本文主要是介绍[iOS]ZBar自定义界面，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
Demo地址：http://download.csdn.net/detail/u012881779/7977507
/* 二维码扫描 */
#import <UIKit/UIKit.h>@interface WXQrCodeScanning : UIViewController@property (weak, nonatomic) IBOutlet UIImageView *imageview; // 边框
@property (weak, nonatomic) IBOutlet UILabel *labelAlert;// 提示
@property (weak, nonatomic) IBOutlet UIButton *cancelBut; // 取消// 扫描
- (void)QRscan;@end#import "WXQrCodeScanning.h"
#import "ZBarSDK.h"
#import "QRCodeGenerator.h"
#import "SZNGTipView.h"@interface WXQrCodeScanning () <ZBarReaderDelegate, UIAlertViewDelegate, UIWebViewDelegate>@property (strong, nonatomic) SZWaitView *waitV; // 等待页面
@property (strong, nonatomic) UIWebView *webView; // 二维码跳转页面
@property (strong, nonatomic) NSString *urlStr; // 链接
@property (strong, nonatomic) ZBarReaderViewController *reader;@end@implementation WXQrCodeScanning
@synthesize imageview = _imageview;
@synthesize waitV = _waitV;
@synthesize webView = _webView;
@synthesize urlStr = _urlStr;
@synthesize reader = _reader;- (void)viewDidLoad {[super viewDidLoad];
}- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {return (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown);
}/**扫描二维码部分：导入ZBarSDK文件并引入一下框架AVFoundation.frameworkCoreMedia.frameworkCoreVideo.frameworkQuartzCore.frameworklibiconv.dylib引入头文件#import “ZBarSDK.h” 即可使用*/
- (void)QRscan {_reader = [ZBarReaderViewController new];_reader.readerDelegate = self;// 非全屏_reader.wantsFullScreenLayout = NO;// 隐藏底部控制按钮_reader.showsZBarControls = NO;// 设置自己定义的界面[self setOverlayPickerView:_reader];ZBarImageScanner *scanner = _reader.scanner;[scanner setSymbology: ZBAR_I25config: ZBAR_CFG_ENABLEto: 0];[self presentViewController:_reader animated:NO completion:nil];
}- (void)setOverlayPickerView:(ZBarReaderViewController *)reader {// 清除原有控件for (UIView *temp in [reader.view subviews]) {for (UIButton *button in [temp subviews]) {if ([button isKindOfClass:[UIButton class]]) {[button removeFromSuperview];}}for (UIToolbar *toolbar in [temp subviews]) {if ([toolbar isKindOfClass:[UIToolbar class]]) {[toolbar setHidden:YES];[toolbar removeFromSuperview];}}}// 提示[_labelAlert removeFromSuperview];[reader.view addSubview:_labelAlert];// 边框[_imageview removeFromSuperview];[_imageview.layer setBorderWidth:1];[_imageview.layer setBorderColor:[[UIColor whiteColor] CGColor]];[reader.view addSubview:_imageview];// 取消操作[_cancelBut removeFromSuperview];_cancelBut.alpha = 0.7;[_cancelBut.layer setCornerRadius:5];[_cancelBut addTarget:self action:@selector(dismissOverlayView:)forControlEvents:UIControlEventTouchUpInside];[reader.view addSubview:_cancelBut];
}// 当找到条形码时，会执行代理方法,最后读取并显示了条形码的图片和内容
- (void) imagePickerController: (UIImagePickerController*) readerdidFinishPickingMediaWithInfo: (NSDictionary*) info {id<NSFastEnumeration> results =[info objectForKey: ZBarReaderControllerResults];ZBarSymbol *symbol = nil;for(symbol in results)break;// _imageview.image =
// [info objectForKey: UIImagePickerControllerOriginalImage];
// [reader dismissViewControllerAnimated:YES completion:nil];// 判断是否包含 头'http:'NSString *regex = @"http+:[^\\s]*";NSPredicate *predicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",regex];// 判断是否包含 头'ssid:'NSString *ssid = @"ssid+:[^\\s]*";;NSPredicate *ssidPre = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",ssid];// 解决ZBar 乱码不需要静态库// 在自己的应用中调用下面的代码处理下获取的string即可// 识别扫描后的信息类型NSString *symbolStr = symbol.data;// zbar是日本人开发的，需要将默认的日文编码改为UTF8，否则扫描“坑爹”和“尼玛啊”等会出现乱码if ([symbolStr canBeConvertedToEncoding:NSShiftJISStringEncoding]){symbolStr = [NSString stringWithCString:[symbolStr cStringUsingEncoding: NSShiftJISStringEncoding] encoding:NSUTF8StringEncoding];}//label.text = symbol.data ;_urlStr = symbolStr;if(_urlStr != nil && ![_urlStr isEqualToString:@""] && symbolStr.length > 7){UIAlertView * alert = [[UIAlertView alloc]initWithTitle:@"提示"message:[NSString stringWithFormat:@"链接:%@",_urlStr]delegate:selfcancelButtonTitle:@"取消"otherButtonTitles:@"跳转", nil];[alert show];}
}// 取消button方法
- (void)dismissOverlayView:(id)sender {[_reader dismissViewControllerAnimated:NO completion:nil];
// [self.view removeFromSuperview];[self.navigationController popViewControllerAnimated:YES];
}#pragma mark UIAlertViewDelegate- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {// 取消if(buttonIndex == 0) {}// 确定if(buttonIndex == 1) {[_reader dismissViewControllerAnimated:NO completion:nil];NSURL *url = [[NSURL alloc] initWithString:_urlStr];_webView.delegate = self;[_webView setFrame:self.view.bounds];[self.view addSubview:_webView];NSURLRequest *request=[ NSURLRequest requestWithURL :url];[_webView loadRequest :request];// 等待页面NSString* msg = @"正在加载，请稍候...";_waitV = [[SZWaitView alloc] initWithString:msg];CGRect theRect = self.view.bounds;theRect.size.height = theRect.size.height + 40;[_waitV setBounds:theRect];_waitV.center = self.view.center;[_waitV setHidden:NO];[self.view addSubview:_waitV];}
}#pragma mark UIWebViewDelegate- (void)webViewDidStartLoad:(UIWebView *)webView {}- (void)webViewDidFinishLoad:(UIWebView *)webView {_waitV.hidden = YES;[_waitV removeFromSuperview];_waitV = nil;
}- (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error {_waitV.hidden = YES;[_waitV removeFromSuperview];_waitV = nil;
}@end图例：
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