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js实现对table的增加行和删除行的操作

时间:2016-07-21 19:24:45      阅读:136      评论:0      收藏:0      [点我收藏+]

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<!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>
</head>

<body>
<script type="text/javascript">
//添加方法
function addtr()
{
    //var trid=0;
    var tab=document.getElementByIdx_x("signFrame");
    //添加行
    var newTR = tab.insertRow(tab.rows.length);
 alert(tab.rows.length);
    //trid++;
   
    //获取序号=行索引
    var  xuhao=newTR.rowIndex.toString();
 alert(xuhao);
    newTR.id = "tr" + xuhao;
    //添加列:序号
    var newNameTD=newTR.insertCell(0);
    //添加列内容
    newNameTD.innerHTML = xuhao;
    //添加列:日期
    var newNameTD=newTR.insertCell(1);
    //添加列内容
    newNameTD.innerHTML = "<input name=‘time" + xuhao + "‘ id=‘time" + xuhao + " size=‘19‘ onmouseover=‘this.style.backgroundColor=#6298E1;this.style.color=#000000;‘ onmouseout=‘this.style.backgroundColor=#6298E1;this.style.color=#000000;‘ />";

    //添加列:方式
    var newEmailTD=newTR.insertCell(2);
    //添加列内容
    newEmailTD.innerHTML = "<select style=‘width:70px;‘ name=‘way" + xuhao + "‘ id=‘way" + xuhao + "‘><option  value=‘电话‘>电话</option><option value=‘QQ‘>QQ</option>   </select>";

    //添加列:备注
    var newTelTD=newTR.insertCell(3);
    //添加列内容
    newTelTD.innerHTML = "<input size=‘60‘ name=‘remark" + xuhao + "‘ id=‘remark" + xuhao + "‘ type=‘text‘  onclick=‘showid(this)‘ />";
       
    //添加列:删除按钮
    var newDeleteTD=newTR.insertCell(4);
    //添加列内容
    newDeleteTD.innerHTML = "<div align=‘center‘ style=‘width:40px‘><a href=‘javascript:;‘ onclick=\"deltr(‘tr" + xuhao + "‘)\">删除</a></div>";
       
}
</script>

<script type="text/javascript">
//删除其中一行
function deltr(trid)
{    //alert(trid);
    var tab=document.getElementByIdx_x("signFrame");
    var row=document.getElementByIdx_x(trid);   
    var index=row.rowIndex;//rowIndex属性为tr的索引值,从0开始  
    tab.deleteRow(index);  //从table中删除

    //重新排列序号,如果没有序号,这一步省略
    var nextid;
    for(i=index;i<tab.rows.length;i++){
        tab.rows[i].cells[0].innerHTML = i.toString();
        nextid=i+1;
        remark=document.getElementByIdx_x("remark"+nextid);
        remark.id="remark";
    }
}

</script>


<script type="text/javascript">
    function showid(txt)
    {alert(txt.id);
        }

</script>
<body>
<input type="button" value="保存" onclick="addtr()" />


<table border="1px" width="70%" id="signFrame">
    <tr id="trHeader">
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
    </tr>
    <tr id="trHeader">
        <td width="50px">序号</td>
        <td width="170px">时间</td>
        <td width="100px">方式</td>
        <td>备注</td>
        <td width="80px">操作</td>
    </tr>
    <tr id="trHeader">
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
    </tr>
    <tr id="trHeader">
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
    </tr>
    <tr id="trHeader">
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
    </tr>
    <tr id="trHeader">
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
    </tr>
</table>

 

</body>
</html>

js实现对table的增加行和删除行的操作

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原文地址:http://www.cnblogs.com/front-end-develop/p/5692684.html

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