...
| Code Block |
|---|
|
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<include file="struts-default.xml" />
<package name="tutorialactions" extends="struts-default">
<action name="HelloWorld" class="tutorial.HelloWorld">
<result name="success">/tutorial/HelloWorld.jsp</result>
</action>
<action name="HelloName" class="tutorial.HelloName">
<result name="success">HelloName>/HelloName-success.jsp</result>
<result name="error">HelloName-error.jsp<html</result>
</action>
</package>
</struts>
|
Create the success and error pages
...
| Code Block |
|---|
| html |
|---|
| html |
|---|
| title | HelloName-error.html |
|---|
|
<html>
<head>
<title>Error Page</title>
</head>
<body>
<p>
Hmmm, you did not enter a name. Please try again!
</p>
</body>
</html>
|
Try it!
...
Let's use the same HTML form, but change the form Action to HelloName2.action:
| Code Block |
|---|
| html |
|---|
| html |
|---|
| title | HelloNameHelloName2.html |
|---|
|
<html>
<head>
<title>A simple form with data</title>
</head>
<body>
<p>What is your name?</p>
<form action="HelloName2.action" method="post">
<p><input type="text" name="name"></p>
<p><input type="submit" value="Submit your name." /></p>
</form>
</body>
</html>
|
Create the Action class
| Code Block |
|---|
| java |
|---|
| java |
|---|
| title | HelloName2.java |
|---|
|
package tutorial;
package tutorial;
import com.opensymphony.xwork2.ActionSupport;
import org.apache.struts2.interceptor.ParameterAware;
import java.util.Map;
public class HelloName2 extends ActionSupport implements ParameterAware {
public String execute() {
String[] name = (String[]) parameters.get("name");
if (name == null || name[0] == null || name[0].length() == 0)
return ERROR;
else
return SUCCESS;
}
Map parameters;
public Map getParameters() {
return parameters;
}
public void setParameters(Map parameters) {
this.parameters = parameters;
}
}
|
...
| Code Block |
|---|
|
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<include file="struts-default.xml"/>
<package name="tutorialactions" extends="struts-default">
<action name="HelloWorldHelloName" class="tutorial.HelloWorldHelloName">
<result name="success">/tutorial/HelloWorld.jsp</result>
</action>
<action name="HelloName" class="tutorial.HelloName">
<result name="success">HelloName-success.jsp</result>
<result name="error">HelloName-error.html</result>
</action>
<action name="HelloName2" class="tutorial.HelloName2">
<result name="success">HelloName2-success.jsp</result>
<result name="error">HelloName-error.html</result>
</action>
</package>
</struts>
|
Create the success and error pages
We can use the same error page, but we'll need a slightly different success page HelloName2-success.jsp. The only difference is the <s:property> tag.
| Code Block |
|---|
| html |
|---|
| html |
|---|
| title | HelloName2-success.jspl |
|---|
|
<%@ taglib uriprefix="/tagss" prefixuri="s/tags" %>
<html>
<head>
<title>Success Page - Without Using Getters and Setters</title>
</head>
<body>
<p>
Hello, <s:property value="parameters.name"/>!
</p>
</body>
</html>
|
...
