<html> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 
<title>全選</title> 
</head> 
<body> 
<div>demo 
<input type="button" onclick="alert(ob.checkedIds());" value="選中ID"/> 
<input type="button" onclick="alert(ob.checkedTexts());" value="選中值"/> 
<input type="button" onclick="alert(ob.checkedKeys('value1'));" value="選中屬性值"/> 
</div> 
<table class="infor"> 
<tr> 
<th><input name="allcheck" id="allcheck1" type="checkbox" value="1"/> 
全選</th> 
</tr><tr> 
<td><input name="record" type="checkbox" value="1" value1="11"/>去 
</td></tr><tr> 
<td><input name="record" type="checkbox" value="2" value1="22"/>啊 
</td></tr><tr> 
<td><input name="record" type="checkbox" value="3" value1="33"/>我 
</td></tr><tr> 
<td><input name="record" type="checkbox" value="4" value1="44"/>餓 
</td></tr> 
</table> 
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script> 
<script type="text/javascript" > 
//http://www.cnblogs.com/libsource 
(function($){ 
$.allcheck=function(options){ 
_defaults = { 
allcheckid:"allcheck", 
checkboxname:'record' 
}; 
o = $.extend(_defaults,options); 
_allck=$("#"+o.allcheckid); 
_tbl=_allck.parents("table"); 
//返回所有選中checkbox的id集合 
checkedIds=function () { 
var ids = ""; 
$("input[name=" + o.checkboxname + "]").each(function() { 
if ($(this).attr("checked")) 
ids += $(this).val() + ","; 
}); 
return ids.replace(/,$/,''); 
} 
//返回所有選中checkbox的key屬性集合 
checkedKeys=function (key) { 
var ids = ""; 
$("input[name=" + o.checkboxname + "]").each(function() { 
if ($(this).attr("checked")) 
ids += $(this).attr(key) + ","; 
}); 
return ids.replace(/,$/,''); 
} 
//返回所有選中checkbox的文本集合 
checkedTexts=function () { 
var txts = ""; 
$("input[name=" + o.checkboxname + "]").each(function() { 
if ($(this).attr("checked")) 
txts += gtrim($(this).parent().text()) + ","; 
}); 
return txts.replace(/,$/,''); 
} 
gtrim=function (txt) { 
return txt.replace(/(^\s*)|(\s*$)/g, ""); 
} 
//設(shè)置所有選中checkbox的id集合 
setCheckedIds=function (checkids) { 
checkids = ","+checkids+","; 
$("input[name=" + o.checkboxname + "]").each(function() { 
if (checkids.match(","+$(this).val()+",")) 
$(this).attr("checked","checked"); 
}); 
} 
//檢查所有checkbox是否全選 
_checkAll=function () { 
if (this.checked && $("input:checkbox:not([checked]):not(#" + o.allcheckid + ")", _tbl).length == 0) 
_allck[0].checked = true; 
else 
_allck[0].checked = false; 
} 

//全選checkbox狀態(tài) 
_setAllChecked=function () { 
if (!this.checked) 
$("input:checkbox", _tbl).removeAttr("checked"); 
else 
$("input:checkbox", _tbl).not(this).attr("checked", "checked"); 
} 
_allck.click(_setAllChecked); 
$("input:checkbox[name="+o.checkboxname+"]").each(function(){$(this).click(_checkAll);}); 
return {checkedIds:checkedIds,checkedKeys:checkedKeys,checkedTexts:checkedTexts,setCheckedIds:setCheckedIds}; 
}; 
})(jQuery); 
</script> 
<script type="text/javascript"> 
var ob=$.allcheck({allcheckid:'allcheck1'}); 
//設(shè)置選項(xiàng)allcheckid checkboxname 
//取返回值可以調(diào)用checkedIds,checkedKeys,checkedTexts 
</script> 
</body> 
</html>