<!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> <title></title> </head> <body> <script src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.8.0.js" type="text/javascript"> </script> <script> $(document).ready(function () { var xsChk = 'px';//定义的样式 var xsChkAll = "input[type='checkbox'][class='" + xsChk + "'][name]";//所有定义此样式的checkbox $(xsChkAll).each(function () { var name = $(this).prop("name"); name = "input[type='checkbox'][class!='" + xsChk + "'][name='" + name + "']";//此全选框下面的子checkbox $(this).on('click', function () { $(name).prop("checked", $(this)[0].checked); }) var xschk = $(this); $(name).on('click', function () { var IAll = $(name).length; //此子项目下所有checkbox的个数 var IChk = $(name + ":checked").length; //此子项目下所有勾选checkbox的个数 var isAllChecked = true; //是否是全选 if (IAll != IChk) { isAllChecked = false; } $(xschk).prop("checked", isAllChecked); }); }); }); </script> <legend>全选one</legend> <input type="checkbox" class="xsChk" name="chk" /> 全選 <input type="checkbox" name="chk" /> 1<br /> <input type="checkbox" name="chk" /> 2<br /> <input type="checkbox" name="chk" /> 3<br /> <input type="checkbox" name="chk" /> 4<br /> <legend>全选two</legend> <input type="checkbox" class="xsChk" name="chk1" /> 全選2 <input type="checkbox" name="chk1" /> 11<br /> <input type="checkbox" name="chk1" /> 22<br /> <input type="checkbox" name="chk1" /> 33<br /> <input type="checkbox" name="chk1" /> 44<br /> </body> </html>
本文修改于博客园里一个案例，现在找不到这遍文章的地址，特此说明！