struts2实现简单文件上传

    <form action="${pageContext.request.contextPath }/fileupload" method="post" enctype="multipart/form-data">
        <input type="file" name="filesrc" ><br>
        <input type="submit" value="提交">
        
    </form>

public class FileUploadAction extends ActionSupport {
    private File   filesrc;
    private String filesrcFileName;
    private String filesrcContentType;
    
    public File getFilesrc() {
        return filesrc;
    }
    public void setFilesrc(File filesrc) {
        this.filesrc = filesrc;
    }
    public String getFilesrcFileName() {
        return filesrcFileName;
    }
    public void setFilesrcFileName(String filesrcFileName) {
        this.filesrcFileName = filesrcFileName;
    }
    public String getFilesrcContentType() {
        return filesrcContentType;
    }
    public void setFilesrcContentType(String filesrcContentType) {
        this.filesrcContentType = filesrcContentType;
    }
    
    public String uploadFile(){
        String path = ServletActionContext.getServletContext().getRealPath("/upload");
        File destFile = new File(path, filesrcFileName);
        try {
            FileUtils.copyFile(filesrc, destFile);
        } catch (IOException e) {
            e.printStackTrace();
            throw new RuntimeException(e);
        }
        
        return SUCCESS;
    }
    
}