pod 'CIQRCodeGenerator', '~> 1.0.1'

CGFloat codeWidth = 150;
  
CIQRCodeGeneratorView *codeGenrator = [[CIQRCodeGeneratorView alloc] initWithFrame:CGRectMake((self.view.frame.size.width - codeWidth) / 2.0, (self.view.frame.size.height - codeWidth) / 2.0, codeWidth, codeWidth)];
  
//生成普通的高清二维码<br/>
BOOL success = [codeGenrator generatedCIQRCodeWithAddress:@"http://www.baidu.com"];
  
//生成带颜色的高清二维码<br/>
success = [codeGenrator generatedCIQRCodeWithAddress:@"http://www.baidu.com" withHexColorString:@"#FF0000"];