swift 代码添加image

        let image_ElectricianBtn = UIImage(named: "ElectricianBtn")

        let vimage_ElectricianBtn = UIImageView(image: image_ElectricianBtn)

        vimage_ElectricianBtn.frame = CGRect(x: 0, y:0, width: 50, height: 50)

        self.view.addSubview(vimage_ElectricianBtn)