python-实现3级菜单(作业课)

时间:2023-03-09 18:49:01
python-实现3级菜单(作业课)
 #任务:
#显示3级菜单
#1级菜单#显示 3个城市 => 1北京 2上海 3广州
#2级菜单 #显示 选择1 北京 => B1 B2 B3
#2级菜单 #显示 选择2 上海 => S1 S2 S3
#2级菜单 #显示 选择3 广州 => G1 G2 G3 #3级菜单 #显示 选择B1 => b1_1 b1_2 b1_3
#3级菜单 #显示 选择B2 => b2_1 b2_2 b2_3
#3级菜单 #显示 选择B3 => b3_1 b3_2 b3_3 #3级菜单 #显示 选择S1 => s1_1 s1_2 s1_3
#3级菜单 #显示 选择S2 => s2_1 s2_2 s2_3
#3级菜单 #显示 选择S3 => s3_1 s3_2 s3_3 #3级菜单 #显示 选择G1 => g1_1 g1_2 g1_3
#3级菜单 #显示 选择G2 => g2_1 g2_2 g2_3
#3级菜单 #显示 选择G3 => g3_1 g3_2 g3_3 #选择Q键 退出程序, 选择R键 返回上一级菜单 curPage = 0; #当前页数
minPage = 0; #最小页数
maxPage = 3; #最大页数
showVal = "1.北京 2.上海 3.广州 R.上一页 Q.退出"
selectVal = "北京" while True:
print("-----------------------------------")
print("|"+showVal+"|") #显示具体内容
print("-----------------------------------")
userVal = input("input your select: ") #用户输入的值 if userVal == "Q" or userVal == "q":
break if userVal == "":
if curPage == 0:
selectVal = "北京"
showVal = " 1.B1 2.B2 3.B3 R.上一页 Q.退出 "
curPage += 1;
elif curPage == 1:
if selectVal == "北京":
showVal = " b1_1 b1_2 b1_3 "
elif selectVal == "上海":
showVal = " s1_1 s1_2 s1_3 "
elif selectVal == "广州":
showVal = " g1_1 g1_2 g1_3 "
curPage += 1;
elif userVal == "":
if curPage == 0:
selectVal = "上海"
showVal = " 1.S1 2.S2 3.S3 R.上一页 Q.退出 "
curPage += 1;
elif curPage == 1:
if selectVal == "北京":
showVal = " b2_1 b2_2 b2_3 "
elif selectVal == "上海":
showVal = " s2_1 s2_2 s2_3 "
elif selectVal == "广州":
showVal = " g2_1 g2_2 g2_3 "
curPage += 1;
elif userVal == "":
if curPage == 0:
selectVal = "广州"
showVal = " 1.G1 2.G2 3.G3 R.上一页 Q.退出 "
curPage += 1;
elif curPage == 1:
if selectVal == "北京":
showVal = " b3_1 b3_2 b3_3 "
elif selectVal == "上海":
showVal = " s3_1 s3_2 s3_3 "
elif selectVal == "广州":
showVal = " g3_1 g3_2 g3_3 "
curPage += 1;
elif userVal == "r" or userVal == "R":
if curPage <= 1:
showVal = "1.北京 2.上海 3.广州 R.上一页 Q.退出"
curPage = 0
else:
if selectVal == "北京":
showVal = " 1.B1 2.B2 3.B3 "
curPage -= 1;
elif selectVal == "上海":
showVal = " 1.S1 2.S2 3.S3 "
curPage -= 1;
elif selectVal == "广州":
showVal = " 1.G1 2.G2 3.G3 "
curPage -= 1;
else:
print("->没有找到对应的城市,请重新输入<-")
print("GAME OVER")