javascript实现json页面分页实例代码

下午有个朋友问json 数据怎么分页就捣鼓了一个东东出来

下面直接代码：
复制代码代码如下:
<！DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script>
var a={"code":1,"list":[{"category1_id":"1","category1_name":"u9152u6c34u996eu6599","category1_intro":"u6e05u51c9u53efu53e3u7684u9152u6c34u996eu6599","category1_images":"http://www.songcuomen.com/attachments/productType/2014-01/10/21_1389343628.jpg"},{"category1_id":"2","category1_name":"u7c73u9762u7caeu6cb9","category1_intro":"u5bb6u5eadu5fc5u5907","category1_images":"http://www.songcuomen.com/attachments/productType/2014-01/10/21_1389343865.jpg"},{"category1_id":"3","category1_name":"u7f8eu5bb9u6d17u62a4","category1_intro":"u62a4u80a4u5fc5u5907","category1_images":"http://www.songcuomen.com/attachments/productType/2014-01/10/21_1389343935.jpg"},{"category1_id":"4","category1_name":"u6e05u6d01u6d17u6da4","category1_intro":"u7ed9u60a8u4e00u4e2au5e72u51c0u7684u751fu6d3bu73afu5883","category1_images":"http://www.songcuomen.com/attachments/productType/2014-01/10/21_1389343986.jpg"},{"category1_id":"5","category1_name":"u751fu6d3bu7528u54c1","category1_intro":"u5bb6u5eadu5fc5u5907","category1_images":"http://www.songcuomen.com/attachments/productType/2014-01/10/21_1389344445.jpg"},{"category1_id":"6","category1_name":"u4f11u95f2u98dfu54c1","category1_intro":"u597du5403u7f8eu5473","category1_images":"http://www.songcuomen.com/attachments/productType/2014-01/10/21_1389344494.jpg"}]};
var y=1;//表示页数
var t=2;//表示每页现实几条数据
var z=a["list"].length;
var zy= Math.ceil（z/t）;
window.onload=function （）{
fanye（0）;
}
function fanye（f）
{
    if（y==1 && f==-1）
    {
        alert（"已经是第一页了"）;
        f=0;
        }
    if（y==zy && f==1）
    {
        alert（"已经是最后一页了"）;
        f=0;
        }

     var otbod=document.getElementById（"table"）.tBodies[0];
     var s=otbod.rows.length;
    for（i=0;i<s;i++）
    {

        otbod.removeChild（otbod.rows[0]）;
    }
        y+=f;
       var q=（y-1）*2;//页数-1 乘以每页现实多少条结果为本页从第几条开始
       for（var i=1;i<3;i++）
    {

    var otr=document.createElement（"tr"）;
    var otd1=document.createElement（"td"）;
    var otd2=document.createElement（"td"）;
    var otd3=document.createElement（"td"）;
    var otd4=document.createElement（"td"）;
    otd1.innerHTML=a["list"][q]["category1_id"];
    otd2.innerHTML=a["list"][q]["category1_name"];
    otd3.innerHTML=a["list"][q]["category1_intro"];
    otd4.innerHTML=a["list"][q]["category1_images"];
    otr.appendChild（otd1）;
    otr.appendChild（otd2）;
    otr.appendChild（otd3）;
    otr.appendChild（otd4）;
     otbod.appendChild（otr）;
     if（q==zy）
     {
         break;
         }
    q++;
    }
}
</script>

</head>

<body>

<table border="1" id="table">
<thead>
<tr><td>category1_id</td><td>category1_name</td><td>category1_intro</td><td>category1_images</td></tr>
</thead>
<tbody>

</tbody>
</table>
<a href="javascript:fanye（1）;">下一页</a>
<a href="javascript:fanye（-1）;">上一页</a>
</body>
</html>