Idea decompiles the entire jar package source code

One 、 Guarantee your idea The following plug-ins are configured Java Bytecode Decomplier：

File–>Settings–>Plugins, Check... After searching in the search box , And Application .
Two 、 When you need to compile jar Package directory , Open the command line interface , Enter the following command ：
E:\lib>java -cp “D:\ideaIU-2017.1.1\plugins\java-decompiler\lib\java-decompiler.jar” org.jetbrains.java.decompiler.main.decompiler.ConsoleDecompiler -dgs=true com.prosysopc.ua-2.2.0.jar mysrc

After the instructions are run , Will be in the directory you have made （ The sample is mysrc） The packaged source code generated in , It's usually jar Format of compressed files . You can decompress and view .
3、 ... and 、 The bottom layer is to use fernflower Realized ：
https://github.com/fesh0r/fernflower Interested friends , You can go to github Check the source code on .

repair 220128
I see the feedback from elder brother below jdk Version of the problem , Here is a decompiler class Document version and required jdk Version correspondence :
49 = Java 5
50 = Java 6
51 = Java 7
52 = Java 8
53 = Java 9
54 = Java 10
55 = Java 11
56 = Java 12
57 = Java 13
58 = Java 14
59 = Java 15
60 = Java 16
There are more questions , Welcome to feedback in the comments area .