/**
* SpringBoot上传文件
* @param request
* @param path 文件路径
* @return
*/
public static Object uploadFile(HttpServletRequest request, String path){
??MultipartHttpServletRequest params=((MultipartHttpServletRequest) request);
??MultiValueMap<String, MultipartFile> filesMap = params.getMultiFileMap();
??List<String> fileNames = new ArrayList<String>();
??JSONObject json = new JSONObject();
??boolean flag = true;
??String errorFile = "";
??ERROR:
??for (String key: filesMap.keySet() ) {
??List<MultipartFile> files = ?filesMap.get(key) ;
?????for (MultipartFile file ?:files
???????????) {
????????String filename = file.getOriginalFilename();
????????String serverFileName = ?String.valueOf(new Date().getTime())+ (int)(Math.random()*100)
??????????????+filename.substring(filename.indexOf("."));
????????try {
???????????filename = writeFile(file.getBytes(), path, serverFileName);
???????????if(StringUtil.isNotEmpty(filename)){
??????????????//导入成功
??????????????fileNames.add(serverFileName);
???????????}
????????} catch (Exception e) {
???????????flag = false;
???????????errorFile = filename;
???????????break ERROR;
????????}
?????}
??}
??//如果有一个文件失败了，则返回false 已经成功的文件在fileNames（List<String>）内存储，失败的文件在errorFile（String）
??json.put("success",flag);
??json.put("fileNames",fileNames);
??json.put("errorFile",errorFile);
??return json;
}
文件上传到服务器
原文地址：https://www.cnblogs.com/feecy/p/9454438.html