iOS如何實現掃描二維碼：
首先導入AVFoundation.framework，CoreMedia.framework，CoreVideo.framework，QuartzCore.framework
本實例採用storyboard拖拽控件的方法，節省代碼：
在.m中：
#import "ViewController.h"
#import "ZBarSDK.h"
@interfaceViewController ()<ZBarReaderDelegate,UIAlertViewDelegate>
@property (strong,nonatomic) IBOutletUIImageView *myimage;
@property (strong,nonatomic) IBOutletUILabel *mylabel;
@property(nonatomic,strong)UIAlertView *myAlert;
@end
@implementation ViewController
- (void)viewDidLoad {
[superviewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
}
//掃描方法
- (IBAction)saomiao:(id)sender
{
//彈出掃描界面
ZBarReaderViewController *readerVC = [ZBarReaderViewControllernew];
readerVC.readerDelegate =self;
//掃描圖片
ZBarImageScanner *sanner = readerVC.scanner;
[sanner setSymbology:ZBAR_I25config:ZBAR_CFG_ENABLEto:0];
//展示圖片
readerVC.showsZBarControls =YES;
//調用相機進行掃描
[selfpresentViewController:readerVC animated:YEScompletion:^{
}];
}
//當掃描完後，調用的方法.，使用圖片
-(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
//獲取結果
id<NSFastEnumeration> results = [infoobjectForKey:ZBarReaderControllerResults];
ZBarSymbol *symbol;
//搜尋結果
for (symbol in results) {
break;
}
//在結果中付圖片
self.myimage.image = [info objectForKey:UIImagePickerControllerOriginalImage];
[picker dismissViewControllerAnimated:YEScompletion:^{
}];
//判斷是二維碼還是條形碼
if ([[symbol.datasubstringToIndex:4]isEqualToString:@"http"]) {
self.myAlert = [[UIAlertViewalloc]initWithTitle:@"提示"message:symbol.datadelegate:selfcancelButtonTitle:@"取消"otherButtonTitles:@"前往",nil];
[self.myAlertshow];
}else {
self.myAlert = [[UIAlertViewalloc]initWithTitle:@"提示"message:symbol.datadelegate:selfcancelButtonTitle:nilotherButtonTitles:@"確定",nil];
[self.myAlertshow];
}
self.mylabel.text = symbol.data;
}
- (IBAction)qianwang:(id)sender
{
}
- (void)didReceiveMemoryWarning {
[superdidReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end