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异步加载技术实现瀑布流效果,异步加载技术瀑布
我的html页面过长,怎实现类似瀑布流效果?就是当浏览到底部时加载剩余部分内容?
怎实现页面的异步加载?
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异步加载技术实现瀑布流效果,异步加载技术瀑布

Jun 13, 2016 am 09:25 AM
load accomplish bottom asynchronous technology Effect most flow scroll of

异步加载技术实现瀑布流效果,异步加载技术瀑布

异步加载技术实现瀑布流效果。当滚动条到最底部的时候触发一个事件,这个事件写入$.get()事件,向内部程序页传递类别id和页码,程序将会返回那个类别下的相对页的产品列表,如果程序查询当前类无产品即返回空。

滚动条事件要写在window.onscroll中才有效判断。如下:

window.onscroll=function(){<br />    
       // var scrolltop=document.documentElement.scrollTop||document.body.scrollTop;
        var tops =    $(document).scrollTop(); //获取滚动条的位置
        var sctop = $(document).height()-$(window).height();
        var id = $("#ajax_claid").val();
        if(!id){
             id=8;
        }
        $("#ajax_p").val(tops);
        if(tops>=sctop)//成立说明滚动条已在最底部
        {
            var b=$("#ajax_p").val();
            if(b>a){
                page=page+1;//传递页码
            }
            var Url = "aja_pro/"+id+"/"+page;//程序页面,查询信息返回数据,直接返回带html的信息。
        
            $.get(Url,function(data){
                $("#aja_jia").append(data);
            });
            
        }
    };
Copy after login

  

我的html页面过长,怎实现类似瀑布流效果?就是当浏览到底部时加载剩余部分内容?

①数据分成两部分,剩余部分放在一个JSON里,数据少的话可以放在js代码里。
②实现4列布局,建立几个ul作为页面起初的数据显示。
③通过判断最后一个li距离浏览器窗口的距离,触发函数将JSON中的数据以ul的形式遍历添加到页面中。
 

怎实现页面的异步加载?

说白了就是无刷新技术
jquery内库已经封装了ajax的效果 我们可以直接拿来用,.ajax .post .get .load
比如说一个点击方法
<script><br />$(function(){<br /> $("#id").click(function(){<br /> $.get("a.aspx",w:"abc",function(data){<br /> alert(data);<br /> });<br /> });<br />});<&#47;script><br/>  </script>

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