Java 保存上传文件

@RequestMapping(value = "filesUpload")
public void filesUpload(@RequestParam MultipartFile[] file,
HttpServletRequest request) {
List<String> list = new ArrayList<String>();
if (file != null && file.length > 0) {
for (int i = 0; i < file.length; i++) {
MultipartFile files = file[i];
// 保存文件
list = saveFile(request, files, list);
}
}
}

private List<String> saveFile(HttpServletRequest request,
MultipartFile file, List<String> list) {
// 判断文件是否为空
if (!file.isEmpty()) {
try {
// 保存的文件路径(如果用的是Tomcat服务器，文件会上传到\\%TOMCAT_HOME%\\webapps\\YourWebProject\\upload\\文件夹中
String realPath = request.getSession().getServletContext().getRealPath("");
String uploadPath=PropertiesUtil.get("/module.properties", "mall.uploadPath");
String filePath = realPath+uploadPath.replaceAll("/","\\\\") + file.getOriginalFilename();
System.out.println(filePath);
list.add(file.getOriginalFilename());
File saveDir = new File(filePath);
if (!saveDir.getParentFile().exists())
saveDir.getParentFile().mkdirs();

// 转存文件
file.transferTo(saveDir);
return list;
} catch (Exception e) {
e.printStackTrace();
}
}
return list;
}