获取SpringBoot相关文件

 package com.example.servicehi;

    
  
    
 import lombok.extern.slf4j.Slf4j;
    
 import org.springframework.web.bind.annotation.GetMapping;
    
 import org.springframework.web.bind.annotation.RestController;
    
 import javax.servlet.http.HttpServletResponse;
    
 import java.io.BufferedInputStream;
    
 import java.io.File;
    
 import java.io.FileInputStream;
    
 import java.io.OutputStream;
    
 import java.net.URLEncoder;
    
  
    
 @RestController
    
 @Slf4j
    
 public class FileController {
    
     @GetMapping("/download")
    
     public String fileDownLoad(H