/** * Copyright (c) 2011-2019, James Zhan 詹波 (jfinal@126.com). * * 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.jfinal.template.ext.directive; import java.io.IOException; import com.jfinal.template.Directive; import com.jfinal.template.Env; import com.jfinal.template.TemplateException; import com.jfinal.template.io.Writer; import com.jfinal.template.stat.Scope; /** * 输出 int 型随机数 */ public class RandomDirective extends Directive { private java.util.Random random = new java.util.Random(); public void exec(Env env, Scope scope, Writer writer) { try { writer.write(random.nextInt()); } catch (IOException e) { throw new TemplateException(e.getMessage(), location, e); } } }