图片上传返回上传链接

@Value(("#{prop.uploadHost}"))
private String uploadHost;
@RequestMapping(value = "/insertImgUrl")
public ResultData insertImgUrl(HttpServletRequest request, HttpServletResponse response)
{
 ???response.setContentType("application/json");
 ???String rootPath = request.getSession().getServletContext().getRealPath("/");
 ???MultipartHttpServletRequest Murequest =(MultipartHttpServletRequest)request;
 ???Map<String, MultipartFile> files = Murequest.getFileMap();//得到文件map对象
 ???// 实例化一个jersey
 Client client = new Client();

 ???for(MultipartFile pic: files.values()){
 ???????String originalFilename = pic.getOriginalFilename(); ?//原来的文件名
 ???????//String uploadInfo = Upload.upload(client, pic, request, response, uploadHost, ueditor);
 String[] txt1 = originalFilename.split("\\.");
 ???????String txt = txt1[txt1.length - 1];
 ???????if (StringUtils.isBlank(originalFilename)) {
 ???????????continue;
 ???????}
 ???????File tempFile = new File(ueditor, originalFilename);
 ???????Long ss = System.currentTimeMillis();
 ???????File newfile = new File(tempFile.getParent() + File.separator + ss + "." + txt);
 ???????tempFile.renameTo(newfile);
 ???????if (tempFile.exists()) {
 ???????????//newfile = new File(tempFile.getParent() + File.separator + ss+"."+txt);
 tempFile.renameTo(newfile);
 ???????}
 ???????if (!newfile.exists()) {
 ???????????newfile.getParentFile().mkdirs();
 ???????????try {
 ???????????????newfile.createNewFile();
 ???????????????pic.transferTo(newfile);
 ???????????????//ImageUtil imageUtil = new ImageUtil();
 Integer isUpload=0;
 ???????????????SftpUtil sftpUtil=new SftpUtil();
 ???????????????isUpload=sftpUtil.LunboUpload(ss + "." + txt, ss);
 ???????????????if(isUpload==0)
 ???????????????{
 ???????????????????return ResultData.returnResultData(ResultData.DATA_FALSE,"上传失败");
 ???????????????}
 ???????????} catch (Exception e) {
 ???????????????e.printStackTrace();
 ???????????}
 ???????}
 ???????String uploadInfo=uploadHost+ss+"."+txt;
 ???????if(!"".equals(uploadInfo))
 ???????{
 ???????????return ResultData.returnResultData(ResultData.RESULT_SUCCESS,"ok",uploadInfo);
 ???????}
 ???????else
 {
 ???????????return ResultData.returnResultData(ResultData.DATA_FALSE,"false","上传失败");
 ???????}
 ???}
 ???return ResultData.returnResultData(ResultData.DATA_FALSE,"false","上传失败");
}

public ?synchronized Integer ?LunboUpload(String fileName,Long s)
{
 ???ChannelSftp sftp=null;
 ???try {
 ???SftpUtil sf = new SftpUtil();
 ???String host = ip;
 ???int port = 22;
 ???String username = root;
 ???String password = Password;
 ???//String directory = "/data/sftp/mysftp/lunbo/";
 ???//String uploadFile = "/home/ftp/img/"+fileName;
 String uploadFile = "G:/ceshi/image/"+fileName;
 ???sftp=sf.connect(host, port, username, password);
 ???sf.upload(directory, uploadFile, sftp);
 ???sftp.getSession().disconnect();
 ???sftp.quit();
 ???sftp.disconnect();//关闭
 ???//sf.download(directory, downloadFile, saveFile, sftp);
 ???//sf.delete(directory, deleteFile, sftp);
 return 1;
 ???} catch (Exception e) {
 ???????//sftp.getSession().disconnect();
 sftp.quit();
 ???????sftp.disconnect();//关闭
 return 0;
 ???}
}
要注意图片服务器使用ftp传输，同时要注意关闭ftp链接，保证最终的图片正常传输，
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
 ???<property name="defaultEncoding" value="UTF-8"/>
</bean>

图片上传返回上传链接

原文地址：https://www.cnblogs.com/xuanyuer/p/9880355.html