【2013-12-17】设计模式学习笔记：装饰模式

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发布时间：2013-12-17｜ 标题：设计模式学习笔记：装饰模式｜分类：编程 / 设计模式 / java ｜标签：设计模式·java·装饰模式

最近在看《设计模式之禅》这本书，收获良多，作者不愧是工作多年的大牛，将各种设计模式讲解的非常透彻。这里备份下书中的【 装饰模式 】代码：

github：

【 https://github.com/cstriker1407/design_pattern 】

代码：

abstractclassSchoolReport{publicabstractvoidreport();publicabstractvoidsign();}classFinalTestReportextendsSchoolReport{@Overridepublicvoidreport(){System.out.println("final test report");}@Overridepublicvoidsign(){System.out.println("sign here");}}

abstractclassDecoratorSchoolReportextendsSchoolReport{privateSchoolReportreport;publicDecoratorSchoolReport(SchoolReportreport){super();this.report=report;}@Overridepublicvoidreport(){report.report();}@Overridepublicvoidsign(){report.sign();}}classHighScoreDecoratorextendsDecoratorSchoolReport{publicHighScoreDecorator(SchoolReportreport){super(report);}@Overridepublicvoidreport(){System.out.println("show high score before show Final Test result");super.report();}}classSortDecoratorextendsDecoratorSchoolReport{publicSortDecorator(SchoolReportreport){super(report);}@Overridepublicvoidreport(){super.report();System.out.println("show sort number after show Final Test result");}}

测试代码：

publicclassDecoratorTest{publicstaticvoidtest(){SchoolReportsr=newFinalTestReport();sr=newHighScoreDecorator(sr);sr=newSortDecorator(sr);sr.report();}}