Take a look at this (2.1 only): http://struts.apache.org/2.0.11.1/docs/ajax-validation.html
musachy On Sun, Jun 15, 2008 at 8:02 PM, Karr, David <[EMAIL PROTECTED]> wrote: > I have a simple page with validation that I got working with a > conventional submit and action. > > I'm now trying to explore doing an Ajax form submit, and getting a JSON > response. I'm using YUI on the client side. I'd like to see if I can > get similar data in the JSON response that I would in a normal submit, > for instance, with field errors. > > There are a couple points I could use some help with, not necessarily > related to Ajax or JSON. Please don't hesitate to tell me if I'm doing > something else wrong, or something I should be aware of. > > My first attempt actually did execute the Ajax request, and got the > response, but it wasn't JSON. The responseText was just the HTML of my > source JSP, which is also the value of my "input" result. I tried > setting up the JSON action without an "input" result, but it seemed to > complain if I didn't have that. I would have thought the "input" > parameter wouldn't be relevant in a Ajax/JSON action. If I filled in > all the required fields so it didn't result in any field errors, the > response was JSON, and it was reasonable (although setting > "wrapWithComments" didn't appear to have any effect). I guess there's > no automatic provision for reporting field errors in a JSON response, so > I guess I'll have to build something like that by hand? > > Note that I tried to enable the logging interceptor, but I didn't see > any output from it. > > I have a single action that I was intending to use to handle both the > ajax and non-ajax submit. I tried to make it use two different action > names in the form, but it seemed to have trouble with that. > > I noticed in the generated HTML, I had this in the HTML for the form > tag: > > onsubmit="return YAHOO.strutsform.submitform();; return true;" > > I'm not sure if that "return true;" will cause me trouble, as I'm trying > to bypass the normal form submission. I think by returning false from > "submitform", I achieved that, however. > > I'll include here the relevant files. Please comment where appropriate. > Thanks for your input. > ---form.jsp------------ > <%@ page language="java" contentType="text/html; charset=UTF-8" > pageEncoding="UTF-8"%> > <%@ taglib prefix="s" uri="/struts-tags" %> > <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" > "http://www.w3.org/TR/html4/loose.dtd";> > <html> > <head> > <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> > <title>Struts Form</title> > <link rel="stylesheet" > href="${pageContext.request.contextPath}/struts/css_xhtml/styles.css" > type="text/css"> > <link rel="stylesheet" type="text/css" > href="${pageContext.request.contextPath}/style/form.css"> > <!-- css --> > <link rel="stylesheet" type="text/css" > href="${pageContext.request.contextPath}/yui/reset-fonts-grids/reset-fon > ts-grids.css"> > <link rel="stylesheet" type="text/css" > href="${pageContext.request.contextPath}/yui/button/assets/skins/sam/but > ton.css"> > <link rel="stylesheet" type="text/css" > href="${pageContext.request.contextPath}/yui/logger/assets/skins/sam/log > ger.css"> > <!-- js --> > <script type="text/javascript" > src="${pageContext.request.contextPath}/yui/utilities/utilities.js"></sc > ript> > <script type="text/javascript" > src="${pageContext.request.contextPath}/yui/button/button-debug.js"></sc > ript> > <script type="text/javascript" > src="${pageContext.request.contextPath}/yui/json/json-debug.js"></script >> > <script type="text/javascript" > src="${pageContext.request.contextPath}/yui/logger/logger-debug.js"></sc > ript> > <script type="text/javascript" > src="${pageContext.request.contextPath}/scripts/strutsform.js"></script> > </head> > <body class="yui-skin-sam"> > <h4>Enter your data</h4> > <!-- onsubmit="return YAHOO.strutsform.submitform();" --> > <s:form id="form" action="Form" onsubmit="return > YAHOO.strutsform.submitform();"> > <s:textfield name="lastName" label="Last Name"/> > <s:textfield name="firstName" label="First Name"/> > <button id="formsubmit" type="submit">Submit</button> > </s:form> > <script type="text/javascript"> > YAHOO.util.Event.onDOMReady(YAHOO.strutsform.init); > </script > > </body> > </html> > --------------- > ---struts.xml------------ > <?xml version="1.0" encoding="UTF-8"?> > <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts > Configuration 2.0//EN" "struts-2.0.dtd" > > <struts> > <constant name="struts.devMode" value="true" /> > <package extends="struts-default" name="main" namespace="/main"> > <action name="main"> > <result>/form.jsp</result> > </action> > <action name="Form" class="com.wamu.strutsform.FormAction"> > <result name="input">/form.jsp</result> > <result>/form.jsp</result> > </action> > </package> > > <package extends="json-default" name="json" namespace="/json"> > <action name="Form" class="com.wamu.strutsform.FormAction" > method="jsonSubmit"> > <interceptor-ref name="logger"></interceptor-ref> > <interceptor-ref name="completeStack"></interceptor-ref> > <result type="json"> > <param name="wrapWithComments">true</param> > </result> > <result name="input">/form.jsp</result> > </action> > </package> > </struts> > --------------- > ---FormAction.java------------ > package com.wamu.strutsform; > import org.apache.commons.logging.Log; > import org.apache.commons.logging.LogFactory; > import com.opensymphony.xwork2.ActionSupport; > > public class FormAction extends ActionSupport > { > private static final Log logger = > LogFactory.getLog(FormAction.class); > > private String lastName; > private String firstName; > > public String getLastName() { return lastName; } > public String getFirstName() { return firstName; } > > public void setLastName(String lastName) > { this.lastName = lastName; } > public void setFirstName(String firstName) > { this.firstName = firstName; } > > public String execute() > { > logger.info("execute."); > return SUCCESS; > } > > public String jsonSubmit() > { > logger.info("jsonSubmit."); > return SUCCESS; > } > } > --------------- > ---strutsform.js------------ > /** > * @author u166705 > */ > YAHOO.namespace("strutsform"); > > YAHOO.widget.Logger.enableBrowserConsole(); > > var $E = YAHOO.util.Event; > var $D = YAHOO.util.Dom; > > YAHOO.strutsform.init = > function () > { > $E.onContentReady("formsubmit", function() > { > var submitButton = new YAHOO.widget.Button("formsubmit"); > }); > }; > > YAHOO.strutsform.submitform = > function() > { > var callback = > { > success: function(obj) > { > YAHOO.log("obj.responsetext[" + obj.responseText + "]"); > }, > failure: function(obj) > { > YAHOO.log("obj.responseText[" + obj.responseText + "]"); > } > }; > YAHOO.util.Connect.setForm(document.getElementById("form")); > YAHOO.util.Connect.asyncRequest("POST", > "/strutsform/json/Form.action", > callback, null); > return false; > }; > --------------- > > -- "Hey you! 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