一 视图
1 registForm.jsp
<%@ page contentType="text/html; charset=GBK" language="java" errorPage="" %>
<%@taglib prefix="s" uri="/struts-tags"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>请输入您的注册信息</title>
<s:head/>
</head>
<body>
<h2>请输入您的注册信息</h2>
<s:fielderror/>
<s:form action="regist">
<s:textfield name="name" label="用户名"/>
<s:textfield name="pass" label="密码"/>
<s:textfield name="age" label="年龄"/>
<s:textfield name="birth" label="生日"/>
<s:submit value="注册"/>
</s:form>
</body>
</html>
2 show.jsp
<%@ page contentType="text/html; charset=GBK" language="java" errorPage="" %>
<%@taglib prefix="s" uri="/struts-tags"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>校验成功</title>
</head>
<body>
<h3>校验成功</h3>
用户名:<s:property value="name"/><br/>
密码:<s:property value="pass"/><br/>
年龄:<s:property value="age"/><br/>
生日:<s:property value="birth"/><br/>
</body>
</html>
二 配置文件
<?xml version="1.0" encoding="GBK"?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
"http://struts.apache.org/dtds/struts-2.3.dtd">
<struts>
<constant name="struts.i18n.encoding" value="GBK"/>
<package name="lee" extends="struts-default">
<!-- 用户注册的Action -->
<action name="regist" class="org.crazyit.app.action.RegistAction">
<!-- 类型转换失败、输入校验失败,转入input对应的视图 -->
<result name="input">/WEB-INF/content/registForm.jsp</result>
<result>/WEB-INF/content/show.jsp</result>
</action>
<action name="*">
<result>/WEB-INF/content/{1}.jsp</result>
</action>
</package>
</struts>
三 action
package org.crazyit.app.action;
import com.opensymphony.xwork2.ActionSupport;
import java.util.Date;
public class RegistAction extends ActionSupport
{
// 定义4个成员变量封装请求参数
private String name;
private String pass;
private int age;
private Date birth;
// name的setter和getter方法
public void setName(String name)
{
this.name = name;
}
public String getName()
{
return this.name;
}
// pass的setter和getter方法
public void setPass(String pass)
{
this.pass = pass;
}
public String getPass()
{
return this.pass;
}
// age的setter和getter方法
public void setAge(int age)
{
this.age = age;
}
public int getAge()
{
return this.age;
}
// birth的setter和getter方法
public void setBirth(Date birth)
{
this.birth = birth;
}
public Date getBirth()
{
return this.birth;
}
}
四 校验文件
<?xml version="1.0" encoding="GBK"?>
<!-- 指定校验配置文件的DTD信息 -->
<!DOCTYPE validators PUBLIC
"-//Apache Struts//XWork Validator 1.0.3//EN"
"http://struts.apache.org/dtds/xwork-validator-1.0.3.dtd">
<!-- 校验文件的根元素 -->
<validators>
<!-- 校验Action的name属性 -->
<field name="name">
<!-- 指定name属性必须满足必填规则 -->
<field-validator type="requiredstring">
<param name="trim">true</param>
<message>必须输入名字</message>
</field-validator>
<!-- 指定name属性必须匹配正则表达式 -->
<field-validator type="regex">
<param name="regex"><![CDATA[(\w{4,25})]]></param>
<message>您输入的用户名只能是字母和数字
,且长度必须在4到25之间</message>
</field-validator>
</field>
<!-- 校验Action的pass属性 -->
<field name="pass">
<!-- 指定pass属性必须满足必填规则 -->
<field-validator type="requiredstring">
<param name="trim">true</param>
<message>必须输入密码</message>
</field-validator>
<!-- 指定pass属性必须满足匹配指定的正则表达式 -->
<field-validator type="regex">
<param name="regex"><![CDATA[(\w{4,25})]]></param>
<message>您输入的密码只能是字母和数字
,且长度必须在4到25之间</message>
</field-validator>
</field>
<!-- 指定age属性必须在指定范围内-->
<field name="age">
<field-validator type="int">
<param name="min">1</param>
<param name="max">150</param>
<message>年纪必须在1到150之间</message>
</field-validator>
</field>
<!-- 指定birth属性必须在指定范围内-->
<field name="birth">
<field-validator type="date">
<!-- 下面指定日期字符串时,必须使用本Locale的日期格式 -->
<param name="min">1900-01-01</param>
<param name="max">2050-02-21</param>
<message>生日必须在${min}到${max}之间</message>
</field-validator>
</field>
</validators>
五 测试