for迴圈佈局多個檢視

        self.layoutIfNeeded()
        let Magin_X = 15
        let ImgView_W = (KScreen_Width - 250 - Magin_X * 5) / 4
        
        var tempView: UIImageView?;
        
        for i in 1...4 {
            let imgView = UIImageView()
            imgView.backgroundColor = UIColor.lightGray
            self.addSubview(imgView)
            imgView.snp.makeConstraints { (make) in
                make.width.height.equalTo(ImgView_W)
                make.centerY.equalTo(albumTitleLabel)

                if (tempView == nil) {
                    make.left.equalTo(albumTitleLabel.snp.right)
                }else {
                    make.left.equalTo((tempView?.snp.right)!).offset(5)
                }

            }
            tempView = imgView;
        }