Python新手使用的Django架站的16堂课 --- 第九章(二)

原创于 2019-09-18 11:24:21 发布 · 249 阅读

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本教程详细介绍了如何使用Django框架进行用户管理，包括用户信息展示、登录功能实现及页面设计。通过具体代码示例，展示了models、views、templates等组件的使用，并解释了session和form在用户验证过程中的作用。

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Python新手使用的Django架站的16堂课 — 第九章(二)
python manage.py runserver 192.168.99.218:8080

models.py

class User(models.Model):
    name  = models.CharField(max_length=20,null=False)
    email = models.EmailField()
    password = models.CharField(max_length=20,null=False)
    enabled  = models.BooleanField(default=False)
    
    def __unicode__(self):
        return self.name

admin.py

admin.site.register(models.User)

header.html

 <!-- header.html (ch09www project) -->
    <nav class='navbar navbar-default'>
        <div class='container-fluid'>
            <div class='navbar-header'>
                <div class='navbar-brand' align=center>
                    分享日记 
                </div>
            </div>
            <ul class='nav navbar-nav'>
                <li class='active'><a href='/'>Home</a></li>
                    {% if username %}
                    <li><a href='/userinfo'>个人资料</a></li>
                    <li><a href='/post'>写日记</a></li>
                    <li><a href='/contact'>联络管理员</a></li>
                    <li><a href='/logout'>注销</a></li>
                    {% else %}
                    <li><a href='/login'>登录</a></li>
                    {% endif %}
                    <li><a href='/admin'>后台管理</a></li>  
            </ul>
        </div>
    </nav>

urls.py

url(r'^userinfo/$', views.userinfo),

views.py

def userinfo(request):

    message = 'hello'
    if 'username' in request.session:
        username = request.session['username']
    else:
        return redirect('/login/')
    
    try:                   
        userinfo = models.User.objects.get(name=username)
    except:
        message = 'helloAAAA'
        pass
        
    template = get_template('userinfo.html')
    
    html = template.render(locals())
    
    return HttpResponse(html)

运行 ,admin 输入用户

python manage.py makemigrations
python manage.py migrate

python manage.py runserver 192.168.99.218:8080
http://192.168.99.218:8080/admin/

Users 添加两个
在这里插入图片描述

forms.py

class LoginForm(forms.Form):
    username = forms.CharField(label='姓名',max_length=10)
    password = forms.CharField(label='密码',widget=forms.PasswordInput())

login.html

<!-- login.html (ch09www project) -->
{% extends "base.html" %}
{% block title %}登录分享日记{% endblock %}
{% block content %}
<div class='container'>
{% if message %}
    <div class='alert alert-warning'>{{ message }} </div>
{% endif %}

<div class='row'>
    <div class='col-md-12'>
        <div class='panel panel-default'>
            <div class='panel-heading' align=center>
            <h3>登录我的私人日记</h3>
    </div>
</div>
<form action='.' method='POST'>
    {% csrf_token %}
        <table>
            {{ login_form.as_table }}
        </table>
    <input type='submit' value='登录'><br/>
</form>
</div>
{% endblock %}

views.py

from django.shortcuts import redirect

from django.shortcuts import redirect
def login(request):
    if request.method == 'POST':
        login_form = forms.LoginForm(request.POST)
        if login_form.is_valid():
            login_name = request.POST['username'].strip()
            login_password = request.POST['password']
            try:
                user = models.User.objects.get(name=login_name)
                
                if user.password == login_password:
                    message = 'bbb'
                    response = redirect('/')
                    request.session['username'] = user.name
                    request.session['useremail'] = user.email
                    
                    return redirect('/')
                
                else:
                    message = "密码错误,请再检查一次"
            except:
                message = message + "目前无法登录" +  login_name + ':' + str(models.User.objects.all()) + ':' + str(models.User.objects.get(name='test'))
            
        else:
            message = "请检查输入的字段内容"
    else:
       login_form = forms.LoginForm()
        
     
    template = get_template('login.html')                       
    request_context = RequestContext(request)
    request_context.push(locals())
    html = template.render(request_context)
    response = HttpResponse(html)
        
    return response

views.py

def index(request,pid=None,del_pass=None):

    if 'username' in request.session:
        username = request.session['username']
        useremail = request.session['useremail']
               
    template = get_template('index.html')
                    
    html = template.render(locals())
    
    return HttpResponse(html)

index.html

<!-- index.html (ch09www project) -->
{% extends "base.html" %}
{% block title %}分享日记{% endblock %}
{% block content %}
<div class='container'>
{% if message %}
        <div class='alert alert-warning'>{{ message }} </div>
{% endif %}    

<div class='row'>
    <div class='col-md-12'>
        <div class='panel panel-default'>
            <div class='panel-heading' align=center>
            <h3>我的私人日记</h3>
    </div>
</div>

{% if username %}
    欢迎:{{ username }}
{% endif %}
</div>
{% endblock %}

userinfo.html

<!-- login.html (ch09www project) -->
{% extends "base.html" %}
{% block title %}分享日记{% endblock %}
{% block content %}

<div class='container'>
{% if message %}
        <div class='alert alert-warning'>{{ message }} </div>
{% endif %}    
<div class='row'>
    <div class='col-md-12'>
        <div class='panel panel-default'>
            <div class='panel-heading' align=center>
                <h3>用户信息</h3>
            </div>
    </div>
</div>
<p>
    您的姓名：{{ userinfo.name }}<br/>
    电子邮件：{{ userinfo.email }}
</p>
</div>
{% endblock %}

在这里插入图片描述