有没有人尝试过实现 Struts2-jQuery 示例?
例如,我可以在下面的链接中进行设置,但页面中没有填充任何值
http://struts.jgeppert.com/struts2-jquery-showcase/index.action
并且控制台中没有显示错误无法猜测问题是什么?
选择列表.jsp
<%@ taglib prefix="sx" uri="/struts-dojo-tags" %>
<%@ taglib prefix="sj" uri="/struts-jquery-tags" %>
<%@ taglib prefix="s" uri="/struts-tags"%>
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!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=ISO-8859-1">
<title>Home</title>
</head>
<body>
Reload example with two select boxes.
<s:form id="formSelectReload" action="echo" theme="simple" cssClass="yform">
<fieldset>
<legend>AJAX Form</legend>
<div class="type-text">
<label for="language">Language: </label>
<s:url id="remoteurl" action="jsonsample"/>
<sj:select
href="%{remoteurl}"
id="language"
onChangeTopics="reloadsecondlist"
name="language"
list="languageObjList"
listKey="myKey"
listValue="myValue"
emptyOption="true"
headerKey="-1"
headerValue="Please Select a Language"
/>
</div>
<div class="type-text">
<label for="echo">Framework: </label>
<s:url id="remoteurl" action="jsonsample"/>
<sj:select
href="%{remoteurl}"
id="selectWithReloadTopic"
formIds="formSelectReload"
reloadTopics="reloadsecondlist"
name="echo"
list="reloadList"
emptyOption="true"
headerKey="-1"
headerValue="Please Select a Framework"
/>
</div>
<div class="type-button">
<sj:submit
id="submitFormSelectReload"
targets="result"
value="AJAX Submit"
indicator="indicator"
button="true"
/>
<img id="indicator"
src="images/indicator.gif"
alt="Loading..."
style="display:none"
/>
</div>
</fieldset>
</s:form>
<br/>
Reload example with one select box and an buttonset.
<s:form id="formSelectCheckBox" action="echo" theme="xhtml">
<s:url id="remoteurl" action="jsonsample"/>
<sj:select
href="%{remoteurl}"
id="languageSelect"
onChangeTopics="reloadcheckboxes"
name="language"
list="languageObjList"
listKey="myKey"
listValue="myValue"
emptyOption="true"
headerKey="-1"
headerValue="Please Select a Language"
label="Language"
required="true"
/>
<s:url id="remoteurl" action="jsonsample"/>
<sj:checkboxlist
href="%{remoteurl}"
id="frameworkCheckboxes"
formIds="formSelectCheckBox"
reloadTopics="reloadcheckboxes"
name="echo"
list="reloadList"
label="Framework"
required="true"
onChangeTopics="submitCheckboxForm"
/>
<sj:submit
id="submitFormSelectCheckBox"
listenTopics="submitCheckboxForm"
targets="result"
value="AJAX Submit"
indicator="indicator2"
cssStyle="display : none;"
/>
</s:form>
<img id="indicator2"
src="images/indicator.gif"
alt="Loading..."
style="display:none"
/>
<strong>Result Div :</strong>
</body>
</html>
动作类:
package showcase;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts2.convention.annotation.*;
import org.apache.struts2.convention.annotation.Action;
import org.apache.struts2.convention.annotation.Actions;
import org.apache.struts2.convention.annotation.ParentPackage;
import com.opensymphony.xwork2.ActionSupport;
@ParentPackage(value = "showcase")
public class JsonSample extends ActionSupport {
private static final long serialVersionUID = -2223948287805083119L;
private static final Log log = LogFactory.getLog(JsonSample.class);
private List<String> languageList;
private List<ListValue> languageObjList;
private Map<String, String> languageMap;
private List<String> reloadList;
private String language;
@Actions( {
@Action(value = "/jsonsample", results = {
@Result(name = "success", type = "json" , location="/web/SelectList.jsp")
})
})
public String execute()
{
log.info("build json lists language : " + language);
languageList = new ArrayList<String>();
languageObjList = new ArrayList<ListValue>();
languageMap = new HashMap<String, String>();
languageList.add("Java");
languageList.add("PHP");
languageList.add("C#");
languageMap.put("J", "Java");
languageMap.put("P", "PHP");
languageMap.put("C", "C#");
languageObjList.add(new ListValue("J", "Java"));
languageObjList.add(new ListValue("P", "PHP"));
languageObjList.add(new ListValue("C", "C#"));
reloadList = new ArrayList<String>();
if (language != null && language.equalsIgnoreCase("J"))
{
reloadList.add("Struts2");
reloadList.add("MyFaces");
reloadList.add("Tapestry");
}
else if (language != null && language.equalsIgnoreCase("P"))
{
reloadList.add("CakePHP");
reloadList.add("Symfony");
reloadList.add("Zend");
}
else if (language != null && language.equalsIgnoreCase("C"))
{
reloadList.add("NStruts");
reloadList.add("ProMesh.NET");
reloadList.add("Websharp");
}
return SUCCESS;
}
public String getJSON()
{
return execute();
}
public List<String> getLanguageList()
{
return languageList;
}
public Map<String, String> getLanguageMap()
{
return languageMap;
}
public List<ListValue> getLanguageObjList()
{
return languageObjList;
}
public List<String> getReloadList()
{
return reloadList;
}
public void setLanguage(String language)
{
this.language = language;
}
}