/** * Copyright 2015-2025 FLY的狐狸(email:jflyfox@sina.com qq:369191470). * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * */ package com.jflyfox.jfinal.template; import java.util.Random; import java.util.concurrent.atomic.AtomicInteger; public class TemplateFunctions { // //////////////////////////////////产生随机数////////////////////////////////// private static AtomicInteger bgNum = new AtomicInteger(0); public static int bgNum(int num) { if (bgNum.get() > num) { bgNum.set(0); } bgNum.incrementAndGet(); return bgNum.get(); } public static int randomInt() { return new Random().nextInt(); } public static int randomInt(int num) { return new Random().nextInt(num); } }