java实现文件上传

private File photo;

private String photoFileName; // 封装上传文件名的属性

private String root = "D:/root/pic"; 

private void loadPicture() throws IOException {

HttpServletRequest request = ServletActionContext.getRequest();

FileOutputStream fos;

// 获取图片后缀名

String partRightType = "";

String savePath = "";

if (photoFileName != null && !"".equals(photoFileName)) {

partRightType = photoFileName.substring(photoFileName

.lastIndexOf("."));

}

// 判断图片的格式

if (!ImageFile.checkImageType(partRightType)) {

// 跳转到添加页面

request.setAttribute("info", "The file format is incorrect!");

} else {

try {

photoFileName = DateUtils.getDateNoStyle() + "-"

+ UUID.randomUUID() + partRightType;

savePath = root + "/";

File uploadFilePath = new File(savePath);

if (uploadFilePath.exists() == false) {

uploadFilePath.mkdirs();

System.out.println("路径不存在,但是已经成功创建了" + savePath);

} else {

System.out.println("路径存在了" + savePath);

}

fos = new FileOutputStream(new File(savePath + photoFileName));

FileInputStream fis = new FileInputStream(getPhoto());

byte[] buffer = new byte[1024];

int len = 0;

while ((len = fis.read(buffer)) > 0) {

fos.write(buffer, 0, len);

}

fos.close();

fis.close();

} catch (FileNotFoundException foe) {

System.out.println("上传文件为0字节");

}

// Pdf2Swf.convertPDF2SWF(savePath + uploadFileName, savePath,

// uploadFileName.replaceAll(".pdf", ".swf"));

//

// String path = "/uploadFiles/pdf/" + periodical.getCountry() + "/"

// + uploadFileName.replaceAll(".pdf", ".swf");

}

}