function comboChange() {
var options = {
success : showInitResponse,
url : "/path/test.action",
contentType : "application/x-www-form-urlencoded;charset=UTF-8",
type : "post", /* get, post */
dataType : "html" /* xml, html, script, json */
};
$('#INIT').ajaxSubmit(options);
}
// post-submit callback
function showInitResponse(responseText, statusText) {
//submit후 작업부분
document.getElementById('result').innerHTML = responseText;
}
<s:form name="INIT" action="INIT" theme="simple" method="post">
<s:select id="apiId" name="apiId" list="#{'INBO01':'INBO01', 'INTC02':'INTC02'}" onchange="javascript:comboChange();"></s:select>
</s:form>
<div id="result"/>