使用Ajax登录后，Django CSRF验证在表单验证中失败

MIDDLEWARE = [
    ...
    'django.middleware.csrf.CsrfViewMiddleware',
    ...
]

var csrftoken = getCookie('csrftoken');
$.ajax({
    url: 'your_url',
    type: 'POST',
    headers: {
        'X-CSRFToken': csrftoken
    },
    data: {
        // 请求数据
    },
    success: function(response) {
        // 处理成功响应
    },
    error: function(xhr, errmsg, err) {
        // 处理错误响应
    }
});

function getCookie(name) {
    var cookieValue = null;
    if (document.cookie && document.cookie !== '') {
        var cookies = document.cookie.split(';');
        for (var i = 0; i < cookies.length; i++) {
            var cookie = cookies[i].trim();
            if (cookie.substring(0, name.length + 1) === (name + '=')) {
                cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                break;
            }
        }
    }
    return cookieValue;
}

from django.views.decorators.csrf import csrf_exempt

@csrf_exempt
def your_view(request):
    # 处理Ajax请求

CORS_ORIGIN_ALLOW_ALL = True