0108、0109开头的物料BOM清单上传的时候覆盖之前相同编码的物料，保留之前的附件及附件状态

whycxzp

2023-12-22 5460c97d61ecea5818b97a6c6c59334b9dd1c49f

 src/main/java/com/whyc/util/FileUtil.java

@@ -1,6 +1,10 @@
package com.whyc.util;

import java.io.File;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletResponse;
import java.io.*;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;

@@ -60,6 +64,68 @@
        return true;
    }

    public static void download(HttpServletResponse resp,String inFilePath,String outFileFullName){
        try {
            // 转码防止乱码
            //resp.addHeader("Content-Disposition", "attachment;filename=" + new String(softwareName.getBytes("UTF-8"), "ISO8859-1"));
            resp.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode ( outFileFullName, "utf-8"));
            OutputStream out = resp.getOutputStream();
            FileInputStream in = new FileInputStream(inFilePath);
            int len=0;
            byte[] buffer =new byte[1024];
            //7. 将缓冲区中的数据输出
            while ((len=in.read(buffer))>0){
                out.write(buffer,0,len);
            }
            in.close();
            out.close();
        } catch (FileNotFoundException | UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static String saveFile(MultipartFile multipartFile,String fileName) throws IOException {
        String rootFile = CommonUtil.getRootFile();

        String filePath = rootFile + fileName;
        File file = new File(filePath);
        File parentFile = file.getParentFile();
        if(!parentFile.exists()){
            parentFile.mkdirs();
        }
        //存储
        multipartFile.transferTo(file);

        return "doc_file"+fileName;
    }

    /**
     * 复制文件夹内的所有文件到另一个文件夹
     */
    public static void copyDirectory(File source, File destination) {
        if (source.isDirectory()) {
            if (!destination.exists()) {
                destination.mkdir();
            }
            for (File file : source.listFiles()) {
                copyDirectory(file, new File(destination, file.getName()));
            }
        } else {
            try (FileInputStream inputStream = new FileInputStream(source);
                 FileOutputStream outputStream = new FileOutputStream(destination)) {
                byte[] buffer = new byte[1024];
                int length;
                while ((length = inputStream.read(buffer)) > 0) {
                    outputStream.write(buffer, 0, length);
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    public static void main(String[] args) {
        File file = new File("C:\\Users\\29550\\Desktop\\当前项目\\202207泰州平台");
        List list = new ArrayList<>();