#python死循环问题
import random
from collections import deque
class Time():
def __init__(self):
self.minute=0
self.hour=9
def timechange(self):
self.minute+=1
if self.minute==60:
self.minute=0
self.hour+=1
class Guest():
def __init__(self,a,hour,minute):
self.business=chr(ord('A')+a%4)
self.arrivehour=hour
self.arriveminute=minute
class Counter():
def __init__(self):
self.free=True
self.freetime=[None,None]
self.servecount=0
self.Acount=0
self.Bcount=0
self.Ccount=0
self.Dcount=0
def displaywork(self):
print("%d %d %d %d %d"%(self.servecount,self.Acount,self.Bcount,self.Ccount,self.Dcount))
def pguest():
rand=random.randint(1,52)
if 0<rand<=4:
return rand
else:
return None
def creatcounter():
counter=[None,None,None,None]
for i in range(4):
counter[i]=Counter()
return counter
def business(a):
if a =='A':
return '存款业务'
if a=='B':
return '取款业务'
if a=='C':
return '挂失业务'
if a=='D':
return '还贷业务'
def showTicket(guest):
global numb
numb+=1
hour=guest.arrivehour
minute=guest.arriveminute
str=business(guest.business)
print(" 一位客户进入银行取票：时间为%02d时%02d分，编号%02d，业务为%s"%(hour,minute,numb,str))
def entercounter(time,counter,waitingqueue): #验证是否有空柜台，并且有空柜台时返回等待客户的第一位
for i in range(0,4):
if counter[i].freetime[0]==time.hour and counter[i].freetime[1]==time.minute:
counter[i].free=True
if counter[0].free or counter[1].free or counter[2].free or counter[3].free:
if waitingqueue:
guest=waitingqueue.popleft()
return guest
return None
def choosecounter(counter,guest,time):
timeh=time.hour
timem=time.minute
for i in range(0,4):
if counter[i].free:
break
counter[i].servecount+=1
counter[i].free=False
if guest.business=='A':
counter[i].Acount+=1
timem+=5
if time.minute>60:
timeh+=1
timem-=60
if guest.business=='B':
counter[i].Bcount+=1
timem+=5
if time.minute>60:
timeh+=1
timem-=60
if guest.business=='C':
counter[i].Ccount+=1
timem+=10
if time.minute>60:
timeh+=1
timem-=60
if guest.business=='D':
counter[i].Dcount+=1
timem+=10
if time.minute>60:
timeh+=1
timem-=60
counter[i].freetime[0]=timeh
counter[i].freetime[1]=timem+1
return [timeh-guest.arrivehour,timem-guest.arriveminute]
def average_time(b):
t=len(b)
totaltime=0
for i in range(t):
totaltime+=60*b[i][0]+b[i][1]
return float(totaltime/t)
if __name__=='__main__':
global numb
numb=0
time=Time()
counter=creatcounter()
waitingqueue=deque()
staytime=[]
print('银行九点开门，十七点停业，客户进门状况如下：')
while time.hour<17:
new_guest=pguest() #随机确认是否来客人
if new_guest:
guest=Guest(new_guest,time.hour,time.minute) #通过随机数建立客人的业务要求，到达时间
waitingqueue.append(guest) #将客人加入等待序列中
showTicket(guest) #展示客人票据
guest1=entercounter(time,counter,waitingqueue) #检查柜台是否空余，返回队列中第一位客户或者None
if guest1:
b=choosecounter(counter,guest1,time) #客户进入空柜台，并且柜台统计客人数及业务
staytime.append(b)
time.timechange()
print("十七点停业，剩余客人继续排队完成。")
while len(waitingqueue)>0 or any(counter[i].free!=True for i in range(4)):
guest1=entercounter(time,counter,waitingqueue)
if guest1:
b=choosecounter(counter,guest1,time)
staytime.append(b)
time.timechange()
else:
time.timechange()
continue
average=average_time(staytime)
print()
print('今日接待客户数为%d'%numb)
print('客户平均逗留时间为%0.1f分钟'%average)
for i in range(4):
counter[i].displaywork()
最后输出的四排数第一位总和应该是总人数。停业后死循环问题无法解决
continue 换 break 试下，看是否为你想要的结果。