swift 弹出pickview实例
https://github.com/skywinder/ActionSheetPicker-3.0/blob/master/Example%20Projects/Swift-Example/Swift-Example/ViewControllers/SWTableViewController.swift
swift 弹出pickview实例
https://github.com/skywinder/ActionSheetPicker-3.0/blob/master/Example%20Projects/Swift-Example/Swift-Example/ViewControllers/SWTableViewController.swift