Struts国际化和动态表单校验
struts大家应该都非常熟悉了,怎么搭建struts工程应该都比较清楚,就不仔细说了,主要是上传一些关键程序的部分代码,以此为例,大家如果有用得到的,那是最好了,共免!!
struts-config.xml文件:
<struts-config>
<data-sources />
<form-beans >
<form-bean name="LoginDynaValidatorForm" type="org.apache.struts.validator.DynaValidatorForm">
<form-property name="username" type="java.lang.String" />
<form-property name="password" type="java.lang.String" />
</form-bean>
</form-beans>
<global-exceptions />
<global-forwards >
<forward name="success" path="/success.jsp" redirect="true"/>
<forward name="failure" path="/failure.jsp" redirect="true"/>
</global-forwards>
<action-mappings >
<action path="/LoginAction" input="/login.jsp" type="com.sw.util.action.LoginAction" name="LoginDynaValidatorForm" validate="true" scope="request">
</action>
</action-mappings>
<message-resources parameter="com.sw.util.ApplicationResources" />
<plug-in className="org.apache.struts.validator.ValidatorPlugIn">
<set-property value="/WEB-INF/validator-rules.xml,/WEB-INF/validation.xml" property="pathnames"/>
</plug-in>
</struts-config>
web.xml文件
<web-app xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="2.4" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<servlet>
<servlet-name>action</servlet-name>
<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
<init-param>
<param-name>config</param-name>
<param-value>/WEB-INF/struts-config.xml</param-value>
</init-param>
<init-param>
<param-name>debug</param-name>
<param-value>3</param-value>
</init-param>
<init-param>
<param-name>detail</param-name>
<param-value>3</param-value>
</init-param>
<load-on-startup>0</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>action</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<filter>
<filter-name>Set Character Encoding</filter-name>
<filter-class>com.sw.util.setCharacterEncodingFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>Set Character Encoding</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<welcome-file-list>
<welcome-file>login.jsp</welcome-file>
</welcome-file-list>
</web-app>
validation.xml文件
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE form-validation PUBLIC "-//Apache Software Foundation//DTD Commons Validator Rules Configuration 1.0//EN" "http://jakarta.apache.org/commons/dtds/validator_1_0.dtd">
<form-validation>
<global>
</global>
<formset>
<form name="LoginDynaValidatorForm">
<field property="username"
depends="required,maxlength,minlength">
<arg0 key="用户名" resource="false"/>
<var>
<var-name>minlength</var-name>
<var-value>1</var-value>
</var>
<var>
<var-name>maxlength</var-name>
<var-value>32</var-value>
</var>
<arg1 name="minlength" key="${var:minlength}" resource="false"/>
<arg1 name="maxlength" key="${var:maxlength}" resource="false"/>
</field>
</form>
</formset>
</form-validation>
login.jsp文件(其中有很多图片按钮)
<%@ page contentType="text/html; charset=UTF-8" errorPage="/errorPage.jsp"%>
<%@ include file="/header.jsp"%>
<html>
<head>
<title><bean:message key="prompt.homepage.title" /></title>
</head>
<body>
<html:form action="/LoginAction" styleId="aForm" method="post" onsubmit=" return validateLoginDynaValidatorForm(this);" >
<table width="640" height="502" border="0" align="center"
cellpadding="0" cellspacing="0" background="image/zbgl.JPG">
<tr>
<td style="padding-left:228pt">
<br />
<br />
<br />
<br />
<br />
<br />
<table width="297" height="179" border="0" cellpadding="0"
cellspacing="0">
<tr>
<td colspan="2">
<div align="center">
<img src="image/login.gif" width="99" height="23" />
</div>
</td>
</tr>
<tr>
<td width="104">
<div align="center">
<img src="image/login2.gif" width="46" height="17" />
</div>
</td>
<td width="193">
<html:text property="username" style="width:150px;" size="16" />
</td>
</tr>
<tr>
<td>
<div align="center">
<img src="image/login3.gif" width="49" height="17">
</div>
</td>
<td>
<html:password property="password" redisplay="fasle"
style="width:150px;" size="26"
onkeydown="if(window.event.keyCode==13){login();}" />
</td>
</tr>
<tr>
<td colspan="2">
<div align="center">
<html:image property="Image9" border="0" src="image/login4.gif" />
</div>
</td>
</tr>
</table>
</td>
</tr>
</table>
</html:form>
</body>
</html>
<html:javascript formName="LoginDynaValidatorForm" />
<script language="javascript">
function login(){
check();
var a = document.aForm.username.value ;
alert(a);
document.aForm.submit();
}
function messsage(){
var a = document.aForm.username.value ;
alert(a);
return ;
}
function check(){
var username = document.aForm.username.value ;
if(username == null || username.length == 0){
alert("用户名不能为空!");
document.aForm.username.focus();
return false ;
}
var password = document.aForm.password.value ;
if(password == null || password.length == 0){
alert("密码不能为空!");
document.aForm.password.focus();
return false ;
}
}
</script>
LoginAction文件
package com.sw.util.action;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.validator.DynaValidatorForm;
/**
* MyEclipse Struts
* Creation date: 05-29-2007
*
* XDoclet definition:
* @struts.action path="/login" name="loginForm" input="/form/login.jsp" scope="request" validate="true"
*/
public class LoginAction extends Action {
/*
* Generated Methods
*/
/**
* Method execute
* @param mapping
* @param form
* @param request
* @param response
* @return ActionForward
*/
public ActionForward execute(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
DynaValidatorForm LoginForm = (DynaValidatorForm) form;// TODO Auto-generated method stub
String username = (String)LoginForm.get("username");
String password = (String)LoginForm.get("password");
ActionErrors er = new ActionErrors();
if ("sw".equals(username) && "sw".equals(password)) {
return mapping.findForward("success");
}else{
return mapping.findForward("failure");
}
}
}
过滤器setCharacterEncodingFilter 文件
package com.sw.util;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
public class setCharacterEncodingFilter implements Filter {
public void destroy() {
}
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
request.setCharacterEncoding("UTF-8");
chain.doFilter(request,response);
}
public void init(FilterConfig arg0) throws ServletException {
}
}
至于资源文件,可以去网上找些教程,都有说明.
我的资源文件转换的命令为:
native2ascii -encoding UTF-8 ApplicationResources_tmp.properties ApplicationResources_zh_CN.properties
pause