在Django中点击Like按钮时出错

<!-- 示例HTML -->
<button id="like-btn">Like</button>

<script>
document.getElementById('like-btn').addEventListener('click', function() {
    fetch('/like/', {
        method: 'POST',
        headers: {
            'Content-Type': 'application/json',
            'X-CSRFToken': '{{ csrf_token }}'
        },
        body: JSON.stringify({ item_id: 123 })
    })
    .then(response => response.json())
    .then(data => {
        console.log(data);
    });
});
</script>

# 示例Django视图
from django.http import JsonResponse
from django.views.decorators.csrf import csrf_exempt
import json

@csrf_exempt
def like_view(request):
    if request.method == 'POST':
        data = json.loads(request.body)
        item_id = data.get('item_id')
        # 处理点赞逻辑
        return JsonResponse({'status': 'success'})
    return JsonResponse({'status': 'error'}, status=400)

<script>
document.getElementById('like-btn').addEventListener('click', function() {
    fetch('/like/', {
        method: 'POST',
        headers: {
            'Content-Type': 'application/json',
            'X-CSRFToken': '{{ csrf_token }}'
        },
        body: JSON.stringify({ item_id: 123 })
    })
    .then(response => response.json())
    .then(data => {
        console.log(data);
    });
});
</script>

# 示例Django模型
from django.db import models

class Item(models.Model):
    likes = models.IntegerField(default=0)

# 示例Django视图
from django.http import JsonResponse
from django.views.decorators.csrf import csrf_exempt
import json
from .models import Item

@csrf_exempt
def like_view(request):
    if request.method == 'POST':
        data = json.loads(request.body)
        item_id = data.get('item_id')
        try:
            item = Item.objects.get(id=item_id)
            item.likes += 1
            item.save()
            return JsonResponse({'status': 'success'})
        except Item.DoesNotExist:
            return JsonResponse({'status': 'error', 'message': 'Item not found'}, status=404)
    return JsonResponse({'status': 'error'}, status=400)