| 提交 | 用户 | age | ||
| 826b66 | 1 | package com.hx.util; |
| C | 2 | |
| 3 | import org.apache.commons.fileupload.FileItem; | |
| 4 | import org.apache.commons.fileupload.FileItemFactory; | |
| 5 | import org.apache.commons.fileupload.disk.DiskFileItemFactory; | |
| 6 | import org.apache.commons.io.IOUtils; | |
| 7 | import org.springframework.http.MediaType; | |
| 8 | import org.springframework.web.multipart.MultipartFile; | |
| 9 | import org.springframework.web.multipart.commons.CommonsMultipartFile; | |
| 10 | ||
| 11 | import java.io.*; | |
| 12 | ||
| 13 | public class MultipartFileUtil { | |
| 14 | ||
| 15 | ||
| 16 | /**文件转化 | |
| 17 | * File to MultipartFile | |
| 18 | * @param file | |
| 19 | * @return | |
| 20 | */ | |
| 21 | public static MultipartFile getMultipartFile(File file) { | |
| 22 | FileItem item = new DiskFileItemFactory().createItem("file" | |
| 23 | , MediaType.MULTIPART_FORM_DATA_VALUE | |
| 24 | , true | |
| 25 | , file.getName()); | |
| 26 | try (InputStream input = new FileInputStream(file); | |
| 27 | OutputStream os = item.getOutputStream()) { | |
| 28 | // 流转移 | |
| 29 | IOUtils.copy(input, os); | |
| 30 | } catch (Exception e) { | |
| 31 | throw new IllegalArgumentException("Invalid file: " + e, e); | |
| 32 | } | |
| 33 | return new CommonsMultipartFile(item); | |
| 34 | } | |
| 35 | ||
| 36 | ||
| 37 | /**文件转化 | |
| 38 | * File to MultipartFile | |
| 39 | * @param file 文件 | |
| 40 | * @param fileName 带后缀的文件名 | |
| 41 | * @return | |
| 42 | */ | |
| 43 | public static MultipartFile getMultipartFile(File file,String fileName) { | |
| 44 | FileItem item = new DiskFileItemFactory().createItem("file" | |
| 45 | , MediaType.MULTIPART_FORM_DATA_VALUE | |
| 46 | , true | |
| 47 | , StringUtils.isEmpty(fileName)?file.getName():fileName); | |
| 48 | try (InputStream input = new FileInputStream(file); | |
| 49 | OutputStream os = item.getOutputStream()) { | |
| 50 | // 流转移 | |
| 51 | IOUtils.copy(input, os); | |
| 52 | } catch (Exception e) { | |
| 53 | throw new IllegalArgumentException("Invalid file: " + e, e); | |
| 54 | } | |
| 55 | return new CommonsMultipartFile(item); | |
| 56 | } | |
| 57 | ||
| 58 | } | |
