#import "CLScanCodeManeger.h"

// 设置扫描识别区域(不是必要操作)
[[CLScanCodeManeger manager] setRecognitionAreaRect:self.scanView.frame];

// 显示预览（必要操作）
[[CLScanCodeManeger manager] loadWithView:self.view resultHandler:^(NSString * _Nonnull result) {
    // 可以执行跳转到指定页了
    
}];

- (void)viewWillAppear:(BOOL)animated {
  [super viewWillAppear:animated];
  // 开始扫描
  [[CLScanCodeManeger manager] startScan];
}

- (void)viewWillDisappear:(BOOL)animated {
  [super viewWillDisappear:animated];
  // 停止扫描
  [[CLScanCodeManeger manager] stopScan];
}