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Struts 验证 Struts2 表单
(1)配置文件Struts.xml<?xml version="1.0" encoding="UTF-8" ?><!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" ""><struts> <package name="com" namespace="/" extends="struts-default"> <action name="User" class="com.lyh.struts2.User"> <result name="success">/result.jsp</result> <result name="input">/index.jsp</result> </action> </package></struts>(2)User Action类package com.lyh.struts2;import com.opensymphony.xwork2.ActionSupport;import java.util.*;public class User extends ActionSupport { private String userName; //用户名 private String password; //密码 private String name; //名字 private String sex; //性别 private int age; //年龄 private Date birthday; //生日 private String email; //电邮 private String mainPage; //个人主页 private String country; //所在国家 private String description; //描述 private List<String> sports = new ArrayList<String>(); //喜欢的运动 public String execute() throws Exception { System.out.println("Age=" + getAge()); System.out.println("Birthday" + birthday); sports = getSports(); for (String sport : sports) { System.out.println(sport); } if ((sex == null) || sex.equals("")) { addFieldError("sex", "sex is not null"); return INPUT; } return SUCCESS;}―――get/set方法}(3)验证规则文件User-validation.xml<!DOCTYPE validators PUBLIC "-//OpenSymphony Group//XWork Validator 1.0.2//EN" ""><validators>
<field name="userName"> <field-validator type="requiredstring"> <message key="requiredstring"/> </field-validator> <field-validator type="stringlength"> <param name="fieldName">userName</param> <param name="minLength">6</param> <param name="maxLength">10</param> <param name="trim">true</param> <message key="stringlengthmessage"/> </field-validator> <field-validator type="regex"> <param name="fieldName">userName</param> <param name="expression">[A-Za-z0-9]+</param> <message key="regexmessage"/> </field-validator> </field> <field name="name"> <field-validator type="requiredstring"> <message key="requiredstring"/> </field-validator> <field-validator type="regex"> <param name="fieldName">name</param> <param name="expression">[a-zA-Z]+</param> <message key="nameregexmessage"/> </field-validator> </field> <field name="age"> <field-validator type="int"> <param name="min">1</param> <param name="max">120</param> <message key="agemessage"/> </field-validator> </field> <field name="email"> <field-validator type="email"> <param name="fieldName">email</param> <message key="emailmessage"/> </field-validator> </field> <validator type="url"> <param name="fieldName">mainPage</param> <message key="mainpagemessage"/> </validator> <field name="birthday"> <field-validator type="date"> <param name="min">1980-01-01</param> <param name="max">2007-07-29</param> <message key="birthdaymessage"/> </field-validator> </field></validators>（4）package.properties属性文件requiredstring=This field is required!stringlengthmessage=userName must be between ${minLength}and${maxLength} needs tobe 6-8 characters long !
regexmessage=The userName must be character and number!nameregexmessage=name must be all character!agemessage=Age must be in range ${min} and ${max}emailmessage=Must provide a valid email!mainpagemessage=Invalid homepage urlbirthdaymessage=Birthday must be within ${min} and ${max}(5)index.jsp页面<%@ page contentType="text/html;charset=UTF-8" language="java"%><%@ taglib prefix="s" uri="/struts-tags"%><html> <head> <title>Struts2 Validation Application!</title> <s:head theme="ajax" /> </head> <body> This is a Validate Application! <hr> <s:fielderror /> <s:form action="User.action" method="POST"> <s:textfield key="userName" label="UserName" /> <br> <s:password key="password" label="Password" /> <s:textfield key="name" label="Name" /> <s:radio label="Sex" list="{'Male','Female'}" key="sex" /> <s:textfield label="Age" key="age" value="18" /> <s:checkboxlist list="{'football','basketball','pingpang'}" label="Sports" key="sports" /> <s:textfield label="Email" key="email" value="" /> <s:textfield label="Main Page" key="mainPage" value="http://" /> <s:datetimepicker key="birthday" label="Birthday" toggleType="explode"toggleDuration="500" value="2007-08-29" />
<s:select list="{'China','American','Japenese'}" label="SelectCountry" headerKey="1" headerValue="-- Please Select --" key="country" />
<s:textarea key="description" label="Description" rows="8" cols="20" /> <s:submit /> <s:reset form now... Press OK to continue!');" /> </s:form> <hr> This Example from<a href="> </body></html>（6）result.jsp<%@ page contentType="text/html;charset=UTF-8" language="java" %><%@ taglib prefix="s" uri="/struts-tags" %><html><head> <title> Simple jsp page </title></head><body><center><h7><b>This is Result!</b></h7></center><br><center> userName:<s:property value="userName"/> <br> Password:<s:property value="password"/> <br> Sex:<s:property value="sex"/> <br> Name:<s:property value="name"/> <br> Age:<s:property value="age"/> <br> Sports:<s:property value="sports"/> <br> Birthday:<s:property value="birthday"/> <br> Country:<s:property value="country"/> <br> Email:<s:property value="email"/> <br> MainPage:<s:property value="mainPage"/> <br> Description:<s:property value="description"/> <br></center></body></html>(7)web.xml<?xml version="1.0" encoding="UTF-8"?><web-app xmlns="" xmlns:xsi="" xsi:schemaLocation=" " version="2.5"> <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>转载地址：http://ohici.baihongyu.com/