Step1.使用ZBarSDK 需要导入的framework


1.AVFoundation.framework



2.CoreMedia.framework



3.CoreVideo.framework



4.QuartzCore.framework



5.libiconv.dylib

Step2. 导入头文件并声明使用协议 

#import "ZBarSDK.h"     

<ZBarReaderDelegate>


Step3. coding 

- (IBAction)scan:(id)sender {

    ZBarReaderViewController * reader = [[ZBarReaderViewController alloc] init];
    reader.readerDelegate = self;
<pre name="code" class="objc">    reader.showsZBarControls = YES;


ZBarImageScanner * scanner = reader.scanner; [scanner setSymbology:ZBAR_I25 config:ZBAR_CFG_ENABLE to:0]; [self PResentViewController:reader animated:YES completion:nil];}