单选按钮
<td>
<s:radio name="autoCheck
" list="#{'1':'是','0':'否'}" value="'0'" οnclick="hide()"></s:radio>
</td>
span标签
<td>
<span id="checkPeriodSpan
" style="display:none">
<s:textfield id="checkPeriod" name="checkPeriod" ></s:textfield>
</span>
</td>
根据单选按钮选中的值去判断是否隐藏span标签
<script type="text/javascript">
function hide(){
var flag="";
var obj =document.getElementsByName
('autoCheck');
for (i=0;i<obj.length;i++){
if(obj[i].checked
){
flag=obj[i].value;
}
}
if(flag==0){
document.getElementById("checkPeriodSpan").style.display="none";
document.getElementById("checkPeriod").value = "";
}else {
document.getElementById("checkPeriodSpan").style.display="inline";
}
}
</script>