Have you tried to use firebug or some http proxy or sniffer to check the
reponse sent to the browser?
2014-10-28 20:50 GMT-04:00 john lee <sh_thorn_b...@yahoo.com.invalid>:
> After click the button, the value of partid is passed to action
> class, and see the output '123' from the console. the assigned value of
> dummymesg is displayed on the console as well.
> but the dummymesg never return to front javascript. looks like success
> or error function call never be called,
> please advise
> thanks in advance
>
>
>
> Cart.jsp
> <script type="text/javascript">$(function() {
> $("#deleteButton").click(function(){
> $.ajax({
> type: "POST",
> url: "cart-del!del.action",
> data: {'partid':'123'},
> dataType:"json",
> success: function(json){
> console.log("return success");
> var obj = $.parseJSON(json);
> alert("dummey mesg="+obj.dummymesg);
> return false;
> },
> error: function(json){
> console.log("return error = "+json);
> alert("json=" + json);
> return false;
> }
> });
> });
> });</script><button id="deleteButton">delete</button>
>
> struts.xml<package name="default" extends="json-default"> ...
> <action name="cart-del" class="CartAction" method="del">
> <result name="json-data" type="json"></result>
>
> </action>
> </package>
> CartAction.java
> public class CartAction extends ActionSupport {
> private String partid;
> public void setPartid(String partid) { this.partid=partid.trim(); }
> public String getPartid() { return partid; }
>
> public void setDummymesg(String dummymesg) {
> this.dummymesg=dummymesg; }
> public String getDummymesg() { return dummymesg; }
> public String del() throws Exception {
> dummymesg="struts function reached";
> System.out.println("cart-del, partid="+partid+"\n");
> System.out.println("cart-del, dummymesg="+dummymesg+"\n");
> return "json-data";
> }
> }
