数据模型
from django.db import models class userinfo(models.Model):
username = models.CharField(max_length=10,unique=True)
password = models.CharField(max_length=50)
def __str__(self):
return self.username
视图
from django.shortcuts import render,render_to_response
from django.http import HttpResponse
from .models import *
# Create your views here.
def index(request):
return render(request,'index.html')
def register(request):
return render(request,'register.html')
def adduser(requset):
uname = requset.POST['user']
upwd = requset.POST['pwd']
try:
usr = userinfo()
usr.username=uname
usr.password=upwd
usr.save()
#userinfo.objects.get_or_create(username=uname,password=upwd)
msg='user create success!'
all = userinfo.objects.all()
return render(requset, 'info.html', {'msg': msg, 'all': all})
except Exception as e:
#return render(requset,'info.html',{'msg':e,'all':all})
return HttpResponse({'<html>数据重复了<a href="/"><h2>返回</h2></a></html>'},e)
项目的url
from django.conf.urls import include, url
from django.contrib import admin urlpatterns = [
url(r'^admin/', include(admin.site.urls)),
url(r'',include('person.urls')),
]
APP的url
from django.conf.urls import include, url
from django.contrib import admin
from . import views as vv
urlpatterns = [
url(r'^register/$',vv.register),
url(r'^adduser/$',vv.adduser),
url(r'',vv.index),
]
index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Index</title>
</head>
<body>
<h1>Welcome</h1>
<a href="/register/"><h2>注册</h2></a>
</body>
</html>
register.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Register</title>
</head>
<body>
<form action="/adduser/" method="POST">
{% csrf_token %}
账号：<input type="text" name="user"><br>
密码：<input type="password" name="pwd"><br>
<input type="submit" value="提交">
</form>
</body>
</html>
info.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Info</title>
</head>
<body>
<h2>{{ msg }}</h2>
<p>到目前为止所有的注册用户列表为：</p>
<li>
{% for i in all %}
<ol>{{ i.username }}</ol>
{% endfor %}
</li> <a href="/">点击跳转</a>
</body>
</html>
index主页截图
register注册页截图
正确提交截图
错误提交截图
（比如用户重复），实现主要在视图中的adduser方法中，通过except Exception as e:return HttpResponse实现
