//控件
    var icon = UIImageView()
    var title = UILabel()

 override init(style: UITableViewCellStyle, reuseIdentifier: String?) {
        super.init(style: style, reuseIdentifier: reuseIdentifier)
//控件实现
        self.addSubview(icon)
        self.addSubview(title)
        
    }

//位置设置
 override func layoutSubviews() {
        super.layoutSubviews()
        //图片框
        let width = self.frame.width
        let height = self.frame.height
        let margin:CGFloat = 10.0//间距
        let iconX = margin
        let iconY = margin
        let iconH = height - 2 * margin
        let iconW = iconH * 1.2
        icon.frame = CGRect(x: iconX, y: iconY, width: iconW, height: iconH)
        icon.backgroundColor = UIColor.yellow
        //文本框
        let titleX = margin * 2 + iconW
        let titleY = margin
        let titleH = iconH
        let titleW = width - titleX - margin
        title.frame = CGRect(x: titleX, y: titleY, width: titleW, height: titleH)
        title.backgroundColor = .red
        
        
        
    }
    
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }