我在python谷歌应用引擎中创建一个小猜猜游戏,我试图将答案设置为1-100之间的随机数
可以通过......完成。
import random
#Sets the answer to a random integer between 1 and 100
answer = random.randint(1,100)
哪个好。但是我有以下代码,每次用户猜到答案时它都会被重置为一个随机数,所以我想知道哪个是最好的方法让数字只存储一次,然后它将保持为那个数字。
class GuessGame(webapp2.RequestHandler):
def get(self):
#Sets user to the current user
user = users.get_current_user()
#Create logout URL for user
logout_url = users.create_logout_url(self.request.path)
#If user is logged in do the following
if user:
#Tells jinja2 to use numberguess.html template
template = JINJA_ENVIRONMENT.get_template('numberguess.html')
#Sets the values to pass through to the template
template_values = {
'user': user.nickname(),
'url_logout': logout_url,
'url_logout_text': 'Log out',
}
#Sends those values to the template
self.response.write(template.render(template_values))
else:
#If user isn't logged in then create the login url
self.redirect(users.create_login_url(self.request.uri))
def post(self):
#Sets user to the current user
user = users.get_current_user()
#Create logout URL for user
logout_url = users.create_logout_url(self.request.path)
#If user is logged in do the following
if user:
#Tells jinja2 to use numberguess.html template
template = JINJA_ENVIRONMENT.get_template('numberguess.html')
#Gets the content from the form that has been sent via POST
stguess = self.request.get('content')
#Sets msg to a string
msg = ''
#Sets guess to minus 1 to begin with
guess = -1
try:
#Sets guess to what was sent in the form only if its an int
guess = int(stguess)
except:
#If not an int then set it to minus 1
guess = -1
#Sets the answer to a random integer between 1 and 100
answer = random.randint(1,100)
#If the guess is the same as the answer then set msg to correct
if guess == answer:
msg = 'Congrats! The guess is correct!'
#If guess is less than 0 tell the user to provide positive number
#This also works if user tries to input a string because of the try/except code
elif guess < 0:
msg = 'Please provide a positive number'
#If guess too low then set msg
elif guess < answer:
msg = 'Your guess is too low'
#If guess too high then set msg
else:
msg = 'Your guess is too high'
#Sets the values to pass through to the template
template_values = {
'user': user.nickname(),
'url_logout': logout_url,
'url_logout_text': 'Log Out',
'guess': stguess,
'guess_text': msg,
}
#Sends those values to the template
self.response.write(template.render(template_values))
else:
self.redirect(users.create_login_url(self.request.uri))
self.redirect(users.create_login_url(self.request.uri))
答案 0 :(得分:3)
您需要将值存储在datastore中。
这可能需要一些改进,但我会这样做:
class StoredRandomNumber(ndb.Model):
User = ndb.StringProperty()
answer = ndb.IntegerProperty()
GuessNumber = ndb.IntegerProperty(default=0)
在你的帖子中:
randomEntity = StoredRandomNumber.query(StoredRandomNumber.User==str(user)).get()
if randomEntity == None:
randomEntity = StoredRandomNumber(User=str(user), answer=random.randint(1,100))
if guess == randomEntity.answer:
msg = 'Congrats! The guess is correct!'
#re-seed for new game
randomEntity.answer =random.randint(1,100)
randomEntity.GuessNumber = 0
elif guess < 0:
msg = 'Please provide a positive number'
randomEntity.GuessNumber +=1
elif guess < randomEntity.answer:
msg = 'Your guess is too low'
randomEntity.GuessNumber +=1
else:
msg = 'Your guess is too high'
randomEntity.GuessNumber +=1
#Save the updates
randomEntity.put()
答案 1 :(得分:-1)
在生成随机数之前提供固定种子。这将导致每次都生成相同的数字序列。
import random
random.seed(5)
random.randint(1,100)
=> 42
random.randint(1,100)
=> 28
random.randint(1,100)
=> 25
random.randint(1,100)
=> 1
random.seed(5)
random.randint(1,100)
=> 42
random.randint(1,100)
=> 28
random.randint(1,100)
=> 25
random.randint(1,100)
=> 1