全选与反选的script代码:
<script language="javascript">
function checkEvent(name,allCheckId) //name为checkbook名,allCheckID为检测
{
var allCk=document.getElementById(allCheckId);//得到allCheckID的对象
if(allCk.checked==true)
checkAll(name); //全选
else
checkAllNo(name);//全不选
}
//全选
function checkAll(name)
{
var names=document.getElementsByName(name);
var len=names.length;
if(len>0)
{
var i=0;
for(i=0;i<len;i++)
names[i].checked=true;
}
}
//全不选
function checkAllNo(name)
{
var names=document.getElementsByName(name);
var len=names.length;
if(len>0)
{
var i=0;
for(i=0;i<len;i++)
names[i].checked=false;
}
}
//反选
function reserveCheck(name)
{
var names=document.getElementsByName(name);
var len=names.length;
if(len>0)
{
var i=0;
for(i=0;i<len;i++)
{
if(names[i].checked)
names[i].checked=false;
else
names[i].checked=true;
}
}
}
</script>
jsp代码:
<html:multibox property="delIdArray" styleClass="noborder" name="student"><bean:write name="student" property="id"/></html:multibox>
<input type="checkbox" id="ckall" onclick="checkEvent('delIdArray','ckall')" />全选
<input type="checkbox" id="ckReserve" onclick="reserveCheck('delIdArray','ckReserve')" />反选
看好了delIdArray所代表的东西