创建Podfile的格式

# Uncomment this line to define a global platform for your project

# platform :ios, '9.0'

target ‘自己工程名' do

# Uncomment this line if you're using Swift or would like to use dynamic frameworks

# use_frameworks!

pod 'MJExtension', '~> 3.0.13'

pod 'SDWebImage', '~> 3.8.2'

# Pods for 自己工程名

end