jQuery表格自动增加
<!DOCTYPE html><html dir="ltr" lang="zh-CN"><head><meta charset="UTF-8" /><meta name="viewport" content="width=device-width" /><title>jQuery 表格自动增加</title><meta name="keywords" content="jQuery, 表格, table, 自动增加" /><meta name="description" content="jQuery表格自动增加" /><meta name="viewport" content="width=device-width" /><meta name="copyright" content="imsole.net" /><meta name="designer" content="sole" /><meta name="publisher" content="imsole.net" /><meta name="author" content="sole" /><meta name="robots" content="all" /><meta name="distribution" content="global" /><style type="text/css">table { width:800px; margin:50px auto; border-collapse:collapse; border-spacing:0; }table tr, table th, table td { border:1px solid #ddd; font-size:12px; }table tr td:first-child { width:30px; text-align:center; }table td input { width:100%; height:100%; padding:5px 0; border:0 none; }table td input:focus { box-shadow:1px 1px 3px #ddd inset; outline:none; }</style><body> <table id="count"><tr><th>序号</th><th>姓名</th><th>金额[USD]</th><th>时间</th><th>项目</th><th>单位</th><th>备注</th></tr><tr><td>1</td><td><input type="text" /></td><td><input type="text" /></td><td><input type="text" /></td><td><input type="text" /></td><td><input type="text" /></td><td><input type="text" /></td></tr></table><script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js" type="text/javascript"></script><script type="text/javascript">$(function(){/*这是一种方法，但是不精简，不过很好理解，就像面向过程编写代码一样。var oTable = $("#count"), oTr = '', oInput = '', eEle = '';oTable.on('mouseover', function(){oTr = oTable.find('tr').last();oInput = oTr.find('input');eEle = oTr.clone();oInput.on('click', function(){var parent = $(this).parents('tr');if(oTr.index() == parent.index()){oTable.append(eEle);}});});*///这是第二种方法，比较精简，要看对jQ的理解了。var oTable = $("#count"), iNum = 1, eEle = '';oTable.on('click', function(e){var target = e.target,oTr = $(target).closest('tr');if(oTr.index() == oTable.find('tr').last().index()){ iNum++;eEle = oTr.clone();eEle.find('td').eq(0).text(iNum);}oTable.append(eEle); });});</script> </body></html>