[!] No `Podfile' found in the project directory.

1.cd ios/

2.vim Podfile（创建Podfile）且输入内容

source'https://github.com/CocoaPods/Specs.git'
platform:ios,'8.0'
inhibit_all_warnings!
target 'testDemo' do
pod 'AFNetworking', '~> 2.6.0'
end

3.按esc

4.再输入:wq（走完第三步后无需找位置输入:wq，输入就行）

5.pod install