2011级-csdn-java-张侃—struts2文件下传异常信息国际化的处理（案例）
2011级-****-java-张侃—struts2文件上传错误信息国际化的处理（案例）
index.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib uri="/struts-tags" prefix="s"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://"
+ request.getServerName() + ":" + request.getServerPort()
+ path + "/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'index.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
<form
action="${pageContext.request.contextPath}/****/UploadAction_upload.action"
method="post" enctype="multipart/form-data">
上传文件:
<input type="file" name="upload">
<br />
<input type="submit" value="上传" />
</form>
错误信息:
<br />
<s:fielderror></s:fielderror>
</body>
</html>
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</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>
struts.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
"http://struts.apache.org/dtds/struts-2.3.dtd">
<struts>
<!-- 常量的配置 -->
<include file="struts-constant.xml"/>
<package name="user" namespace="/****" extends="struts-default">
<global-results>
<result name="input">/index.jsp</result>
</global-results>
<action name="UploadAction_*" class="www.****.international_upload.action.UploadAction" method="{1}">
<interceptor-ref name="fileUpload">
<!-- 设置文件上传的类型：Tomcat/conf/web.xml文件 就有文件的类型的名称 -->
<param name="allowedTypes">image/jpeg,image/pjpeg,application/octet-stream,application/x-zip-compressed</param>
<param name="maximumSize">5242880</param>
</interceptor-ref>
<!-- 默认的拦截器栈 -->
<interceptor-ref name="defaultStack"/>
<result name="success">/index.jsp</result>
</action>
</package>
</struts>
struts-constant.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
"http://struts.apache.org/dtds/struts-2.3.dtd">
<struts>
<!-- 常量的配置 -->
<!-- struts2的后缀 -->
<constant name="struts.action.extension" value="action"/>
<!-- 编码方式 -->
<constant name="struts.i18n.encoding" value="UTF-8"/>
<!-- 浏览器静态缓存最好处于关闭状态 -->
<constant name="struts.serve.static.browserCache" value="false"/>
<!-- struts.xml文件当被修改后 重新加载，开发阶段最好打开 -->
<constant name="struts.configuration.xml.reload" value="true"/>
<!-- 处于开发阶段 最好把开发模式打开 会打印更多的详细错误信息 -->
<constant name="struts.devMode" value="true"/>
<!-- 设置临时保存的路径 -->
<constant name="struts.multipart.saveDir" value="c:\\day\\"/>
<!-- 设置文件上传的大小 ,这个值必须大于等于拦截器中的值 -->
<constant name="struts.multipart.maxSize" value="5242880"/>
<!-- 国际化资源文件的基本名称 -->
<constant name="struts.custom.i18n.resources" value="****"/>
</struts>
UploadAction.java
package www.****.international_upload.action;
import java.io.File;
import java.io.IOException;
import javax.servlet.ServletContext;
import org.apache.commons.io.FileUtils;
import org.apache.struts2.ServletActionContext;
import org.apache.struts2.interceptor.FileUploadInterceptor;
import com.opensymphony.xwork2.ActionSupport;
public class UploadAction extends ActionSupport {
private File file;
private String contentType;
private String filename;
public void setUpload(File file) {
this.file = file;
}
public void setUploadContentType(String contentType) {
this.contentType = contentType;
}
public void setUploadFileName(String filename) {
this.filename = filename;
}
public String upload() {
String path = ServletActionContext.getServletContext().getRealPath(
"WEB-INF/uploads");
File pfile = new File(path);
if (!pfile.exists()) {
pfile.mkdirs();
}
try {
FileUtils.copyFile(file, new File(pfile, System.currentTimeMillis()
+ "_" + filename));
return SUCCESS;
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return INPUT;
}
}
两个配置文件：
运行结果界面：