我在申请时碰到了墙。我可以登录我的主页，但我遇到了“预期的强大或缓冲”。我在我的观点第16行找到了错误
today=Appointment.objects.order_by('date').filter(date=now,user=user)
我做了很多事来解决这个问题无济于事。 的观点：
#-*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.shortcuts import render, redirect
from .models import User,Appointment
from datetime import datetime
from django.contrib import messages
import bcrypt
# Create your views here.
def index(request):
return render(request,'index.html')
def home(request):
now=datetime.now().strftime("%Y-%m-%d"),
user =User.objects.get(id=request.session['user_id'])
today=Appointment.objects.order_by('date').filter(date=now,user=user)
laterdate=Appointment.objects.order_by('date').filter(user=user).exclude(date=now)
context={
'user':user,
'laterdate':laterdate,
'today':today,
}
return render(request,"welcome.html",context,now)
def register(request):
errors = User.objects.validate(request.POST)
#print 'this process works', request.POST
if len(errors) > 0:
for error in errors:
messages.error(request, error)
return redirect("/")
else:
hashpwd = bcrypt.hashpw(request.POST["password"].encode(), bcrypt.gensalt())
newuser = User.objects.create(
first_name=request.POST['first_name'],
last_name=request.POST['last_name'],
email=request.POST['email'],
password=hashpwd)
request.session['user_id'] = newuser.id
request.session['name'] = newuser.first_name
print "session info", newuser.id, newuser.first_name
return redirect("/home")
def login(request):
errors = User.objects.loginvalidate(request.POST)
if len(errors) > 0:
for error in errors:
messages.error(request, error)
return redirect("/")
else:
user = User.objects.filter(email=request.POST['email'])[0]
request.session['user_id'] = user.id
request.session['name'] = user.first_name
return redirect("/home")
def logout(request):
request.session.clear()
print 'goodbye'
return redirect('/')
def delete(request,id):
Appointment.objects.get(id=id).delete()
return redirect('/home')
def edit(request):
appointment=Appointment.objects.get(id=id)
context={
'edit':appointment
}
return render(request,"update.html",context)
def create(request):
errors=Appointment.objects.appointvalidate(request.POST)
if len(errors)>0:
for error in errors:
messages.error(request,error)
return redirect("/home")
else:
users = User.objects.get(id = request.session['user_id'])
Appointment.objects.create(
task=request.POST["task"],
time=request.POST["time"],
date=request.POST["date"],
status="pending",
key=users,
)
return redirect("/home")
def update(request,id):
errors=Appointment.objects.appointvalidate(request.POST)
if errors['status']==True:
update=Appointment.objects.get(id=id)
update.task=request.POST['task']
update.time=request.POST['time']
update.date=request.POST['date']
update.status=request.POST['status']
update.save()
return redirect("/home")
else:
for error in errors:
messages.error(request,error)
return redirect("/update")
型号：
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.db import models
import bcrypt
import re
from datetime import *
import datetime
EMAIL_REGEX = re.compile(r'^[a-zA-Z0-9.+_-]+@[a-zA-Z0-9._-]+\.[a-zA-Z]+$')
NAME_REGEX = re.compile(r'^[aA-zZ\s]+$')
# Create your models here.
class UserManage(models.Manager):
def validate(self, postData):
errors = {}
if len(postData['first_name']) < 2:
errors["First name field can be left blank"]="first_name"
elif not NAME_REGEX.match(postData['first_name']):
errors["This is not a valid first name. Try again."]="first_name"
if len(postData['last_name']) < 2:
errors["Last name cannot be left blank"]="last_name"
elif not NAME_REGEX.match(postData['last_name']):
errors["This is not a valid last name. Try again."]="last_name"
if len(postData['email']) < 1:
errors["Email cannot be left blank"]="email"
elif not EMAIL_REGEX.match(postData['email']):
errors["this is not a valid email try again"]="email"
if (User.objects.filter(email=postData['email'])):
errors['Email already in use']="email"
print postData["email"]
if len(postData['password']) < 8:
errors["Passwords must at least 8 characters"]="password"
if postData["password"] != postData["cpassword"]:
errors["Passwords do not match"]="cpassword"
return errors
def loginvalidate(self, postData):
errors = {}
if len(postData['email'])<1:
errors["Email field can not be blank"] = "email"
if len(postData["password"])<8:
errors["Password must be at least 8 characters" ] = "password"
if len(self.filter(email=postData['email']))>0:
#print 'TRUE for emails'
currentuser =self.filter(email=postData['email'])[0]
existingpwd = currentuser.password
if not bcrypt.checkpw(postData["password"].encode(), existingpwd.encode()):
errors["Password does not match"] = "password"
else:
errors["Email does not match"] = "email"
return errors
class AppointmentManage(models.Manager):
def appointvalidate(self,postData):
errors={}
if len(postData['task'])<2:
errors["Task field cannot be left blank"]="task"
if len(postData['task'])<20:
errors["Task field is too long"]="task"
if len(postData['date'])<1:
errors["Date field cannot be left blank"]="date"
else:
pause=datetime.strptime(time,"%Y-%m-%d %H:%M")
if pause< datetime.now():
errors["Only present and future dates are permissable"]="date"
if len(postData['time'])<1:
errors["Time field cannot be left blank"]="time"
return errors
def sorter(self):
return (self.all().order_by('-date'))
class User(models.Model):
first_name = models.CharField(max_length=45)
last_name = models.CharField(max_length=45)
email = models.CharField(max_length=45)
password = models.CharField(max_length=45)
birthdate = models.DateField(auto_now=True)
objects = UserManage()
class Appointment(models.Model):
date=models.DateField(auto_now=True)
status=models.CharField(max_length=20)
time=models.TimeField()
task=models.CharField(max_length=20)
key=models.ForeignKey(User,related_name="other")
objects=AppointmentManage()
def current_day(self):
# return date.today().strftime("%Y-%m-%d") == self.date
return {'date': datetime.now()}
Html页面：
<DOCTYPE html>
<html>
<head> <link rel="stylesheet" type="text/css" href="style.css">
{% load static %}
</head><body>
<h1>Welcome{{request.session.name}} </h1>
<a href="/logout"><button>logout</button></a>
<h1>Here are your
appointments for {{request.session.datetime}}</h1>
<table>
<thead><th>Task</th><th>Date</th><th>Time</th> <th>Status</th> <th>Actions</th></thead>
{%for meeting in today%}
<tr><td>{{meeting.task}}</td><td>{{meeting.date}}</td><td>{{meeting.time}}</td><td>{{meeting.status}}</td><td><a href="/edit"><button>Edit</button></a></td><td><a href="/delete"><button>Delete</button></a></td></tr>
{%endfor%}
</table>
<p>Other appointments</p>
<table>
<thead><th>Task</th><th>Date</th><th>Time</th></thead>
{%for meeting in laterdate%}
<tr><td>{{meeting.task}}</td><td>{{meeting.date}}</td><td>{{meeting.time}}</td></tr>
{%endfor%}
</table>
<h2>Add a new Appointment</h2>
<form action="/create" method="POST">
{% csrf_token %}
<label for="task">
<p>Task:</p> <input type="text" name="task">
</label>
<label for="time">
<p>Time:</p><input type="time" name="time" id="">
</label>
<label for="date">
<p>Date</p><input type="date" name="date" id="">
</label>
<button type="submit">Submit</button>
<br>
{% if messages %}
<ul class="messages">
{% for message in messages %}
<li{% if message.tags %} class="{{ message.tags }}"{% endif %}>{{ message }}</li>
{% endfor %}
</ul>
{% endif %}
</form>
</body>
答案 0 :(得分：0)
尝试：
from datetime import datetime
today=Appointment.objects.order_by('date').filter(date=datetime.today(), user=user)