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现实应用实例

2017-05-14 18:35 288 查看
1、购物车

c=[]
sum=0
a=[
{"name":"电脑","price":1000},
{"name":"鼠标","price":2000},
{"name":"优盘","price":3000},
{"name":"硬盘","price":4000},
{"name":"音响","price":5000}
]
for i in a:
print(i["name"],i["price"])
b=int(input("请输入总资产:"))
while True:
d=input("请输入需要购买的商品名称(输入y退出):")
if d=="y":
break
for j in a:
if d==j["name"]:
c.append([j["name"],j["price"]])
for k in c:
sum=sum+k[1]
print(c)
print("总价格:",sum)
if sum>b:
print("余额不足,请充值")
x = input("y:充值,n:退出")
if x=="n":
print("欢迎下次光临")
if x=="y":
while True:
p=int(input("请输入充值金额:"))
b=b+p
print("恭喜充值成功    余额:",b,"结算金额:",b-sum)
s=input("是否结算? 结算:1  继续充值:2    :")
if s=="1":
if sum>b:
print("金额不足,请继续充值")
if sum<b:
print("购物成功,欢迎下次光临")
break
if s=="2":
continue
else:
print("购物成功")


 2、验证码

import random                          #导入random模块
temp=""                                #定义一个空字符串,为后面拼接用
for i in range(4):                    #循环四次,生成四位的验证码
j=random.randrange(5)             #随机生成一个数
if j==3 or j==1:                 #如果生成1或3的话就让第一位为数字
b=random.randrange(0,9)
temp=temp+str(b)             #生成的整数必须转成字符串类型进行拼接
else:
a=random.randrange(65,90)
temp=temp+chr(a)
print(temp)


 3、三级联动

dict= {
"东北":{
"吉林省":{
"吉林市":['吉林市1','吉林市2'],
"长春":['长春1','长春2'],},
"辽宁省":{
"沈阳":['沈阳1','沈阳2','沈阳3'],
"大连":['大连1','大连2'],
},
},
'华北':{
'河北省':{
'廊坊':['廊坊1','廊坊2'],
'保定':['保定1','保定2'],
},
'内蒙古':{
'呼和浩特':['呼和浩特1','呼和浩特2','呼和浩特3'],
'包头':['包头1','包头2']
},

},
}
for i in dict:
print(i)
a=input("请输入所要进入的地区:")
for o in dict[a]:
print(o)
b=input("请输入要进入的省:")
for p in dict[a][b]:
print(p)
c=input("请输入所要进入的市:")
for l in dict[a][b][c]:
print(l)


 4、账号注册登录

def login(a,b):
"""
用于用户名和密码的验证
:param a: 用户名
:param b: 密码
:return:Ture  用户验证成功   False  用户验证失败
"""
c=open("334.txt","r",encoding="utf-8")
for line in c:
line=line.strip()          #默认strip无参数用于去除换行符和空格
new_line=line.split("*")    #有参数,移除两端指定的值
if new_line[0]==a and new_line[1]==b:
return True
return False

def yanzheng(a):
"""
用于验证用户名是否存在
:param a: 用户名
:return: True  用户名存在
"""
c=open("334.txt","r",encoding="utf-8")
for line in c:
line=line.strip()          #默认strip无参数用于去除换行符和空格
new_line=line.split("*")    #有参数,移除两端指定的值
if new_line[0] ==a:
return True

def zhuche(a,b):
"""
用于用户注册
:param a: 用户名
:param b: 密码
:return: True   注册成功
"""
c = open("334.txt", "a", encoding="utf-8")
temp="\n"+ a + "*" + b
c.write(temp)
return True

def min():
print("欢迎登录英雄联盟官网")
m=input("登录:1;注册:2")
if m=="1":
f1=input("请输入用户名:")
f2=input("请输入密码:")
f3 = login(f1, f2)
if f3:
print("登录成功")
else:
print("登录失败")
elif m=="2":
f1=input("请输入用户名:")
f2=input("请输入密码:")
f4=yanzheng(f1)
if f4:
print("用户名已存在")
else:
f5=zhuche(f1,f2)
if f5:
print("恭喜注册成功")

min()


 计算器

import re
def f1(a):
a = re.sub(" ","",a)
a = a.replace('--', '+').replace('++', '+').replace('-+', '-').replace('+-', '-')
if "*" in a or "/" in a:
while True:
b = re.split("([\-]?\d+[.]?\d*[/*][\-]?\d+[.]?\d*)",a,1)
if len(b) == 3:
c = re.split("([/*])",b[1])
if c[1]== "*":
d = float(c[0])*float(c[2])
a = b[0]+str(d)+b[2]
else:
d = float(c[0])/float(c[2])
a = b[0]+str(d)+b[2]
else:
e = re.findall("[\-+]?\d+\.?\d*", a)
sun = 0
for i in e:
sun = sun + float(i)
return sun
else:
e = re.findall("[\-+]?\d+\.?\d*", a)
sun = 0
for i in e:
sun = sun + float(i)
return sun
def f2(a):
a = re.sub(" ", "", a)
if "*" in a or "/" in a:
while True:
a = a.replace('--', '+').replace('++', '+').replace('-+', '-').replace('+-', '-')
b = re.split("(\d+[.]?\d*[/*][\-]?\d+[.]?\d*)", a, 1)
if len(b) == 3:
c = re.split("([/*])", b[1])
if c[1] == "*":
d = float(c[0]) * float(c[2])
a = b[0] + str(d) + b[2]
else:
d = float(c[0]) / float(c[2])
a = b[0] + str(d) + b[2]
else:
e = re.findall("[\-+]?\d+\.?\d*", a)
sun = 0
for i in e:
sun = sun + float(i)
return sun
else:
e = re.findall("[\-+]?\d+\.?\d*", a)
sun = 0
for i in e:
sun = sun + float(i)
return sun
while True:
r=re.split("\(([^()]+)\)",a,1)
if len(r)==3:
m=f1(r[1])
a=r[0]+str(m)+r[2]
print(a)
else:
r=f2(a)
print(r)
break
print(eval(a))


 验证码

方法一

import random
li=[]
for i in range(6):
a=random.randrange(0,9)
if a==2 or a==6:
b=random.randrange(0,9)
li.append(str(b))
else:
b=random.randrange(65,90)
li.append(chr(b))
print("".join(li))


 游戏

import random
import time
import sys
def outer(func):
def f(n):
print("* ☆∵▁▂▄▂▁★∵∴☆★∵∴\n∴★◢█████◣ * ☆∴★∵★ * ☆\n☆◢████☆██◣∴    天气冷了,☆\n◢■◤█████◥█◣送你一件毛衣, * ★\n◥◤  █████◥◤∵小心别著凉了\n\t  █████\n\t  █████")
r = func(n)
return r
return f
for i in range(31):
time.sleep(0.2)
sys.stdout.write("\r")
sys.stdout.write("%s %% |%s"%(int((i/30)*100),i*"██"))
sys.stdout.flush()
print("\n\t\t欢迎来到英雄联盟PK擂台")
print("剑圣\t\t石头\t\t亚索\t\t瑞文\t\t薇恩\t\t老鼠\n卡牌\t\t劫\t\t剑姬\t\t安妮\t\t龙王\t\t女枪\n男枪\t\t螳螂\t\t蛮王\t\tEZ\t\t金克斯")
opp = input("请选择战斗的英雄1:")
odd = input("请选择战斗的英雄2:")
occ = input("确定:Y   重选:N")
class Swordman:
def __init__(self,name):
self.blood = 2000
self.Name = name
@outer
def Q(self):
self.blood = self.blood - 100
print("霸道的%s使用地震碎片技能,%s受到100点伤害,当前血量:%s"%(opp,odd,self.blood))
@outer
def W(self):
self.blood = self.blood + 200
print("%s得到200点血量,当前血量:%s"%(odd,self.blood))
@outer
def E(self):
self.blood = self.blood - 150
print("霸道的%s使用野蛮打击技能,%s受到150点伤害,当前血量:%s"%(opp,odd,self.blood))
@outer
def R(self):
self.blood = self.blood - 300
print("霸道的%s使用势不可挡技能,%s受到300点攻击,当前血量:%s"%(opp,odd,self.blood))

class Rock:
def __init__(self,name):
self.blood = 3000
self.Name = name
@outer
def Q(self):
self.blood = self.blood - 150
print("%s受到150点攻击,当前血量:%s" %(odd,self.blood))
@outer
def W(self):
self.blood = self.blood - 120
print("%s受到120点攻击,当前血量:%s" %(odd,self.blood))
@outer
def E(self):
self.blood = self.blood - 110
print("石头受到110点攻击,当前血量:%s" % self.blood)
@outer
def R(self):
self.blood = self.blood - 250
print("%s受到250点攻击,当前血量:%s" %(odd,self.blood))

obj1 = Swordman(opp)
obj2 = Rock(odd)
print(" %s\n     血量:%s\n     Q攻击:%s\n     W攻击:%s\n     E攻击:%s\n     R攻击:%s\n"%(opp,obj1.blood,150,120,110,250))
print(" %s\n     血量:%s\n     Q攻击:%s\n     W攻击:%s\n     E攻击:%s\n     R攻击:%s\n"%(odd,obj2.blood,100,200,150,300))
while True:
time.sleep(0.5)
ret=random.randrange(9)
if ret == 1 or ret == 3 or ret == 5 or ret == 7:
tump = random.randrange(9)
if tump == 1 or tump == 2:
obj1.Q()
elif tump == 3 or tump == 4:
obj1.W()
elif tump == 5 or tump == 6:
obj1.E()
else:
obj1.R()
else:
att = random.randrange(9)
if att == 1 or att == 2:
obj2.Q()
elif att == 3 or att == 4:
obj2.W()
elif att == 5 or att == 6:
obj2.E()
else:
obj2.R()
if obj1.blood < 0:
print("%sKO%s"%(opp,odd))
break
elif obj2.blood < 0:
print("%sKO%s"%(odd,opp))
break


 轮播图

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<!
DOCTYPE
 
html>

<
html
 
lang="en">

<
head
>

    
<
meta
 
charset="UTF-8">

    
<
title
>Title</
title
>

    
<
script
 
src="jquery-1.9.1.min.js"></
script
>

    
<
style
>

        
*{

            
margin: 0;

            
padding: 0;

        
}

        
.box{

            
position: relative;

            
width: 730px;

            
height: 454px;

            
border: dashed 5px gold;

            
margin: 0 auto;

        
}

        
img{

            
position: absolute;

        
}

         
.num{

            
position: absolute;

            
font-size: 0;   /*使li之间的间距为0*/

            
width: 100%;    /*使文本内容居中*/

            
text-align: center;

            
bottom: 10px;

        
}

        
.num li{

            
width: 20px;

            
height: 20px;

            
background-color: #9f9f9f;

            
border-radius: 60%;

            
line-height: 20px;

            
text-align: center;

            
list-style: none;

            
display: inline-block;

            
font-size: 16px;

            
margin: 5px;

            
cursor: pointer;

        
}

        
.r,.l{

            
display: inline-block;

            
width: 30px;

            
height: 60px;

            
background-color: #9f9f9f;

            
font-size: 25px;

            
line-height: 60px;

            
text-align: center;

            
position: absolute;

            
top: 50%;

            
right:0;

            
margin-top: -30px;

            
cursor: pointer;

        
}

        
.l{

            
left: 0;

        
}

        
.rl{

            
display: none;

        
}

        
.box:hover .rl{

            
display: block;

        
}

        
.num ul li.color{

            
background-color: red;

            
color: white;

        
}

    
</
style
>

</
head
>

<
body
>

    
<
div
 
class="box">

        
<
div
 
class="tu">

            
<
img
 
src="1.jpg" alt="">

            
<
img
 
src="2.jpg" alt="">

            
<
img
 
src="3.jpg" alt="">

            
<
img
 
src="4.jpg" alt="">

            
<
img
 
src="5.jpg" alt="">

        
</
div
>

        
<
div
 
class="num">

            
<
ul
>

                
<
li
>1</
li
>

                
<
li
>2</
li
>

                
<
li
>3</
li
>

                
<
li
>4</
li
>

                
<
li
>5</
li
>

            
</
ul
>

        
</
div
>

        
<
div
 
class="rl hide" >

            
<
span
 
class="l"><</
span
>

            
<
span
 
class="r">></
span
>

        
</
div
>

    
</
div
>

    
<
script
>

        
$(".num li").first().addClass("color");

        
$(".num li").mouseover(function () {

            
$(this).addClass("color").siblings().removeClass("color");

            
var index = $(this).index();

            
i=index;/*表示鼠标放上去再离开后,能够走他后面的那个图,而不是跟定时器的节奏走*/

            
$("img").eq(index).fadeIn(1000).siblings().fadeOut(1000);

        
});

        
var time = setInterval(move,2000);

        
i = 0;

        
function move() {

            
i++;

            
if(i==5){i=0}

            
$(".num li").eq(i).addClass("color").siblings().removeClass("color");

            
$("img").eq(i).fadeIn(1000).siblings().fadeOut(1000);

        
}

        
$(".box").hover(function () {     /*hover里面的第一个函数表示鼠标放上去以后执行,后一个表示鼠标移除后执行*/

            
clearInterval(time)

        
},function () {

            
var time = setInterval(move,2000);

                
}

        
);

        
$(".r").click(function () {

            
move()

        
});

        
$(".l").click(function () {

            
i=i-2;

            
if(i==-2){i=3}

            
move()

        
})

    
</
script
>

</
body
>

</
html
>

 
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