forms组件

def register(request):
    errors = {‘name‘:‘‘,‘pwd‘:‘‘}
    if request.method == ‘POST‘:
        name=request.POST.get(‘name‘)
        pwd=request.POST.get(‘pwd‘)
        if ‘sb‘ in name:
            errors[‘name‘] = ‘名字中不能有"sb"‘
        if len(pwd)<6:
            errors[‘pwd‘] = ‘密码长度至少6位‘
    return render(request,‘reg.html‘,locals())

<body>
<h3>注册</h3>
<form action="" method="post">
    <p>username:
        <input type="text" name="name">
        <span>{{ errors.name }}</span>
    </p>
    <p>password:
        <input type="password" name="pwd">
        <span>{{ errors.pwd }}</span>
    </p>
    <input type="submit">

</form>
</body>