20.springboot项目部署到linux服务器文件上传临时路径处理问题 20.springboot项目部署到linux服务

1.前言把项目部署到服务器上之后，文件上传默认会在/tmp路径中。
之前想了各种解决办法，比如如何更改这个上传路径。。。。。。
最后发现不是个好的方法，当然就想到了更好的解决方案。
就是我把上传文件存储到临时路径里，我在通过File类的文件移动方法移动到我想要的路径下，就解决了这个问题。
2.解决方案

package com.xm.zeronews.controller; import com.xm.zeronews.pojo.User; import com.xm.zeronews.service.UserService; import com.xm.zeronews.util.UserUtil; import io.swagger.annotations.Api; import io.swagger.annotations.ApiOperation; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Value; import org.springframework.boot.system.ApplicationHome; import org.springframework.util.ClassUtils; import org.springframework.web.bind.annotation.*; import org.springframework.web.multipart.MultipartFile; import java.io.File; import java.io.IOException; import java.nio.ByteBuffer; import java.nio.channels.FileChannel; import java.nio.file.StandardOpenOption; import java.util.UUID; /** * 作者：Xm Guo * 时间：2018/11/15 **/ @Api(value="https://www.it610.com/article/FileController",tags="文件上传管理") @RestController @CrossOrigin @RequestMapping("/upload") public class FileController {@Autowired private UserService userService; private Long MaxSize; @Value("${fileUpload.path}") private String path; @Value("${fileUpload.file}") private String filepaths; @ApiOperation(value="https://www.it610.com/article/上传头像") @PostMapping("/head") public String uploadHead(MultipartFile file) { String filename = file.getOriginalFilename(); return upload(file,false,"head"+filename.substring(filename.lastIndexOf('.'))); }@ApiOperation(value="https://www.it610.com/article/上传背景") @PostMapping("/bg") public String uploadBg(MultipartFile file) { String filename = file.getOriginalFilename(); filename = upload(file,false,"bg"+filename.substring(filename.lastIndexOf('.'))); User user = new User(); user.setId(UserUtil.getUserId()); user.setBg(filename); userService.updateById(user); return filename; }@ApiOperation(value="https://www.it610.com/article/上传新闻图片") @PostMapping("/news") public String uploadNews(MultipartFile file) { String filename= null; try{ filename= file.getOriginalFilename(); } catch(Exception e) { e.printStackTrace(); }filename = UUID.randomUUID().toString().replace("-", "").toLowerCase() + filename.substring(filename.lastIndexOf('.')); return upload(file,true,filename); }private String upload(MultipartFile file,Boolean isNews,String fileName) { File tmpfile = new File("/"+fileName); try { file.transferTo(tmpfile); } catch (IOException e) { e.printStackTrace(); }String filepath = filepaths; filepath += UserUtil.getUserId(); File upFile = new File(path+filepath); if(!upFile.exists()) { upFile.mkdir(); } if(isNews) { filepath += "/news"; upFile = new File(path+filepath); if(!upFile.exists()) { upFile.mkdir(); } } filepath += "/"+ fileName; upFile = new File(path,filepath); System.out.println("文件上传路径："+upFile.getAbsolutePath()); if(tmpfile.renameTo(upFile)){ System.out.println("文件上传成功！"); return filepath; } else { System.out.println("文件上传失败！"); } return null; /*FileChannel inChannel =null; FileChannel outChannel = null; try { inChannel =FileChannel.open(tmpfile.toPath(), StandardOpenOption.READ); *//** * StandardOpenOption.CREATE与StandardOpenOption.CREATE_NEW的区别 * 1.StandardOpenOption.CREATE：无则创建，有则覆盖 * 2.StandardOpenOption.CREATE_NEW：无则创建，有则报错 *//* outChannel =FileChannel.open(upFile.toPath(), StandardOpenOption.WRITE,StandardOpenOption.CREATE); //3.定义缓冲区 ByteBuffer buffer = ByteBuffer.allocate(1024); //4.读取数据到缓冲区,再从缓冲区写入到文件 while(inChannel.read(buffer) != -1) { //切换到读模式 buffer.flip(); //写操作到管道 outChannel.write(buffer); //清空buffer buffer.clear(); } } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } finally { //5.关闭通道和流 if(inChannel != null) { try { inChannel.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } if(outChannel != null) { try { outChannel.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } return filepath; }*/}}

【20.springboot项目部署到linux服务器文件上传临时路径处理问题】转载于:https://www.cnblogs.com/TimerHotel/p/springboot20.html