class-dump安装及基本使用

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Mac系统10.11添加了新特性Rootless，限制了root用户的权限（/usr/bin，不允许更改）。那就改变环境变量来使用class-dump。

class-dump下载地址

http://stevenygard.com/projects/class-dump/

1、首先在当前用户下新建一个bin目录，在终端里

mkdir ~/bin

2、打开下载好的class-dump的dmg，把里面的文件全部复制到创建的bin目录下，赋予其可执行权限

chmod +x ~/bin/class-dump

3、打开bash_profile文件配置环境变量，在最后一行添加：export PATH=HOME/bin/:PATH

vim ~/.bash_profile

4、添加完之后，执行

source ~/.bash_profile

5、测试是否成功

zhen:~ zhenxb$ class-dumpclass-dump 3.5 (64 bit)Usage: class-dump [options] <mach-o-file>  where options are:        -a             show instance variable offsets        -A             show implementation addresses        --arch <arch>  choose a specific architecture from a universal binary (ppc, ppc64, i386, x86_64, armv6, armv7, armv7s, arm64)        -C <regex>     only display classes matching regular expression        -f <str>       find string in method name        -H             generate header files in current directory, or directory specified with -o        -I             sort classes, categories, and protocols by inheritance (overrides -s)        -o <dir>       output directory used for -H        -r             recursively expand frameworks and fixed VM shared libraries        -s             sort classes and categories by name        -S             sort methods by name        -t             suppress header in output, for testing        --list-arches  list the arches in the file, then exit        --sdk-ios      specify iOS SDK version (will look in /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS<version>.sdk        --sdk-mac      specify Mac OS X version (will look in /Developer/SDKs/MacOSX<version>.sdk        --sdk-root     specify the full SDK root path (or use --sdk-ios/--sdk-mac for a shortcut)

6、class-dump使用
将自己打包的ipa文件，修改后缀名，修改成.zip，然后进行解压

class-dump -H 解压完成的APP的文件路径/你的app.app -o /Users/morris/Desktop/指定生成文件路径

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