{"id":286,"date":"2025-05-29T10:21:44","date_gmt":"2025-06-05T03:19:43","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=286"},"modified":"2025-06-05T10:21:44","modified_gmt":"2025-06-05T03:19:43","slug":"swift-%e4%bd%bf%e7%94%a8google-cloud-vision-ocr-%e8%87%aa%e5%8b%95%e8%be%a8%e8%ad%98%e8%ba%ab%e5%88%86%e8%ad%89","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/uncategorized\/swift-%e4%bd%bf%e7%94%a8google-cloud-vision-ocr-%e8%87%aa%e5%8b%95%e8%be%a8%e8%ad%98%e8%ba%ab%e5%88%86%e8%ad%89\/","title":{"rendered":"Swift \u7a0b\u5f0f\u6559\u5b78\uff1a\u4f7f\u7528 Google Cloud Vision OCR \u81ea\u52d5\u8fa8\u8b58\u8eab\u5206\u8b49\uff08Alamofire\/\u539f\u751f URLSession\uff09\u30102025 \u6700\u65b0\u8a9e\u6cd5\u8207\u6700\u4f73\u5be6\u8e10\u3011"},"content":{"rendered":"

“`html<\/p>\n

\u4f7f\u7528 Google Cloud Vision OCR \u81ea\u52d5\u8fa8\u8b58\u8eab\u5206\u8b49<\/h2>\n

\u5728\u9019\u7bc7\u6559\u5b78\u4e2d\uff0c\u6211\u5011\u5c07\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528 Google Cloud Vision API \u4f86\u81ea\u52d5\u8fa8\u8b58\u8eab\u5206\u8b49\u3002\u9019\u500b\u904e\u7a0b\u5305\u542b\u4e86 API \u7684\u7533\u8acb\u3001\u7a0b\u5f0f\u78bc\u5be6\u4f5c\u4ee5\u53ca\u932f\u8aa4\u6392\u9664\u7684\u6b65\u9a5f\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u6839\u64da 2025 \u6700\u65b0\u8a9e\u6cd5\u8207\u6700\u4f73\u5be6\u8e10\u9032\u884c\u66f4\u65b0\u8207\u512a\u5316\u3002<\/p>\n

1. \u7533\u8acb Google Cloud API<\/h3>\n

\u9996\u5148\uff0c\u60a8\u9700\u8981\u524d\u5f80 Google API Console<\/a> \u4f86\u7533\u8acb Cloud Vision API\u3002<\/p>\n

2. \u7533\u8acb Cloud Vision API<\/h3>\n


\n \"Google
\n<\/a><\/p>\n

3. \u8907\u88fd API \u91d1\u9470<\/h3>\n

\"API<\/p>\n

public let API_GOOGLE_OCR = \"https:\/\/vision.googleapis.com\/v1\/images:annotate?key=yourKey\" \/\/ Google OCR\n<\/code><\/pre>\n
\u4f7f\u7528 Alamofire \u767c\u9001\u8acb\u6c42<\/h2>\n
\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u5c07\u4f7f\u7528 Alamofire \u4f86\u767c\u9001 HTTP POST \u8acb\u6c42\u81f3 Google OCR API\u3002<\/p>\n
public func sendPostJsonRequest(parameters: [String: Any]?, url: String, success: @escaping (JSON) -> Void, failure: @escaping (Error) -> Void, statusCode: @escaping (NSInteger) -> Void, isLoading: Bool = true) {\n    if isLoading {\n        loadingView.showLoading(nil)\n    }\n    Alamofire.request(URL(string: url)!, method: .post, parameters: parameters, encoding: JSONEncoding.default, headers: [:]).responseJSON { (response) in\n        switch response.result {\n        case .success:\n            success(JSON(response.result.value!))\n        case .failure(let error):\n            failure(error)\n            statusCode(response.response?.statusCode ?? 400)\n        }\n        if isLoading {\n            self.loadingView.hideLoading()\n        }\n    }\n}\n<\/code><\/pre>\n
\u8fa8\u8b58\u4e2d\u6587\u8207\u82f1\u6587<\/h3>\n
\/**\n * \u63d0\u4ea4 Google \u8a8d\u8b49\n *\/\npublic class func apiGoogleOcr(base64ImageString: String,\n                           success: @escaping (JSON) -> Void,\n                           failure: @escaping (Error) -> Void,\n                           statusCode: @escaping (NSInteger) -> Void) {\n    let parameters = [\"requests\": [[\"image\": [\"content\": base64ImageString], \"features\": [[\"type\": \"TEXT_DETECTION\"]], \"imageContext\": [\"languageHints\": [\"zh\", \"en\"]]]]] as [String: Any]\n    APIManager.shared.sendPostJsonRequest(parameters: parameters, url: API_GOOGLE_OCR, success: success, failure: failure, statusCode: statusCode)\n}\n<\/code><\/pre>\n
UIImage \u8f49\u63db\u70ba Base64 \u5b57\u4e32<\/h3>\n
\/\/\/ Google OCR \u8fa8\u8b58\n\/\/\/ - Parameter image: \u8eab\u5206\u8b49\u5716\u7247\nfunc postGoogleOcr(image: UIImage) {\n    guard let testImageData = image.jpegData(compressionQuality: 0.5) else { return }\n    let base64 = testImageData.base64EncodedString()\n    IdCardManager.apiGoogleOcr(base64ImageString: base64, success: { [self](response) in\n        \/\/ \u8655\u7406\u6210\u529f\u7684\u56de\u61c9\n    }, failure: { error in\n        \/\/ \u8655\u7406\u5931\u6557\u7684\u56de\u61c9\n    }, statusCode: { code in\n        \/\/ \u8655\u7406\u72c0\u614b\u78bc\n    })\n}\n<\/code><\/pre>\n
\u4f7f\u7528\u539f\u751f HTTP POST<\/h2>\n
\u4ee5\u4e0b\u662f\u4f7f\u7528 URLSession \u9032\u884c HTTP POST \u7684\u7bc4\u4f8b\uff1a<\/p>\n
let semaphore = DispatchSemaphore(value: 0)\nguard let testImageData = UIImage(named: \"test2\")?.jpegData(compressionQuality: 0.5) else { return }\nlet base64ImageString = testImageData.base64EncodedString()\n\nlet parameters = [\"requests\": [[\"image\": [\"content\": base64ImageString], \"features\": [[\"type\": \"TEXT_DETECTION\"]], \"imageContext\": [\"languageHints\": [\"zh\", \"en\"]]]]] as [String: Any]\nlet postData = try? JSONSerialization.data(withJSONObject: parameters)\nvar request = URLRequest(url: URL(string: \"https:\/\/vision.googleapis.com\/v1\/images:annotate?key=yourKey\")!, timeoutInterval: Double.infinity)\nrequest.addValue(\"application\/json\", forHTTPHeaderField: \"Content-Type\")\nrequest.httpMethod = \"POST\"\nrequest.httpBody = postData\n\nlet task = URLSession.shared.dataTask(with: request) { data, response, error in\n    guard let data = data else {\n        print(String(describing: error))\n        return\n    }\n    print(String(data: data, encoding: .utf8)!)\n    semaphore.signal()\n}\n\ntask.resume()\nsemaphore.wait()\n<\/code><\/pre>\n
\u6aa2\u6e2c\u7167\u7247<\/h3>\n

\n    \"\u6aa2\u6e2c\u7167\u7247\u793a\u4f8b\"
\n<\/a><\/p>\n
\u57f7\u884c\u7d50\u679c<\/h3>\n

\n    \"\u57f7\u884c\u7d50\u679c\u793a\u4f8b\"
\n<\/a><\/p>\n
\n
\u5225\u5fd8\u4e86\u66ff\u63db\u8acb\u6c42\u4e2d\u7684 yourKey<\/code> \u70ba\u60a8\u81ea\u5df1\u7684 API \u91d1\u9470\u3002<\/p>\n
Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n
Q1: \u5982\u4f55\u7372\u53d6 Google Cloud Vision API \u7684\u91d1\u9470\uff1f<\/h3>\n
A1: \u60a8\u53ef\u4ee5\u901a\u904e\u8a2a\u554f Google API Console<\/a> \u4f86\u5275\u5efa\u4e00\u500b\u65b0\u7684\u5c08\u6848\u4e26\u555f\u7528 Cloud Vision API\uff0c\u7136\u5f8c\u5728\u6191\u8b49\u90e8\u5206\u7372\u53d6\u60a8\u7684 API \u91d1\u9470\u3002<\/p>\n
Q2: \u5982\u679c\u6211\u5728\u8fa8\u8b58\u904e\u7a0b\u4e2d\u9047\u5230\u932f\u8aa4\uff0c\u8a72\u600e\u9ebc\u8fa6\uff1f<\/h3>\n
A2: \u60a8\u53ef\u4ee5\u5728\u7a0b\u5f0f\u78bc\u4e2d\u6dfb\u52a0\u932f\u8aa4\u8655\u7406\u908f\u8f2f\uff0c\u900f\u904e failure<\/code> \u56de\u547c\u4f86\u7372\u53d6\u5177\u9ad4\u7684\u932f\u8aa4\u4fe1\u606f\u4e26\u9032\u884c\u76f8\u61c9\u7684\u8abf\u8a66\u3002<\/p>\n
Q3: Google Cloud Vision API \u652f\u6301\u54ea\u4e9b\u8a9e\u8a00\uff1f<\/h3>\n
A3: Google Cloud Vision API \u652f\u6301\u591a\u7a2e\u8a9e\u8a00\uff0c\u5305\u62ec\u4e2d\u6587\u548c\u82f1\u6587\uff0c\u60a8\u53ef\u4ee5\u5728\u8acb\u6c42\u4e2d\u900f\u904e languageHints<\/code> \u53c3\u6578\u6307\u5b9a\u3002<\/p>\n
“`
\n—<\/p>\n","protected":false},"excerpt":{"rendered":"
UIImage to Date
\nDate to base64 String<\/p>\n","protected":false},"author":1,"featured_media":287,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"aside","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[1],"tags":[80,81,82],"class_list":["post-286","post","type-post","status-publish","format-aside","has-post-thumbnail","hentry","category-uncategorized","tag-google-cloud-vision","tag-ocr","tag-82","post_format-post-format-aside"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/badgameshow.com\/steven\/wp-content\/uploads\/2020\/10\/\u622a\u5716-2020-10-21-\u4e0b\u53485.06.09.png","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-4C","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/286","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=286"}],"version-history":[{"count":13,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/286\/revisions"}],"predecessor-version":[{"id":1186,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/286\/revisions\/1186"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media\/287"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=286"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=286"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=286"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}