自动抽奖程序，将代码中分别属于JChouJiang.java, Firstfr a me.java和CJWindow.java三个文件的代码分别存为三个java文件，即可运行。-Automatic draw procedure to the code belonging to JChouJiang.java, Firstfr a me.java and CJWindow.java three documents were saved as three java code files to run