/// 将颜色转换为图片
///
/// - Parameter color: UIColor
/// - Returns: UIImage
func getImageWithColor(color:UIColor)->UIImage{
let rect = CGRect(x: 0, y: 0, width: 1, height: 1)
UIGraphicsBeginImageContext(rect.size)
let context = UIGraphicsGetCurrentContext()
context!.setFillColor(color.cgColor)
context!.fill(rect)
let image = UIGraphicsGetImageFromCurrentImageContext()
UIGraphicsEndImageContext()
return image!
}
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