From b5326f8d497a6f6e97a487cb9c565fdae1dc4790 Mon Sep 17 00:00:00 2001 From: 13693261870 <252740454@qq.com> Date: 星期四, 12 九月 2024 17:32:55 +0800 Subject: [PATCH] 添加基础类 --- src/main/java/com/se/simu/helper/StringHelper.java | 253 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 253 insertions(+), 0 deletions(-) diff --git a/src/main/java/com/se/simu/helper/StringHelper.java b/src/main/java/com/se/simu/helper/StringHelper.java new file mode 100644 index 0000000..067ae87 --- /dev/null +++ b/src/main/java/com/se/simu/helper/StringHelper.java @@ -0,0 +1,253 @@ +package com.se.simu.helper; + +import java.sql.Timestamp; +import java.text.SimpleDateFormat; +import java.util.ArrayList; +import java.util.Date; +import java.util.List; +import java.util.UUID; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +/** + * 瀛楃涓插府鍔╃被 + * + * @author WWW + * @date 2024-09-12 + */ +public class StringHelper { + public final static String COMMA = ","; + + public final static String PWD_REG = "^(?![a-zA-Z]+$)(?![A-Z0-9]+$)(?![A-Z\\W!@#$%^&*`~()\\-_+=,.?;<>]+$)(?![a-z0-9]+$)(?![a-z\\W!@#$%^&*`~()\\-_+=,.?;<>]+$)(?![0-9\\W!@#$%^&*`~()\\-_+=,.?;<>]+$)[a-zA-Z0-9\\W!@#$%^&*`~()\\-_+=,.?;<>]{12,20}$"; + + /** + * 鏁板瓧姝e垯 + */ + public static final Pattern NUMBER_PATTERN = Pattern.compile("-?\\d+(\\.\\d+)?"); + + /** + * 鏍煎紡鍖栧綋鍓嶇郴缁熸棩鏈� 1 + */ + public static final SimpleDateFormat YMD_FORMAT = new SimpleDateFormat("yyyy-MM-dd"); + + /** + * 鏍煎紡鍖栧綋鍓嶇郴缁熸棩鏈� 2 + */ + public static final SimpleDateFormat YMDHMS_FORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); + + /** + * 鏍煎紡鍖栧綋鍓嶇郴缁熸棩鏈� 3 + */ + public static final SimpleDateFormat YMD2_FORMAT = new SimpleDateFormat("yyyyMMdd"); + + /** + * 鏍煎紡鍖栧綋鍓嶇郴缁熸棩鏈� 4 + */ + public static final SimpleDateFormat YMDHMS2_FORMAT = new SimpleDateFormat("yyyyMMddHHmmss"); + + /** + * 鍒ゆ柇瀛楃涓�,鏄惁涓烘暣鏁� + */ + public static boolean isInteger(String str) { + return str != null && str.matches("[0-9]+"); + } + + /** + * 鍒ゆ柇瀛楃涓�,鏄惁涓烘诞鐐规暟 + */ + public static boolean isNumeric(String str) { + return str != null && str.matches("-?\\d+(\\.\\d+)?"); + } + + /** + * 鍒ゆ柇瀛楃涓�,鏄惁涓烘诞鐐规暟 + */ + public static boolean isNumeric2(String str) { + return str != null && NUMBER_PATTERN.matcher(str).matches(); + } + + /** + * 鏃ユ湡姝e垯 + */ + public static Pattern datePattern = Pattern.compile("^((\\d{2}(([02468][048])|([13579][26]))[\\-\\/]((((0?[13578])|(1[02]))[\\-\\/]((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\\-\\/]((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/]((0?[1-9])|([1-2][0-9])))))|(\\d{2}(([02468][1235679])|([13579][01345789]))[\\-\\/]((((0?[13578])|(1[02]))[\\-\\/]((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\\-\\/]((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/]((0?[1-9])|(1[0-9])|(2[0-8]))))))(\\s(((0?[0-9])|([1-2][0-3]))\\:([0-5]?[0-9])((\\s)|(\\:([0-5]?[0-9])))))?$"); + + /** + * SQL姝e垯 + */ + public static Pattern sqlPattern = Pattern.compile("|and|exec|execute|insert|select|delete|update|count|drop|\\*|%|chr|mid|master|truncate|char|declare|sitename|net user|xp_cmdshell|;|or|-|\\+|,|like"); + + /** + * 瀛楃涓茶浆涓烘棩鏈� + */ + public static Date parseDate(String str) { + try { + return YMD_FORMAT.parse(str); + } catch (Exception ex) { + return null; + } + } + + /** + * 瀛楃涓茶浆涓烘棩鏈熸椂闂� + */ + public static Date parseTime(String str) { + try { + return YMDHMS_FORMAT.parse(str); + } catch (Exception e) { + return null; + } + } + + /** + * 鍒ゆ柇鍊兼槸鍚︿负鏃ユ湡鏍煎紡 + */ + public static boolean isDate(String strDate) { + Matcher m = datePattern.matcher(strDate); + + return m.matches(); + } + + /** + * 瀛楃涓诧紝鏄惁涓簄ull 鎴� "" + */ + public static boolean isNull(String str) { + return null == str || str.length() == 0; + } + + /** + * 瀛楃涓�,鏄惁涓虹┖null鍜岀┖鏍� + */ + public static boolean isEmpty(String str) { + return null == str || "".equals(str.trim()); + } + + /** + * 鑾峰彇 like 瀛楃涓� + */ + public static String getLikeStr(String str) { + return isEmpty(str) ? null : "%" + str.trim() + "%"; + } + + /** + * 鑾峰彇 like 瀛楃涓� + */ + public static String getLikeUpperStr(String str) { + return isEmpty(str) ? null : "%" + str.trim().toUpperCase() + "%"; + } + + /** + * 鑾峰彇 鍙砽ike 瀛楃涓� + */ + public static String getRightLike(String str) { + return isEmpty(str) ? null : str.trim() + "%"; + } + + /** + * 鑾峰彇鍥惧舰鐨刉KT瀛楃涓� + */ + public static String getGeomWkt(String wkt) { + if (isEmpty(wkt)) { + return "null"; + } + + return String.format("ST_GeomFromText('%s')", wkt); + } + + /** + * 棣栧瓧姣嶅ぇ鍐� + */ + public static String firstCharToUpperCase(String str) { + return str.substring(0, 1).toUpperCase() + str.substring(1); + } + + /** + * 棣栧瓧姣嶅皬鍐� + */ + public static String firstCharToLowerCase(String str) { + return str.substring(0, 1).toLowerCase() + str.substring(1); + } + + /** + * 鍒ゆ柇鍊兼槸鍚﹀瓨鍦⊿QL娉ㄥ叆 + * + * @param str 瀛楃涓� + * @return 鏄�/鍚� + */ + public static boolean isSqlInjection(String str) { + if (null == str) { + return false; + } + + Matcher m = sqlPattern.matcher(str); + + return m.matches(); + } + + /** + * 鏍¢獙瀵嗙爜鏄�/鍚﹀悎娉� + * + * @param pwd 瀵嗙爜 + * @return 鏄�/鍚︿负鏃犳晥鐨� + */ + public static boolean isPwdInvalid(String pwd) { + return !Pattern.matches(PWD_REG, pwd); + } + + /** + * 鑾峰彇GUID + */ + public static String getGuid() { + return UUID.randomUUID().toString(); + } + + /** + * 鑾峰彇鍒嗛挓宸暟 + */ + public static long getMinuteDifference(Timestamp ts) { + return (ts.getTime() - System.currentTimeMillis()) / 1000 / 60; + } + + /** + * 杩炴帴List闆嗗悎 + * + * @param list list 鏁存暟闆嗗悎 + * @param join join 杩炴帴瀛楃 + * @param <T> 娉涘瀷绫� + * @return 瀛楃涓� + */ + public static <T> String join(List<T> list, String join) { + if (null == list || list.isEmpty()) { + return ""; + } + + StringBuilder sb = new StringBuilder(); + for (T t : list) { + if (null != t) { + sb.append(t.toString()).append(join); + } + } + + if (sb.length() > 0 && sb.lastIndexOf(join) == sb.length() - join.length()) { + // 鍒犻櫎浠庣储寮� start 寮�濮嬪埌 end 涔嬮棿鐨勫瓧绗︼紝鍗� 鍓嶅寘鎷� 鍚庝笉鍖呮嫭銆� + sb.delete(sb.length() - join.length(), sb.length()); + } + + return sb.toString(); + } + + /** + * 瀛楃涓茶浆鏁存暟闆嗗悎 + */ + public static List<Integer> strToIntegers(String str) { + if (isEmpty(str)) { + return null; + } + + List<Integer> list = new ArrayList<>(); + for (String s : str.split(COMMA)) { + list.add(Integer.parseInt(s)); + } + + return list; + } +} -- Gitblit v1.9.3