标签：todo validate exe char buffer turn ttext this home
1、下载登录页面download.jsp
1: <%@ page language="java" contentType="text/html; charset=UTF-8"2: pageEncoding="UTF-8"%>3: <%@ taglib prefix="s" uri="/struts-tags" %>4: <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">5: <html>6: <head>7: <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">8: <title>下载页面</title>9: </head>10: <body>11: 下载前的登录页面12: <s:form action="download1">13: <s:textfield name="user" label="用户名"/>14: <s:textfield name="pass" label="密 码"/>15: <s:submit value="下载"/>16: </s:form>17: </body>18: </html>
2、FileDownAction.java
1: package cc.openhome;2:3: import java.io.File;4: import java.io.FileInputStream;5: import java.io.InputStream;6: import com.opensymphony.xwork2.Action;7: import com.opensymphony.xwork2.ActionSupport;8: public class FileDownAction extends ActionSupport implements Action {9: private InputStream fileInputStream;10: private String fileName;11: private String user;12: private String pass;13:14: public String getUser() {15: return user;16: }17: public void setUser(String user) {18: this.user = user;19: }20: public String getPass() {21: return pass;22: }23: public void setPass(String pass) {24: this.pass = pass;25: }26: public InputStream getFileInputStream() {27: return fileInputStream;28: }29: public void setFileInputStream(InputStream fileInputStream) {30: this.fileInputStream = fileInputStream;31: }32: public String getFileName() {33: return fileName;34: }35: public void setFileName(String fileName) {36: this.fileName = fileName;37: }38: @Override39: public String execute() throws Exception {40: // TODO Auto-generated method stub41: if(getUser().equals("nihao") && getPass().equals("nihao")){42: File file = new File("E:/java web/workspace/struts-fileupload/WebContent/images/struts-gif.rar");43: fileName=file.getName();44: fileInputStream=new FileInputStream(file);45: return SUCCESS;46: }else{47: return ERROR;48: }49: }50: public void validate(){51: if(getUser()==null || getUser().trim().equals("")){52: addFieldError("user", getText("user.required"));53: }54: if(getPass()==null || getPass().trim().equals("")){55: addFieldError("pass", getText("pass.required"));56: }57: }58:59: }60:
3、struts.xml
1: <?xml version="1.0" encoding="UTF-8" ?>2: <!DOCTYPE struts PUBLIC3: "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"4: "http://struts.apache.org/dtds/struts-2.3.dtd">5:6: <struts>7: <constant name="struts.custom.i18n.resources" value="message"/>8: <package name="struts2" extends="struts-default">9: <action name="download1" class="cc.openhome.FileDownAction">10: <param name="inputPath">\images\struts-gif.rar</param>11: <result name="success" type="stream">12: <param name="contentType">application/octet-stream</param>13: <param name="inputName">fileInputStream</param>14: <param name="contentDisposition">acttachment;filename="${ fileName}"</param>15: <param name="bufferSize">4096</param>16: </result>17: <result name="input">/input.jsp</result>18: </action>19: </package>20: </struts>
4、运行结果
标签：todo validate exe char buffer turn ttext this home
原文地址：http://www.cnblogs.com/liuzhongfeng/p/6132133.html
