java文件上传

public String buildFile(File file) throws IOException {

//suffix为上传文件的文件名

String suffix = getUploadPathFileName();

//文件的上传路径

String urlPathString=ServletActionContext.getServletContext().getRealPath("/") +"upload";

String filePath = urlPathString + File.separator+"TempletFile"+ File.separator + suffix;//File.separator表示“//”

File folderFile=new File(urlPathString);

if (!(folderFile.exists())){

folderFile.mkdirs();

}

FileUtils.copyFile(uploadPath, new File(filePath));

return suffix;

}