struts2文件上传--亲测 

 1 upload.jsp
 2 <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
 3  <%@taglib uri="/struts-tags" prefix="s" %>
 4  <%
 5  String path = request.getContextPath();
 6  String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
 7  %>
 8  <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
 9  <html>
10    <head>
11      <base href="<%=basePath%>">
12      <title>index.jsp</title>
13      <meta http-equiv="pragma" content="no-cache">
14      <meta http-equiv="cache-control" content="no-cache">
15    </head>
16    <body>
17      <div>
18           <s:form action="Fileupload.action" method="Post" name="form" theme="simple" enctype="multipart/form-data">
19               <s:textfield label="文件标题" name="title">文件标题</s:textfield> <br/>
20               <s:file label="文件路径" name="upload">文件路径</s:file></br>
21               <s:submit label="保存" name="submit" value="保存"></s:submit>
22           </s:form>
23      </div>
24    </body>
25  </html>
26  
struts.xml
<action name="Fileupload" class="com.action.FileuploadAction">
                  <interceptor-ref name="fileUpload">
                      <param name="allowType">image/bmp,image/png,image/gif,image/jpeg,image/jpg/image/x-png,image/pjpeg</param>
                      <param name="maximumSize">10240000</param>
                  </interceptor-ref>
                  <interceptor-ref name="defaultStack" />
                 <result name="success">/showupload.jsp</result>
                     <param name="savePath">/upload</param>
                 <result name="input">/upload.jsp</result>
             </action>
  1 FileUploadAction.java
  2 
  3 package com.action;
  4  
  5  import java.io.BufferedInputStream;
  6  import java.io.BufferedOutputStream;
  7  import java.io.File;
  8  import java.io.FileInputStream;
  9  import java.io.FileOutputStream;
 10  import java.io.InputStream;
 11  import java.io.OutputStream;
 12  
 13  import org.apache.struts2.ServletActionContext;
 14  
 15  import com.opensymphony.xwork2.ActionSupport;
 16  
 17  public class FileuploadAction extends ActionSupport{
 18  
 19      private static final int BUFFER_SIZE = 16*1024;
 20      private String title;
 21      private File upload;  //上传文件域对象
 22      private String uploadFileName;  //上传文件名
 23      private String uploadContentType; //上传文件类型
 24      private String savePath;//保存文件的目录路径
 25      public String getTitle() {
 26          return title;
 27      }
 28      public void setTitle(String title) {
 29          this.title = title;
 30      }
 31      public File getUpload() {
 32          return upload;
 33      }
 34      public void setUpload(File upload) {
 35          this.upload = upload;
 36      }
 37      public String getUploadFileName() {
 38          return uploadFileName;
 39      }
 40      public void setUploadFileName(String uploadFileName) {
 41          this.uploadFileName = uploadFileName;
 42      }
 43      public String getUploadContentType() {
 44          return uploadContentType;
 45      }
 46      public void setUploadContentType(String uploadContentType) {
 47          this.uploadContentType = uploadContentType;
 48      }
 49      public String getSavePath() {
 50          return savePath;
 51      }
 52      public void setSavePath(String savePath) {
 53          this.savePath = savePath;
 54      }
 55      public static int getBufferSize() {
 56          return BUFFER_SIZE;
 57      }
 58      
 59      public String execute() throws Exception{
 60          //根据服务器的文件保存地址和原文件名，创建目录文件全路径
 61          String dstPath = ServletActionContext.getServletContext().getRealPath(this.getSavePath())+"\\"+ this.getUploadFileName();
 62          System.out.println("上传文件的类型=="+this.getUploadContentType());
 63          File dstFile = new File(dstPath);
 64          copy(this.upload,dstFile);
 65          
 66          return "success";
 67      }
 68      //文件拷贝方法
 69      public void copy(File src ,File dst){
 70          InputStream in = null;
 71          OutputStream out = null;
 72          try {
 73              in = new BufferedInputStream(new FileInputStream(src),BUFFER_SIZE);
 74              out = new BufferedOutputStream(new FileOutputStream(dst),BUFFER_SIZE);
 75              
 76              byte[] buffer =new byte[BUFFER_SIZE];
 77              int len = 0;
 78              while((len = in.read(buffer))>0){
 79                  out.write(buffer,0,len);
 80              }
 81          } catch (Exception e) {
 82              e.printStackTrace();
 83          }finally{
 84              if(null!=in){
 85                  try{
 86                      in.close();
 87                  }catch (Exception e) {
 88                      e.printStackTrace();
 89                  }
 90              }
 91              if(null!=out){
 92                  try{
 93                      out.close();
 94                  }catch (Exception e) {
 95                      e.printStackTrace();
 96                  }
 97              }
 98              
 99          }
100          
101      }
102      
103  }
104  
 1 showupload.jsp
 2 
 3 <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
 4  <%@taglib uri="/struts-tags" prefix="s" %>
 5  <%
 6  String path = request.getContextPath();
 7  String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
 8  %>
 9  <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
10  <html>
11    <head>
12      <base href="<%=basePath%>">
13      <title>index.jsp</title>
14      <meta http-equiv="pragma" content="no-cache">
15      <meta http-equiv="cache-control" content="no-cache">
16    </head>
17    <body>
18      <div>
19          <img alt="image" src='upload/<s:property value="uploadFileName"/>' />
20          <br/>
21          <s:property value="uploadFileName" />  
22      </div>
23    </body>
24  </html>
25
posted @ 2012-10-26 21:00  wellkingsen  阅读(128)  评论(0)    收藏  举报