= AVLAYERVIDEOGRAVITYRESIZEASPECTF Ill layer.frame=self.view.layer.bounds self.view.layer.insertSublayer (layer, atindex:0)//Start capturing video data Session.startrunning ()}//Implement Avcapturemetadataoutputobjectsdelegate member method to process QR code information func C Aptureoutput (captureoutput:avcaptureoutput!, didoutputmetadataobjects metadataobjects: [AnyObject]!, Fromconnection connection:avcaptureconnection!) {session?.
Provides various official and user-released code examples. For code reference, you are welcome to exchange and learn about the simple sample code for PC scan authorization login to php.
Applications are required first. Enterprises, individual industrial and commercial households, and media are required.
Address applica
This blog post is mainly about the steps I make to implement a code-scanning login. In fact, search from the internet for a long time to scan code login, copy version of a lot, so the answer is on those kinds.
Let me tell you my own ideas. If there is a better opinion or I have something wrong, please point out.
First of all, I use the technology, MAVEN build pro
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span>span class="right" > after payment, Flight wing customer service will contact you, if you have any questions, please consult the Flight Hotline 400-700-2016
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Div>h2> payment
h2>img src="{: U (' QRCode ')}?data={$data}" alt=" sweep
Find the relevant technology on the Internet to determine whether the mobile browser is ISO or Android to download the specified app via JSCreate a new JSP page code as follows: JSP page as the generation of two-dimensional code address, when scanning the QR code to open the page will automatically execute the following code
) { return; } [_capturesession stoprunning]; _running = NO;}Add two additional methods to start capture before the view is displayed, and stop capture when the app enters the background:-(void) Viewwillappear: (BOOL) animated{ [Super viewwillappear:animated]; [Self startrunning];} -(void) Viewwilldisappear: (BOOL) animated{ [Super viewwilldisappear:animated]; [Self stoprunning];}To modify the Viewdidload method, register the following two notifications: [[Nsnoti
Enable the mobile phone camera to scan the QR code or complete the operations, mobile phone camera Barcode
(1) download the source code of the QR code library
Link: http://pan.baidu.com/s/1pKQyw2n password: r5bv
After the download is complete, open the libzxing folder and add it to Android Studio. For details, see F
The latest scan code landing source Demo Download This is the most common one of the features, then hot, only to combine it with their own website, in order to have more user registration, today to study the function of scanning code, 1, first to open platform application https://open.weixin.qq.com/ Get to AppID and Appsecret, the front desk display page is as fo
implementation of this method#pragma mark-#pragma mark Nscopying methodThis method needs to be implemented to support the memo-(ID) Copywithzone: (Nszone *) zone{Using the Self class here is a type that you want its subclasses to return as well as subclasses.Yiche *yichecopy = [[Self class]allocwithzone:zone]init];return yichecopy;}The specific scene class will no longer write, mainly to explain the prototype model of a simple example, and then write the time also feel that there are some short
Avcaptureoutput to the session creates a avcaptureconnection that is used to establish a connection between the input and the outputHere are a few properties about AvcapturedeviceFocus Mode: Focusing modes
avcapturefocusmodelocked : Fixed focus position.
Avcapturefocusmodeautofocus : Auto Focus once returns to the focus lock to the focus you focus on.
Avcapturefocusmodecontinuousautofocus : Keeps auto-focusing when needed.
Exposure Mode: Exposure modes
avcaptur
specify which detectors to run. ExcludeFilterAn optional attribute that specifies the excluded filter. includefilterAn optional attribute that specifies the containing filter. ProjectFileAn optional attribute that specifies the name of the project. JvmargsAn optional attribute that specifies the JVM variable. SystempropertySystem Properties. TimeoutOptional attribute that specifies the time of the supermarket, which defaults to 600,000 milliseconds, or 10 minutes. FailOnErr
I use a ready-made online example, can be used directly, but aspect inappropriate, now the mainstream is the big screen phone, so need to change.Locate the Cameramanager class and change the method below PublicRect Getframingrect () {Point screenresolution=configmanager.getscreenresolution (); if(Framingrect = =NULL) { if(Camera = =NULL) { return NULL; } intwidth = screenresolution.x * 3/5;//if (Width //width = min_frame_width;//} else if (Width > max_frame_width) {//width = max
dispatch queue for it, which prevents the main thread from blocking when the callback function is called.Next, declare this class to follow the Avcapturemetadataoutputobjectsdelegate agreement:@interface Viewcontroller () To implement the Proxy method:-(void) Captureoutput: (Avcaptureoutput *) captureoutput didoutputmetadataobjects: (Nsarray *) metadataobjects Fromconnection: (avcaptureconnection *) connection{ [Metadataobjects enumerateobjectsusingblock:^ ( Avmetadataobject *obj,
After the scan code was successfully paid, it was found that the notify_url was not called in the QR Code payment mode. I have provided this interface to the iOS, but now pay, no callback, I should based on what information to modify the order status, and send a push to the mobile side?
Reply content:
After the scan
. Unique identification as our ID card number, we handle credit card when the identity card is required, the real name under the purchase number card, ID card is necessary. If we are the system administrator, then I can completely through your ID number to find your cell phone number, bank card number.
With the above thought, all we have to do is find a unique identifier to associate with. There is an important role for the micro-letter OpenID. It has the same effect as the ID number mentione
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