假设你不知道ZBarSDK怎么用，请下载demo
http://download.csdn.net/detail/u013686641/7858917
假设你已经配置好ZBarSDK 。那么以下这个类能够直接用
以下是效果图
//
// 头文件
// TestProject
//
#import <UIKit/UIKit.h>
#import "ZBarSDK.h"
@interface yxpQrCode :UIViewController
@end
//
// 实现文件
// TestProject
//
#import "yxpQrCode.h"
#define SCANVIEW_EdgeTop
40.0
#define SCANVIEW_EdgeLeft
50.0
#define TINTCOLOR_ALPHA
0.2 //浅色透明度
#define DARKCOLOR_ALPHA
0.5 //深色透明度
@interfaceyxpQrCode ()<ZBarReaderViewDelegate>
{
UIView *_QrCodeline;
NSTimer *_timer;
//设置扫描画面
UIView *_scanView;
ZBarReaderView *_readerView;
}
@end
@implementation yxpQrCode
– (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle
*)nibBundleOrNil
{
self = [superinitWithNibName:nibNameOrNil
bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
returnself;
}
– (void)viewDidLoad
{
[superviewDidLoad];
self.title=@"扫描二维码";
//初始化扫描界面
[selfsetScanView];
_readerView= [[ZBarReaderViewalloc]init];
,
VIEW_WIDTH);
_readerView.tracksSymbols=NO;
_readerView.readerDelegate =self;
[_readerViewaddSubview:_scanView];
//关闭闪光灯
;
[self.viewaddSubview:_readerView];
//扫描区域
//readerView.scanCrop =
[_readerViewstart];
[selfcreateTimer];
}
#pragma mark — ZBarReaderViewDelegate
-(void)readerView:(ZBarReaderView *)readerView didReadSymbols:(ZBarSymbolSet
*)symbols fromImage:(UIImage *)image
{
constzbar_symbol_t *symbol =zbar_symbol_set_first_symbol(symbols.zbarSymbolSet);
NSString *symbolStr = [NSStringstringWithUTF8String:
zbar_symbol_get_data(symbol)];
//推断是否包括 头’http:’
NSString *regex =@"http+:[^\\s]*";
NSPredicate *predicate = [NSPredicatepredicateWithFormat:@"SELF
MATCHES %@",regex];
UIAlertView *alertView=[[UIAlertViewalloc]
initWithTitle:@""message:symbolStr
delegate:nilcancelButtonTitle:@"取消"otherButtonTitles:nil];
[alertViewshow];
//推断是否包括 头’ssid:’
NSString *ssid =@"ssid+:[^\\s]*";;
NSPredicate *ssidPre = [NSPredicatepredicateWithFormat:@"SELF
MATCHES %@",ssid];
if ([predicate
evaluateWithObject:symbolStr]) {
}
else
if([ssidPreevaluateWithObject:symbolStr]){
NSArray *arr = [symbolStr
componentsSeparatedByString:@";"];
]componentsSeparatedByString:@":"];
]componentsSeparatedByString:@":"];
symbolStr = [NSStringstringWithFormat:@"ssid:
%@ \n password:%@",
[arrInfoHead],[arrInfoFoot]];
UIPasteboard *pasteboard=[UIPasteboardgeneralPasteboard];
//然后，能够使用例如以下代码来把一个字符串放置到剪贴板上：
pasteboard.];
}
}
//二维码的扫描区域
– (void)setScanView
{
_scanView=[[UIViewalloc]
initWithFrame,
)];
_scanView.backgroundColor=[UIColorclearColor];
//最上部view
UIView* upView = [[UIViewalloc]
,,
VIEW_WIDTH,SCANVIEW_EdgeTop)];
upView.alpha =TINTCOLOR_ALPHA;
upView.backgroundColor = [UIColorblackColor];
[_scanViewaddSubview:upView];
//左側的view
UIView *leftView = [[UIViewalloc]
,SCANVIEW_EdgeTop,
SCANVIEW_EdgeLeft*SCANVIEW_EdgeLeft)];
leftView.alpha =TINTCOLOR_ALPHA;
leftView.backgroundColor = [UIColorblackColor];
[_scanViewaddSubview:leftView];
/******************中间扫描区域****************************/
UIImageView *scanCropView=[[UIImageViewalloc]
initWithFrame:CGRectMake(SCANVIEW_EdgeLeft,SCANVIEW_EdgeTop,
VIEW_WIDTH*SCANVIEW_EdgeLeft)];
//scanCropView.image=[UIImage imageNamed:@""];
scanCropView.layer.borderColor=[UIColorgetThemeColor].CGColor;
scanCropView.layer.borderWidth=2.0;
scanCropView.backgroundColor=[UIColorclearColor];
[_scanViewaddSubview:scanCropView];
//右側的view
UIView *rightView = [[UIViewalloc]
initWithFrame:CGRectMake(VIEW_WIDTH-SCANVIEW_EdgeLeft,SCANVIEW_EdgeTop,
SCANVIEW_EdgeLeft*SCANVIEW_EdgeLeft)];
rightView.alpha =TINTCOLOR_ALPHA;
rightView.backgroundColor = [UIColorblackColor];
[_scanViewaddSubview:rightView];
//底部view
UIView *downView = [[UIViewalloc]
*SCANVIEW_EdgeLeft+SCANVIEW_EdgeTop,VIEW_WIDTH,
VIEW_HEIGHT)];
//downView.alpha = TINTCOLOR_ALPHA;
downView.backgroundColor = [[UIColorblackColor]
colorWithAlphaComponent:TINTCOLOR_ALPHA];
[_scanViewaddSubview:downView];
//用于说明的label
UILabel *labIntroudction= [[UILabelalloc]
init];
labIntroudction.backgroundColor = [UIColorclearColor];
labIntroudction.,,
);
labIntroudction.;
labIntroudction.font=[UIFontsystemFontOfSize:15.0];
labIntroudction.textAlignment=NSTextAlignmentCenter;
labIntroudction.textColor=[UIColorwhiteColor];
labIntroudction.text=@"将二维码对准方框，就可以自己主动扫描";
[downViewaddSubview:labIntroudction];
UIView *darkView = [[UIViewalloc]
, downView.frame.size.height-100.0,VIEW_WIDTH,
100.0)];
darkView.backgroundColor = [[UIColorblackColor]
colorWithAlphaComponent:DARKCOLOR_ALPHA];
[downViewaddSubview:darkView];
//用于开关灯操作的button
UIButton *openButton=[[UIButtonalloc]
,,
300.0, 40.0)];
[openButtonsetTitle:@"开启闪光灯" forState:UIControlStateNormal];
[openButton setTitleColor:[UIColorwhiteColor]
forState:UIControlStateNormal];
openButton.titleLabel.textAlignment=NSTextAlignmentCenter;
openButton.backgroundColor=[UIColorgetThemeColor];
openButton.titleLabel.font=[UIFontsystemFontOfSize:22.0];
[openButton addTarget:selfaction:@selector(openLight)forControlEvents:UIControlEventTouchUpInside];
[darkViewaddSubview:openButton];
//画中间的基准线
_QrCodeline = [[UIViewalloc]
initWithFrame:CGRectMake(SCANVIEW_EdgeLeft,SCANVIEW_EdgeTop,
VIEW_WIDTH)];
_QrCodeline.backgroundColor = [UIColorgetThemeColor];
[_scanViewaddSubview:_QrCodeline];
}
– (void)openLight
{
)
{
;
}else
{
;
}
}
– (void)viewWillDisappear:(BOOL)animated
{
[superviewWillDisappear:animated];
)
{
;
}
[selfstopTimer];
[_readerViewstop];
}
//二维码的横线移动
– (void)moveUpAndDownLine
{
CGFloat Y=_QrCodeline.frame.origin.y;
//CGRectMake(SCANVIEW_EdgeLeft, SCANVIEW_EdgeTop, VIEW_WIDTH-2*SCANVIEW_EdgeLeft, 1)]
*SCANVIEW_EdgeLeft+SCANVIEW_EdgeTop==Y){
[UIView beginAnimations:@"asa" context:nil];
[UIView setAnimationDuration:];
_QrCodeline.frame=CGRectMake(SCANVIEW_EdgeLeft, SCANVIEW_EdgeTop, VIEW_WIDTH-*SCANVIEW_EdgeLeft,);
[UIView commitAnimations];
}elseif(SCANVIEW_EdgeTop==Y){
[UIView beginAnimations:@"asa" context:nil];
[UIView setAnimationDuration:];
_QrCodeline.frame=CGRectMake(SCANVIEW_EdgeLeft, VIEW_WIDTH-*SCANVIEW_EdgeLeft+SCANVIEW_EdgeTop, VIEW_WIDTH-*SCANVIEW_EdgeLeft,);
[UIView commitAnimations];
}
}
– (void)createTimer
{
//创建一个时间计数
_timer=[NSTimer scheduledTimerWithTimeInterval:1.0 target:self selector:@selector(moveUpAndDownLine)
userInfo:nil repeats:YES];
}
– (void)stopTimer
{
if ([_timer isValid] ==
YES) {
[_timer invalidate];
_timer =nil;
}
}
– (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end
