在：
【已解决】用基于Procyon的Luyten反编译安卓jar包得到java源码
之后，折腾：
【未解决】小花生中如何得到getToken的计算逻辑以便得到正确的md5值可以正常请求接口
期间，想要导出jar包的全部代码，结果最后98%的时候，卡死了：
不过又等了半天，好像没有卡死：
有进展和变化了：
但是还是导致电脑太卡了。
-》所以：
去尝试换用命令行Procyon去导出代码试试
去下载
再去看看如何使用
procyon usage
参考：
Decompile a single class to the console. $ java -jar decompiler.jar java.lang.String $ java -DAnsi=true -jar decompiler.jar java.util.Collections Decompile a whole jar to a directory. $ java -jar decompiler.jar -jar myJar.jar -o out
去试试
➜ v3.4.8 java -jar /Users/crifan/dev/dev_tool/android/reverse_engineering/Procyon/procyon-decompiler-0.5.34.jar -jar com.huili.readingclub8825612-dex2jar.jar -o com.huili.readingclub8825612 Decompiling android/support/annotation/AnimRes... Decompiling android/support/annotation/AnimatorRes... ...
然后发现，也挺耗CPU的。。。
只能继续等待了。
不过速度很快，没一会，几分钟就搞定了
对比之下，Luyten要几十分钟，还没完成。
去看看生成的代码：
找到了我们希望的源码：
【总结】
此处用Procyon作为命令行工具去导出一个jar包文件为java源代码的过程是：
1.下载Procyon的jar包
2.用procyon的jar包从你的jar包转换出java代码
java -jar /path/to/procyon-decompiler-0.5.34.jar -jar your_to_decompile.jar -o outputFolderName
举例：
java -jar /Users/crifan/dev/dev_tool/android/reverse_engineering/Procyon/procyon-decompiler-0.5.34.jar -jar com.huili.readingclub8825612-dex2jar.jar -o com.huili.readingclub8825612
即可。
后记：
【无法解决】用Procyon导出某个jar包中指定的包名的代码
不过期间输出了语法帮助：
procyon-decompiler -? Usage: <main class> [options] <type names or class/jar files> Options: -b, --bytecode-ast Output Bytecode AST instead of Java. Default: false -ci, --collapse-imports Collapse multiple imports from the same package into a single wildcard import. Default: false -cp, --constant-pool Includes the constant pool when displaying raw bytecode (unnecessary with -v). Default: false -dl, --debug-line-numbers For debugging, show Java line numbers as inline comments (implies -ln; requires -o). Default: false --disable-foreach Disable 'for each' loop transforms. Default: false -eml, --eager-method-loading Enable eager loading of method bodies (may speed up decompilation of larger archives). Default: false -ent, --exclude-nested Exclude nested types when decompiling their enclosing types. Default: false -ei, --explicit-imports [DEPRECATED] Explicit imports are now enabled by default. This option will be removed in a future release. Default: false -eta, --explicit-type-arguments Always print type arguments to generic methods. Default: false -fsb, --flatten-switch-blocks Drop the braces statements around switch sections when possible. Default: false -fq, --force-qualified-references Force fully qualified type and member references in Java output. Default: false -?, --help Display this usage information and exit. Default: false -jar, --jar-file [DEPRECATED] Decompile all classes in the specified jar file (disables -ent and -s). -lc, --light Use a color scheme designed for consoles with light background colors. Default: false -lv, --local-variables Includes the local variable tables when displaying raw bytecode (unnecessary with -v). Default: false -ll, --log-level Set the level of log verbosity (0-3). Level 0 disables logging. Default: 0 -mv, --merge-variables Attempt to merge as many variables as possible. This may lead to fewer declarations, but at the expense of inlining and useful naming. This feature is experimental and may be removed or become the standard behavior in future releases. Default: false -o, --output-directory Write decompiled results to specified directory instead of the console. -r, --raw-bytecode Output Raw Bytecode instead of Java (to control the level of detail, see: -cp, -lv, -ta, -v). Default: false -ec, --retain-explicit-casts Do not remove redundant explicit casts. Default: false -ps, --retain-pointless-switches Do not lift the contents of switches having only a default label. Default: false -ss, --show-synthetic Show synthetic (compiler-generated) members. Default: false -sm, --simplify-member-references Simplify type-qualified member references in Java output [EXPERIMENTAL]. Default: false -sl, --stretch-lines Stretch Java lines to match original line numbers (only in combination with -o) [EXPERIMENTAL]. Default: false -ta, --type-attributes Includes type attributes when displaying raw bytecode (unnecessary with -v). Default: false --unicode Enable Unicode output (printable non-ASCII characters will not be escaped). Default: false -u, --unoptimized Show unoptimized code (only in combination with -b). Default: false -v, --verbose Includes more detailed output depending on the output language (currently only supported for raw bytecode). Default: false --version Display the decompiler version and exit. Default: false -ln, --with-line-numbers Include line numbers in raw bytecode mode; supports Java mode with -o only. Default: false
以及：
从这些支持的参数中，可以推断：
基于Procyon的Luyten中的菜单中的选项
都是对应着这些参数的
去看了看，果然是的，比如：
对应着此处参数：
-fsb, --flatten-switch-blocks Drop the braces statements around switch sections when possible. Default: false
其他以此类推，都是一样的逻辑：把命令行工具的参数，用菜单选项的形式展示和支持出来了。
转载请注明：在路上 » 【已解决】用Procyon命令行去从jar包导出java源代码