From 1d53dd8f501a98ddcce8146443b51b357ef5f9b1 Mon Sep 17 00:00:00 2001 From: 13693261870 <252740454@qq.com> Date: 星期四, 29 十二月 2022 16:55:46 +0800 Subject: [PATCH] 1 --- src/main/java/com/lf/server/helper/StringHelper.java | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++++--- 1 files changed, 52 insertions(+), 3 deletions(-) diff --git a/src/main/java/com/lf/server/helper/StringHelper.java b/src/main/java/com/lf/server/helper/StringHelper.java index 098a365..d9235ef 100644 --- a/src/main/java/com/lf/server/helper/StringHelper.java +++ b/src/main/java/com/lf/server/helper/StringHelper.java @@ -4,6 +4,7 @@ import java.text.SimpleDateFormat; import java.util.Date; +import java.util.List; import java.util.regex.Matcher; import java.util.regex.Pattern; @@ -30,12 +31,12 @@ /** * 鏍煎紡鍖栧綋鍓嶇郴缁熸棩鏈� 3 */ - public static final SimpleDateFormat YMD__FORMAT = new SimpleDateFormat("yyyyMMdd_"); + 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 YMD_HM_FORMAT = new SimpleDateFormat("yyyyMMdd_HHmm"); + public static final SimpleDateFormat YMDHMS2_FORMAT = new SimpleDateFormat("yyyyMMddHHmmss"); /** * 鍒ゆ柇瀛楃涓�,鏄惁涓烘暣鏁� @@ -110,7 +111,7 @@ * 瀛楃涓�,鏄惁涓虹┖null鍜岀┖鏍� */ public static boolean isEmpty(String str) { - return str == null || "".equals(str.trim()); + return null == str || "".equals(str.trim()); } /** @@ -118,6 +119,27 @@ */ public static String getLikeStr(String str) { return StringHelper.isEmpty(str) ? null : "%" + str.trim() + "%"; + } + + /** + * 鑾峰彇 like 瀛楃涓�-2 + */ + public static String getLikeStr2(String str) { + return StringHelper.isEmpty(str) ? "%" : "%" + str.trim() + "%"; + } + + /** + * 鑾峰彇鍥惧舰鐨刉KT瀛楃涓� + * + * @param wkt + * @return + */ + public static String getGeomWkt(String wkt) { + if (StringHelper.isEmpty(wkt)) { + return "null"; + } + + return String.format("ST_GeomFromText('%s')", wkt); } /** @@ -155,4 +177,31 @@ public static boolean checkPwdValid(String pwd) { return Pattern.matches(StaticData.PWD_REG, pwd); } + + /** + * 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() + join); + } + } + + if (sb.length() > 0 && sb.lastIndexOf(join) == sb.length() - 1) { + sb.deleteCharAt(sb.length() - 1); + } + + return sb.toString(); + } } -- Gitblit v1.9.3