Installation and use of cocoapods

Installing today cocoapods What happened when I was a kid ：
First installation cocoapods Execute the command line ：sudo gem install cocoapods
There will be this mistake ：

ERROR:  Could not find a valid gem 'cocoapods' (>= 0), here is why:
          Unable to download data from https://rubygems.org/ - Errno::ECONNREFUSED: Connection refused - connect(2) (https://rubygems.org/quick/Marshal.4.8/cocoapods-0.37.1.gemspec.rz)
ERROR:  Possible alternatives: cocoapods

This is because service By the wall , I want another one sources：

gem sources --remove https://rubygems.org/
gem sources -a http://ruby.taobao.org/
gem sources -l

If the printed thing is ：

http://ruby.taobao.org

Then perform the installation cocoapods command ：

sudo gem install cocoapods

Then you will see the installation process , Then congratulations on your completion ！！！

Next, create a new project QZProject

$ cd xxxxxx

xxxxxx For project directory , Just drag the project to the terminal
newly build Podfile file

$ vim Podfile

Input i Enter editing status , Current high version Podfie Written like this

$ platform: ios,'8.0'
$ target 'QZProject' do
$ pod 'SDAutoLayout'
$ end

Knock after completion esc then ：wq（ Save and exit ）
Last

$ pod install

complete

When you encounter a problem ：

It can be solved in this way ：
stay Podfile Add to file ：

use_frameworks!

that will do ！！！
Continuous updating