From cbdf37567d53de40dfd51eba57aad3cf7095f4fe Mon Sep 17 00:00:00 2001 From: zjj <3272660260@qq.com> Date: 星期二, 29 四月 2025 10:49:59 +0800 Subject: [PATCH] # --- rsf-common/src/main/java/com/vincent/rsf/common/utils/Utils.java | 19 +++++++++++++++++++ 1 files changed, 19 insertions(+), 0 deletions(-) diff --git a/rsf-common/src/main/java/com/vincent/rsf/common/utils/Utils.java b/rsf-common/src/main/java/com/vincent/rsf/common/utils/Utils.java index 06a5b0b..6123a36 100644 --- a/rsf-common/src/main/java/com/vincent/rsf/common/utils/Utils.java +++ b/rsf-common/src/main/java/com/vincent/rsf/common/utils/Utils.java @@ -6,6 +6,7 @@ import java.util.Iterator; import java.util.List; import java.util.Optional; +import java.util.concurrent.ThreadLocalRandom; import java.util.function.BiConsumer; import java.util.function.Function; import java.util.Map; @@ -304,4 +305,22 @@ return processed; } + public static String randomNumbers(int length) { + String baseString = "0123456789"; + + if (length < 1) { + length = 1; + } + + StringBuilder sb = new StringBuilder(length); + int baseLength = baseString.length(); + + for(int i = 0; i < length; ++i) { + int number = ThreadLocalRandom.current().nextInt(baseLength); + sb.append(baseString.charAt(number)); + } + + return sb.toString(); + } + } -- Gitblit v1.9.1