struts2上传多文件

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public class UploadAction {

 

    private static final long serialVersionUID = 7738910297605127355L;

    //private News news; //注入实体对象

    private static final int BUFFER_SIZE = 16 * 1024;// 缓冲-上传字节数组

    private String upfileName;

 

    private List<File> uploads = new ArrayList<File>();

    private List<String> uploadFileNames = new ArrayList<String>();

    private List<String> uploadContentTypes = new ArrayList<String>();

 

    public String add() {

        int size = uploadContentTypes.size();

        if (size > 0) {

            for (int i = 0; i < size; i++) {

                String contentype = uploadContentTypes.get(i);

                if (contentype.indexOf("image") > -1) {

                    File imageFile = new File(ServletActionContext.getServletContext().getRealPath("/upload/images")+ "/" + uploadFileNames.get(i));

                    UploadUtil.copy(uploads.get(i), imageFile, BUFFER_SIZE);

                    String picturePath = "/upload/images" + "/" + uploadFileNames.get(i);

                    String picName = uploadFileNames.get(i);

                     

                    // 设置实体对象中的图片地址

                    // news.setPicturePath(picturePath);

                    // news.setPictureName(uploadFileNames.get(0));

 

                    System.out.println("图片地址：" + picturePath);

                    System.out.println("图片名称：" + picName);

                }

                /*否则就是上传附件，不是图片

                else {

                    File fujianFile = new File(ServletActionContext.getServletContext().getRealPath("/upload")+ "/" + uploadFileNames.get(1));

                    UploadUtil.copy(uploads.get(1), fujianFile, BUFFER_SIZE);

                    // 设置实体对象中的图片地址

                    // news.setUpfileName(uploadFileNames.get(1));

                    String picturePath = "/upload/images" + "/"

                            + uploadFileNames.get(0);

                    String picName = uploadFileNames.get(0);

                    System.out.println("图片地址：" + picturePath);

                    System.out.println("图片名称：" + picName);

                }

                */

            }

        }

        return "upload";

    }

 

    public String getUpfileName() {

        return upfileName;

    }

 

    public void setUpfileName(String upfileName) {

        this.upfileName = upfileName;

    }

 

    public List<File> getUpload() {

        return this.uploads;

    }

 

    public void setUpload(List<File> uploads) {

        this.uploads = uploads;

    }

 

    public List<String> getUploadFileName() {

        return this.uploadFileNames;

    }

 

    public void setUploadFileName(List<String> uploadFileNames) {

        this.uploadFileNames = uploadFileNames;

    }

 

    public List<String> getUploadContentType() {

        return this.uploadContentTypes;

    }

 

    public void setUploadContentType(List<String> contentTypes) {

        this.uploadContentTypes = contentTypes;

    }

 

}

 UploadUtil.java<br>-------------------/**

 * 上传文件，名称以日期命名

 *

 * @author Administrator

 */

public class UploadUtil {

    /**

     * 上传文件

     *

     * @param src

     *            源文件

     * @param dst

     *            目标文件

     * @param BUFFER_SIZE

     *            缓冲大小

     */

    public static void copy(File src, File dst, final int BUFFER_SIZE) {

        try {

            InputStream in = null;

            OutputStream out = null;

            try {

                in = new BufferedInputStream(new FileInputStream(src));

                dst = rename(dst);

                out = new BufferedOutputStream(new FileOutputStream(dst));

                int word = 0;

                while ((word = in.read()) != -1) {

                    out.write(word);

                }

            } finally {

                if (null != in) {

                    in.close();

                }

                if (null != out) {

                    out.close();

                }

            }

        } catch (Exception e) {

            e.printStackTrace();

        }

    }

 

    /**

     * 得到扩展名

     * @param fileName

     * @return

     */

    public static String getExt(String fileName) {

        int pos = fileName.lastIndexOf(".");

        return fileName.substring(pos);

    }

 

    /**

     * 更改上传文件名

     * @param file 文件对象

     * @return 更名后的文件对象

     */

    public static File rename(File file) {

        String fileName = "";// 文件名

        String extName = "";// 文件扩展名

        Calendar cal = Calendar.getInstance();

        SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMddHHmmss");

        fileName = formatter.format(cal.getTime()) + (int) (Math.random() * 10);

        extName = getExt(file.getName());

        String newName = fileName + "." + extName;

        file = new File(file.getParent(), newName);

        return file;

    }

 

}

 upload.jsp<html>

  <body>

   <s:form method="post" action="jupload" enctype ="multipart/form-data">

    上传图片：<s:file name ="upload" theme="simple"/>

    <br/>

    上传附件：<s:file name ="upload" theme="simple"/>

    <br/>

    <s:submit theme="simple" value="提交"/>

  </s:form>

  </body>

</html>

<!-- 上传文件 cyjch -->

<action name="jupload"  method="add" class="upAction" >

    <result name="upload">upload.jsp</result>

</action>

　　

　　struts.xml