反编译 Class 文件的工具——JAD

Reference

• Jad - the fast JAva Decompiler

jad.exe

选项	说明	描述原文
-a	以语句为单位生成 JVM 指令，显示语句	generate JVM instructions as comments (annotate)
-af	注释时输出完全限定名称	output fully qualified names when annotating
-b		generate redundant braces (braces)
-clear		clear all prefixes, including the default ones
-d	输出文件目录	directory for output files
-dead		try to decompile dead parts of code (if there are any)
-dis	把以方法体为单位生成 JVM 指令，不显示语句	disassembler only (disassembler)
-f	生成完全限定的名称	generate fully qualified names (fullnames)
-ff		output fields before methods (fieldsfirst)
-i		print default initializers for fields (definits)
-l		split strings into pieces of maxchars (splitstr)
-lnc	输出原始行号	output original line numbers as comments (lnc)
-lradix		display long integers using the specified radix
-nl		split strings on newline characters (splitstr)
-noconv		don’t convert Java identifiers into valid ones (noconv)
-nocast		don’t generate auxiliary casts
-noclass		don’t convert .class operators
-nocode	不反编译方法体	don’t generate the source code for methods
-noctor	不反编译空参数的构造方法	suppress the empty constructors
-nodos		turn off check for class files written in DOS mode
-nofd		don’t disambiguate fields with the same names (nofldis)
-noinner		turn off the support of inner classes
-nolvt	忽略局部变量表条目方法的参数名、局部变量名都会被混淆	ignore Local Variable Table entries (nolvt)
-nonlb	不要在大括号之前插入换行符	don’t insert a newline before opening brace (nonlb)
-o	覆盖输出文件时不需要确认	overwrite output files without confirmation
-p	在控制台输出不输出文件了	send all output to STDOUT (for piping)
-pa		prefix for all packages in generated source files
-pc		prefix for classes with numerical names (default: _cls)
-pe		prefix for unused exception names (default: _ex)
-pf		prefix for fields with numerical names (default: _fld)
-pi		pack imports into one line using .* (packimports)
-pl		prefix for locals with numerical names (default: _lcl)
-pm		prefix for methods with numerical names (default: _mth)
-pp		prefix for method parms with numerical names (default:_prm)
-pv		pack fields with the same types into one line (packfields)
-r		restore package directory structure
-radix		display integers using the specified radix (8, 10, or 16)
-s	输出文件的扩展名	output file extension (default: .jad)
-safe		generate additional casts to disambiguate methods/fields
-space	关键字 if、while 等和表达式之间的空格	output space between keyword (if, while, etc) and expression
-stat	显示已处理的类/方法/字段的总数	show the total number of processed classes/methods/fields
-t	缩进使用的空格数	usespaces for indentation (default: 4)
-t	使用制表符而不是空格进行缩进	use tabs instead of spaces for indentation
-v	把方法名在方法上面一行顶头打印出来	show method names while decompiling
-8		convert Unicode strings into ANSI strings (ansi)
-&		redirect STDERR to STDOUT