.struts2上传文件

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struts2上传文件

java2011-03-11 23:00:50 阅读18评论0 字号：大中小订阅

jsp文件
Java代码
<%@ page contentType="text/html; charset=UTF-8" %>
<%@ taglib prefix="s" uri="/struts-tags" %>
<html>
<head>
    <title>Struts2 File Upload</title>
</head>
<body>
<s:text name=""></s:text>
    <form action="fileUpload.action" method="POST" enctype="multipart/form-data">


        文件标题：<input type="text" name="title" size="50"/><br/>
        选择文件：<input type="file" name="upload" size="50"/><br/>
        选择文件：<input type="file" name="upload" size="50"/><br/>
        选择文件：<input type="file" name="upload" size="50"/><br/>
       <input type="submit" value=" 上传 "/>
    </form>
</body>
</html>

<%@ page contentType="text/html; charset=UTF-8" %>  <%@ taglib prefix="s" uri="/struts-tags" %>  <html>  <head>      <title>Struts2 File Upload</title>  </head>  <body>    <s:text name=""></s:text>      <form action="fileUpload.action" method="POST" enctype="multipart/form-data">                  文件标题：<input type="text" name="title" size="50"/><br/>          选择文件：<input type="file" name="upload" size="50"/><br/>          选择文件：<input type="file" name="upload" size="50"/><br/>          选择文件：<input type="file" name="upload" size="50"/><br/>         <input type="submit" value=" 上传 "/>              </form>  </body>  </html>

baseAction文件
Java代码

//pizza
package com.trendcom.upload.action;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.struts2.ServletActionContext;

import com.opensymphony.xwork2.ActionSupport;

public class BaseAction extends ActionSupport {

public HttpServletRequest getRequest(){
return ServletActionContext.getRequest();
}

public HttpServletResponse getResponse(){
return ServletActionContext.getResponse();
}

public HttpSession getSession(){
return getRequest().getSession();
}

public ServletContext getServletContext(){
return ServletActionContext.getServletContext();
}

public String getRealyPath(String path){
return getServletContext().getRealPath(path);
}
}

//pizza

package com.trendcom.upload.action;

import javax.servlet.ServletContext;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import javax.servlet.http.HttpSession;

import org.apache.struts2.ServletActionContext;

import com.opensymphony.xwork2.ActionSupport;

 public class BaseAction extends ActionSupport {

 public HttpServletRequest getRequest(){

return ServletActionContext.getRequest();

public HttpServletResponse getResponse(){

return ServletActionContext.getResponse();

public HttpSession getSession(){

return getRequest().getSession();

public ServletContext getServletContext(){

return ServletActionContext.getServletContext();

public String getRealyPath(String path){

 return getServletContext().getRealPath(path);

action文件
Java代码

package com.trendcom.upload.action;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;

public class UploadFileAction extends BaseAction {
    private static final int BUFFER_SIZE=16*1024;
    // 文件标题
    private String title;
    // 用File数组来封装多个上传文件域对象
    private File[] upload;
    // 用String数组来封装多个上传文件名
    private String[] uploadFileName;
    // 用String数组来封装多个上传文件类型
    private String[] uploadContentType;
    // 保存文件的目录路径(通过依赖注入)
    private String savePath;
    //以下为所有属性的getter和setter。省略。。。
    // 自己封装的一个把源文件对象复制成目标文件对象
    private static boolean  copy(File src, File dst) {
        boolean result=false;
        InputStream in = null;
        OutputStream out = null;
        try {
            in = new BufferedInputStream(new FileInputStream(src), BUFFER_SIZE);
            out = new BufferedOutputStream(new FileOutputStream(dst),
                    BUFFER_SIZE);
            byte[] buffer = new byte[BUFFER_SIZE];
            int len = 0;
            while ((len = in.read(buffer)) > 0) {
                out.write(buffer, 0, len);
            }
            result=true;
        } catch (Exception e) {
            e.printStackTrace();
            result=false;
        } finally {
            if (null != in) {
                try {
                    in.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (null != out) {
                try {
                    out.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return result;
    }
    @Override
    public String execute() throws Exception {
        File[] srcFiles = this.getUpload();
        List<String> successFileList=new ArrayList<String>();
        // 处理每个要上传的文件
        for (int i = 0; i < srcFiles.length; i++) {
            // 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
            String dstPath = getRealyPath(getSavePath())
                    + "//" + this.getUploadFileName()[i];
            File dstFile = new File(dstPath);
            if(copy(srcFiles[i], dstFile)){
                  successFileList.add(getUploadFileName()[i]);
            }
        }
        getRequest().setAttribute("successFileList", successFileList);
        return SUCCESS;
    }

    public String getTitle() {
        return title;
    }
    public void setTitle(String title) {
        this.title = title;
    }
    public File[] getUpload() {
        return upload;
    }
    public void setUpload(File[] upload) {
        this.upload = upload;
    }
    public String[] getUploadFileName() {
        return uploadFileName;
    }
    public void setUploadFileName(String[] uploadFileName) {
        this.uploadFileName = uploadFileName;
    }
    public String[] getUploadContentType() {
        return uploadContentType;
    }
    public void setUploadContentType(String[] uploadContentType) {
        this.uploadContentType = uploadContentType;
    }
    public String getSavePath() {
        return savePath;
    }
    public void setSavePath(String savePath) {
        this.savePath = savePath;
    }
}

package com.trendcom.upload.action;    import java.io.BufferedInputStream;  import java.io.BufferedOutputStream;  import java.io.File;  import java.io.FileInputStream;  import java.io.FileOutputStream;  import java.io.IOException;  import java.io.InputStream;  import java.io.OutputStream;  import java.util.ArrayList;  import java.util.List;    public class UploadFileAction extends BaseAction {   private static final int BUFFER_SIZE=16*1024;      // 文件标题      private String title;      // 用File数组来封装多个上传文件域对象      private File[] upload;      // 用String数组来封装多个上传文件名      private String[] uploadFileName;      // 用String数组来封装多个上传文件类型      private String[] uploadContentType;      // 保存文件的目录路径(通过依赖注入)      private String savePath;      //以下为所有属性的getter和setter。省略。。。      // 自己封装的一个把源文件对象复制成目标文件对象      private static boolean  copy(File src, File dst) {       boolean result=false;          InputStream in = null;          OutputStream out = null;          try {              in = new BufferedInputStream(new FileInputStream(src), BUFFER_SIZE);              out = new BufferedOutputStream(new FileOutputStream(dst),                      BUFFER_SIZE);              byte[] buffer = new byte[BUFFER_SIZE];              int len = 0;              while ((len = in.read(buffer)) > 0) {                  out.write(buffer, 0, len);              }              result=true;          } catch (Exception e) {              e.printStackTrace();              result=false;          } finally {              if (null != in) {                  try {                      in.close();                  } catch (IOException e) {                      e.printStackTrace();                  }              }              if (null != out) {                  try {                      out.close();                  } catch (IOException e) {                      e.printStackTrace();                  }              }          }          return result;      }      @Override      public String execute() throws Exception {          File[] srcFiles = this.getUpload();          List<String> successFileList=new ArrayList<String>();          // 处理每个要上传的文件          for (int i = 0; i < srcFiles.length; i++) {              // 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              String dstPath = getRealyPath(getSavePath())                      + "//" + this.getUploadFileName()[i];              File dstFile = new File(dstPath);              if(copy(srcFiles[i], dstFile)){                 successFileList.add(getUploadFileName()[i]);              }          }          getRequest().setAttribute("successFileList", successFileList);          return SUCCESS;      }         public String getTitle() {    return title;   }   public void setTitle(String title) {    this.title = title;   }   public File[] getUpload() {    return upload;   }   public void setUpload(File[] upload) {    this.upload = upload;   }   public String[] getUploadFileName() {    return uploadFileName;   }   public void setUploadFileName(String[] uploadFileName) {    this.uploadFileName = uploadFileName;   }   public String[] getUploadContentType() {    return uploadContentType;   }   public void setUploadContentType(String[] uploadContentType) {    this.uploadContentType = uploadContentType;   }   public String getSavePath() {    return savePath;   }   public void setSavePath(String savePath) {    this.savePath = savePath;   }  }

配置文件
Java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="com.trendcom.upload.action" extends="struts-default">
        <action name="fileUpload"  class="com.trendcom.upload.action.UploadFileAction">
            <interceptor-ref name="fileUpload">
              
              <param name="allowedTypes">
    　　　　　　image/bmp,image/png,image/gif,image/jpeg,image/jpg,image/x-png, image/pjpeg
              </param>
              
              <param name="maximumSize">102400</param>
           </interceptor-ref>
           <interceptor-ref name="defaultStack" />
            
            <param name="savePath">/upload</param>
               <result name="input">/index.jsp</result>
            <result name="success">/success.jsp</result>
        </action>
    </package>
</struts>

<?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="com.trendcom.upload.action" extends="struts-default">          <action name="fileUpload"  class="com.trendcom.upload.action.UploadFileAction">              <interceptor-ref name="fileUpload">                <!-- 配置允许上传的文件类型，多个用","分隔 -->                <param name="allowedTypes">      　　　　　　image/bmp,image/png,image/gif,image/jpeg,image/jpg,image/x-png, image/pjpeg                </param>                <!-- 配置允许上传的文件大小，单位字节 -->                <param name="maximumSize">102400</param>             </interceptor-ref>             <interceptor-ref name="defaultStack" />              <!-- 动态设置Action中的savePath属性的值 -->              <param name="savePath">/upload</param>                 <result name="input">/index.jsp</result>              <result name="success">/success.jsp</result>          </action>      </package>  </struts>

所需lib包括(struts2基本包就不在这里列出来)
Java代码

commons-fileupload-1[1].2.jar
commons-io-1.4.jar

commons-fileupload-1[1].2.jar  commons-io-1.4.jar

上传类型.当中可能有些是旧的如果想查看struts2中的上传类型可以下载本文的附件.
FileUploadInterceptor
把FileUploadInterceptor.class代替struts2包中类后,就会在控制台中输出所上传的文件是什么类型
Java代码

Description of Data Content Typical Filename Extensions


MIME type/subtype

Text and Text-Related Types
HTML text data (RFC 1866) html htm    text/html
Plain text: documents; program listings txt c c++ pl cc h   text/plain
Richtext (obsolete - replaced by text/enriched)      text/richtext
Structure enhanced text  (etx?)    text/x-setext
Enriched text markup (RFC 1896)     text/enriched
Tab-separated values (tabular) (tsv?)    text/tab-separated-values
SGML documents (RFC 1874)     text/sgml
Speech synthesis data (MVP Solutions)  talk   text/x-speech

Document Stylesheet Types
Cascading Stylesheets  css    text/css
DSSSL-online stylesheets     application/dsssl (proposed)

Image Types
GIF  gif   image/gif
X-Windows bitmap (b/w)  xbm    image/x-xbitmap
X-Windows pixelmap (8-bit color)  xpm    image/x-xpixmap
Portable Network Graphics png    image/x-png
Image Exchange Format (RFC 1314) ief    image/ief
JPEG  jpeg jpg jpe   image/jpeg
TIFF  tiff tif   image/tiff
RGB  rgb   image/rgb
      image/x-rgb
Group III Fax (RFC 1494) g3f    image/g3fax
X Windowdump format xwd   image/x-xwindowdump
Macintosh PICT format pict    image/x-pict
PPM (UNIX PPM package) ppm    image/x-portable-pixmap
PGM (UNIX PPM package) pgm    image/x-portable-graymap
PBM (UNIX PPM package) pbm    image/x-portable-bitmap
PNM (UNIX PPM package) pnm    image/x-portable-anymap
Microsoft Windows bitmap  bmp    image/x-ms-bmp
CMU raster  ras   image/x-cmu-raster
Kodak Photo-CD  pcd   image/x-photo-cd
Computer Graphics Metafile  cgm    image/cgm
North Am. Presentation Layer Protocol     image/naplps
CALS Type 1 or 2 mil cal    image/x-cals
Fractal Image Format (Iterated Systems)  fif   image/fif
QuickSilver active image (Micrografx)  dsf   image/x-mgx-dsf
CMX vector image (Corel) cmx    image/x-cmx
Wavelet-compressed (Summus) wi    image/wavelet
AutoCad Drawing (SoftSource) dwg    image/vnd.dwg
      image/x-dwg
AutoCad DXF file (SoftSource) dxf    image/vnd.dxf
      image/x-dxf
Simple Vector Format (SoftSource) svf   image/vnd.svf
      also vector/x-svf

Audio/Voice/Music Related Types
"basic"audio - 8-bit u-law PCM au snd   audio/basic
Macintosh audio format (AIpple) aif aiff aifc    audio/x-aiff
Microsoft audio  wav    audio/x-wav
MPEG audio  mpa abs mpega    audio/x-mpeg
MPEG-2 audio mp2a mpa2    audio/x-mpeg-2
compressed speech (Echo Speech Corp.)  es   audio/echospeech
Toolvox speech audio (Voxware) vox    audio/voxware
RapidTransit compressed audio (Fast Man)  lcc   application/fastman
Realaudio (Progressive Networks) ra ram   application/x-pn-realaudio
NIFF music notation data format     application/vnd.music-niff
MIDI music data  mmid   x-music/x-midi
Koan music data (SSeyo) skp    application/vnd.koan
      application/x-koan
Speech synthesis data (MVP Solutions)  talk   text/x-speech

Video Types
MPEG video mpeg mpg mpe   video/mpeg
MPEG-2 video mpv2 mp2v   video/mpeg-2
Macintosh Quicktime qt mov    video/quicktime
Microsoft video  avi   video/x-msvideo
SGI Movie format movie   video/x-sgi-movie
VDOlive streaming video (VDOnet) vdo   video/vdo
Vivo streaming video (Vivo software)  viv   video/vnd.vivo
      video/vivo
Special HTTP/Web Application Types
Proxy autoconfiguration (Netscape browsers)  pac   application/x-ns-proxy-autoconfig
See Chapter 6     application/x-www-form-urlencoded
See Chapter 9     application/x-www-local-exec
See Chapter 9 (Netscape extension)     multipart/x-mixed-replace
See Chapter 9 and Appendix B     multipart/form-data
Netscape Cooltalk chat data (Netscape)  ice   x-conference/x-cooltalk
Interactive chat (Ichat)     application/x-chat

Application Types

Text-Related
PostScript  ai eps ps   application/postscript
Microsoft Rich Text Format rtf    application/rtf
Adobe Acrobat PDF  pdf    application/pdf
      application/x-pdf
Maker Interchange Format (FrameMaker)  mif   application/vnd.mif
      application/x-mif
Troff document t tr roff   application/x-troff
Troff document with MAN macros man    application/x-troff-man
Troff document with ME macros me    application/x-troff-me
Troff document with MS macros ms    application/x-troff-ms
LaTeX document  latex   application/x-latex
Tex/LateX document tex   application/x-tex
GNU TexInfo document texinfo texi    application/x-texinfo
TeX dvi format  dvi   application/x-dvi
MacWrite document ??   application/macwriteii
MS word document ??   application/msword
WordPerfect 5.1 document ??    application/wordperfect5.1
SGML application (RFC 1874)     application/sgml
Office Document Architecture oda    application/oda
Envoy Document evy   application/envoy
Wang Info. Tranfer Format (Wang)     application/wita
DEC Document Transfer Format (DEC)     application/dec-dx
IBM Document Content Architecture (IBM)      application/dca-rft

CommonGround Digital Paper (No Hands Software)      application/commonground
FrameMaker Documents (Frame) doc fm frm frame    application/vnd.framemaker
      application/x-framemaker
Remote printing at arbitrary printers (RFC 1486)      application/remote-printing

Archive/Compressed Archives
Gnu tar format gtar   application/x-gtar
4.3BSD tar format tar   application/x-tar
POSIX tar format ustar   application/x-ustar
Old CPIO format bcpio   application/x-bcpio
POSIX CPIO format cpio   application/x-cpio
UNIX sh shell archive shar    application/x-shar
DOS/PC - Pkzipped archive zip    application/zip
Macintosh Binhexed archive  hqx    application/mac-binhex40
Macintosh Stuffit Archive sit sea    application/x-stuffit
Fractal Image Format  fif    application/fractals
Binary, UUencoded bin uu   application/octet-stream
PC executable exe   application/octet-stream
WAIS "sources" src wsrc    application/x-wais-source
NCSA HDF data format hdf   application/hdf

Downloadable Program/Scripts
Javascript program  js ls mocha    text/javascript
      application/x-javascript
VBScript program      text/vbscript
UNIX bourne shell program sh    application/x-sh
UNIX c-shell program csh   application/x-csh
Perl program pl   application/x-perl
Tcl (Tool Control Language) program tcl    application/x-tcl
Atomicmail program scripts (obsolete)      application/atomicmail
Slate documents - executable enclosures (BBN)      application/slate
Undefined binary data (often executable progs)      application/octet-stream
RISC OS Executable programs (ANT Limited)      application/riscos

Animation/Multimedia
Andrew Toolkit inset     application/andrew-inset
FutureSplash vector animation (FutureWave)  spl   application/futuresplash
mBED multimedia data (mBED) mbd    application/mbedlet
Macromedia Shockwave (Macromedia)     application/x-director
Sizzler real-time video/animation     application/x-sprite
PowerMedia multimedia (RadMedia) rad   application/x-rad-powermedia

Presentation
PowerPoint presentation (Microsoft) ppz   application/mspowerpoint
PointPlus presentation data (Net Scene)  css   application/x-pointplus
ASAP WordPower (Software Publishing Corp.)  asp   application/x-asap
Astound Web Player multimedia data (GoldDisk)  asn   application/astound
Special Embedded Object
OLE script e.g. Visual Basic (Ncompass)  axs   application/x-olescript
OLE Object (Microsoft/NCompass) ods   application/x-oleobject
OpenScape OLE/OCX objects (Business@Web)  opp   x-form/x-openscape
Visual Basic objects (Amara) wba    application/x-webbasic
Specialized data entry forms (Alpha Software)  frm   application/x-alpha-form
client-server objects (Wayfarer Communications)  wfx   x-script/x-wfxclient
General Applications
Undefined binary data (often executable progs)      application/octet-stream
CALS (U.S. D.O.D data format - RFC 1895)     application/cals-1840
Pointcast news data (Pointcast) pcn   application/x-pcn
Excel spreadsheet (Microsoft)     application/vnd.ms-excel
      application/x-msexcel
      application/ms-excel
PowerPoint (Microsoft) ppt    application/vnd.ms-powerpoint
      application/ms-powerpoint
Microsoft Project (Microsoft)     application/vnd.ms-project
Works data (Microsoft)     application/vnd.ms-works
MAPI data (Microsoft)     application/vnd.ms-tnef
Artgallery data (Microsoft)     application/vnd.artgalry
SourceView document (Dataware Electronics)  svd   application/vnd.svd
Truedoc (Bitstream)     application/vnd.truedoc
Net Install - software install (20/20 Software)  ins   application/x-net-install
Carbon Copy - remote control/access (Microcom)  ccv   application/ccv
Spreadsheets (Visual Components) vts   workbook/formulaone
Cybercash digital money (Cybercash)     application/cybercash
Format for sending generic Macintosh files     application/applefile
Active message -- connect to active mail app.      application/activemessage
X.400 mail message body part (RFC 1494)     application/x400-bp
USENET news message id (RFC 1036)     application/news-message-id
USENET news message (RFC 1036)     application/news-transmission

Multipart Types (mostly email)
Messages with multiple parts     multipart/mixed
Messages with multiple, alternative parts     multipart/alternative
Message with multiple, related parts      multipart/related
Multiple parts are digests     multipart/digest
For reporting of email status (admin.)     multipart/report
Order of parts does not matter     multipart/parallel
Macintosh file data     multipart/appledouble
Aggregate messages; descriptor as header     multipart/header-set
Container for voice-mail      multipart/voice-message
HTML FORM data (see Ch. 9 and App. B)     multipart/form-data
Infinite multiparts - See Chapter 9 (Netscape)      multipart/x-mixed-replace

Message Types (mostly email)
MIME message     message/rfc822
Partial message     message/partial
Message containing external references     message/external-body
Message containing USENET news     message/news
HTTP message      message/http

2D/3D Data/Virtual Reality Types
VRML data file wrl vrml   x-world/x-vrml
(changing to model/vrml)

WIRL - VRML data (VREAM) vrw    x-world/x-vream
Play3D 3d scene data (Play3D) p3d    application/x-p3d
Viscape Interactive 3d world data (Superscape)  svr   x-world/x-svr
WebActive 3d data (Plastic Thought)  wvr   x-world/x-wvr
QuickDraw3D scene data (Apple) 3dmf   x-world/x-3dmf

Scientific/Math/CAD Types
Chemical types -- to communicate information about chemical models      chemical/* (several subtypes)
Mathematica notebook ma   application/mathematica
Computational meshes for numerical simulations  msh   x-model/x-mesh
(evolving to model/mesh)

Vis5D 5-dimensional data  v5d    application/vis5d
IGES models -- CAD/CAM (CGM) data  igs    application/iges
(evolving to model/iges?)

Autocad WHIP vector drawings dwf    drawing/x-dwf


Largely Platform-Specific Types

Silicon Graphics Specific Types
Showcase Presentations showcase slides sc sho show    application/x-showcase
Insight Manual pages ins insight    application/x-insight
Iris Annotator data ano   application/x-annotator
Directory Viewer dir   application/x-dirview
Software License  lic   application/x-enterlicense
Fax manager file faxmgr   application/x-fax-manager
Fax job data file faxmgrjob    application/x-fax-manager-job
IconBook data icnbk   application/x-iconbook
? wb   application/x-inpview
Installable software in 'inst' format inst    application/x-install
Mail folder mail   application/x-mailfolder
? pp ppages   application/x-ppages
Data for printer (via lpr) sgi-lpr    application/x-sgi-lpr
Software in 'tardist' format tardist    application/x-tardist
Software in compressed 'tardist' format ztardist   application/x-ztardist
WingZ spreadsheet wkz   application/x-wingz
Open Inventor 3-D scenes  iv    graphics/x-inventor