工具方法整理
Excel工具类：
1 import net.sf.jxls.transformer.XLSTransformer; 2 import org.apache.poi.openxml4j.exceptions.InvalidFormatException; 3 import org.apache.poi.ss.usermodel.Workbook; 4 import org.jxls.reader.ReaderBuilder; 5 import org.jxls.reader.XLSReadStatus; 6 import org.jxls.reader.XLSReader; 7 import org.springframework.util.ResourceUtils; 8 import org.springframework.web.multipart.MultipartFile; 9 import org.xml.sax.SAXException; 10 11 import javax.servlet.http.HttpServletResponse; 12 import java.io.*; 13 import java.util.*; 14 15 public class ExcelUtil { 16 17 /** 18 * @param beans Map<String, Object>，数据集合 19 * @param path String，模板路径 20 * @param fileName String，文件名 21 * @param response HttpServletResponse 22 * @Title: exportExcel 23 * @Description: 导出Excel执行方法 24 */ 25 public static void exportExcel(Map<String, Object> beans, String path, String fileName, 26 HttpServletResponse response) { 27 FileInputStream fileInputStream = null; 28 OutputStream outputStream = null; 29 XLSTransformer transformer = new XLSTransformer(); 30 try { 31 // 文件名称 32 fileName = fileName + "_" + DateUtil.format(new Date(), DateUtil.PATTERN[4]) + ".xls"; 33 // 获得写入文件名称的OutputStream 34 response.setContentType("application/x-excel"); 35 response.setHeader("Content-Disposition", "attachment;filename=".concat(new String(fileName.getBytes 36 ("GB2312"), "ISO-8859-1"))); 37 outputStream = response.getOutputStream(); 38 //获取模板路径 39 File file = ResourceUtils.getFile("classpath:template_excel"); 40 // 获得模板的输入流 41 fileInputStream = new FileInputStream(file + "/" + path); 42 // 将beans通过模板输入流写到workbook中 43 Workbook workbook = transformer.transformXLS(fileInputStream, beans); 44 workbook.write(outputStream); 45 workbook.close(); 46 } catch (Exception e) { 47 e.printStackTrace(); 48 } finally { 49 if (fileInputStream != null) { 50 try { 51 fileInputStream.close(); 52 } catch (IOException e) { 53 e.printStackTrace(); 54 } 55 } 56 if (outputStream != null) { 57 try { 58 outputStream.close(); 59 } catch (IOException e) { 60 e.printStackTrace(); 61 } 62 } 63 } 64 } 65 66 /** 67 * @param file MultipartFile，上传的文件 68 * @param xmlConfig String，xml路径 69 * @param clazz Class<T> 70 * @return List<T> 71 * @Title: exportExcel 72 * @Description: 导入Excel执行方法 73 */ 74 public static <T> List<T> importExcel(MultipartFile file, String xmlConfig, String listKey, Class<T> clazz) { 75 InputStream inputXLS = null; 76 InputStream inputXML = null; 77 try { 78 inputXML = clazz.getClass().getResourceAsStream(xmlConfig); 79 XLSReader mainReader = ReaderBuilder.buildFromXML(inputXML); 80 inputXLS = new BufferedInputStream(file.getInputStream()); 81 List<T> list = new ArrayList<>(); 82 Map<String, Object> beans = new HashMap<>(); 83 beans.put(listKey, list); 84 85 XLSReadStatus readStatus = mainReader.read(inputXLS, beans); 86 if (readStatus.isStatusOK()) { 87 return list; 88 } 89 } catch (IOException | SAXException | InvalidFormatException e) { 90 e.printStackTrace(); 91 } finally { 92 try { 93 if (inputXML != null) { 94 inputXML.close(); 95 } 96 if (inputXLS != null) { 97 inputXLS.close(); 98 } 99 } catch (IOException e) { 100 e.printStackTrace(); 101 } 102 } 103 return null; 104 } 105 }
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Date工具类：
1 import org.springframework.util.StringUtils; 2 3 import java.text.SimpleDateFormat; 4 import java.time.Instant; 5 import java.time.LocalDate; 6 import java.time.LocalDateTime; 7 import java.time.ZoneId; 8 import java.time.format.DateTimeFormatter; 9 import java.util.*; 10 11 /** 12 * Date工具类 13 */ 14 public class DateUtil { 15 16 // 默认使用系统当前时区 17 private static final ZoneId ZONE = ZoneId.systemDefault(); 18 19 public static String[] PATTERN = new String[]{"yyyy-MM", "yyyyMM", "yyyy/MM", "yyyyMMdd", "yyyy-MM-dd", 20 "yyyy/MM/dd", "yyyyMMddHHmmss", "yyyy-MM-dd HH:mm:ss", "yyyy/MM/dd HH:mm:ss", "yyyy"}; 21 22 23 /** 24 * LocalDate转String 25 * 26 * @param date 27 * @param pattern 28 * @return String 29 */ 30 public static String formatLocalDate(LocalDate date, String pattern) { 31 try { 32 DateTimeFormatter dateFormat = DateTimeFormatter.ofPattern(pattern); 33 return dateFormat.format(date); 34 } catch (Exception e) { 35 e.printStackTrace(); 36 } 37 return ""; 38 } 39 40 /** 41 * Date转LocalDate 42 * 43 * @param date 44 * @return String 45 */ 46 public static LocalDate dateToLocalDate(Date date) { 47 try { 48 Instant instant = date.toInstant(); 49 LocalDateTime localDateTime = LocalDateTime.ofInstant(instant, ZONE); 50 return localDateTime.toLocalDate(); 51 } catch (Exception e) { 52 e.printStackTrace(); 53 } 54 return null; 55 } 56 57 /** 58 * Date转LocalDate 59 * 60 * @param localDate 61 * @return String 62 */ 63 public static Date localDateToDate(LocalDate localDate) { 64 try { 65 Instant instant = localDate.atStartOfDay().atZone(ZONE).toInstant(); 66 return Date.from(instant); 67 } catch (Exception e) { 68 e.printStackTrace(); 69 } 70 return null; 71 } 72 73 /** 74 * String转Date 75 * 76 * @param str 77 * @param pattern 78 * @return Date 79 */ 80 public static Date parseDate(String str, String pattern) { 81 try { 82 if (str != null && str.length() > 0) { 83 SimpleDateFormat dateFormat = new SimpleDateFormat(pattern); 84 return dateFormat.parse(str); 85 } 86 } catch (Exception e) { 87 e.printStackTrace(); 88 } 89 return null; 90 } 91 92 /** 93 * Date转String 94 * 95 * @param date 96 * @param pattern 97 * @return String 98 */ 99 public static String format(Date date, String pattern) { 100 try { 101 SimpleDateFormat dateFormat = new SimpleDateFormat(pattern); 102 return dateFormat.format(date); 103 } catch (Exception e) { 104 e.printStackTrace(); 105 } 106 return ""; 107 } 108 109 //Date转换为LocalDateTime 110 public static LocalDateTime convertDateToLDT(Date date) { 111 return LocalDateTime.ofInstant(date.toInstant(), ZoneId.systemDefault()); 112 } 113 114 //LocalDateTime转换为Date 115 public static Date convertLDTToDate(LocalDateTime time) { 116 return Date.from(time.atZone(ZoneId.systemDefault()).toInstant()); 117 } 118 119 /** 120 * 获取本周的第一天和最后一天 121 */ 122 public static Map<String, Object> getWeekBeginAndEndTime(Date date) { 123 //获取本周开始时间 124 Calendar calendarStart = Calendar.getInstance(); 125 calendarStart.setFirstDayOfWeek(Calendar.MONDAY); 126 calendarStart.setTime(date); 127 calendarStart.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY); 128 //获取本周结束时间 129 Calendar calendarEnd = Calendar.getInstance(); 130 calendarEnd.setFirstDayOfWeek(Calendar.MONDAY); 131 calendarEnd.setTime(date); 132 calendarEnd.set(Calendar.DAY_OF_WEEK, Calendar.SUNDAY); 133 134 //时间格式化 135 String weekBeginTime = format(calendarStart.getTime(), PATTERN[4]); 136 String weekEndTime = format(calendarEnd.getTime(), PATTERN[4]); 137 //返回信息 138 Map<String, Object> map = new HashMap<>(); 139 map.put("weekBeginTime", weekBeginTime); 140 map.put("weekEndTime", weekEndTime); 141 return map; 142 } 143 144 public static Map<String, Object> getMonthStartAndEndTime(Date date) { 145 //获取本月第一天 146 Calendar calendarMonthStart = Calendar.getInstance(); 147 calendarMonthStart.add(Calendar.MONTH, 0); 148 calendarMonthStart.set(Calendar.DAY_OF_MONTH, 1);//设置为1号,当前日期既为本月第一天 149 //获取本月最后一天 150 Calendar calendarMonthEnd = Calendar.getInstance(); 151 calendarMonthEnd.set(Calendar.DAY_OF_MONTH, calendarMonthEnd.getActualMaximum(Calendar.DAY_OF_MONTH)); 152 //格式化 153 SimpleDateFormat format = new SimpleDateFormat(PATTERN[4]); 154 String monthBeginTime = format.format(calendarMonthStart.getTime()); 155 String monthEndTime = format.format(calendarMonthEnd.getTime()); 156 Map<String, Object> map = new HashMap<>(); 157 map.put("monthBeginTime", monthBeginTime); 158 map.put("monthEndTime", monthEndTime); 159 return map; 160 } 161 162 /** 163 * 获取开始时间至结束时间这几个月时间 164 * 165 * @param startTime 166 * @param endTime 167 * @return List<Date> 168 */ 169 public static List<Date> getMonthDate(Date startTime, Date endTime) { 170 if (startTime == null || endTime == null) { 171 return null; 172 } 173 174 List<Date> list = new ArrayList<>(); 175 176 Calendar min = Calendar.getInstance(); 177 Calendar max = Calendar.getInstance(); 178 179 min.setTime(startTime); 180 min.set(min.get(Calendar.YEAR), min.get(Calendar.MONTH), 1); 181 182 max.setTime(endTime); 183 max.set(max.get(Calendar.YEAR), max.get(Calendar.MONTH), 2); 184 185 Calendar curr = min; 186 while (curr.before(max)) { 187 list.add(curr.getTime()); 188 curr.add(Calendar.MONTH, 1); 189 } 190 return list; 191 } 192 193 public static void main(String[] args){ 194 Date date = new Date(2018,9,18); 195 String season = getSeason(date); 196 System.out.println(season); 197 } 198 199 /** 200 * 获取开始时间至结束时间这几个月时间 201 * 202 * @param startTime 203 * @param endTime 204 * @return List<String> 205 */ 206 public static List<String> getMonthDateToString(Date startTime, Date endTime) { 207 List<String> list = new ArrayList<>(); 208 209 Calendar min = Calendar.getInstance(); 210 Calendar max = Calendar.getInstance(); 211 212 min.setTime(startTime); 213 min.set(min.get(Calendar.YEAR), min.get(Calendar.MONTH), 1); 214 215 max.setTime(endTime); 216 max.set(max.get(Calendar.YEAR), max.get(Calendar.MONTH), 2); 217 218 Calendar curr = min; 219 while (curr.before(max)) { 220 list.add(format(curr.getTime(), PATTERN[0])); 221 curr.add(Calendar.MONTH, 1); 222 } 223 return list; 224 } 225 226 /** 227 * 1 第一季度 2 第二季度 3 第三季度 4 第四季度 228 * 229 * @param date 230 * @return 231 */ 232 public static String getSeason(Date date) { 233 Calendar c = Calendar.getInstance(); 234 String season = format(date, PATTERN[9]); 235 c.setTime(date); 236 237 int month = c.get(Calendar.MONTH); 238 switch (month) { 239 case Calendar.JANUARY: 240 case Calendar.FEBRUARY: 241 case Calendar.MARCH: 242 season += "年1季度"; 243 break; 244 case Calendar.APRIL: 245 case Calendar.MAY: 246 case Calendar.JUNE: 247 season += "年2季度"; 248 break; 249 case Calendar.JULY: 250 case Calendar.AUGUST: 251 case Calendar.SEPTEMBER: 252 season += "年3季度"; 253 break; 254 case Calendar.OCTOBER: 255 case Calendar.NOVEMBER: 256 case Calendar.DECEMBER: 257 season += "年4季度"; 258 break; 259 default: 260 break; 261 } 262 return season; 263 } 264 265 public static List<String> getSeasonList(Date startDate, Date endDate) { 266 if (startDate == null || endDate == null) { 267 return null; 268 } 269 270 List<Date> monthList = getMonthDate(startDate, endDate); 271 272 List<String> seasonList = new ArrayList<>(); 273 274 for (Date date : monthList) { 275 String season = DateUtil.getSeason(date); 276 if (!seasonList.contains(season)) { 277 seasonList.add(season); 278 } 279 } 280 return seasonList; 281 } 282 283 public static List<String> getYearList(Date startDate, Date endDate) { 284 if (startDate == null || endDate == null) { 285 return null; 286 } 287 List<String> list = new ArrayList<>(); 288 289 Calendar min = Calendar.getInstance(); 290 Calendar max = Calendar.getInstance(); 291 292 min.setTime(startDate); 293 min.set(min.get(Calendar.YEAR), min.get(Calendar.MONTH), 1); 294 295 max.setTime(endDate); 296 max.set(max.get(Calendar.YEAR), max.get(Calendar.MONTH), 2); 297 298 Calendar curr = min; 299 while (curr.before(max)) { 300 list.add(format(curr.getTime(), PATTERN[9])); 301 curr.add(Calendar.YEAR, 1); 302 } 303 return list; 304 } 305 306 public static String getSeasonBeginTime(String season) { 307 if(StringUtils.isEmpty(season)){ 308 return null; 309 } 310 String[] seasonArray = season.split("年"); 311 if(seasonArray.length!=2 || StringUtils.isEmpty(seasonArray[1])){ 312 return null; 313 } 314 Calendar calendar = Calendar.getInstance(); 315 String seasonNum = seasonArray[1].substring(0,1); 316 switch (seasonNum) { 317 case "1": 318 calendar.set(Integer.valueOf(seasonArray[0]), Calendar.JANUARY, 1); 319 calendar.set(Calendar.DAY_OF_MONTH, 1); 320 calendar.set(Calendar.HOUR_OF_DAY, 0); 321 calendar.set(Calendar.MINUTE, 0); 322 calendar.set(Calendar.SECOND, 0); 323 break; 324 case "2": 325 calendar.set(Integer.valueOf(seasonArray[0]), Calendar.APRIL, 1); 326 calendar.set(Calendar.DAY_OF_MONTH, 1); 327 calendar.set(Calendar.HOUR_OF_DAY, 0); 328 calendar.set(Calendar.MINUTE, 0); 329 calendar.set(Calendar.SECOND, 0); 330 break; 331 case "3": 332 calendar.set(Integer.valueOf(seasonArray[0]), Calendar.JULY, 1); 333 calendar.set(Calendar.DAY_OF_MONTH, 1); 334 calendar.set(Calendar.HOUR_OF_DAY, 0); 335 calendar.set(Calendar.MINUTE, 0); 336 calendar.set(Calendar.SECOND, 0); 337 break; 338 case "4": 339 calendar.set(Integer.valueOf(seasonArray[0]), Calendar.OCTOBER, 1); 340 calendar.set(Calendar.DAY_OF_MONTH, 1); 341 calendar.set(Calendar.HOUR_OF_DAY, 0); 342 calendar.set(Calendar.MINUTE, 0); 343 calendar.set(Calendar.SECOND, 0); 344 break; 345 default: 346 break; 347 } 348 return DateUtil.format(calendar.getTime(), PATTERN[7]); 349 } 350 351 public static String getSeasonEndTime(String season) { 352 if(StringUtils.isEmpty(season)){ 353 return null; 354 } 355 String[] seasonArray = season.split("年"); 356 if(seasonArray.length!=2 || StringUtils.isEmpty(seasonArray[1])){ 357 return null; 358 } 359 Calendar calendar = Calendar.getInstance(); 360 String seasonNum = seasonArray[1].substring(0,1); 361 switch (seasonNum) { 362 case "1": 363 calendar.set(Integer.valueOf(seasonArray[0]), Calendar.MARCH, 1); 364 calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DAY_OF_MONTH)); 365 calendar.set(Calendar.HOUR_OF_DAY, 23); 366 calendar.set(Calendar.MINUTE, 59); 367 calendar.set(Calendar.SECOND, 59); 368 break; 369 case "2": 370 calendar.set(Integer.valueOf(seasonArray[0]), Calendar.JUNE, 1); 371 calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DAY_OF_MONTH)); 372 calendar.set(Calendar.HOUR_OF_DAY, 23); 373 calendar.set(Calendar.MINUTE, 59); 374 calendar.set(Calendar.SECOND, 59); 375 break; 376 case "3": 377 calendar.set(Integer.valueOf(seasonArray[0]), Calendar.SEPTEMBER, 1); 378 calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DAY_OF_MONTH)); 379 calendar.set(Calendar.HOUR_OF_DAY, 23); 380 calendar.set(Calendar.MINUTE, 59); 381 calendar.set(Calendar.SECOND, 59); 382 break; 383 case "4": 384 calendar.set(Integer.valueOf(seasonArray[0]), Calendar.DECEMBER, 1); 385 calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DAY_OF_MONTH)); 386 calendar.set(Calendar.HOUR_OF_DAY, 23); 387 calendar.set(Calendar.MINUTE, 59); 388 calendar.set(Calendar.SECOND, 59); 389 break; 390 default: 391 break; 392 } 393 return DateUtil.format(calendar.getTime(), PATTERN[7]); 394 } 395 396 public static String getMonthBeginTime(Date date) { 397 if(date == null){ 398 return null; 399 } 400 Calendar calendar = Calendar.getInstance(); 401 calendar.setTime(date); 402 calendar.set(Calendar.DAY_OF_MONTH, 1); 403 calendar.set(Calendar.HOUR_OF_DAY, 0); 404 calendar.set(Calendar.MINUTE, 0); 405 calendar.set(Calendar.SECOND, 0); 406 return DateUtil.format(calendar.getTime(), PATTERN[7]); 407 } 408 public static String getMonthEndTime(Date date) { 409 if(date == null){ 410 return null; 411 } 412 Calendar calendar = Calendar.getInstance(); 413 calendar.setTime(date); 414 calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DAY_OF_MONTH)); 415 calendar.set(Calendar.HOUR_OF_DAY, 23); 416 calendar.set(Calendar.MINUTE, 59); 417 calendar.set(Calendar.SECOND, 59); 418 return DateUtil.format(calendar.getTime(), PATTERN[7]); 419 } 420 421 public static Date getYearBeginDate(Date date) { 422 if(date == null){ 423 return null; 424 } 425 Calendar calendar = Calendar.getInstance(); 426 calendar.setTime(date); 427 calendar.set(Calendar.MONTH, 0); 428 calendar.set(Calendar.DAY_OF_MONTH, 1); 429 calendar.set(Calendar.HOUR_OF_DAY, 0); 430 calendar.set(Calendar.MINUTE, 0); 431 calendar.set(Calendar.SECOND, 0); 432 return calendar.getTime(); 433 } 434 435 public static Date getYearEndDate(Date date) { 436 if(date == null){ 437 return null; 438 } 439 Calendar calendar = Calendar.getInstance(); 440 calendar.setTime(date); 441 calendar.set(Calendar.MONTH, 11); 442 calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DAY_OF_MONTH)); 443 calendar.set(Calendar.HOUR_OF_DAY, 23); 444 calendar.set(Calendar.MINUTE, 59); 445 calendar.set(Calendar.SECOND, 59); 446 return calendar.getTime(); 447 } 448 449 public static String getYearBeginTime(Date date) { 450 if(date == null){ 451 return null; 452 } 453 Calendar calendar = Calendar.getInstance(); 454 calendar.setTime(date); 455 calendar.set(Calendar.MONTH, 0); 456 calendar.set(Calendar.DAY_OF_MONTH, 1); 457 calendar.set(Calendar.HOUR_OF_DAY, 0); 458 calendar.set(Calendar.MINUTE, 0); 459 calendar.set(Calendar.SECOND, 0); 460 return DateUtil.format(calendar.getTime(), PATTERN[7]); 461 } 462 463 public static String getYearEndTime(Date date) { 464 if(date == null){ 465 return null; 466 } 467 Calendar calendar = Calendar.getInstance(); 468 calendar.setTime(date); 469 calendar.set(Calendar.MONTH, 11); 470 calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DAY_OF_MONTH)); 471 calendar.set(Calendar.HOUR_OF_DAY, 23); 472 calendar.set(Calendar.MINUTE, 59); 473 calendar.set(Calendar.SECOND, 59); 474 return DateUtil.format(calendar.getTime(), PATTERN[7]); 475 } 476 477 // public static void main(String[] args){ 478 // String startTime = "2018年2季度"; 479 // startTime = startTime.split("年")[1].substring(0,1); 480 // System.out.println(startTime); 481 // } 482 483 }
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正则表达式工具类：
1 import com.alibaba.fastjson.JSON; 2 import org.springframework.util.StringUtils; 3 4 import java.util.regex.Matcher; 5 import java.util.regex.Pattern; 6 7 8 public class CheckParam { 9 //验证手机号码的正则表达式 10 private static final String regexp_mobile="^(13|14|15|17|18)[0-9]{9}$"; 11 //验证身份证号的正则表达式 12 public static final String id_card_regx = "^\\d{15}$|^\\d{17}[0-9Xx]$"; 13 private static final String EmptyMes = "不能为空！"; 14 private static final String SplitChar = ",|\\，"; 15 //验证listingNo的正则表达式 16 private static final String listingNo_regx = "^[\\w\\d]{12}$"; 17 18 /** 19 * Object非空校验 20 * 21 * @param strJson 22 * 字段名称用","分隔 eg: 用户ID,用户名,..... 23 * @param strJson 24 * 字段名称用","分隔 eg: userId,userName,..... 25 * @param objects 26 * 对应strJson的字段值，要一一对应 27 * @return 校验成功返回"",否则返回相应错误。 28 * 详细用法： 29 * CheckEmptyString("用户ID,用户名称","userId,userName",object,object); 30 * </pre> 31 */ 32 public static ResultFactory CheckEmptyObject(String strJson,String keys, Object... objects) { 33 ResultFactory result = new ResultFactory(); 34 String[] strArr = strJson.split(SplitChar); 35 String[] keysArr = keys.split(SplitChar); 36 if (strArr.length != objects.length) { 37 return result.setErrorCode(ErrorCode.BAD_REQUEST).addError("param","参数对应错误！"); 38 } 39 for (int i = 0; i < strArr.length; i++) { 40 if (objects[i] == null) { 41 result.setErrorCode(ErrorCode.BAD_REQUEST).addError(keysArr[i],strArr[i] + EmptyMes); 42 continue; 43 } 44 if (objects[i].getClass().equals(String.class)) { 45 if (StringUtils.isEmpty(objects[i].toString())) { 46 result.setErrorCode(ErrorCode.BAD_REQUEST).addError(keysArr[i],strArr[i] + EmptyMes); 47 } 48 continue; 49 } 50 } 51 return result; 52 } 53 54 /** 55 * 校验手机号码 56 * 57 * @param mobile 手机号码 58 * @return true 正确 false 错误 59 * @throws Exception 60 */ 61 public static boolean checkMobile(String mobile) throws Exception{ 62 boolean flag = false; 63 try { 64 Pattern pattern = Pattern.compile(regexp_mobile); 65 Matcher matcher = pattern.matcher(mobile); 66 flag = matcher.matches(); 67 } catch (Exception e) { 68 throw e; 69 } 70 71 return flag; 72 } 73 74 /** 75 * 身份证号码校验 76 * 77 * @param idCard 78 * @return true 正确 false 错误 79 * @throws Exception 80 */ 81 public static boolean checkIdCard(String idCard) throws Exception{ 82 boolean flag = false; 83 try { 84 Pattern pattern = Pattern.compile(id_card_regx); 85 Matcher matcher = pattern.matcher(idCard); 86 flag = matcher.matches(); 87 } catch (Exception e) { 88 throw e; 89 } 90 return flag; 91 } 92 93 /** 94 * 95 * @param listingNo 96 * @return true正确，false错误 97 * @throws Exception 98 */ 99 public static boolean checkListingNo(String listingNo) { 100 boolean flag = false; 101 try { 102 Pattern pattern = Pattern.compile(listingNo_regx); 103 Matcher matcher = pattern.matcher(listingNo); 104 flag = matcher.matches(); 105 } catch (Exception e) { 106 throw e; 107 } 108 109 return flag; 110 } 111 112 public static void main(String[] args) { 113 System.out.println(JSON.toJSONString(CheckEmptyObject("用户ID，用户名", "userId，userName", "", ""))); 114 } 115 }
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MD5工具类：
1 import java.io.FileNotFoundException; 2 import java.security.MessageDigest; 3 import java.security.NoSuchAlgorithmException; 4 5 public class MD5Util { 6 7 public static String getFileMD5String(byte[] uploadBytes){ 8 String result = ""; 9 try { 10 MessageDigest md = MessageDigest.getInstance("MD5"); 11 md.update(uploadBytes); 12 byte b[] = md.digest(); 13 int i; 14 StringBuffer buf = new StringBuffer(); 15 for (int offset = 0; offset < b.length; offset++) { 16 i = b[offset]; 17 if (i < 0) 18 i += 256; 19 if (i < 16) 20 buf.append("0"); 21 buf.append(Integer.toHexString(i)); 22 } 23 result = buf.toString(); 24 } catch (NoSuchAlgorithmException e) { 25 e.printStackTrace(); 26 } 27 return result; 28 } 29 30 public static void main(String[] args) throws FileNotFoundException { 31 byte[] b = {1,1,1,0}; 32 String result = getFileMD5String(b); 33 System.out.println(result); 34 } 35 36 }
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OSS文件上传工具类：
1 import com.aliyun.oss.OSSClient; 2 import com.aliyun.oss.model.ObjectMetadata; 3 import com.aliyun.oss.model.PutObjectResult; 4 5 import java.io.File; 6 import java.io.FileInputStream; 7 import java.io.FileNotFoundException; 8 import java.io.InputStream; 9 import java.net.URL; 10 import java.util.Date; 11 12 /** 13 * Oss统一工具类 14 * 15 * @author BUER 16 */ 17 public class OssUtil { 18 19 private static final String accessKeyId = "LTAI8OAyueumjZY9"; 20 private static final String accessKeySecret = "XdaGhjCJvPKrI4jumAs2IkUU5owDXg"; 21 private static final String endpoint = "http://oss-cn-beijing.aliyuncs.com"; 22 private static final String bucketName = "sdljbim"; //存储空间 23 private static final long overTime = 3600 * 1000; 24 25 private static OSSClient ossClient = null; 26 27 static { 28 if (ossClient == null) { 29 ossClient = new OSSClient(endpoint, accessKeyId, accessKeySecret); 30 } 31 } 32 33 /** 34 * 上传图片到OSS 35 * 36 * @param objectName 文件名，带除上传bucket以外的文件夹路径 37 * @param inputStream 38 * @param len 文件长度 39 * @return 40 */ 41 public static String uploadFile(String objectName, InputStream inputStream, Long len) { 42 // 创建上传Object的Metadata 43 ObjectMetadata meta = new ObjectMetadata(); 44 // 必须设置ContentLength 45 meta.setContentLength(len); 46 // 上传Object. 47 PutObjectResult result = ossClient.putObject(bucketName, objectName, inputStream, meta); 48 // 打印ETag 49 return result.getETag(); 50 } 51 52 /** 53 * 获取文件访问地址(设置URL过期时间为1小时) 54 * </p> 55 * 56 * @param objectName 文件名 57 * @return URL 图片访问绝对路径 58 */ 59 public static String getFileUrl(String objectName) { 60 String urlStr = null; 61 if (objectName != null && objectName.length() > 0) { 62 while (objectName.indexOf("/") == 0) { 63 objectName = objectName.substring(1); 64 } 65 // 设置URL过期时间为1小时 66 Date expiration = new Date(new Date().getTime() + overTime); 67 // 创建URL 68 URL url = ossClient.generatePresignedUrl(bucketName, objectName, expiration); 69 if (url != null) { 70 urlStr = url.toString(); 71 urlStr = urlStr.split("\\?")[0]; 72 } 73 } 74 return urlStr; 75 } 76 77 /** 78 * 删除OSS中的文件 79 * 80 * @param objectName 81 */ 82 public static void deleteFile(String objectName) { 83 // 删除文件。 84 ossClient.deleteObject(bucketName, objectName); 85 } 86 87 public static void main(String[] args) throws FileNotFoundException { 88 File file = new File("C:\\Users\\BUER\\Pictures\\1-1G121203437.jpg"); 89 InputStream is = new FileInputStream(file); 90 String res = OssUtil.uploadFile("1G121203437.jpg", is, file.length()); 91 String url = getFileUrl("1G121203437.jpg"); 92 System.out.println(url); 93 } 94 }
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分页工具类：
1 public class PageUtil { 2 3 /** 4 * 创建分页 5 * @param pageNum 6 * 页码 7 * @param pageSize 8 * 每页显示数量 9 * @return 10 */ 11 public static int getRowIndex(int pageNum, int pageSize) { 12 int rowIndex = (pageNum - 1) * pageSize; 13 return rowIndex; 14 } 15 16 }
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图片验证码工具类：
1 import sun.misc.BASE64Decoder; 2 import sun.misc.BASE64Encoder; 3 4 import javax.imageio.ImageIO; 5 import java.awt.Color; 6 import java.awt.Font; 7 import java.awt.Graphics; 8 import java.awt.Graphics2D; 9 import java.awt.RenderingHints; 10 import java.awt.geom.AffineTransform; 11 import java.awt.image.BufferedImage; 12 import java.io.ByteArrayOutputStream; 13 import java.io.File; 14 import java.io.FileOutputStream; 15 import java.io.IOException; 16 import java.util.Arrays; 17 import java.util.HashMap; 18 import java.util.Map; 19 import java.util.Random; 20 21 /** 22 * 图片验证码工具类 23 */ 24 public class RandomCodeUtil { 25 private static Random random = new Random(); 26 27 private static Color getRandColor(int fc, int bc) { 28 if (fc > 255) 29 fc = 255; 30 if (bc > 255) 31 bc = 255; 32 int r = fc + random.nextInt(bc - fc); 33 int g = fc + random.nextInt(bc - fc); 34 int b = fc + random.nextInt(bc - fc); 35 return new Color(r, g, b); 36 } 37 38 private static int getRandomIntColor() { 39 int[] rgb = getRandomRgb(); 40 int color = 0; 41 for (int c : rgb) { 42 color = color << 8; 43 color = color | c; 44 } 45 return color; 46 } 47 48 private static int[] getRandomRgb() { 49 int[] rgb = new int[3]; 50 for (int i = 0; i < 3; i++) { 51 rgb[i] = random.nextInt(255); 52 } 53 return rgb; 54 } 55 56 private static void shear(Graphics g, int w1, int h1, Color color) { 57 shearX(g, w1, h1, color); 58 shearY(g, w1, h1, color); 59 } 60 61 private static void shearX(Graphics g, int w1, int h1, Color color) { 62 63 int period = random.nextInt(2); 64 65 boolean borderGap = true; 66 int frames = 1; 67 int phase = random.nextInt(2); 68 69 for (int i = 0; i < h1; i++) { 70 double d = (double) (period >> 1) 71 * Math.sin((double) i / (double) period + (6.2831853071795862D * (double) phase) / (double) frames); 72 g.copyArea(0, i, w1, 1, (int) d, 0); 73 if (borderGap) { 74 g.setColor(color); 75 g.drawLine((int) d, i, 0, i); 76 g.drawLine((int) d + w1, i, w1, i); 77 } 78 } 79 80 } 81 82 private static void shearY(Graphics g, int w1, int h1, Color color) { 83 84 int period = random.nextInt(40) + 10; // 50; 85 86 boolean borderGap = true; 87 int frames = 20; 88 int phase = 7; 89 for (int i = 0; i < w1; i++) { 90 double d = (double) (period >> 1) 91 * Math.sin((double) i / (double) period + (6.2831853071795862D * (double) phase) / (double) frames); 92 g.copyArea(i, 0, 1, h1, 0, (int) d); 93 if (borderGap) { 94 g.setColor(color); 95 g.drawLine(i, (int) d, i, 0); 96 g.drawLine(i, (int) d + h1, i, h1); 97 } 98 99 } 100 } 101 102 /** 103 * 生成指定长度的随机数字和字母 104 * 105 * @param length 106 * @return 107 */ 108 public static String getStringRandom(int length) { 109 String val = ""; 110 Random random = new Random(); 111 for (int i = 0; i < length; i++) { 112 String charOrNum = random.nextInt(2) % 2 == 0 ? "char" : "num"; 113 switch (charOrNum) { 114 case "char": 115 int temp = random.nextInt(2) % 2 == 0 ? 65 : 97; 116 val += (char) (random.nextInt(26) + temp); 117 break; 118 case "num": 119 val += String.valueOf(random.nextInt(10)); 120 break; 121 } 122 } 123 return val; 124 } 125 126 /** 127 * Base64编码的验证码图片 128 * 129 * @param w 130 * @param h 131 * @param code 132 * @return 133 * @throws Exception 134 */ 135 public static Map<String, String> imageToBase64(int w, int h, String code) throws Exception { 136 Map<String, String> result = new HashMap<String, String>(); 137 int verifySize = code.length(); 138 BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB); 139 Random rand = new Random(); 140 Graphics2D g2 = image.createGraphics(); 141 g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); 142 Color[] colors = new Color[5]; 143 Color[] colorSpaces = new Color[]{Color.WHITE, Color.CYAN, Color.GRAY, Color.LIGHT_GRAY, Color.MAGENTA, 144 Color.ORANGE, Color.PINK, Color.YELLOW}; 145 float[] fractions = new float[colors.length]; 146 for (int i = 0; i < colors.length; i++) { 147 colors[i] = colorSpaces[rand.nextInt(colorSpaces.length)]; 148 fractions[i] = rand.nextFloat(); 149 } 150 Arrays.sort(fractions); 151 152 g2.setColor(Color.GRAY);// 设置边框色 153 g2.fillRect(0, 0, w, h); 154 155 Color c = getRandColor(200, 250); 156 g2.setColor(c);// 设置背景色 157 g2.fillRect(0, 2, w, h - 4); 158 159 // 绘制干扰线 160 Random random = new Random(); 161 g2.setColor(getRandColor(160, 200));// 设置线条的颜色 162 for (int i = 0; i < 20; i++) { 163 int x = random.nextInt(w - 1); 164 int y = random.nextInt(h - 1); 165 int xl = random.nextInt(6) + 1; 166 int yl = random.nextInt(12) + 1; 167 g2.drawLine(x, y, x + xl + 40, y + yl + 20); 168 } 169 170 // 添加噪点 171 float yawpRate = 0.05f;// 噪声率 172 int area = (int) (yawpRate * w * h); 173 for (int i = 0; i < area; i++) { 174 int x = random.nextInt(w); 175 int y = random.nextInt(h); 176 int rgb = getRandomIntColor(); 177 image.setRGB(x, y, rgb); 178 } 179 180 shear(g2, w, h, c);// 使图片扭曲 181 182 g2.setColor(getRandColor(100, 160)); 183 int fontSize = h - 4; 184 Font font = new Font("Arial", Font.ITALIC, fontSize); 185 g2.setFont(font); 186 char[] chars = code.toCharArray(); 187 for (int i = 0; i < verifySize; i++) { 188 AffineTransform affine = new AffineTransform(); 189 affine.setToRotation(Math.PI / 4 * rand.nextDouble() * (rand.nextBoolean() ? 1 : -1), 190 (w / verifySize) * i + fontSize / 2, h / 2); 191 g2.setTransform(affine); 192 g2.drawChars(chars, i, 1, ((w - 10) / verifySize) * i + 5, h / 2 + fontSize / 2 - 10); 193 } 194 g2.dispose(); 195 ByteArrayOutputStream baos = new ByteArrayOutputStream(); 196 ImageIO.write(image, "jpg", baos); 197 result.put("randomCodeBase64", new BASE64Encoder().encode(baos.toByteArray())); 198 result.put("randomCode", code); 199 return result; 200 } 201 202 /** 203 * 将Base64位编码的图片进行解码，并保存到指定目录 204 * 205 * @param base64 base64编码的图片信息 206 * @return 207 */ 208 public static void base64ToImage(String base64) { 209 BASE64Decoder decoder = new BASE64Decoder(); 210 try { 211 File file = new File("D:/test.jpg"); 212 FileOutputStream write = new FileOutputStream(file); 213 byte[] decoderBytes = decoder.decodeBuffer(base64); 214 write.write(decoderBytes); 215 write.close(); 216 } catch (IOException e) { 217 e.printStackTrace(); 218 } 219 } 220 221 public static void main(String[] args) throws Exception { 222 Map<String, String> resuhResult = imageToBase64(120, 40, getStringRandom(4)); 223 String base64 = (String) resuhResult.get("base64"); 224 String imgCode = (String) resuhResult.get("imgCode"); 225 System.out.println("base64"+base64); 226 System.out.println("imgCode"+imgCode); 227 base64ToImage(base64); 228 } 229 }
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ErrorCode错误码工具类：
1 public enum ErrorCode { 2 3 OK(200, "OK"), 4 BAD_REQUEST(400, "Bad Request"), 5 UNAUTHORIZED(401, "Unauthorized"), 6 PAYMENT_REQUIRED(402, "Payment Required"), 7 FORBIDDEN(403, "Forbidden"), 8 NOT_FOUND(404, "Not Found"), 9 METHOD_NOT_ALLOWED(405, "Method Not Allowed"), 10 SERVER_ERROR(500, "Server Error"), 11 COMP_NOT_EXIST(400100, "构件不存在"), 12 SELECT_IS_NULL(400020, "查询为空"), 13 ADD_ERROR(400021, "添加失败"), 14 EDIT_ERROR(400022, "编辑失败"), 15 DELETE_ERROR(400023, "删除失败"), 16 PASSWORD_ERROR(400030, "密码错误"), 17 ACCOUNT_PASSWORD_IS_NULL(400010, "账号密码不能为空"), 18 PASSWORD_NOT_SAME(400040,"密码不一致"), 19 OLDPASSWORD_ERROR(400050, "旧密码错误"), 20 PARAM_IS_NULL(400060,"参数不能为空"), 21 USERNAME_IS_USED(400070,"用户名已被使用"), 22 UPLOAD_ERROR(400080,"上传失败"), 23 UPLOAD_SUCCESS(0, "图片上传成功"); 24 25 26 private final int value; 27 private final String message; 28 29 ErrorCode(int value, String reasonPhrase) { 30 this.value = value; 31 this.message = reasonPhrase; 32 } 33 34 public int value() { 35 return this.value; 36 } 37 38 public String getMessage(){ 39 return this.message; 40 } 41 }
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