{"id":366,"date":"2023-05-24T12:05:14","date_gmt":"2023-05-24T04:05:14","guid":{"rendered":"https:\/\/www.zhidianwl.com\/zhidian\/?p=366"},"modified":"2023-05-24T12:05:14","modified_gmt":"2023-05-24T04:05:14","slug":"ios-%e6%89%ab%e4%b8%80%e6%89%ab%e5%bc%80%e5%8f%91%e7%9a%84%e4%bd%9c%e7%94%a8%e5%92%8c%e5%8a%9f%e8%83%bd%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"https:\/\/www.zhidianwl.com\/zhidian\/2023\/366\/","title":{"rendered":"ios \u626b\u4e00\u626b\u5f00\u53d1\u7684\u4f5c\u7528\u548c\u529f\u80fd\u4ecb\u7ecd"},"content":{"rendered":"<p>iOS \u626b\u4e00\u626b\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u529f\u80fd\uff0c\u5b83\u53ef\u4ee5\u901a\u8fc7\u6444\u50cf\u5934\u5c06\u4e8c\u7ef4\u7801\u6216\u6761\u5f62\u7801\u626b\u63cf\u5e76\u8bc6\u522b\u51fa\u6765\uff0c\u7136\u540e\u8fdb\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd iOS \u626b\u4e00\u626b\u7684\u539f\u7406\u548c\u5f00\u53d1\u8fc7\u7a0b\u3002<\/p>\n<p>\u4e00\u3001\u539f\u7406<\/p>\n<p>iOS \u626b\u4e00\u626b\u7684\u539f\u7406\u662f\u5229\u7528\u6444\u50cf\u5934\u626b\u63cf\u4e8c\u7ef4\u7801\u6216\u6761\u5f62\u7801\uff0c\u7136\u540e\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u6700\u540e\u8fdb\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n<p>1. \u6253\u5f00\u6444\u50cf\u5934<\/p>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u6253\u5f00\u6444\u50cf\u5934\uff0c\u8fd9\u53ef\u4ee5\u901a\u8fc7 AVFoundation \u6846\u67b6\u5b9e\u73b0\u3002\u5728\u6253\u5f00\u6444\u50cf\u5934\u4e4b\u524d\uff0c\u9700\u8981\u8fdb\u884c\u6743\u9650\u5224\u65ad\uff0c\u4ee5\u786e\u4fdd\u7528\u6237\u5df2\u7ecf\u540c\u610f\u4f7f\u7528\u6444\u50cf\u5934\u3002<\/p>\n<p>2. \u6355\u6349\u56fe\u50cf<\/p>\n<p>\u4e00\u65e6\u6444\u50cf\u5934\u6253\u5f00\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5f00\u59cb\u6355\u6349\u56fe\u50cf\u3002\u6355\u6349\u5230\u7684\u56fe\u50cf\u53ef\u4ee5\u901a\u8fc7 AVCaptureVideoDataOutputDelegate \u534f\u8bae\u4e2d\u7684\u56de\u8c03\u65b9\u6cd5\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<p>3. \u8bc6\u522b\u4e8c\u7ef4\u7801\u6216\u6761\u5f62\u7801<\/p>\n<p>\u5728\u6355\u6349\u5230\u56fe\u50cf\u540e\uff0c\u6211\u4eec\u9700\u8981\u5bf9\u56fe\u50cf\u8fdb\u884c\u5904\u7406\uff0c\u4ee5\u8bc6\u522b\u4e8c\u7ef4\u7801\u6216\u6761\u5f62\u7801\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7 CoreImage \u6846\u67b6\u4e2d\u7684 CIDetector \u7c7b\u5b9e\u73b0\u3002CIDetector \u53ef\u4ee5\u8bc6\u522b\u591a\u79cd\u7c7b\u578b\u7684\u4e8c\u7ef4\u7801\u548c\u6761\u5f62\u7801\uff0c\u5e76\u8fd4\u56de\u8bc6\u522b\u7ed3\u679c\u3002<\/p>\n<p>4. \u5904\u7406\u8bc6\u522b\u7ed3\u679c<\/p>\n<p>\u4e00\u65e6\u8bc6\u522b\u5230\u4e8c\u7ef4\u7801\u6216\u6761\u5f62\u7801\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u5e76\u8fdb\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u663e\u793a\u5728\u754c\u9762\u4e0a\uff0c\u6216\u8005\u6839\u636e\u5b57\u7b26\u4e32\u8fdb\u884c\u8df3\u8f6c\u7b49\u64cd\u4f5c\u3002<\/p>\n<p>\u4e8c\u3001\u5f00\u53d1<\/p>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u57fa\u672c\u7684 iOS \u626b\u4e00\u626b\u7684\u5f00\u53d1\u8fc7\u7a0b\uff1a<\/p>\n<p>1. \u521b\u5efa\u9879\u76ee<\/p>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u65b0<\/p>\n<p><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/i.cdn.yimenapp.com\/2023-03\/31\/15\/18515473874.jpg\" \/><\/figure>\n<\/p>\n<p>\u7684 Xcode \u9879\u76ee\u3002\u9009\u62e9 Single View Application \u6a21\u677f\uff0c\u5e76\u9009\u62e9 Swift \u4f5c\u4e3a\u8bed\u8a00\u3002<\/p>\n<p>2. \u6dfb\u52a0\u6743\u9650<\/p>\n<p>\u5728 Info<a href=\"https:\/\/www.yimenapp.net\/dabao-807.html\">H5\u5b89\u5353\u6253\u5305app\u4e0a\u67b6<\/a>.plist \u6587\u4ef6\u4e2d\u6dfb\u52a0\u76f8\u673a\u6743\u9650\u548c\u76f8\u518c\u6743\u9650\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\u5b9e\u73b0\uff1a<\/p>\n<p>&#8220;`<\/p>\n<p>NSCameraUsageDescription<\/p>\n<p>\u9700\u8981\u4f7f\u7528\u76f8\u673a\u626b\u63cf\u4e8c\u7ef4\u7801<\/p>\n<p>NSPhotoLibraryUsageDescription<\/p>\n<p>\u9700\u8981\u8bbf\u95ee\u76f8\u518c\u4ee5\u4fdd\u5b58\u626b\u63cf\u7ed3\u679c<\/p>\n<p>&#8220;`<\/p>\n<p>3. \u521b\u5efa\u754c\u9762<\/p>\n<p>\u5728 Main.storyboard \u6587\u4ef6\u4e2d\u521b\u5efa\u4e00\u4e2a\u754c\u9762\uff0c\u5305\u542b\u4e00\u4e2a\u626b\u63cf\u533a\u57df\u548c\u4e00\u4e2a\u626b\u63cf\u6309\u94ae\u3002\u626b\u63cf\u533a\u57df\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e2a UIView \u5b9e\u73b0\uff0c\u626b\u63cf\u6309\u94ae\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e2a UIButton \u5b9e\u73b0\u3002<\/p>\n<p>4. \u6253\u5f00\u6444\u50cf\u5934<\/p>\n<p>\u5728 ViewController.swift \u6587\u4ef6\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u901a\u8fc7 AVCaptureDevice \u548c AVCaptureSession \u7c7b\u6253\u5f00\u6444\u50cf\u5934\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u5b9e\u73b0\uff1a<\/p>\n<p>&#8220;`<\/p>\n<p>let device = AVCaptureDevice.default(for: .video)<\/p>\n<p>let input = try! AVCaptureDeviceInput(device: device!)<\/p>\n<p>let output = AVCaptureMetadataOutput()<\/p>\n<p>let session = AVCaptureSession()<\/p>\n<p>session.addInput(input)<\/p>\n<p>session.addOutput(output)<\/p>\n<p>output.setMetadataObjectsDelegate(self, queue: DispatchQueue.main)<\/p>\n<p>output.metadataObjectTypes = [.qr, .ean13, .ean8, .code128]<\/p>\n<p>let previewLayer = AVCaptureVideoPreviewLayer(session: session)<\/p>\n<p>previewLayer.frame = view.layer.bounds<\/p>\n<p>view.layer.addSublayer(previewLayer)<\/p>\n<p>session.startRunning()<\/p>\n<p>&#8220;`<\/p>\n<p>5. \u5904\u7406\u8bc6\u522b\u7ed3\u679c<\/p>\n<p>\u5728 ViewController.<a href=\"https:\/\/www.yimenapp.net\/dabao-767.html\">HUAWEI Tag api<\/a>swift \u6587\u4ef6\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u5b9e\u73b0 AVCaptureMetadataOutputObjectsDelegate \u534f\u8bae\u4e2d\u7684\u56de\u8c03\u65b9\u6cd5\uff0c\u4ee5\u5904\u7406\u8bc6\u522b\u7ed3\u679c\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u5b9e\u73b0\uff1a<\/p>\n<p>&#8220;`<\/p>\n<p>func metadataOutput(_ output: AVCaptureMetadataOutput, didOutput metadataObjects: [AVMetadataObject], from connection: AVCaptureConnection) {<\/p>\n<p>    session.stopRunning()<\/p>\n<p>    if let metadataObject = metadataObjects.first as? AVMetadataMachineReadableCodeObject {<\/p>\n<p>        let stringValue = metadataObject.stringValue<\/p>\n<p>        \/\/ \u5904\u7406\u8bc6\u522b\u7ed3\u679c<\/p>\n<p>    }<\/p>\n<p>}<\/p>\n<p>&#8220;`<\/p>\n<p>6. \u6dfb\u52a0\u626b\u63cf\u6309\u94ae<\/p>\n<p>\u5728 ViewController.swift \u6587\u4ef6\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u5b9e\u73b0\u626b\u63cf\u6309\u94ae\u7684\u70b9\u51fb\u4e8b\u4ef6\uff0c\u4ee5\u91cd\u65b0\u5f00\u59cb\u626b\u63cf\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u5b9e\u73b0\uff1a<\/p>\n<p>&#8220;`<\/p>\n<p>@IBAction func startScan(_ sender: Any) {<\/p>\n<p>    session.startRunning()<\/p>\n<p>}<\/p>\n<p>&#8220;`<\/p>\n<p>7. \u8fd0\u884c\u9879\u76ee<\/p>\n<p>\u6700\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u8fd0\u884c\u9879\u76ee\uff0c\u6d4b\u8bd5\u626b\u63cf\u529f\u80fd\u662f\u5426\u6b63\u5e38\u3002<\/p>\n<p>\u4e09\u3001\u603b\u7ed3<\/p>\n<p>iOS \u626b\u4e00\u626b\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u529f\u80fd\uff0c\u5b83\u53ef\u4ee5\u901a\u8fc7\u6444\u50cf\u5934\u5c06\u4e8c\u7ef4\u7801\u6216\u6761\u5f62\u7801\u626b\u63cf\u5e76\u8bc6\u522b\u51fa\u6765\uff0c\u7136\u540e\u8fdb\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u8be6\u7ec6\u4ecb\u7ecd\u4e86 iOS \u626b\u4e00\u626b\u7684\u539f\u7406\u548c\u5f00\u53d1\u8fc7\u7a0b\u3002\u901a\u8fc7\u672c\u6587\u7684\u5b66\u4e60\uff0c\u8bfb\u8005\u53ef\u4ee5\u4e86\u89e3 iOS \u626b\u4e00\u626b\u7684\u57fa\u672c\u539f\u7406\uff0c\u5e76\u638c\u63e1\u5f00\u53d1 iOS \u626b\u4e00\u626b\u7684\u65b9\u6cd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>iOS \u626b\u4e00\u626b\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u529f\u80fd\uff0c\u5b83\u53ef\u4ee5\u901a\u8fc7\u6444\u50cf\u5934\u5c06\u4e8c\u7ef4\u7801\u6216\u6761\u5f62\u7801\u626b\u63cf\u5e76\u8bc6\u522b\u51fa\u6765\uff0c\u7136\u540e\u8fdb\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd iOS \u626b\u4e00\u626b\u7684\u539f\u7406\u548c\u5f00\u53d1\u8fc7\u7a0b\u3002\u4e00\u3001\u539f\u7406iOS \u626b\u4e00\u626b\u7684\u539f\u7406\u662f\u5229\u7528\u6444\u50cf\u5934<\/p>\n","protected":false},"author":14,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[877,880,879,876,878],"class_list":["post-366","post","type-post","status-publish","format-standard","hentry","category-zuoapp","tag-apk","tag-880","tag-879","tag-876","tag-878"],"_links":{"self":[{"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/posts\/366","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/users\/14"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/comments?post=366"}],"version-history":[{"count":0,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/posts\/366\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/media?parent=366"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/categories?post=366"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/tags?post=366"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}