django中瀑布流初探
Posted wenghao
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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
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