软件&＃xff1a;Pycharm2020
Python&＃xff1a;python3.7.5
Django&＃xff1a;django3.0.8
数据库&＃xff1a;mysql5.7.30
github链接 https://github.com/yt-xy/Django-student
输出 Hello World&＃xff01;
views.py
from django.shortcuts import render
def index(request):words &＃61; &＃39;World!&＃39;return render(request, &＃39;index.html&＃39;, context&＃61;{&＃39;words&＃39;: words})
templates/index.html
<html lang&＃61;"en">
<head><meta charset&＃61;"UTF-8"><title>学员管理系统title>
head>
<body>Hello {{ words }}
body>
html>
urls.py
from django.conf.urls import url
from django.contrib import admin
from stu.views import index
urlpatterns &＃61; [url(r&＃39;^admin/&＃39;, admin.site.urls),url(r&＃39;^$&＃39;, index, name&＃61;&＃39;index&＃39;),
]
再次启动项目&＃xff0c;进入 http://127.0.0.1:8000 即可看到 Hello World!
输出数据
views.py
from django.shortcuts import render
from .models import Student
def index(request):students &＃61; Student.objects.all()return render(request, &＃39;index.html&＃39;, context&＃61;{&＃39;students&＃39;: students})
index.html
<html lang&＃61;"en">
<head><meta charset&＃61;"UTF-8"><title>学员管理系统title>
head>
<body><ul>{% for student in students %}<li>{{ student.name }} - {{ student.get_status_display }}li>{% endfor %}ul>
body>
html>
提交数据
forms.py
from django import forms
from .models import Student
class StudentForm(forms.Form):name &＃61; forms.CharField(label&＃61;&＃39;姓名&＃39;, max_length&＃61;128)sex &＃61; forms.ChoiceField(label&＃61;&＃39;性别&＃39;, choices&＃61;Student.SEX_ITEMS)profession &＃61; forms.CharField(label&＃61;&＃39;职业&＃39;, max_length&＃61;128)email &＃61; forms.EmailField(label&＃61;&＃39;邮箱&＃39;, max_length&＃61;128)qq &＃61; forms.CharField(label&＃61;&＃39;QQ&＃39;, max_length&＃61;128)phone &＃61; forms.CharField(label&＃61;&＃39;手机&＃39;, max_length&＃61;128)
可修改为&＃xff1a;
class StudentForm(forms.ModelForm):def clean_qq(self):cleaned_data &＃61; self.cleaned_data[&＃39;qq&＃39;]if not cleaned_data.isdigit():raise forms.ValidationError(&＃39;必须是数字&＃xff01;&＃39;)return int(cleaned_data)class Meta:model &＃61; Studentfields &＃61; (&＃39;name&＃39;, &＃39;sex&＃39;, &＃39;profession&＃39;,&＃39;email&＃39;, &＃39;qq&＃39;, &＃39;phone&＃39;)
views.py
from django.http import HttpResponseRedirect
from django.shortcuts import render
from django.urls import reverse
from .forms import StudentForm
from .models import Student
def index(request):students &＃61; Student.objects.all()if request.method &＃61;&＃61; &＃39;POST&＃39;:form &＃61; StudentForm(request.POST)if form.is_valid():cleaned_data &＃61; form.cleaned_datastudent &＃61; Student()student.name &＃61; cleaned_data[&＃39;name&＃39;]student.sex &＃61; cleaned_data[&＃39;sex&＃39;]student.email &＃61; cleaned_data[&＃39;email&＃39;]student.profession &＃61; cleaned_data[&＃39;profession&＃39;]student.qq &＃61; cleaned_data[&＃39;qq&＃39;]student.phone &＃61; cleaned_data[&＃39;phone&＃39;]student.save()return HttpResponseRedirect(reverse(&＃39;index&＃39;))else:form &＃61; StudentForm()context &＃61; {&＃39;students&＃39;: students,&＃39;form&＃39;: form,}return render(request, &＃39;index.html&＃39;, context&＃61;context)
可修改为&＃xff1a;
def index(request):students &＃61; Student.objects.all()if request.method &＃61;&＃61; &＃39;POST&＃39;:form &＃61; StudentForm(request.POST)if form.is_valid():form.save()return HttpResponseRedirect(reverse(&＃39;index&＃39;))else:form &＃61; StudentForm()context &＃61; {&＃39;students&＃39;: students,&＃39;form&＃39;: form,}return render(request, &＃39;index.html&＃39;, context&＃61;context)
现在就可以添加数据并在前端页面显示了>.<
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