修改记录(update):
student/views.py文件
from django.shortcuts import HttpResponse
from .models import Student
def student_update(request):
Student.objects.filter(name='张三').update(age=123)
Student.objects.filter(age__lte=20).update(age=99)
return HttpResponse("*******************修改成功*******************")
删除记录(delete):
student/views.py文件
from django.shortcuts import HttpResponse
from .models import Student
def student_delete(request):
# get获取不到值时,执行抛出异常
Student.objects.get(name='张三').delete()
# filter获取不到值时无异常显示
Student.objects.filter(age__lte=50).delete()
return HttpResponse("*******************删除成功*******************")