2025年最新JD-GUI安装指南：轻松反编译Java JAR文件的详细步骤

jd-gui介绍

JD-GUI反编译工具是非常轻量化的，且开源的反编译工具。

安装

下载：

   打开官网： http://java-decompiler.github.io/ ， 根据自己的操作系统下载对应的安装包

windows

windows下载 jd-gui-windows-1.6.6.zip 解压后可以直接运行。

mac

下载jd-gui-osx-1.6.6.tar

常见问题处理（mac）

问题一

ERROR launching ‘JD-GUI’ No suitable Java version found on your system!
This program requires Java 1.8+
Make sure you install the required Java versio

解决方案

1. 确保自己电脑上的jdk安装正确
2. 右键点击JD-GUI.app, 显示包内容
   
3. 找到universalJavaApplicationStub.sh文件， 替换为以下内容
   

#!/bin/bash
##################################################################################
#                                                                                #
# universalJavaApplicationStub                                                   #
#                                                                                #
# A BASH based JavaApplicationStub for Java Apps on Mac OS X                     #
# that works with both Apple's and Oracle's plist format.                        #
#                                                                                #
# Inspired by Ian Roberts stackoverflow answer                                   #
# at http://stackoverflow.com/a/17546508/1128689                                 #
#                                                                                #
# @author    Tobias Fischer                                                      #
# @url       https://github.com/tofi86/universalJavaApplicationStub              #
# @date      2021-02-21                                                          #
# @version   3.2.0                                                               #
#                                                                                #
##################################################################################
#                                                                                #
# The MIT License (MIT)                                                          #
#                                                                                #
# Copyright (c) 2014-2021 Tobias Fischer                                         #
#                                                                                #
# Permission is hereby granted, free of charge, to any person obtaining a copy   #
# of this software and associated documentation files (the "Software"), to deal  #
# in the Software without restriction, including without limitation the rights   #
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell      #
# copies of the Software, and to permit persons to whom the Software is          #
# furnished to do so, subject to the following conditions:                       #
#                                                                                #
# The above copyright notice and this permission notice shall be included in all #
# copies or substantial portions of the Software.                                #
#                                                                                #
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR     #
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,       #
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE    #
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER         #
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,  #
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE  #
# SOFTWARE.                                                                      #
#                                                                                #
##################################################################################
 
 
 
# function 'stub_logger()'
#
# A logger which logs to the macOS Console.app using the 'syslog' command
#
# @param1  the log message
# @return  void
################################################################################
function stub_logger() {
   
	syslog -s -k \
		Facility com.apple.console \
		Level Notice \
		Sender "$(basename "$0")" \
		Message "[$$][${CFBundleName:-$(basename "$0")}] $1"
}
 
 
 
# set the directory abspath of the current
# shell script with symlinks being resolved
############################################
 
PRG=$0
while [ -h "$PRG" ]; do
	ls=$(ls -ld "$PRG")
	link=$(expr "$ls" : '^.*-> \(.*\)$' 2>/dev/null)
	if expr "$link" : '^/' 2> /dev/null >/dev/null; then
		PRG="$link"
	else
		PRG="$(dirname "$PRG")/$link"
	fi
done
PROGDIR=$(dirname "$PRG")
stub_logger "[StubDir] $PROGDIR"
 
 
 
# set files and folders
############################################
 
# the absolute path of the app package
cd "$PROGDIR"/../../ || exit 11
AppPackageFolder=$(pwd)
 
# the base path of the app package
cd .. || exit 12
AppPackageRoot=$(pwd)
 
# set Apple's Java folder
AppleJavaFolder="${AppPackageFolder}"/Contents/Resources/Java
 
# set Apple's Resources folder
AppleResourcesFolder="${AppPackageFolder}"/Contents/Resources
 
# set Oracle's Java folder
OracleJavaFolder="${AppPackageFolder}"/Contents/Java
 
# set Oracle's Resources folder
OracleResourcesFolder="${AppPackageFolder}"/Contents/Resources
 
# set path to Info.plist in bundle
InfoPlistFile="${AppPackageFolder}"/Contents/Info.plist
 
# set the default JVM Version to a null string
JVMVersion=""
JVMMaxVersion=""
 
 
 
# function 'plist_get()'
#
# read a specific Plist key with 'PlistBuddy' utility
#
# @param1  the Plist key with leading colon ':'
# @return  the value as String or Array
################################################################################
plist_get(){
   
	/usr/libexec/PlistBuddy -c "print $1" "${InfoPlistFile}" 2> /dev/null
}
 
# function 'plist_get_java()'
#
# read a specific Plist key with 'PlistBuddy' utility
# in the 'Java' or 'JavaX' dictionary (<dict>)
#
# @param1  the Plist :Java(X):Key with leading colon ':'
# @return  the value as String or Array
################################################################################
plist_get_java(){
   
	plist_get ${JavaKey:-":Java"}$1
}
 
 
 
# read Info.plist and extract JVM options
############################################
 
# read the program name from CFBundleName
CFBundleName=$(plist_get ':CFBundleName')
 
# read the icon file name
CFBundleIconFile=$(plist_get ':CFBundleIconFile')
 
 
# check Info.plist for Apple style Java keys -> if key :Java is present, parse in apple mode
/usr/libexec/PlistBuddy -c "print :Java" "${InfoPlistFile}" > /dev/null 2>&1
exitcode=$?
JavaKey=":Java"
 
# if no :Java key is present, check Info.plist for universalJavaApplication style JavaX keys -> if key :JavaX is present, parse in apple mode
if [ $exitcode -ne 0 ]; then
	/usr/libexec/PlistBuddy -c "print :JavaX" "${InfoPlistFile}" > /dev/null 2>&1
	exitcode=$?
	JavaKey=":JavaX"
fi
 
 
# read 'Info.plist' file in Apple style if exit code returns 0 (true, ':Java' key is present)
if [ $exitcode -eq 0 ]; then
	stub_logger "[PlistStyle] Apple"
 
	# set Java and Resources folder
	JavaFolder="${AppleJavaFolder}"
	ResourcesFolder="${AppleResourcesFolder}"
 
	# set expandable variables
	APP_ROOT="${AppPackageFolder}"
	APP_PACKAGE="${AppPackageFolder}"
	JAVAROOT="${AppleJavaFolder}"
	USER_HOME="$HOME"
 
 
	# read the Java WorkingDirectory
	JVMWorkDir=$(plist_get_java ':WorkingDirectory' | xargs)
	# set Working Directory based upon PList value
	if [[ ! -z ${JVMWorkDir} ]]; then
		WorkingDirectory="${JVMWorkDir}"
	else
		# AppPackageRoot is the standard WorkingDirectory when the script is started
		WorkingDirectory="${AppPackageRoot}"
	fi
	# expand variables $APP_PACKAGE, $APP_ROOT, $JAVAROOT, $USER_HOME
	WorkingDirectory=$(eval echo "${WorkingDirectory}")
 
 
	# read the MainClass name
	JVMMainClass="$(plist_get_java ':MainClass')"
 
	# read the SplashFile name
	JVMSplashFile=$(plist_get_java ':SplashFile')
 
	# read the JVM Properties as an array and retain spaces
	IFS=$'\t\n'
	JVMOptions=($(xargs -n1 <<<$(plist_get_java ':Properties' | grep