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2.8判断当前位置是否有棋子
现在我们要判断在落子的时候,当前方格内是否有棋子,如果有给出提示。如果没有,我们就落子。
1、我们选择方格一和方格二来做测试。
2、如果当前位置有棋子,提示已有棋子。
3、如果没有棋子,我们判断颜色后,落下对应颜色的棋子。
实现代码如下:
redorgreen=0
colorx="green"position=[0,0,0,0,0,0,0,0,0]def yesorno():tkinter.messagebox.showinfo('提示',"提示1")if redorgreen==1:redorgreen=0else:redorgreen=1returndef action(event):global redorgreenglobal colorx#if redorgreen==0 and event.x>100 and event.x<300 and event.y<300 and event.y>100:# canvas.create_oval(100, 100, 300, 300, fill =colorx )if redorgreen==0:redorgreen=1colorx="red"else :redorgreen=0colorx="green" #tkinter.messagebox.showinfo('提示',redorgreen)if event.x>100 and event.x<300 and event.y<300 and event.y>100:if position[0]==0:canvas.create_oval(100, 100, 300, 300, fill =colorx )position[0]=1;else:tkinter.messagebox.showinfo('提示',"已有棋子")if redorgreen==1:redorgreen=0else:redorgreen=1return#winyesorno()if event.x>300 and event.x<500 and event.y<300 and event.y>100:if position[1]==0:canvas.create_oval(300, 100, 500, 300, fill =colorx )position[1]=2;else:tkinter.messagebox.showinfo('提示',"已有棋子")if redorgreen==1:redorgreen=0else:redorgreen=1Return
position=[0,0,0,0,0,0,0,0,0]:定义一个数组,存放九个方格的状态:有子,可落绿色棋子,可落红色棋子三种状态。
If,else作为条件判断语句,根据不同情况,落子或提示。
将代码整合起来,整合后完整代码如下:
#-*- coding:GBK -*-from tkinter import *
import time
import tkinter.messagebox #messagebox
tk = Tk()
tk.title("雷雷的井字游戏")
tk.resizable(0, 0)
tk.wm_attributes("-topmost", 1)
canvas = Canvas(tk, width=800, height=800, bd=0, highlightthickness=0)
canvas.pack()
tk.update()redorgreen=0
colorx="green"position=[0,0,0,0,0,0,0,0,0]#画棋盘
canvas.create_line(100,100,700,100)
canvas.create_line(100,300,700,300)
canvas.create_line(100,500,700,500)
canvas.create_line(100,700,700,700)canvas.create_line(100,100,100,700)
canvas.create_line(300,100,300,700)
canvas.create_line(500,100,500,700)
canvas.create_line(700,100,700,700)def yesorno():tkinter.messagebox.showinfo('提示',"提示1")if redorgreen==1:redorgreen=0else:redorgreen=1returndef action(event):global redorgreenglobal colorx#if redorgreen==0 and event.x>100 and event.x<300 and event.y<300 and event.y>100:# canvas.create_oval(100, 100, 300, 300, fill =colorx )if redorgreen==0:redorgreen=1colorx="red"else :redorgreen=0colorx="green" #tkinter.messagebox.showinfo('提示',redorgreen)if event.x>100 and event.x<300 and event.y<300 and event.y>100:if position[0]==0:canvas.create_oval(100, 100, 300, 300, fill =colorx )position[0]=1;else:tkinter.messagebox.showinfo('提示',"已有棋子")if redorgreen==1:redorgreen=0else:redorgreen=1return#winyesorno()if event.x>300 and event.x<500 and event.y<300 and event.y>100:if position[1]==0:canvas.create_oval(300, 100, 500, 300, fill =colorx )position[1]=2;else:tkinter.messagebox.showinfo('提示',"已有棋子")if redorgreen==1:redorgreen=0else:redorgreen=1returnif event.x>500 and event.x<700 and event.y<300 and event.y>100:canvas.create_oval(500, 100, 700, 300, fill =colorx ) if event.x>100 and event.x<300 and event.y<500 and event.y>300:canvas.create_oval(100, 300, 300, 500, fill =colorx )if event.x>300 and event.x<500 and event.y<500 and event.y>300:canvas.create_oval(300, 300, 500, 500, fill =colorx )if event.x>500 and event.x<700 and event.y<500 and event.y>300:canvas.create_oval(500, 300, 700, 500, fill =colorx )if event.x>100 and event.x<300 and event.y<700 and event.y>500:canvas.create_oval(100, 500, 300, 700, fill =colorx )if event.x>300 and event.x<500 and event.y<700 and event.y>500:canvas.create_oval(300, 500, 500, 700, fill =colorx )if event.x>500 and event.x<700 and event.y<700 and event.y>500:canvas.create_oval(500, 500, 700, 700, fill =colorx )canvas.bind('<Button-1>', action)while 1: tk.update_idletasks()tk.update()time.sleep(0.01)
运行这段代码,第一方格已有棋子后,再次单击第一方格内的区域时,提示:已有棋子,第二方格同此。见图2-13、2-14
图2-13
图2-14
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