Download and install the jd
JD-GUIisastandalonegraphicalutilitythatdisplaysJavasourcecodesof“.class”files.YoucanbrowsethereconstructedsourcecodewiththeJD-GUI.,jd-gui可以反编译class文件,有图形化界面。下载地址:http://java-decompiler.github.io/在download页面下载jd-gui-1.x.x....。參考影片的文章的如下: