Swift 开发教程之利用 泛型 便利 xib 的加载过程

swift 开发教程之利用 泛型 便利 xib 的加载过程。

//
//  uiview+extension.swift
//  basicswift
//
//  created by coderzywang on 2017/11/28.
//  copyright © 2017年 hc. all rights reserved.
//

import uikit

/// 加载 uiview 类型的 xib
func loadnib(_ : t.type) -> t where t: uiview {
    return bundle.main.loadnibnamed("\(t.self)", owner: nil, options: nil)?.first as! t
}

/// 加载 uiview 类型的 xib（并设置 frame 参数）
func loadnib(_ : t.type, frame: cgrect) -> t where t: uiview {
    let tview = loadnib(viewtype)
    tview.frame = frame
    return tview
}

 

 

//
//  homeviewcontroller.swift
//  basicswift
//
//  created by coderzywang on 2017/11/27.
//  copyright © 2017年 hc. all rights reserved.
//

import uikit

class homeviewcontroller: uiviewcontroller {
    override func viewdidload() {
        setupui()
    }
}

extension homeviewcontroller {
    func setupui() {
        view.backgroundcolor = uicolor(hex: "ff5a39", alpha: 0.5)
    
        let laolaoview = loadnib(laolaoview.self, frame: cgrect(x: 20, y: 220, width: 300, height: 150))
        view.addsubview(laolaoview)
        
        let laolaoview02 = loadnib(laolaoview.self)
        view.addsubview(laolaoview02)
        laolaoview02.frame = cgrect(x: 20, y: 400, width: 200, height: 120)
    }
}