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| 5c5945 | 1 | package com.hx.util; |
| E | 2 | |
| 3 | import com.hx.exception.TipsException; | |
| 4 | import org.slf4j.Logger; | |
| 5 | import org.slf4j.LoggerFactory; | |
| 6 | import org.springframework.web.multipart.MultipartFile; | |
| 7 | ||
| 8 | import java.io.*; | |
| 9 | import java.text.SimpleDateFormat; | |
| 10 | import java.util.ArrayList; | |
| 11 | import java.util.Arrays; | |
| 12 | import java.util.Date; | |
| 13 | import java.util.List; | |
| 14 | ||
| 15 | /** 文件处理工具 | |
| 16 | * @author ChenJiaHe | |
| 17 | * @Date 2020-06-17 | |
| 18 | */ | |
| 19 | public class FileUtils { | |
| 20 | ||
| 21 | private final static Logger logger = LoggerFactory.getLogger(FileUtils.class); | |
| 22 | ||
| 23 | private static int BUFFER_SIZE = 1024; | |
| 24 | ||
| 25 | /** | |
| 26 | * @param path | |
| 27 | * @MethodName fileIsExists | |
| 28 | * @Description 文件是否存在 | |
| 29 | * @Author ChenJiaHe | |
| 30 | * @Date 2019/9/7 9:13 | |
| 31 | * @Since JDK 1.8 | |
| 32 | */ | |
| 33 | public static boolean fileIsExists(String path) { | |
| 34 | File file = new File(path); | |
| 35 | if (file.exists()) { | |
| 36 | return true; | |
| 37 | } else { | |
| 38 | return false; | |
| 39 | } | |
| 40 | } | |
| 41 | ||
| 42 | /** | |
| 43 | * @param sourceFile | |
| 44 | * @param targetFile | |
| 45 | * @MethodName copyFile | |
| 46 | * @Description 复制文件 | |
| 47 | * @Author ChenJiaHe | |
| 48 | * @Date 2019/9/7 9:36 | |
| 49 | * @Since JDK 1.8 | |
| 50 | */ | |
| 51 | public static void copyFile(File sourceFile, File targetFile) throws IOException { | |
| 52 | BufferedInputStream inputStream = null; | |
| 53 | BufferedOutputStream outputStream = null; | |
| 54 | try { | |
| 55 | inputStream = new BufferedInputStream(new FileInputStream(sourceFile)); | |
| 56 | outputStream = new BufferedOutputStream(new FileOutputStream(targetFile)); | |
| 57 | byte[] b = new byte[BUFFER_SIZE]; | |
| 58 | int len; | |
| 59 | while ((len = inputStream.read(b)) != -1) { | |
| 60 | outputStream.write(b, 0, len); | |
| 61 | } | |
| 62 | outputStream.flush(); | |
| 63 | } catch (Exception e) { | |
| 64 | logger.error("copy file error", e); | |
| 65 | } finally { | |
| 66 | if (inputStream != null) { | |
| 67 | inputStream.close(); | |
| 68 | } | |
| 69 | if (outputStream != null) { | |
| 70 | outputStream.close(); | |
| 71 | } | |
| 72 | } | |
| 73 | } | |
| 74 | ||
| 75 | /** | |
| 76 | * @param path | |
| 77 | * @param fileType 文件类型，0 = 文件夹 1 = 文件 | |
| 78 | * @MethodName getAllFiles | |
| 79 | * @Description 讀取文件夹下的，不包括子文件夹内 | |
| 80 | * @Author ChenJiaHe | |
| 81 | * @Date 2019/9/17 15:56 | |
| 82 | * @Since JDK 1.8 | |
| 83 | */ | |
| 84 | public static List<String> getAllFiles(String path, String fileType) { | |
| 85 | List<String> fileList = new ArrayList<>(); | |
| 86 | File fileDic = new File(path); | |
| 87 | File[] files = fileDic.listFiles(); | |
| 88 | for (File file : files) { | |
| 89 | if ("1".equals(fileType)) { | |
| 90 | if (file.isFile()) { | |
| 91 | fileList.add(file.toString()); | |
| 92 | } | |
| 93 | } | |
| 94 | if ("0".equals(fileType)) { | |
| 95 | if (file.isDirectory()) { | |
| 96 | fileList.add(file.toString()); | |
| 97 | } | |
| 98 | } | |
| 99 | } | |
| 100 | return fileList; | |
| 101 | } | |
| 102 | ||
| 103 | /** | |
| 104 | * @param path | |
| 105 | * @MethodName getFolderFiles | |
| 106 | * @Description 递归获取所有包括子文件夹的文件 | |
| 107 | * @Author ChenJiaHe | |
| 108 | * @Date 2019/9/17 16:11 | |
| 109 | * @Since JDK 1.8 | |
| 110 | */ | |
| 111 | public static void getAllFileName(String path, List<String> listFileName) { | |
| 112 | try { | |
| 113 | File file = new File(path); | |
| 114 | File[] files = file.listFiles(); | |
| 115 | String[] names = file.list(); | |
| 116 | if (names != null) { | |
| 117 | String[] completNames = new String[names.length]; | |
| 118 | for (int i = 0; i < names.length; i++) { | |
| 119 | completNames[i] = path + names[i]; | |
| 120 | } | |
| 121 | listFileName.addAll(Arrays.asList(completNames)); | |
| 122 | } | |
| 123 | for (File a : files) { | |
| 124 | // 如果文件夹下有子文件夹，获取子文件夹下的所有文件全路径。 | |
| 125 | if (a.isDirectory()) { | |
| 126 | getAllFileName(a.getAbsolutePath() + "\\", listFileName); | |
| 127 | } | |
| 128 | } | |
| 129 | } catch (Exception e) { | |
| 130 | e.printStackTrace(); | |
| 131 | } | |
| 132 | } | |
| 133 | ||
| 134 | /** | |
| 135 | * 读取文件内容，作为字符串返回 | |
| 136 | */ | |
| 137 | public static String readFileAsString(String filePath) throws IOException { | |
| 138 | File file = new File(filePath); | |
| 139 | if (!file.exists()) { | |
| 140 | throw new FileNotFoundException(filePath); | |
| 141 | } | |
| 142 | ||
| 143 | if (file.length() > 1024 * 1024 * 1024) { | |
| 144 | throw new IOException("File is too large"); | |
| 145 | } | |
| 146 | ||
| 147 | StringBuilder sb = new StringBuilder((int) (file.length())); | |
| 148 | // 创建字节输入流 | |
| 149 | FileInputStream fis = new FileInputStream(filePath); | |
| 150 | // 创建一个长度为10240的Buffer | |
| 151 | byte[] bbuf = new byte[10240]; | |
| 152 | // 用于保存实际读取的字节数 | |
| 153 | int hasRead = 0; | |
| 154 | while ( (hasRead = fis.read(bbuf)) > 0 ) { | |
| 155 | sb.append(new String(bbuf, 0, hasRead)); | |
| 156 | } | |
| 157 | fis.close(); | |
| 158 | return sb.toString(); | |
| 159 | } | |
| 160 | ||
| 161 | /** | |
| 162 | * 根据文件路径读取byte[] 数组 | |
| 163 | */ | |
| 164 | public static byte[] readFileByBytes(String filePath) throws IOException { | |
| 165 | File file = new File(filePath); | |
| 166 | if (!file.exists()) { | |
| 167 | throw new FileNotFoundException(filePath); | |
| 168 | } else { | |
| 169 | ByteArrayOutputStream bos = new ByteArrayOutputStream((int) file.length()); | |
| 170 | BufferedInputStream in = null; | |
| 171 | ||
| 172 | try { | |
| 173 | in = new BufferedInputStream(new FileInputStream(file)); | |
| 174 | short bufSize = 1024; | |
| 175 | byte[] buffer = new byte[bufSize]; | |
| 176 | int len1; | |
| 177 | while (-1 != (len1 = in.read(buffer, 0, bufSize))) { | |
| 178 | bos.write(buffer, 0, len1); | |
| 179 | } | |
| 180 | ||
| 181 | byte[] var7 = bos.toByteArray(); | |
| 182 | return var7; | |
| 183 | } finally { | |
| 184 | try { | |
| 185 | if (in != null) { | |
| 186 | in.close(); | |
| 187 | } | |
| 188 | } catch (IOException var14) { | |
| 189 | var14.printStackTrace(); | |
| 190 | } | |
| 191 | ||
| 192 | bos.close(); | |
| 193 | } | |
| 194 | } | |
| 195 | } | |
| 196 | ||
| 197 | ||
| 198 | /** | |
| 199 | * 2020-06-29 | |
| 200 | * cjh | |
| 201 | * 图片格式判断 | |
| 202 | * */ | |
| 203 | public static boolean imageFormatJudge(MultipartFile firs) { | |
| 204 | String imageName = firs.getOriginalFilename(); | |
| 205 | //截取格式 | |
| 206 | String suffix =imageName.substring(imageName.lastIndexOf(".") + 1); | |
| 207 | //格式字母转小写 | |
| 208 | suffix = suffix.toLowerCase(); | |
| 209 | //进行判断 | |
| 210 | if(suffix.equals("png")) { | |
| 211 | return true; | |
| 212 | }else if(suffix.equals("jpg")){ | |
| 213 | return true; | |
| 214 | }else if(suffix.equals("jpeg")){ | |
| 215 | return true; | |
| 216 | }else { | |
| 217 | return false; | |
| 218 | } | |
| 219 | } | |
| 220 | ||
| 221 | /**图片上传的方法 | |
| 222 | * 保存到服务器里面的 | |
| 223 | * @param platformIconFile 图片文件 | |
| 224 | * @param unifiedFolder NG指向的前端文件夹(统一文件夹)，如：user/local/images/ | |
| 225 | * @param saveFolder 保存到的文件夹,如：/bananer/ | |
| 226 | * @param autoDateFolder 是否生成日期文件夹 | |
| 227 | * @return 图片路径 | |
| 228 | * 2020-06-29 ChenJiaHe | |
| 229 | */ | |
| 230 | public static String handleFileUpload(MultipartFile platformIconFile,String unifiedFolder,String saveFolder | |
| 231 | ,boolean autoDateFolder) { | |
| 232 | String fileName = ""; | |
| 233 | try { | |
| 234 | if(platformIconFile == null) { | |
| 235 | throw new TipsException("请上传图片！"); | |
| 236 | } | |
| 237 | if(!imageFormatJudge(platformIconFile)) { | |
| 238 | throw new TipsException("请上传png、jpg和jpeg格式的图片！"); | |
| 239 | } | |
| 240 | ||
| 241 | //设置图片大小 | |
| 242 | // String.format("%.1f",platformIconFile.getSize()/1024.0); | |
| 243 | if(autoDateFolder){ | |
| 244 | if(saveFolder.endsWith("/")){ | |
| 245 | saveFolder = saveFolder+dateFormat(new Date(),"yyyyMM")+"/"; | |
| 246 | }else{ | |
| 247 | saveFolder = saveFolder+"/"+dateFormat(new Date(),"yyyyMM")+"/"; | |
| 248 | } | |
| 249 | } | |
| 250 | fileName = dateFormat(new Date(),"yyyyMMddHHmmssSSS"); | |
| 251 | if(unifiedFolder.endsWith("/")){ | |
| 252 | if(saveFolder.startsWith("/")){ | |
| 253 | saveFolder = saveFolder.replaceFirst("/",""); | |
| 254 | unifiedFolder = unifiedFolder + saveFolder; | |
| 255 | }else{ | |
| 256 | unifiedFolder = unifiedFolder+saveFolder; | |
| 257 | } | |
| 258 | }else{ | |
| 259 | if(saveFolder.startsWith("/")){ | |
| 260 | unifiedFolder = unifiedFolder + saveFolder; | |
| 261 | }else{ | |
| 262 | unifiedFolder = unifiedFolder+"/"+saveFolder; | |
| 263 | } | |
| 264 | } | |
| 265 | fileName = saveFolder+fileUp(platformIconFile,unifiedFolder,fileName); | |
| 266 | } catch (RuntimeException e) { | |
| 267 | e.printStackTrace(); | |
| 268 | } | |
| 269 | return fileName; | |
| 270 | } | |
| 271 | ||
| 272 | /** | |
| 273 | * 2020-06-29 ChenJiaHe | |
| 274 | * @param file //文件对象 | |
| 275 | * @param filePath //上传路径 | |
| 276 | * @param fileName //文件名 | |
| 277 | * @return 文件名 | |
| 278 | */ | |
| 279 | public static String fileUp(MultipartFile file, String filePath, String fileName){ | |
| 280 | String extName = ""; // 扩展名格式： | |
| 281 | try { | |
| 282 | if (file.getOriginalFilename().lastIndexOf(".") >= 0){ | |
| 283 | extName = file.getOriginalFilename().substring(file.getOriginalFilename().lastIndexOf(".")); | |
| 284 | } | |
| 285 | copyFile(file.getInputStream(), filePath, fileName+extName).replaceAll("-", ""); | |
| 286 | } catch (IOException e) { | |
| 287 | System.out.println(e); | |
| 288 | } | |
| 289 | return fileName+extName; | |
| 290 | } | |
| 291 | ||
| 292 | /** | |
| 293 | * 写文件到当前目录的upload目录中 | |
| 294 | * | |
| 295 | * @param in | |
| 296 | * @param fileName | |
| 297 | * @throws IOException | |
| 298 | */ | |
| 299 | private static String copyFile(InputStream in, String dir, String realName)throws IOException { | |
| 300 | File file = new File(dir, realName); | |
| 301 | file.setWritable(true); | |
| 302 | if (!file.exists()) { | |
| 303 | if (!file.getParentFile().exists()) { | |
| 304 | file.getParentFile().mkdirs(); | |
| 305 | } | |
| 306 | file.createNewFile(); | |
| 307 | } | |
| 308 | org.apache.commons.io.FileUtils.copyInputStreamToFile(in, file); | |
| 309 | return realName; | |
| 310 | } | |
| 311 | ||
| 312 | /** | |
| 313 | * | |
| 314 | * @param date 时间 | |
| 315 | * @param format 时间格式 | |
| 316 | * @return 返回的时间格式字符串 | |
| 317 | */ | |
| 318 | public static String dateFormat(Date date,String format) { | |
| 319 | SimpleDateFormat df = new SimpleDateFormat(format);//设置日期格式 | |
| 320 | return df.format(date); | |
| 321 | } | |
| 322 | ||
| 323 | ||
| 324 | /** | |
| 325 | * @param stream 文件流 | |
| 326 | * @param saveUrl 保存到的文件夹 | |
| 327 | * @param fileName 文件图片 | |
| 328 | * @return | |
| 329 | * @throws IOException | |
| 330 | */ | |
| 331 | public static File inputStreamToFile(InputStream stream,String saveUrl,String fileName) throws IOException { | |
| 332 | if(saveUrl.endsWith("/")){ | |
| 333 | saveUrl = saveUrl + fileName; | |
| 334 | }else{ | |
| 335 | saveUrl = saveUrl +"/"+ fileName; | |
| 336 | } | |
| 337 | File targetFile = new File(saveUrl); | |
| 338 | org.apache.commons.io.FileUtils.copyInputStreamToFile(stream, targetFile); | |
| 339 | return targetFile; | |
| 340 | } | |
| 341 | ||
| 342 | } | |
