UIScrollView //返回按钮事件 @IBAction func backButtonClick() { self.navigationController?.popViewControllerAnimated(true) } //创建滚动视图 var mainScrollView:UIScrollView! var view1:UIView! var view2:UIView! var view3:UIView! //创建UIPageControl实例 var pageCtrl:UIP
ios swift 实现饼状图进度条 // // ProgressControl.swift // L02MyProgressControl // // Created by plter on 7/29/14. // Copyright (c) 2014 jikexueyuan. All rights reserved. // import UIKit class ProgressControl: UIView { override init(frame: CGRect) { super.ini
gRPC is an universal remote procedure call framework developed by Google that has been gaining interests among many software developers that were developing microservices in recent years because its open source, language neutral, compact binary size,
循环的介绍 在开发中经常会需要循环 常见的循环有:for/while/do while. 这里我们只介绍for/while,因为for/while最常见 for循环的写法 最常规写法 // 传统写法 for var i = 0; i < 10; i++ { print(i) } 区间for循环 for i in 0..<10 { print(i) } for i in 0...10 { print(i) } 特殊写法 如果在for循环中不需要用到下标i for _ in 0..<10 {