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javascript实现json页面分页实例代码_javascript技巧

时间：2021-07-01 10:21:17 帮助过：8人阅读

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：

<!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":"\u9152\u6c34\u996e\u6599","
category1_intro":"\u6e05\u51c9\u53ef\u53e3\u7684\u9152\u6c34\u996e\u6599","category1_images":"http:\/\/
 
{"category1_id":"2","category1_name":"\u7c73\u9762\u7cae\u6cb9","category1_intro":"\u5bb6\u5ead\u5fc5\u5907",
"category1_images":"http:\/\/ 
{"category1_id":"3","category1_name":"\u7f8e\u5bb9\u6d17\u62a4","category1_intro":"\u62a4\u80a4\u5fc5\u5907",
"category1_images":"http:\/\/ 
{"category1_id":"4","category1_name":"\u6e05\u6d01\u6d17\u6da4",
"category1_intro":"\u7ed9\u60a8\u4e00\u4e2a\u5e72\u51c0\u7684\u751f\u6d3b\u73af\u5883","category1_images":"
http:\/\/ 
"category1_name":"\u751f\u6d3b\u7528\u54c1","category1_intro":"\u5bb6\u5ead\u5fc5\u5907",
"category1_images":"http:\/\/ 
{"category1_id":"6","category1_name":"\u4f11\u95f2\u98df\u54c1","category1_intro":"\u597d\u5403\u7f8e\u5473",
"category1_images":"http:\/\/ 
]};
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>

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javascript实现json页面分页实例代码_javascript技巧

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