Swift 生成二维码

最新推荐文章于 2024-05-17 10:04:23 发布

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最新推荐文章于 2024-05-17 10:04:23 发布

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文章标签： swift

原文链接：https://juejin.im/post/5cd9630ce51d456e8240dda9

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func generateQRCode(str: String) -> UIImage? {
    
    let data = str.data(using: String.Encoding.ascii)
    
    guard let filter = CIFilter(name: "CIQRCodeGenerator") else { return nil }
    
    filter.setValue(data, forKey: "inputMessage")
    
    let transform = CGAffineTransform(scaleX: 9, y: 9)
    
    guard let output = filter.outputImage?.transformed(by: transform) else { return nil }
    
    return UIImage(ciImage: output)
}
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转载自 www.hackingwithswift.com

转载于:https://juejin.im/post/5cd9630ce51d456e8240dda9