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POSending data from jsp to struts2 action class using Jquery Ajax
 

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  1. POSending data from jsp to struts2 action class using Jquery Ajax
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    <p>I need to pass the form data from jsp to struts2 using jquery Ajax and receive back a JSON data from Struts2 action class. I have given the code below. When i am passing the AJAX data ,</p> <pre><code>url:'search.action?searchText='+ $('searchValue').value+'&amp;environment='+$('environmentSelect').value </code></pre> <p>"undefined" is getting passed instead of the orijinal value from jsp to the action class.</p> <p>My JSP</p> <pre><code> &lt;div id="tab0"&gt; &lt;s:form action="search" method="post"&gt; &lt;table style="margin-left: auto; margin-right: auto"&gt; &lt;tr&gt; &lt;td&gt;Environment:&lt;/td&gt; &lt;td&gt;&lt;select id="environmentSelect" name="environment"&gt; &lt;option value="1"&gt;1&lt;/option&gt; &lt;option value="2"&gt;2&lt;/option&gt; &lt;option value="3"&gt;3&lt;/option&gt; &lt;/select&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt;Search Value:&lt;/td&gt; &lt;td&gt;&lt;input id="searchValue" name="searchText" type="text" /&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt;&lt;/td&gt; &lt;td&gt;&lt;button id="searchButton"&gt;Search&lt;/button&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; &lt;/s:form&gt; &lt;/div&gt; </code></pre> <p>My Ajax function is:</p> <pre><code>$("#searchButton").on("click",function(){ console.log("Inside Ajax call = "+ $('#tab0')); $.ajax({ type: 'POST', url:'search.action?searchText='+ $('searchValue').value+'&amp;environment='+$('environmentSelect').value, dataType: 'json', success: function(data){ console.log(stringify(data)); s=data.... } document.getElementById('displayLog').innerHTML=s; }); return false; }); </code></pre> <p>Struts.xml:</p> <pre><code> &lt;struts&gt; &lt;constant name="struts.enable.DynamicMethodInvocation" value="false" /&gt; &lt;constant name="struts.devMode" value="true" /&gt; &lt;constant name="struts.custom.i18n.resources" value="ApplicationResources" /&gt; &lt;constant name="struts.convention.default.parent.package" value="default"/&gt; &lt;constant name="struts.ui.theme" value="simple" /&gt; &lt;package name="default" extends="struts-default" namespace="/"&gt; &lt;action name="search" class="com.SearchAction" method="execute"&gt; &lt;result name="success"&gt;/jsp/dummy.jsp&lt;/result&gt; &lt;result name="error"&gt;/jsp/search.jsp&lt;/result&gt; &lt;/action&gt; &lt;/package&gt; &lt;/struts&gt; </code></pre> <p>Action Class:</p> <pre><code>public class SearchAction extends ActionSupport { /** * */ private static final long serialVersionUID = 1L; private String environment; private String searchText; public String getEnvironment() { return environment; } public void setEnvironment(String environment) { System.out.println("environment in setter new = "+ environment); this.environment = environment; } public String getSearchText() { return searchText; } public void setSearchText(String searchText) { System.out.println("searchText in setter = "+ searchText); this.searchText = searchText; } public String execute() { Map map1 = new Map(); if(environment !=null &amp;&amp; searchText != null){ map1= getMap(environment,searchText); return success; } else{ return "error"; } } } </code></pre> <p>I did not incorporate the JSON logic yet. Struck with the "undefined" part.</p>
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