django中瀑布流初探

img.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .w{
            width: 1000px;
            margin: 0 auto;
        }
        .item{
            width: 25%;
            float: left;
        }
        .item img{
            width: 100%;
        }
    </style>
</head>
<body>
    <div>姑娘们</div>
    <div class="w" id="container">

        <div class="item">11
        </div>
        <div class="item">22

        </div>
        <div class="item">33

        </div>
        <div class="item">44

        </div>
    </div>
    <script src="/static/jquery-1.12.4.js"></script>
    <script>
        $(function () {
            initImg();
        });
        NID = 0;
        function initImg() {
           $.ajax({
                url: '/get_imgs.html',
                type: 'GET',
                data:{nid:NID},
                dataType: 'JSON',
               success:function (arg) {
                    var img_list = arg.data;
                    $.each(img_list,function (index,v) {
{#        index,v，index是指的索引，v是指的内容                #}
                        var eqv = index % 4;
                        var tag = document.createElement('img');
                        tag.src = '/'+ v.src;
                        $('#container').children().eq(eqv).append(tag);
                        //这里的eq是获取children里面的内容
                    })

               }
               
           })
        }
    </script>
</body>
</html>

views

def imgs(request):
    # img_list = models.Img.objects.all()
    return render(request,'img.html')

def get_imgs(request):
    nid = request.GET.get('nid')
    img_list = models.Img.objects.filter(id__gt=nid).values('id','src','title')
    img_list = list(img_list)
    ret = {
        'status': True,
        'data': img_list
    }
    # return HttpResponse(json.dumps(ret))
    return JsonResponse(ret)
    # return JsonResponse([11,22,33],safe=False)

models

class Img(models.Model):

    src = models.FileField(max_length=32,verbose_name='图片路径',upload_to='static/upload')
    title = models.CharField(max_length=16,verbose_name='标题')
    summary = models.CharField(max_length=128,verbose_name='简介')

    class Meta:
        verbose_name_plural = '图片'
    def __str__(self):
        return self.title

posted on 2019-10-14 11:36 帅的遭人砍see 阅读(110) 评论(0) 编辑收藏举报