项目实战-后台管理系统（三）

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技术文章第一时间送达!

学生管理

student.html

{% extends "base.html" %}
{% block css %}
{% endblock %}
{% block content %}
    h1学生列表/h1
    div
        a href="/add_student.html"添加/a
    /div
    table border="1"
        thead
            tr
                th学生ID/th
                th学生姓名/th
                th学生邮箱/th
                th所属班级ID/th
                th所属班级/th
                th操作/th
            /tr
        /thead
        tbody
            {% for row in result %}
                tr
                    td{{ row.id }}/td
                    td{{ row.name }}/td
                    td{{ row.email }}/td
                    td{{ row.cls.id }}/td
                    td{{ row.cls.caption }}/td
                    td
                        a href="/edit_student.html?nid={{ row.id }}"编辑/a | a删除/a
                    /td
                /tr
            {% endfor %}
        /tbody
    /table
{% endblock %}
{% block js %}
    script
        $(function () {
            $('#menu_student').addClass('active');
        })
    /script
{% endblock %}

add_student.html

{% extends "base.html" %}
{% block css %}
{% endblock %}
{% block content %}
    h1创建学生/h1
    form action="/add_student.html" method="POST"
        p
            input placeholder="学生姓名" type="text" name="name" /
        /p
        p
            input placeholder="学生邮箱" type="text" name="email" /
        /p
        p
            !-- input placeholder="班级ID" type="text" name="cls_id" / --
            select name="cls_id"
                {% for op in cls_list %}
                    option value="{{ op.id }}"{{ op.caption }}/option
                {% endfor %}
            /select
        /p
        input type="submit" value="提交"/
    /form
{% endblock %}
{% block js %}
    script
        $(function () {
            $('#menu_student').addClass('active');
        });
    /script
{% endblock %}

edit_student.html

{% extends "base.html" %}
{% block css %}
{% endblock %}
{% block content %}
    h1编辑学生/h1
    form action="/edit_student.html" method="POST"
        input class="hide" type="text" name="id" value="{{ obj.id }}" /
        p
            input placeholder="学生姓名" type="text" name="name" value="{{ obj.name }}"  /
        /p
        p
            input placeholder="学生邮箱" type="text" name="email" value="{{ obj.email }}" /
        /p
        p
            !-- input placeholder="班级ID" type="text" name="cls_id" / --
            select name="cls_id"
                {% for op in cls_list %}
                    {% if op.id == obj.cls_id %}
                        option selected="selected" value="{{ op.id }}"{{ op.caption }}/option
                    {% else %}
                        option value="{{ op.id }}"{{ op.caption }}/option
                    {% endif %}
                {% endfor %}
            /select
        /p
        input type="submit" value="提交"/
    /form
{% endblock %}
{% block js %}
    script
        $(function () {
            $('#menu_student').addClass('active');
        });
    /script
{% endblock %}

urls.py

from django.contrib import admin
from django.urls import path,re_path
from app01 import views
urlpatterns = [
  path('admin/', admin.site.urls),
  path('login.html', views.login),
  path('index.html', views.index),
  path('logout.html', views.logout),
  path('classes.html', views.handle_classes),
  path('add_classes.html', views.handle_add_classes),
  path('edit_classes.html', views.handle_edit_classes),
  path('del_classes.html', views.handle_del_classes),
  path('student.html$', views.handle_student),
  path('add_student.html$', views.add_student),
  path('edit_student.html$', views.edit_student),
]

veiws.py

@auth
def handle_student(request):
    if request.method == "GET":
        # for i in range(10):
        #     models.Student.objects.create(name='root' + str(i),
        #                                   email='root@live.com' + str(i),
        #                                   cls_id=i)
        result = models.Student.objects.all()
        current_user = request.session.get('username')
        return render(request, 'student.html', {'username': current_user,'result': result})
    elif request.method == "POST":
        return redirect('/index.html')
    else:
        return redirect('/index.html')

@auth
def add_student(request):
    if request.method == "GET":
        return render(request, 'add_student.html')
    elif request.method == "POST":
        name = request.POST.get('name')
        email = request.POST.get('email')
        cls_id = request.POST.get('cls_id')
        models.Student.objects.create(name=name,email=email,cls_id=cls_id)
        return redirect('/student.html')
@auth
def edit_student(request):
    if request.method == "GET":
        cls_list = models.Classes.objects.all()[0: 20]
        nid = request.GET.get('nid')
        obj = models.Student.objects.get(id=nid)
        return render(request, 'edit_student.html', {'cls_list': cls_list, "obj": obj})
    elif request.method == "POST":
        nid = request.POST.get('id')
        name = request.POST.get('name')
        email = request.POST.get('email')
        cls_id = request.POST.get('cls_id')
        models.Student.objects.filter(id=nid).update(name=name,email=email,cls_id=cls_id)
        return redirect('/student.html')

至此，学生的增改查就完成了。这里只是简单的实现，分页和删除参照上篇文章。

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