Swift之自定义UIView

概述Swift自定义View和OC自定义View的原理都是一样的，重写init()方法或initWithFrame()方法，下面简单说说如何自定义swift UIView 主要是重写init（frame：CGRect)方法，其中required init?(coder aDecoder: NSCoder) 是必不可少的，swift语言强制要求的 //// LoginImgFieldView.swi

Swift自定义view和OC自定义view的原理都是一样的，重写init()方法或initWithFrame()方法，下面简单说说如何自定义swift UIVIEw

主要是重写init（frame：CGRect)方法，其中required init?(coder aDecoder: NSCoder) 是必不可少的，swift语言强制要求的

////  LoginimgFIEldVIEw.swift//  SmartMilk////  Created by mac on 2017/6/9.//  copyright © 2017年 mac. All rights reserved.//import UIKitlet G_headIMAGE_HEIGHT:CGfloat = 30class LoginimgFIEldVIEw: UIVIEw {    var headimgVIEw:UIImageVIEw?    var fIEld:UITextFIEld?    var line:UILabel?                /*    // Only overrIDe draw() if you perform custom drawing.    // An empty implementation adversely affects performance during animation.    overrIDe func draw(_ rect: CGRect) {        // Drawing code    }    *///    overrIDe init(){//        super.init()//        setupSubVIEws()//    }        overrIDe init(frame:CGRect){        super.init(frame: frame)        setupSubVIEws()    }        required init?(coder aDecoder: NSCoder) {        fatalError("init(coder:) has not been implemented")    }        func setupSubVIEws() {                let frame = self.bounds        //uiimageVIEw        headimgVIEw = UIImageVIEw(frame:CGRect(x:0,y:0,wIDth:G_headIMAGE_HEIGHT,height:G_headIMAGE_HEIGHT))        headimgVIEw?.backgroundcolor = UIcolor.blue                //uiTextFIEld        fIEld = UITextFIEld(frame:CGRect(x:0,wIDth:100,height:G_headIMAGE_HEIGHT))//        fIEld?.Font = UIFont.systemFont(ofSize: 15)                //uiLabel                line = UILabel(frame: CGRect(x:0,y:frame.size.height-1,wIDth:frame.size.wIDth,height:1))        line?.backgroundcolor = UIcolor.orange                self.addSubvIEw(headimgVIEw!)        self.addSubvIEw(fIEld!)        self.addSubvIEw(line!)    }            overrIDe func layoutSubvIEws() {        super.layoutSubvIEws()                let frame = self.bounds        let imgY = (frame.size.height - G_headIMAGE_HEIGHT)/2        headimgVIEw?.frame = CGRect(x:0,y:imgY,height:G_headIMAGE_HEIGHT)                //fIEld        let fIEldx = G_headIMAGE_HEIGHT+5        let fIElDWIDth = frame.size.wIDth - fIEldx                fIEld?.frame = CGRect(x: fIEldx,y: imgY,wIDth: fIElDWIDth,height: G_headIMAGE_HEIGHT)                //label        var lineFrame = line?.frame        lineFrame?.origin.y = frame.size.height - 2        lineFrame?.size.wIDth = frame.size.wIDth                line?.frame = lineFrame!            }}

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