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+//
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+// scanToPCLoginViewController.m
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+// 双子星云手机
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+//
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+// Created by xd h on 2024/8/27.
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+//
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+
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+#import "scanToPCLoginViewController.h"
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+#import <AVFoundation/AVFoundation.h>
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+#import <ImageIO/ImageIO.h>
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+#import "PCLoginViewController.h"
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+
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+@interface scanToPCLoginViewController ()<AVCaptureMetadataOutputObjectsDelegate,AVCaptureVideoDataOutputSampleBufferDelegate,UINavigationControllerDelegate>
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+
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+@property(nonatomic,strong)AVCaptureVideoPreviewLayer *layer;
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+
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+//捕捉会话
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+
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+@property(nonatomic,strong)AVCaptureSession *session;
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+
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+//辅助区域框
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+
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+@property(nonatomic,strong)UIImageView * cyanEdgeImageView;
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+@property(nonatomic,strong)UIImageView * qrCodeScanLine;
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+@property(nonatomic,strong)NSTimer * scanLineTimer;
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+
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+@end
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+
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+@implementation scanToPCLoginViewController
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+
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+- (void)viewDidLoad {
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+ [super viewDidLoad];
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+ // Do any additional setup after loading the view.
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+
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+ [self.navigationBar setHidden:YES];
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+ [self.toolBar setHidden:YES];
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+
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+ AVAuthorizationStatus authStatus =[AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo];
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+ //判断摄像头状态是否可用
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+ if(authStatus==AVAuthorizationStatusAuthorized){
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+ [self startScan];
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+ }else{
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+ NSLog(@"未开启相机权限，请前往设置中开启");
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+ [AVCaptureDevice requestAccessForMediaType:AVMediaTypeVideo completionHandler:^(BOOL granted) {
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+ if (granted){
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+ mainBlock(^{
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+ [self startScan];
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+ });
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+ }
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+ }];
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+ }
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+}
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+
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+-(void)viewWillDisappear:(BOOL)animated
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+{
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+ [super viewWillDisappear:animated];
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+ if(_scanLineTimer)[_scanLineTimer invalidate];
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+}
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+
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+//开始扫描二维码
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+
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+-(void)startScan{
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+ //1.创建捕捉会话,AVCaptureSession是第一个要被创建的对象，所有的操作都要基于这一个session
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+ self.session = [[AVCaptureSession alloc]init];
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+ AVCaptureDevice *device = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
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+
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+AVCaptureDeviceInput *input = [AVCaptureDeviceInput deviceInputWithDevice:device error:nil];
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+
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+ [self.session addInput:input];
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+
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+
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+
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+ //3.添加输出数据(示例对象-->类对象-->元类对象-->根元类对象)
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+
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+ /*输入的类是AVCaptureInput，那么输出的类相应的就应该是AVCaptureOutput。
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+
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+ 输出不需要和设备挂钩,因为一般情况下，我们的输出要么是音频或视频文件，要么是一些其他的数据，像二维码扫描一般是字符串类型。
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+
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+ 所以创建AVCaptureOutput实例就不需要AVCaptureDevice对象。
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+
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+ AVCaptureOutput也同样是一个抽象类，同样要使用其子类，在这里我们扫描二维码，
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+
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+ 使用的是AVCaptureMetadataOutput，设置代码如下所示*/
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+
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+
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+ AVCaptureMetadataOutput *output = [[AVCaptureMetadataOutput alloc] init];
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+ [output setMetadataObjectsDelegate:self queue:dispatch_get_main_queue()];
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+
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+ //设置能扫描的区域，这里注意，CGRectMake的x,y和width,height的值是互换位置
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+
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+ output.rectOfInterest=CGRectMake(250/self.view.frame.size.height, 100/self.view.frame.size.width, (self.view.frame.size.width-200)/self.view.frame.size.width, (self.view.frame.size.width-200)/self.view.frame.size.width);
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+
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+ [self.session addOutput:output];
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+//设置输入元数据的类型(类型是二维码,条形码数据,注意，这个一定要写在添加到session后面，不然要崩溃，如果只需要扫描二维码只需要AVMetadataObjectTypeQRCode，如果还需要扫描条形码，那么全部添加上)
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+ [output setMetadataObjectTypes:@[AVMetadataObjectTypeQRCode,
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+ AVMetadataObjectTypeEAN8Code,
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+ AVMetadataObjectTypeEAN13Code,
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+ AVMetadataObjectTypeCode39Code,
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+ AVMetadataObjectTypeCode39Mod43Code,
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+ AVMetadataObjectTypeCode93Code,
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+ AVMetadataObjectTypeCode128Code,
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+ AVMetadataObjectTypePDF417Code,
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+ AVMetadataObjectTypeAztecCode,
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+ AVMetadataObjectTypeUPCECode,
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+ AVMetadataObjectTypeInterleaved2of5Code,
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+ AVMetadataObjectTypeITF14Code,
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+ AVMetadataObjectTypeDataMatrixCode,
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+ ]];
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+
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+
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+
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+ //4.添加扫描图层
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+
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+ self.layer = [AVCaptureVideoPreviewLayer layerWithSession:self.session];
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+
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+ self.layer.videoGravity=AVLayerVideoGravityResizeAspectFill;
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+
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+ self.layer.frame = self.view.bounds;
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+
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+ [self.view.layer addSublayer:self.layer];
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+
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+
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+
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+ //5.创建view,通过layer层进行设置边框宽度和颜色,用来辅助展示扫描的区域
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+
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+ _cyanEdgeImageView=[[UIImageView alloc] initWithFrame:CGRectMake(100, 250, self.view.frame.size.width-200, self.view.frame.size.width-200)];
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+
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+// _cyanEdgeImageView.layer.borderWidth=2;
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+//
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+// _cyanEdgeImageView.layer.borderColor =[UIColor cyanColor].CGColor;
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+
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+ _cyanEdgeImageView.image = [UIImage imageNamed:@"qrCode_scan_bg"];
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+ [self.view addSubview:_cyanEdgeImageView];
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+
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+ _qrCodeScanLine=[[UIImageView alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width-200, 1)];
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+
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+ _qrCodeScanLine.image = [UIImage imageNamed:@"qrCode_scan_line"];
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+ [_cyanEdgeImageView addSubview:_qrCodeScanLine];
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+
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+ _scanLineTimer = [NSTimer scheduledTimerWithTimeInterval:0.05 target:self selector:@selector(scanLineDownAndUpFun) userInfo:nil repeats:YES];
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+
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+ UILabel *tipLib = [[UILabel alloc] initWithFrame:CGRectMake(20, _cyanEdgeImageView.hw_max_y + 15, SCREEN_W - 40, 20)];
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+ tipLib.text = NSLocalizedString(@"pc_qrcoede_tips_please",nil);
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+ tipLib.font = [UIFont systemFontOfSize:14.0];
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+ tipLib.textAlignment = NSTextAlignmentCenter;
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+ tipLib.textColor = [UIColor whiteColor];
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+ [self.view addSubview:tipLib];
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+
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+ //6.创建检测光感源
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+
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+ AVCaptureVideoDataOutput *guangOutPut = [[AVCaptureVideoDataOutput alloc] init];
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+
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+ [guangOutPut setSampleBufferDelegate:self queue:dispatch_get_main_queue()];
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+
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+ //设置为高质量采集率
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+
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+ [self.session setSessionPreset:AVCaptureSessionPresetHigh];
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+
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+ //把光感源添加到会话
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+ [self.session addOutput:guangOutPut];
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+
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+ //9.开始扫描
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+ [self.session startRunning];
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+
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+ //添加返回键
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+ CGFloat btn_w_h = 40;
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+ CGFloat btn_show = 28;
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+ UIButton *backBtn = [[UIButton alloc] init];
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+ [self.view addSubview:backBtn];
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+ [backBtn mas_makeConstraints:^(MASConstraintMaker *make) {
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+ make.top.mas_equalTo(H_STATE_BAR + (64.f - btn_w_h)/2.f);
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+ make.left.mas_equalTo(10);
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+ make.width.mas_equalTo(btn_w_h);
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+ make.height.mas_equalTo(btn_w_h);
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+ }];
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+ [backBtn setImage:[UIImage imageNamed:@"icon_base_back"] forState:(UIControlStateNormal)];
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+ [backBtn setImageEdgeInsets:(UIEdgeInsetsMake((btn_w_h - btn_show)/2.f, (btn_w_h - btn_show)/2.f, (btn_w_h - btn_show)/2.f, (btn_w_h - btn_show)/2.f))];
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+ [backBtn addTarget:self
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+ action:@selector(backBtnPressed)
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+ forControlEvents:(UIControlEventTouchUpInside)];
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+}
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+
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+#pragma mark timer 处理线上下移动
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+bool isPCScanDownType = YES;
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+-(void)scanLineDownAndUpFun
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+{
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+ [UIView animateWithDuration:0.01 animations:^{
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+
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+ if(isPCScanDownType && self->_qrCodeScanLine.hw_y <= self->_cyanEdgeImageView.hw_h){
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+ self->_qrCodeScanLine.hw_y += 2;
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+
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+ if(self->_cyanEdgeImageView.hw_h - self->_qrCodeScanLine.hw_y <= 5){
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+ isPCScanDownType = NO;
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+ }
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+ }
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+ else if(!isPCScanDownType && self->_qrCodeScanLine.hw_y >= 0)
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+ {
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+ self->_qrCodeScanLine.hw_y -= 2;
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+
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+ if(self->_qrCodeScanLine.hw_y <= 5){
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+ isPCScanDownType = YES;
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+ }
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+ }
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+ }];
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+}
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+
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+//实现扫描的回调代理方法
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+
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+- (void)captureOutput:(AVCaptureOutput*)captureOutput didOutputMetadataObjects:(NSArray*)metadataObjects fromConnection:(AVCaptureConnection*)connection{
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+
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+//如果数组metadataObjects中有数据，metadataObjects是个数组类型
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+
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+ if(metadataObjects.count>0) {
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+
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+ AVMetadataMachineReadableCodeObject*object = [metadataObjects lastObject];
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+
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+ NSLog(@"%@",object.stringValue);
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+
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+ /*扫描到有用信息时取消扫描*/
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+ NSString *resStr = object.stringValue;//RK3908P1V62112465
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+
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+ [self handleScanCodeResultFun:resStr];
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+ }
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+ else{
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+ [[iToast makeText:NSLocalizedString(@"pc_qrcoede_tips_error",nil)] show];
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+ NSLog(@"没有扫描到数据");
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+ }
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+}
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+
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+#pragma mark 处理扫码出来的数据
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+- (void)handleScanCodeResultFun:(NSString*)resultStr
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+{
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+ NSString * resStr = resultStr;
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+
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+ if([AFNetworkReachabilityManager sharedManager].networkReachabilityStatus == AFNetworkReachabilityStatusNotReachable)
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+ {
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+ [[iToast makeText:NSLocalizedString(@"phone_network_fail_Tips",nil)] show];
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+ return;
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+ }
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+
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+ if ([resStr containsString:@"boxLoginId:"]){
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+
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+ [_scanLineTimer invalidate];
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+
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+ [self scanToPCloginFunWithID:resStr];
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+
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+ //停止扫描
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+ [self.session stopRunning];
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+
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+ //移除扫描层layer
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+ [self.layer removeFromSuperlayer];
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+ }
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+ else{
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+ [[iToast makeText:NSLocalizedString(@"pc_qrcoede_tips_error",nil)] show];
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+ }
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+
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+}
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+
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+
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+//光感传感器代理
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+-(void)captureOutput:(AVCaptureOutput*)captureOutput didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer fromConnection:(AVCaptureConnection*)connection{
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+
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+ //获取光线的值
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+
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+ CFDictionaryRef metadataDict = CMCopyDictionaryOfAttachments(NULL,sampleBuffer, kCMAttachmentMode_ShouldPropagate);
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+
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+ NSDictionary *metadata = [[NSMutableDictionary alloc] initWithDictionary:(__bridge NSDictionary*)metadataDict];
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+
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+ CFRelease(metadataDict);
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+
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+ NSDictionary *exifMetadata = [[metadata objectForKey:(NSString *)kCGImagePropertyExifDictionary] mutableCopy];
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+
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+ float brightnessValue = [[exifMetadata objectForKey:(NSString*)kCGImagePropertyExifBrightnessValue]floatValue];
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+
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+ NSLog(@"%f",brightnessValue);
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+
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+
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+ // 根据brightnessValue的值来打开和关闭闪光灯，一般值小于0就需要打开，大于0就关闭
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+
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+// if((brightnessValue <0)) {//显示闪光灯
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+// self.lightBtn.hidden=NO;
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+// }else if((brightnessValue >0)) {//隐藏闪光灯
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+// self.lightBtn.hidden=YES;
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+// }
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+}
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+
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+////闪光灯按钮点击方法
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+//
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+//-(void)lightBtnClick:(UIButton*)sender{
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+// //判断当前设备是否有闪光灯
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+//
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+// AVCaptureDevice * device=[AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
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+//
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+// BOOL result=[device hasTorch];
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+//
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+// if(result==YES){
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+// if(self.lightBtn.isSelected==NO){
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+// self.lightBtn.selected=YES;
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+// self.lightBtn.backgroundColor=[UIColor greenColor];
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+// [device lockForConfiguration:nil];
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+// [device setTorchMode: AVCaptureTorchModeOn];//开
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+// [device unlockForConfiguration];
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+// }else if(self.lightBtn.isSelected==YES){
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+// self.lightBtn.selected=NO;
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+// self.lightBtn.backgroundColor=[UIColor grayColor];
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+// [device lockForConfiguration:nil];
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+// [device setTorchMode: AVCaptureTorchModeOff];//关
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+// [device unlockForConfiguration];
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+// }
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+// }else{
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+// NSLog(@"当前设备闪光灯不可用");
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+// }
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+//}
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+
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+
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+#pragma mark PC 扫码登录
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+-(void)scanToPCloginFunWithID:(NSString*)idStr
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+{
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+ NSString *changSN = [connectDeviceManager shareInstance].DeviceThirdIdMod.data.changeSn;
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+ NSMutableDictionary *paraDict = [NSMutableDictionary new];
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+ [paraDict setValue:@1 forKey:@"status"];
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+ [paraDict setValue:idStr forKey:@"boxLoginId"];
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+ [paraDict setValue:changSN forKey:@"sn"];
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+
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+ KWeakSelf
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+ [[netWorkManager shareInstance] CommonPostCallBackCode:updatePCLoginStateFun Parameters:paraDict success:^(id _Nonnull responseObject){
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+ SuperModel *curModel = [[SuperModel alloc] initWithDictionary:responseObject error:nil];
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+
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+ if(curModel && curModel.status == 0){
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+ [weakSelf gotoNextVCFunWithID:idStr];
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+ }
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+ else
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+ {
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+ if(curModel.msg){
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+ [[iToast makeText:curModel.msg] show];
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+ }
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+ else{
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+ [[iToast makeText:@"扫码信息错误"] show];
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+ }
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+
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+ [weakSelf.navigationController popViewControllerAnimated:YES];
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+ }
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+
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+ } failure:^(NSError * _Nonnull error) {
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+ //[[iToast makeText:@"扫码信息错误"] show];
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+ [weakSelf.navigationController popViewControllerAnimated:YES];
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+ }];
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+}
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+
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+#pragma mark 跳转下个界面
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+- (void)gotoNextVCFunWithID:(NSString*)idStr
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+{
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+// NSArray *vcArr = self.navigationController.viewControllers;
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+//
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+// NSMutableArray * newArr = [NSMutableArray new];
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+//
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+// for (int i=0; i< vcArr.count-1; i++) {
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+// UIViewController *vc = vcArr[i];
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+// [newArr addObject:vc];
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+// }
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+//
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+// self.navigationController.viewControllers = newArr;
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+//
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+// vcArr = self.navigationController.viewControllers;
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+
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+ PCLoginViewController *nextVC = [PCLoginViewController new];
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+ nextVC.loginIdString = idStr;
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+ [self.navigationController pushViewController:nextVC animated:YES];
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+}
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+
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+@end
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huangxiaodong
