使用Struts 2框架上传文件(3)

		private List<File> attachmentFile;
private List<String> attachmentFileName;
private List<String> attachmentContentType;

		public class SingleFileUploadAction extends ActionSupport
{
    private static final long    serialVersionUID    = 742220866388022377L;

    private File                 attachment;                                // 用户上传的文件
    private String               attachmentFileName;                        // 上传文件的文件名
    private String               attachmentContentType;                     // 上传文件的类型
    private String               description;                               // 用户的描述

    /*
     * SingleFileUploadAction的属性的getter和setter方法
     */
    public File getAttachment()
    {
        return attachment;
    }

    public void setAttachment(File attachment)
    {
        this.attachment = attachment;
    }

    public String getAttachmentFileName()
    {
        return attachmentFileName;
    }

    public void setAttachmentFileName(String attachmentFileName)
    {
        this.attachmentFileName = attachmentFileName;
    }

    public String getAttachmentContentType()
    {
        return attachmentContentType;
    }

    public void setAttachmentContentType(String attachmentContentType)
    {