| 提交 | 用户 | 时间 | ||
| 1ac2bc | 1 | package cn.stylefeng.guns.workflow.core.util; |
| 懒 | 2 | |
| 3 | import org.apache.commons.io.FileUtils; | |
| 4 | import org.springframework.web.multipart.MultipartFile; | |
| 5 | ||
| 6 | import java.io.*; | |
| 7 | import java.net.MalformedURLException; | |
| 8 | import java.net.URL; | |
| 9 | ||
| 10 | /** | |
| 11 | * 上传文件 | |
| 12 | * | |
| 13 | * @author fengshuonan | |
| 14 | * @Date 2019/8/7 23:14 | |
| 15 | */ | |
| 16 | public class FileUpload { | |
| 17 | ||
| 18 | /** | |
| 19 | * 上传文件 | |
| 20 | * | |
| 21 | * @param file //文件对象 | |
| 22 | * @param filePath //上传路径 | |
| 23 | * @param fileName //文件名 | |
| 24 | * @return 文件名 | |
| 25 | */ | |
| 26 | public static String fileUp(MultipartFile file, String filePath, String fileName) { | |
| 27 | String extName = ""; // 扩展名格式： | |
| 28 | try { | |
| 29 | if (file.getOriginalFilename().lastIndexOf(".") >= 0) { | |
| 30 | extName = file.getOriginalFilename().substring(file.getOriginalFilename().lastIndexOf(".")); | |
| 31 | } | |
| 32 | copyFile(file.getInputStream(), filePath, fileName + extName).replaceAll("-", ""); | |
| 33 | } catch (IOException e) { | |
| 34 | System.out.println(e); | |
| 35 | } | |
| 36 | return fileName + extName; | |
| 37 | } | |
| 38 | ||
| 39 | /** | |
| 40 | * 写文件到当前目录的upload目录中 | |
| 41 | * | |
| 42 | * @param in | |
| 43 | * @param fileName | |
| 44 | * @throws IOException | |
| 45 | */ | |
| 46 | public static String copyFile(InputStream in, String dir, String realName) | |
| 47 | throws IOException { | |
| 48 | File file = mkdirsmy(dir, realName); | |
| 49 | FileUtils.copyInputStreamToFile(in, file); | |
| 50 | in.close(); | |
| 51 | return realName; | |
| 52 | } | |
| 53 | ||
| 54 | ||
| 55 | /** | |
| 56 | * 判断路径是否存在，否：创建此路径 | |
| 57 | * | |
| 58 | * @param dir 文件路径 | |
| 59 | * @param realName 文件名 | |
| 60 | * @throws IOException | |
| 61 | */ | |
| 62 | public static File mkdirsmy(String dir, String realName) throws IOException { | |
| 63 | File file = new File(dir, realName); | |
| 64 | if (!file.exists()) { | |
| 65 | if (!file.getParentFile().exists()) { | |
| 66 | file.getParentFile().mkdirs(); | |
| 67 | } | |
| 68 | file.createNewFile(); | |
| 69 | } | |
| 70 | return file; | |
| 71 | } | |
| 72 | ||
| 73 | ||
| 74 | /** | |
| 75 | * 下载网络图片上传到服务器上 | |
| 76 | * | |
| 77 | * @param httpUrl 图片网络地址 | |
| 78 | * @param filePath 图片保存路径 | |
| 79 | * @param myFileName 图片文件名(null时用网络图片原名) | |
| 80 | * @return 返回图片名称 | |
| 81 | */ | |
| 82 | public static String getHtmlPicture(String httpUrl, String filePath, String myFileName) { | |
| 83 | ||
| 84 | URL url; //定义URL对象url | |
| 85 | BufferedInputStream in; //定义输入字节缓冲流对象in | |
| 86 | FileOutputStream file; //定义文件输出流对象file | |
| 87 | try { | |
| 88 | String fileName = null == myFileName ? httpUrl.substring(httpUrl.lastIndexOf("/")).replace("/", "") : myFileName; //图片文件名(null时用网络图片原名) | |
| 89 | url = new URL(httpUrl); //初始化url对象 | |
| 90 | in = new BufferedInputStream(url.openStream()); //初始化in对象，也就是获得url字节流 | |
| 91 | //file = new FileOutputStream(new File(filePath +"\\"+ fileName)); | |
| 92 | file = new FileOutputStream(mkdirsmy(filePath, fileName)); | |
| 93 | int t; | |
| 94 | while ((t = in.read()) != -1) { | |
| 95 | file.write(t); | |
| 96 | } | |
| 97 | file.close(); | |
| 98 | in.close(); | |
| 99 | return fileName; | |
| 100 | } catch (MalformedURLException e) { | |
| 101 | e.printStackTrace(); | |
| 102 | } catch (FileNotFoundException e) { | |
| 103 | e.printStackTrace(); | |
| 104 | } catch (IOException e) { | |
| 105 | e.printStackTrace(); | |
| 106 | } | |
| 107 | return null; | |
| 108 | ||
| 109 | } | |
| 110 | } | |
