PIY(Program It Yourself)是一个基于Java的应用程序开发环境，用户可以不用编写代码就可以创建程序。在PIY中开发的程序可以作为标准Java jar文件而被编译和发布。 来源：http://sourceforge.net/projects/piy/-PIY (Program It Yourself) is a Java-based application development environment, users do not have to write code can