1.http://sourceforge.net/projects/jadclipse/??????下載jadclipse,是個jar包，直接放到eclipse\plugins 目錄下，重啟eclipse;
2.
http://www.varaneckas.com/jad??????下載jad.exe,放到一個文件夾下，路徑如d:\temp\jad.exe；
3.在eclipse->window->preferences->java->jadclipse??????右側 [path to decompiler]?輸入 d:\temp\jad.exe
4.eclipse->window->General->Editors->file associations??????右側 [file types] ->add???輸入 *.class ->ok
???選中新加的*.class,下面的[associated editors] 選中[jadclipse class file viewer] -> default ->ok?
???重啟 eclipse;打開一個class文件，即可查看反編譯代碼，歐了