第一步:sudo gem update --system
如果失败则用这条语句
sudo gem install -n /usr/local/bin cocoapods
如果是最新版的会出现Latest version currently installed. Aborting.
如果不是会出现
Updating rubygems-update
Fetching: rubygems-update-2.5.0.gem (100%)
Successfully installed rubygems-update-2.5.0
Parsing documentation for rubygems-update-2.5.0
Installing ri documentation for rubygems-update-2.5.0
Installing darkfish documentation for rubygems-update-2.5.0
Installing RubyGems 2.5.0
RubyGems 2.5.0 installed
Parsing documentation for rubygems-2.5.0
Installing ri documentation for rubygems-2.5.0

RubyGems installed the following executables:
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/bin/gem
Ruby Interactive (ri) documentation was installed. ri is kind of like man
pages for ruby libraries. You may access it like this:
ri Classname
ri Classname.class_method
ri Classname#instance_method
If you do not wish to install this documentation in the future, use the
--no-document flag, or set it as the default in your ~/.gemrc file. See
'gem help env' for details.
RubyGems system software updated
第二步：移除旧的ruby
gem sources --remove https://rubygems.org/
成功后会出现source https://rubygems.org/ not present in cache
第三步:安装新的
gem sources -a https://ruby.taobao.org/
成功后会出现https://ruby.taobao.org/ added to sources
第四步：查看gem sources -l
成功后会出现
*** CURRENT SOURCES ***
https://ruby.taobao.org/
第五步:安装
sudo gem install cocoapods
失败的出现结果
Fetching: i18n-0.7.0.gem (100%)
Successfully installed i18n-0.7.0
Fetching: thread_safe-0.3.5.gem (100%)
Successfully installed thread_safe-0.3.5
Fetching: tzinfo-1.2.2.gem (100%)
Successfully installed tzinfo-1.2.2
Fetching: minitest-5.8.3.gem (100%)
Successfully installed minitest-5.8.3
Fetching: activesupport-4.2.5.gem (100%)
Successfully installed activesupport-4.2.5
Fetching: nap-1.0.0.gem (100%)
Successfully installed nap-1.0.0
Fetching: fuzzy_match-2.0.4.gem (100%)
ERROR: While executing gem ... (Errno::EPERM)
Operation not permitted - /usr/bin/fuzzy_match
lihuandeMac-mini:~ lihuan$ pod setup
-bash: pod: command not found
lihuandeMac-mini:~ lihuan$ sudo gem install cocoapods
ERROR: While executing gem ... (Errno::EPERM)
Operation not permitted - /usr/bin/fuzzy_match
这时候我们应该采取如下安装方法
sudo gem install -n /usr/local/bin cocoapods
成功后会出现如下
Successfully installed fuzzy_match-2.0.4
Fetching: cocoapods-core-0.39.0.gem (100%)
Successfully installed cocoapods-core-0.39.0
Fetching: claide-0.9.1.gem (100%)
Successfully installed claide-0.9.1
Fetching: colored-1.2.gem (100%)
Successfully installed colored-1.2
Fetching: xcodeproj-0.28.2.gem (100%)
Successfully installed xcodeproj-0.28.2
Fetching: cocoapods-downloader-0.9.3.gem (100%)
Successfully installed cocoapods-downloader-0.9.3
Fetching: cocoapods-plugins-0.4.2.gem (100%)
Successfully installed cocoapods-plugins-0.4.2
Fetching: cocoapods-search-0.1.0.gem (100%)
Successfully installed cocoapods-search-0.1.0
Fetching: cocoapods-stats-0.6.2.gem (100%)
Successfully installed cocoapods-stats-0.6.2
Fetching: cocoapods-try-0.5.1.gem (100%)
Successfully installed cocoapods-try-0.5.1
Fetching: netrc-0.7.8.gem (100%)
Successfully installed netrc-0.7.8
Fetching: cocoapods-trunk-0.6.4.gem (100%)
Successfully installed cocoapods-trunk-0.6.4
Fetching: molinillo-0.4.0.gem (100%)
Successfully installed molinillo-0.4.0
Fetching: escape-0.0.4.gem (100%)
Successfully installed escape-0.0.4
Fetching: cocoapods-0.39.0.gem (100%)
Successfully installed cocoapods-0.39.0
Parsing documentation for fuzzy_match-2.0.4
Installing ri documentation for fuzzy_match-2.0.4
Parsing documentation for cocoapods-core-0.39.0
Installing ri documentation for cocoapods-core-0.39.0
Parsing documentation for claide-0.9.1
Installing ri documentation for claide-0.9.1
Parsing documentation for colored-1.2
Installing ri documentation for colored-1.2
Parsing documentation for xcodeproj-0.28.2
Installing ri documentation for xcodeproj-0.28.2
Parsing documentation for cocoapods-downloader-0.9.3
Installing ri documentation for cocoapods-downloader-0.9.3
Parsing documentation for cocoapods-plugins-0.4.2
Installing ri documentation for cocoapods-plugins-0.4.2
Parsing documentation for cocoapods-search-0.1.0
Installing ri documentation for cocoapods-search-0.1.0
Parsing documentation for cocoapods-stats-0.6.2
Installing ri documentation for cocoapods-stats-0.6.2
Parsing documentation for cocoapods-try-0.5.1
Installing ri documentation for cocoapods-try-0.5.1
Parsing documentation for netrc-0.7.8
Installing ri documentation for netrc-0.7.8
Parsing documentation for cocoapods-trunk-0.6.4
Installing ri documentation for cocoapods-trunk-0.6.4
Parsing documentation for molinillo-0.4.0
Installing ri documentation for molinillo-0.4.0
Parsing documentation for escape-0.0.4
Installing ri documentation for escape-0.0.4
Parsing documentation for cocoapods-0.39.0
Installing ri documentation for cocoapods-0.39.0
15 gems installed
第六步:查看pod setup
成功后会出现如下Setting up CocoaPods master repo
稍等几分钟会出现如下结果
Setup completed
第七步:开始使用,新建一个项目并且跳转到该项目
cd /Users/lihuan/desktop/TestPods
之后输入vim Podfile
然后键盘输入i
进入编辑模式:例如下
platform:iOS,'7.0'
pod 'MBProgressHUD','~>0.8'
platform:ios,'7.0'
pod 'AFNetworking','~>2.5'
然后输入esc :wq保存退出即可
然后pod install
成功出线如下结果
Updating local specs repositories
Analyzing dependencies
Downloading dependencies
Installing AFNetworking (2.6.3)
完事
注意：
1.安装采用taobao的
$ gem sources -ahttps://ruby.taobao.org/
2.出现这个错误时候解决方案
While executing gem ... (Errno::EPERM) Operation not permitted - /usr/bin/fuzzy_match
解决：
sudo gem install -n /usr/local/bin cocoapods
3.在pod setup后出现这种情况
Setting up CocoaPods master repo
等待下载
Setup completed
在更新三方库时如果存在不能更新指定版本
pod repo remove master然后切换到你的文件目录之后pod setup pod install后在继续执行pod install解决以上问题：欢迎提供更新。