好吧 我知道这么写很2 不过忙于项目 凑合用吧 等有空再整理下 大家要不想费脑子自己写 就直接拿去花 不过记得加载jquery哟   文件下载地址: http://down.51cto.com/data/254197  !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=gb2312" />
title>radion 验证title>
script type="text/javascript" src='jquery-1.6.js'>script>
script type="text/javascript" language="javascript">
function cc(){
for(var i = 1;ivar num = $(".r"+i).length;
var x = 0;
var bool = true;
for(var j=0;jvar aa = $(".r"+i+":eq("+j+"):checked").val();    
if(aa == null){
x++
}    
}
if(x == num){
alert("r"+i+"请选择");
bool = false;
break;
}    

}
if(bool){
//alert("ok");
$("#test").submit();
}
}
script>
link href="style.css" rel="stylesheet" type="text/css" />
head>
body>
form name="test" id="test" action="test.php">
input type="radio" name="sex" class="r1" value="男" />男    
input type="radio" name="sex" class="r1" value="女" />女    
br />    
input type="radio" name="list1" class="r2" value="十分满意" />十分满意    
input type="radio" name="list1" class="r2" value="满意" />满意    
input type="radio" name="list1" class="r2" value="不满意" />不满意    
input type="radio" name="list1" class="r2" value="非常差" />非常差    
br />

input type="radio" name="list2" class="r3" value="十分满意" />十分满意    
input type="radio" name="list2" class="r3" value="满意" />满意    
input type="radio" name="list2" class="r3" value="不满意" />不满意    
input type="radio" name="list2" class="r3" value="非常差" />非常差    
br />
input type="radio" name="list3" class="r4" value="十分满意" />十分满意    
input type="radio" name="list3" class="r4" value="满意" />满意    
input type="radio" name="list3" class="r4" value="不满意" />不满意    
input type="radio" name="list3" class="r4" value="非常差" />非常差    
br />
input type="radio" name="list4" class="r5" value="十分满意" />十分满意    
input type="radio" name="list4" class="r5" value="满意" />满意    
input type="radio" name="list4" class="r5" value="不满意" />不满意    
input type="radio" name="list4" class="r5" value="非常差" />非常差    
br />
input type="radio" name="list5" class="r6" value="十分满意" />十分满意    
input type="radio" name="list5" class="r6" value="满意" />满意    
input type="radio" name="list5" class="r6" value="不满意" />不满意    
input type="radio" name="list5" class="r6" value="非常差" />非常差    
br />
input id="sub " type="button" name="sub " value="提交" onclick="cc()">
form>

body>
html>
 下面是另一个仁兄写的 大家可以参考对比下  原文章地址: http://www.cnblogs.com/xcj1989/archive/2011/06/29/JQUERY_RADIO.html
 !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>JQuery radiotitle>    
script type="text/javascript" language="javascript" src="JavaScript/jquery-1.6.1.min.js" >script>    
script type="text/javascript" language="javascript">    
    
$(function(){    
$("#btnSubmit").click(function(){    
var val=$('input:radio[name="sex"]:checked').val();    
if(val==null){    
alert("什么也没选中!");    
return false;    
}    
else{    
alert(val);    
}    
var list= $('input:radio[name="list"]:checked').val();    
if(list==null){    
alert("请选中一个!");    
return false;    
}    
else{    
alert(list);    
}    
});    
});    
script>    
head>    

body>    
form id="form1" >    
input type="radio" name="sex" value="男" />男    
input type="radio" name="sex" value="女" />女    
br />    
input type="radio" name="list" value="十分满意" />十分满意    
input type="radio" name="list" value="满意" />满意    
input type="radio" name="list" value="不满意" />不满意    
input type="radio" name="list" value="非常差" />非常差    
br />    
input type="submit" value="submit" id="btnSubmit" />    
form>    
body>    
html>