java jad_Java反编译工具 jad安装及使用的指南

引用

教程

解压下载的压缩包到某路径

打开win10的cmd命令行(按键win+r)

进入到jad.exe所在的路径

输入jad example1.class。之后就会在 example1.class所在路径生成一个example1.jad文件。之后用记事本方式打开该文件，或者将example1.jad改为example1.Java，文件内容不变。

或者输入jad -sJava example1.class，反编译结果以.Java为扩展名。

演示

我的jad.exe和Test.class放在桌面。

jad常见用法

一、基本用法

Usage:jad [option(s)]

直接输入类文件名，且支持通配符，如下所示。

c:\Java>jad example1.class

c:\Java>jad *.class

结果是将example1.class反编译为example1.jad。将example1.jad改为example1.Java即得源文件。

二、Option -o

不提示，覆盖源文件

三、Option -s

c:\Java>jad -sJava example1.class

反编译结果以.Java为扩展名。

四、Option -p

将反编译结果输出到屏幕

c:\Java>jad -p example1.class

将反编译结果重定向到文件

c:\Java>jad -p example1.class>example1.Java

五、Option -o

指定反编译的输出文件目录

c:\Java>jad -o -dtest -sJava *.class

jad详细用法

Jad v1.5.8g. Copyright 2001 Pavel Kouznetsov (jad@kpdus.com).

Usage: jad [option(s)]

Options: -a - generate JVM instructions as comments (annotate)

-af - output fully qualified names when annotating

-b - generate redundant braces (braces)

-clear - clear all prefixes, including the default ones

-d- directory for output files

-dead - try to decompile dead parts of code (if there are any)

-dis - disassembler only (disassembler)

-f - generate fully qualified names (fullnames)

-ff - output fields before methods (fieldsfirst)

-i - print default initializers for fields (definits)

-l - split strings into pieces of max chars (splitstr)

-lnc - 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 - don’t generate the source code for methods

-noctor - 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 - ignore Local Variable Table entries (nolvt)

-nonlb - don’t insert a newline before opening brace (nonlb)

-o - overwrite output files without confirmation

-p - 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 - output file extension (default: .jad)

-safe - generate additional casts to disambiguate methods/fields

-space - output space between keyword (if, while, etc) and expression

-stat - show the total number of processed classes/methods/fields

-t - use spaces for indentation (default: 4)

-t - use tabs instead of spaces for indentation

-v - show method names while decompiling

-8 - convert Unicode strings into ANSI strings (ansi)

-& - redirect STDERR to STDOUT

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