JS表格分页(封装版)

HTML代码：

<html>
<head>
    <meta charset='utf-8'>
<script type="text/javascript" src="script.js"></script>
 <style type="text/css">
    #idData {color: red;border: solid;text-align: center;}
    a{text-decoration: none;}
 </style>
</head>
<body>
    <table id="idData" width="70%">        
        <tr><td>测试编号1</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号2</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号3</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号4</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号5</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号6</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号7</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号8</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号9</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号10</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号11</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号12</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号13</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号14</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号15</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号16</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号17</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号18</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号19</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号20</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号21</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号22</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号23</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号24</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号25</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号26</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号27</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号28</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号29</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号30</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号31</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>        
        <tr><td>测试编号32</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号33</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号34</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号35</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号36</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>
        <tr><td>测试编号37</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>        
        <tr><td>测试编号38</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>        
        <tr><td>测试编号39</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>        
        <tr><td>测试编号40</td><td>25</td><td>单元格1</td><td>单元格2</td></tr>        
    </table>
    <table width="60%" align="right">
        <tr><td><div id="barcon" name="barcon"></div></td></tr>
    </table>
</body> 
</html>
<script type="text/javascript" language="javascript"> 
window.onload = function(){ 
    goPage(1,10);
}; 
</script>

script.js：

/**
 * 分页函数
 * pno--页数
 * psize--每页显示记录数
 * 分页部分是从真实数据行开始，因而存在加减某个常数，以确定真正的记录数
 * 纯js分页实质是数据行全部加载，通过是否显示属性完成分页功能
 **/
function goPage(pno,psize){
    var itable = document.getElementById("idData");
    var num = itable.rows.length;//表格所有行数(所有记录数)
    console.log(num);
    var totalPage = 0;//总页数
    var pageSize = psize;//每页显示行数
    //总共分几页 
    if(num/pageSize > parseInt(num/pageSize)){   
            totalPage=parseInt(num/pageSize)+1;   
       }else{   
           totalPage=parseInt(num/pageSize);   
       }   
    var currentPage = pno;//当前页数
    var startRow = (currentPage - 1) * pageSize+1;//开始显示的行  31 
       var endRow = currentPage * pageSize;//结束显示的行   40
       endRow = (endRow > num)? num : endRow;    40
       console.log(endRow);
       //遍历显示数据实现分页
    for(var i=1;i<(num+1);i++){    
        var irow = itable.rows[i-1];
        if(i>=startRow && i<=endRow){
            irow.style.display = "block";    
        }else{
            irow.style.display = "none";
        }
    }
    var pageEnd = document.getElementById("pageEnd");
    var tempStr = "共"+num+"条记录 分"+totalPage+"页 当前第"+currentPage+"页";
    if(currentPage>1){
        tempStr += "<a href=\"#\" onClick=\"goPage("+(1)+","+psize+")\">首页</a>";
        tempStr += "<a href=\"#\" onClick=\"goPage("+(currentPage-1)+","+psize+")\"><上一页</a>"
    }else{
        tempStr += "首页";
        tempStr += "<上一页";    
    }

    if(currentPage<totalPage){
        tempStr += "<a href=\"#\" onClick=\"goPage("+(currentPage+1)+","+psize+")\">下一页></a>";
        tempStr += "<a href=\"#\" onClick=\"goPage("+(totalPage)+","+psize+")\">尾页</a>";
    }else{
        tempStr += "下一页>";
        tempStr += "尾页";    
    }

    document.getElementById("barcon").innerHTML = tempStr;
    
}
posted @ 2018-02-08 14:40  Lucky锦  阅读(3462)  评论(0)  编辑  收藏  举报