From 452a1b0848222ecb9b6421294567a6d76de57d8a Mon Sep 17 00:00:00 2001 From: 13693261870 <252740454@qq.com> Date: 星期四, 24 十一月 2022 20:11:57 +0800 Subject: [PATCH] 1 --- src/main/java/com/lf/server/helper/StringHelper.java | 26 ++++++++++++++++++++++++++ 1 files changed, 26 insertions(+), 0 deletions(-) diff --git a/src/main/java/com/lf/server/helper/StringHelper.java b/src/main/java/com/lf/server/helper/StringHelper.java index 912e0e9..5b4a6b6 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; @@ -162,4 +163,29 @@ public static boolean checkPwdValid(String pwd) { return Pattern.matches(StaticData.PWD_REG, pwd); } + + /** + * 杩炴帴List闆嗗悎 + * @param list 鏁存暟闆嗗悎 + * @param join 杩炴帴瀛楃 + * @return + */ + public static String join(List<Integer> list, String join) { + if (null == list || list.isEmpty()) { + return ""; + } + + StringBuilder sb = new StringBuilder(); + for (Integer i : list) { + if (null != i) { + sb.append(i.toString() + join); + } + } + + if (sb.length() > 0 && sb.lastIndexOf(join) == sb.length() - 1) { + sb.deleteCharAt(sb.length() -1 ); + } + + return sb.toString(); + } } -- Gitblit v1.9.3