视图未返回HttpResponse对象

from django.http import HttpResponse

def my_view(request):
    # 处理逻辑
    return HttpResponse("Hello, World!")

from django.http import HttpResponse, HttpResponseServerError

def my_view(request):
    try:
        # 处理逻辑
        return HttpResponse("Hello, World!")
    except Exception as e:
        return HttpResponseServerError(f"An error occurred: {str(e)}")

from django.http import HttpResponse, HttpResponseNotFound

def my_view(request):
    if request.method == 'GET':
        # 处理GET请求
        return HttpResponse("This is a GET request.")
    elif request.method == 'POST':
        # 处理POST请求
        return HttpResponse("This is a POST request.")
    else:
        # 处理其他请求方法
        return HttpResponseNotFound("Method Not Allowed")

from django.http import HttpResponse, HttpResponseNotFound

def example_view(request):
    if request.method == 'GET':
        data = {"message": "Hello, World!"}
        return HttpResponse(content=data, content_type='application/json')
    else:
        return HttpResponseNotFound("Method Not Allowed")