init

2026-03-11 09:44:18 +08:00
commit eeebb2070e
69 changed files with 2191 additions and 0 deletions
@@ -0,0 +1,92 @@
+import CoreImage
+import UIKit
+import Foundation
+import SwiftUICore
+
+public class QR{
+	
+	
+	 
+		static func imageToBase64(_ image: UIImage) -> String {
+			if let imageData = image.jpegData(compressionQuality: 1.0) {
+			    // 使用imageData进行你的操作
+				let base64String = imageData.base64EncodedString(options: [])
+						return base64String
+				
+			}
+			return "";
+			}
+	
+		static func createQrCode(_ data:String,_ size:Int)->String{
+			// 使用示例
+			var b:CGFloat=CGFloat(size);
+			guard let qrCodeImage = QR.generateQRCode(with:data,  qrSize: b)
+			else{
+				return "";
+			}
+			 let q = QR.imageToBase64(qrCodeImage)
+			return q
+		}
+	
+	
+	static func createQrCodeWithLogo(_ data:String,_ size:Int,_ logo: String,_ logoW:Int,_ logoH:Int)->String{
+		// 使用示例
+		var b:CGFloat=CGFloat(size);
+		var w:CGFloat=CGFloat(logoW);
+		var h:CGFloat=CGFloat(logoH);
+		var logoSize:CGSize=CGSize(width: w, height: h)
+		guard let qrCodeImage = QR.generateQRCode(with:data,logoName:logo, logoSize:logoSize, qrSize: b)
+		else{
+			return "";
+		}
+		 let q = QR.imageToBase64(qrCodeImage)
+		return q
+	}
+	// 生成二维码图像，并可选地添加logo
+	     static func generateQRCode(with content: String, logoName: String? = nil, logoSize: CGSize = CGSize(width: 50, height: 50), qrSize: CGFloat = 200) -> UIImage? {
+	              // 1. 生成二维码
+	              guard let qrFilter = CIFilter(name: "CIQRCodeGenerator") else { return nil }
+	              let data = content.data(using: .utf8)
+	              qrFilter.setValue(data, forKey: "inputMessage")
+	              qrFilter.setValue("H", forKey: "inputCorrectionLevel") // 高纠错级别
+	              guard let qrImage = qrFilter.outputImage else { return nil }
+	              
+	              // 2. 调整二维码尺寸
+	              let scaleTransform = CGAffineTransform(scaleX: qrSize / qrImage.extent.size.width, y: qrSize / qrImage.extent.size.height)
+	              let scaledQrImage = qrImage.transformed(by: scaleTransform)
+	              
+	              // 3. 创建UIImage对象
+	              guard let qrUIImage:UIImage? = UIImage(ciImage: scaledQrImage) else { return nil }
+	              
+	              
+	              // if let image: UIImage? = someFunctionThatReturnsUIImage() {
+	              //     // 这里image已经被解包，并且是非空的
+	              // } else {
+	              //     // 处理image为nil的情况
+	              // }
+	              // 4. 添加logo（如果有）
+	              if let logoName = logoName, let logoImage = UIImage(named: logoName) {
+	                  let logoFrame = CGRect(x: (qrUIImage!.size.width - logoSize.width) / 2,
+	                                         y: (qrUIImage!.size.height - logoSize.height) / 2,
+	                                         width: logoSize.width,
+	                                         height: logoSize.height)
+	                  
+	                  UIGraphicsBeginImageContextWithOptions(qrUIImage!.size, false, 0.0)
+	                  qrUIImage?.draw(in: CGRect(origin: .zero, size: qrUIImage!.size))
+	                  logoImage.draw(in: logoFrame)
+	                  let finalImage = UIGraphicsGetImageFromCurrentImageContext()
+	                  UIGraphicsEndImageContext()
+	                  
+	                  return finalImage
+	              }
+	              
+	              // 如果没有logo，直接返回二维码图像
+	              return qrUIImage
+	          }
+	      
+		  
+		  
+		  
+	
+	
+}