<body>
<table>
<tr><td>list_code</td></tr>
<tr><td>200503090001</td></tr>
<tr><td>200503090002</td></tr>
<tr><td>200503090003</td></tr>
<tr><td>200503100001</td></tr>
<tr><td>200503100002</td></tr>
</table>
<input type=button value=get onclick='alert(get())'>
</body>
<script>
function get()
{
var trs=document.getElementsByTagName('tr');
var dt=gettime();
var regx=new RegExp(dt,'ig');
if(regx.test(trs[0].parentNode.innerText))
{
return parseFloat(trs[0].parentNode.innerText.substring(RegExp.lastIndex+4,RegExp.lastIndex+20))+1;
}
else
{
return dt+'0001';
}
}
function gettime()
{
var dt=new Date();
return dt.getYear().toString()+(dt.getMonth()+101).toString().substring(1,3)+(dt.getDate()+100).toString().substring(1,3);
}
</script>
<table>
<tr><td>list_code</td></tr>
<tr><td>200503090001</td></tr>
<tr><td>200503090002</td></tr>
<tr><td>200503090003</td></tr>
<tr><td>200503100001</td></tr>
<tr><td>200503100002</td></tr>
</table>
<input type=button value=get onclick='alert(get())'>
</body>
<script>
function get()
{
var trs=document.getElementsByTagName('tr');
var dt=gettime();
var regx=new RegExp(dt,'ig');
if(regx.test(trs[0].parentNode.innerText))
{
return parseFloat(trs[0].parentNode.innerText.substring(RegExp.lastIndex+4,RegExp.lastIndex+20))+1;
}
else
{
return dt+'0001';
}
}
function gettime()
{
var dt=new Date();
return dt.getYear().toString()+(dt.getMonth()+101).toString().substring(1,3)+(dt.getDate()+100).toString().substring(1,3);
}
</script>
比如说
200503110002
他的下一条记录不会出来....................而是出现nan
<body>
<table>
<tr><td>list_code</td></tr>
<tr><td>200503090001</td></tr>
<tr><td>200503090002</td></tr>
<tr><td>200503090003</td></tr>
<tr><td>200503100001</td></tr>
<tr><td>200503100002</td></tr>
<tr><td>200503100003</td></tr>
<tr><td>200503110002</td></tr>
</table>
<input type=button value=get onclick='alert(get())'>
</body>
<script>
function get()
{
var trs=document.getElementsByTagName('tr');
var dt=gettime();
var regx=new RegExp(dt,'ig');
var str=trs[0].parentNode.innerText.replace(/\r\n/g,'');
if(regx.test(str))
{
return parseFloat(str.substring(str.lastIndexOf(dt)))+1;
}
else
{
return dt+'0001';
}
}
function gettime()
{
var dt=new Date();
return dt.getYear().toString()+(dt.getMonth()+101).toString().substring(1,3)+(dt.getDate()+100).toString().substring(1,3);
}
</script>