generated from mingliqiye/lib-tem
minglipro
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64 lines
1.8 KiB
Java
64 lines
1.8 KiB
Java
/*
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* Copyright 2025 mingliqiye
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* ProjectName mingli-utils
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* ModuleName mingli-utils.main
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* CurrentFile RandomString.java
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* LastUpdate 2025-09-09 08:37:33
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* UpdateUser MingLiPro
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*/
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package com.mingliqiye.utils.random;
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/**
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* 随机字符串生成工具类
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* 提供生成指定长度随机字符串的功能
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*
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* @author MingLiPro
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*/
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public class RandomString {
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/**
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* 生成指定长度和字符集的随机字符串
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*
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* @param length 要生成的随机字符串长度
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* @param chars 用于生成随机字符串的字符集
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* @return 指定长度的随机字符串
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*/
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public static String randomString(int length, String chars) {
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String[] charsd = chars.split("");
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StringBuilder sb = new StringBuilder(length);
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// 循环生成随机字符并拼接
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for (int i = 0; i < length; i++) {
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int index = RandomInt.randomInt(0, charsd.length - 1);
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sb.append(charsd[index]);
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}
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return sb.toString();
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}
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/**
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* 生成指定长度的随机字符串，使用默认字符集(数字+大小写字母)
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*
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* @param length 要生成的随机字符串长度
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* @return 指定长度的随机字符串
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*/
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public static String randomString(int length) {
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return randomString(
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length,
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"0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
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);
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}
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}
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