国际化校验——struts的资源包验证信息不能取出问题

最新推荐文章于 2024-09-15 18:15:03 发布

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本文描述了在使用Struts进行国际化校验时遇到资源包验证信息无法取出的问题，通过分析代码和错误日志，指出问题可能出在获取message资源上，并展示了解决方案。

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今天遇到一个问题，struts中的资源包验证信息取不出来，不知道怎么回事，还请大家帮帮忙

register.jsp

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

<%@ page isELIgnored="false"%>

<%@ taglib uri="/struts-tags" prefix="s"%>



<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>



	<body>

		<s:text name="infoText"></s:text>

		<s:property value="% { getText('infoText')}"/>

		<br />

		<s:text name="infoTextParam">

			<s:param>我是参数1</s:param>

			<s:param>我是参数2</s:param>

		</s:text>

		<br />

		<s:form action="register" method="post">

			账号：<s:textfield name="username"></s:textfield>${errors.username[0]}

			<br/>

			密码：<s:textfield name="password"></s:textfield>${errors.password[0]} 

			<br/>

			年龄：<s:textfield name="age"></s:textfield>${errors.age[0]} 

			<br/>

			身高：<s:textfield name="height"></s:textfield>${errors.height[0]}

			<br/>

			测试：${errors.infoTextParamValueFromAction[0]}

			<br/>

			<s:submit value="提交"></s:submit>

		</s:form>

	</body>

</html>

Register.java代码

package controller;



import java.util.ArrayList;

import java.util.List;



import com.opensymphony.xwork2.ActionSupport;







public class Register extends ActionSupport{

	

	private String username;

	

	private String password;

	

	private Integer age;

	

	private Double height;

	



	public String getUsername() {

		return username;

	}



	public void setUsername(String username) {

		this.username = username;

	}



	public String getPassword() {

		return password;

	}



	public void setPassword(String password) {

		this.password = password;

	}



	public Integer getAge() {

		return age;

	}



	public void setAge(Integer age) {

		this.age = age;

	}



	public Double getHeight() {

		return height;

	}



	public void setHeight(Double height) {

		this.height = height;

	}

	

	

	@Override

	public void validate(){

		

		List paramText = new ArrayList();

		

		if("".equals(username)){

			this.addFieldError("username", this.getText("username_null"));

		}

		

		if("".equals(password)){

			this.addFieldError("password", this.getText("password_null"));

		}

		

		if(age==null || age>=100 || age<0){

			this.addFieldError("age", this.getText("age_wrong"));

		}

		

		if(height==null || height<0 || height>3){

			this.addFieldError("height", this.getText("height_wrong"));

		}

		System.out.println("username_null:"+this.getText("username_null"));

		paramText.add("第一个参数");

		paramText.add("第二个参数");

		

		this.addFieldError("infoTextParamValueFromAction", this.getText(

				"infoTextParamValueFromAction",paramText));

		



	}

	

	

	public String execute(){

		

		System.out.println("执行execute()方法");

		

		return "register";

	}

}

struts.xml代码

<?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="ghyStruts1" extends="struts-default">

		<action name="register" class="controller.Register">

			<result name="register">showregister.jsp</result>

			<result name="input">register.jsp</result>

		</action>



	</package>



	<constant name="struts.ui.theme" value="simple"></constant>

	<constant name="struts.custom.i18n.resources" value="info"></constant>

</struts>

info_en_US.properties

username_null=username is null ,please input!

password_null=password is null,please input!

age_wrong=age wrong,must 0-100

height_wrong=height wrong,must 0-3

infoText=info_en_US.properties Text!

infoTextParam=info_en_US.properties Text has Paramete,param 0 value:{0},param 1 value: {1}

infoTextParamValueFromAction=infoTextParamValueFromAction param 0 value :{0},param 1 value\:{1}

错误信息：

2013-7-1 3:31:23 com.opensymphony.xwork2.util.logging.commons.CommonsLogger warn
警告: The first TextProvider in the ValueStack (controller.Register) could not locate the message resource with key 'infoText'
2013-7-1 3:31:23 com.opensymphony.xwork2.util.logging.commons.CommonsLogger warn
警告: The default value expression 'infoText' was evaluated and did not match a property. The literal value 'infoText' will be used.
2013-7-1 3:31:23 com.opensymphony.xwork2.util.logging.commons.CommonsLogger warn
警告: The first TextProvider in the ValueStack (controller.Register) could not locate the message resource with key 'infoTextParam'
2013-7-1 3:31:23 com.opensymphony.xwork2.util.logging.commons.CommonsLogger warn
警告: The default value expression 'infoTextParam' was evaluated and did not match a property. The literal value 'infoTextParam' will be used.

执行结果：