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
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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);
}
}
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main.java
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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);
}
}
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运行一下
步骤二：为棋盘画上横竖线
drawchessboard.java
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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);
}
}
}
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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。
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持快网idc。
原文链接：https://blog.csdn.net/v_xchen_v/article/details/53420203
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