, y, null);
}
}
Main.java
package xchen.test.simpleGobang;
import java.awt.Container;
import javax.swing.JFrame;
import xchen.test.simpleGobang.DrawChessBoard;
public class Main extends JFrame{
private DrawChessBoard drawChessBoard;
public Main() {
drawChessBoard = new DrawChessBoard();
//Frame标题
setTitle("单机五子棋");
Container containerPane =getContentPane();
containerPane.add(drawChessBoard);
}
public static void main(String[] args) {
Main m = new Main();
m.setVisible(true);
}
}
运行一下
步骤二：为棋盘画上横竖线
DrawChessBoard.java
package xchen.test.simpleGobang;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Toolkit;
import javax.swing.JPanel;
public class DrawChessBoard extends JPanel{
public Image boardImg;
final private int ROWS = 19;
public DrawChessBoard() {
boardImg = Toolkit.getDefaultToolkit().getImage("res/drawable/chessboard2.png");
if(boardImg == null)
System.err.println("png do not exist");
}
@Override
protected void paintComponent(Graphics g) {
// TODO Auto-generated method stub
super.paintComponent(g);
int imgWidth = boardImg.getWidth(this);
int imgHeight = boardImg.getHeight(this);
int FWidth = getWidth();
int FHeight= getHeight();
int x=(FWidth-imgWidth)/2;
int y=(FHeight-imgHeight)/2;
g.drawImage(boardImg, x, y, null);
int margin = x;
int span_x=imgWidth/ROWS;
int span_y=imgHeight/ROWS;
//画横线
for(int i=0;i<ROWS;i++)
{
g.drawLine(x, y+i*span_y, FWidth-x,y+i*span_y);
}
//画竖线
for(int i=0;i<ROWS;i++)
{
g.drawLine(x+i*span_x, y, x+i*span_x,FHeight-y);
}
}
}
Main.java不变
运行一下
遇到的问题：
1）Eclipse不识别文件夹下的图片
问题：文件夹中有图片，但是在Eclipse项目栏中不显示
解决办法：在Eclipse中，选中根目录，F5 refresh，就显示出来了。
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