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Struts2表单基本验证

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QuizAction.java

package com;

import com.opensymphony.xwork2.ActionSupport;

public class QuizAction extends ActionSupport {
private static final long serialVersionUID = 3124124L;
private String name;
private int age;
private String password;

public String getPassword() {
return password;
}

public void setPassword(String password) {
this.password = password;
}

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
}

public int getAge() {
return age;
}

public void setAge(int age) {
this.age = age;
}

@Override
public String execute() throws Exception {
return SUCCESS;
}
}

QuizAction-validatio.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE validators PUBLIC "-//Apache Struts//XWork Validator 1.0.2//EN" "http://struts.apache.org/dtds/xwork-validator-1.0.2.dtd">

<validators>

<field name="name">
<field-validator type="requiredstring">
<message>name is required</message>
</field-validator>
</field>
<field name="age">
<field-validator type="int">
<param name="min">2</param>
<param name="max">10</param>
<message>between 2 and 10 </message>
</field-validator> </field>



<validator type="stringlength">
<param name="fieldName">password</param>
<param name="minLength">4</param>
<param name="maxLength">10</param>
<param name="trim">true</param>
<message>require between 4 and 10</message>
</validator>
</validators>struts.xml
<?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>
<package name="com" extends="struts-default">
<action name="validation" class="com.QuizAction">

<result name="input">/index.jsp</result>
<result name="success">/success.jsp</result>
</action>
</package>
</struts>

web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
<display-name>vvvvv</display-name>

<filter>
<filter-name>struts2</filter-name>
<filter-class> org.apache.struts2.dispatcher.FilterDispatcher </filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>

index.jsp
<%@ page language="java" pageEncoding="GB18030"%>
<%@taglib prefix="s" uri="/struts-tags"%>
<html>
<head>
<title>Validation - Basic</title>
<s:head/>
</head>

<body>

What is your favorite color?


<s:form action="validation" method="post">
<s:textfield label="Name" name="name"/>
<s:textfield label="Age" name="age"/>
<s:textfield label="password" name="password"/>
<s:submit/>
</s:form>
</body>
</html>

success.jsp
<%@ page language="java" pageEncoding="GB18030"%>
<%@taglib prefix="s" uri="/struts-tags"%>
<html>
<head>
<title>validation test</title>
</head>
<body>
Your name is :<s:property value="name"/> 
Your age is :<s:property value="age"/> 
Your age is :<s:property value="password" /> </body>
</html>

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