{"id":6780,"date":"2025-06-03T13:05:30","date_gmt":"2025-06-05T05:25:29","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=6780"},"modified":"2025-06-05T13:05:30","modified_gmt":"2025-06-05T05:25:29","slug":"https-badgameshow-com-steven-66","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/https-badgameshow-com-steven-66\/","title":{"rendered":"2025 \u6700\u65b0\u7248 Swift \u76f8\u7c3f\u64cd\u4f5c\u6559\u5b78 \ud83d\udcf7 – \u5b8c\u6574\u7bc4\u4f8b\u8207\u6700\u4f73\u5be6\u8e10"},"content":{"rendered":"

“`html
\n<\/p>\n

\u5f15\u8a00<\/h2>\n

\u96a8\u8457 iOS \u958b\u767c\u7684\u666e\u53ca\uff0cSwift \u8a9e\u8a00\u8d8a\u4f86\u8d8a\u53d7\u5230\u958b\u767c\u8005\u7684\u559c\u611b\u3002\u672c\u7bc7\u6587\u7ae0\u5c07\u6df1\u5165\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528 Swift \u8a9e\u8a00\u64cd\u4f5c\u76f8\u7c3f\uff0c\u8b93\u958b\u767c\u8005\u80fd\u6709\u6548\u7ba1\u7406\u76f8\u7c3f\u4e2d\u7684\u7167\u7247\u8207\u5f71\u7247\u3002\u672c\u6587\u5c07\u6db5\u84cb\u6700\u65b0\u7684\u8a9e\u6cd5\u8207\u6700\u4f73\u5be6\u8e10\uff0c\u4e26\u63d0\u4f9b\u5be6\u4f5c\u7bc4\u4f8b\u8207\u932f\u8aa4\u6392\u9664\u5efa\u8b70\u3002<\/p>\n

\u74b0\u5883\u8a2d\u7f6e<\/h2>\n

\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u5728 Xcode \u4e2d\u5efa\u7acb\u4e00\u500b\u65b0\u7684 Swift \u5c08\u6848\u3002\u78ba\u4fdd\u60a8\u5728\u5c08\u6848\u4e2d\u52a0\u5165 Photos<\/strong> \u6846\u67b6\uff0c\u9019\u6a23\u624d\u80fd\u4f7f\u7528\u76f8\u7c3f\u64cd\u4f5c\u7684\u529f\u80fd\u3002<\/p>\n

\u53d6\u5f97\u76f8\u7c3f\u4e2d\u7684\u7167\u7247<\/h2>\n

\u4f7f\u7528 PHPhotoLibrary<\/strong> \u985e\u5225\u4f86\u64cd\u4f5c\u76f8\u7c3f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u7bc4\u7a0b\u5f0f\u78bc\uff0c\u8a72\u7a0b\u5f0f\u78bc\u53ef\u4ee5\u53d6\u5f97\u76f8\u7c3f\u4e2d\u7684\u6240\u6709\u7167\u7247\uff1a<\/p>\n

import Photos\n\nlet photoLibrary = PHPhotoLibrary.shared()\nlet fetchOptions = PHFetchOptions()\nlet fetchResult = PHAsset.fetchAssets(with: fetchOptions)\n\nfetchResult.enumerateObjects { (asset, index, stop) in\n    let imageManager = PHImageManager.default()\n    let targetSize = CGSize(width: 200, height: 200)\n    let options = PHImageRequestOptions()\n    options.isSynchronous = true\n    imageManager.requestImage(for: asset, targetSize: targetSize, contentMode: .aspectFit, options: options) { (image, info) in\n        if let image = image {\n            \/\/ \u5c07\u5716\u7247\u986f\u793a\u5728\u756b\u9762\u4e0a\u6216\u9032\u884c\u5176\u4ed6\u64cd\u4f5c\n        }\n    }\n}\n<\/code><\/pre>\n
\u5728\u9019\u6bb5\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u8a2d\u5b9a\u4e86\u7167\u7247\u7684\u5927\u5c0f\u70ba 200×200\uff0c\u4e26\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u9032\u884c\u5f8c\u7e8c\u8655\u7406\uff0c\u4f8b\u5982\u986f\u793a\u5728\u756b\u9762\u4e0a\u6216\u5b58\u5165\u8cc7\u6599\u5eab\u3002<\/p>\n
\u65b0\u589e\u7167\u7247\u5230\u76f8\u7c3f<\/h2>\n
\u9664\u4e86\u53d6\u5f97\u7167\u7247\uff0c\u958b\u767c\u8005\u9084\u53ef\u4ee5\u4f7f\u7528 PHAssetChangeRequest<\/strong> \u985e\u5225\u4f86\u5c0d\u76f8\u7c3f\u9032\u884c\u8b8a\u66f4\uff0c\u4f8b\u5982\u65b0\u589e\u7167\u7247\u3002\u4ee5\u4e0b\u662f\u65b0\u589e\u7167\u7247\u7684\u7bc4\u4f8b\uff1a<\/p>\n
if let image = UIImage(named: \"your_image_name\") {\n    var placeholder: PHObjectPlaceholder?\n\n    let photoLibrary = PHPhotoLibrary.shared()\n    photoLibrary.performChanges({\n        let changeRequest = PHAssetChangeRequest.creationRequestForAsset(from: image)\n        placeholder = changeRequest.placeholderForCreatedAsset\n    }) { success, error in\n        if success {\n            \/\/ \u7167\u7247\u65b0\u589e\u6210\u529f\uff0c\u9032\u884c\u5f8c\u7e8c\u8655\u7406\n        } else if let error = error {\n            print(\"\u65b0\u589e\u7167\u7247\u5931\u6557: \\(error.localizedDescription)\")\n        }\n    }\n}\n<\/code><\/pre>\n
\u5728\u9019\u6bb5\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86 performChanges<\/strong> \u65b9\u6cd5\u4f86\u65b0\u589e\u7167\u7247\uff0c\u5982\u679c\u64cd\u4f5c\u6210\u529f\uff0c\u60a8\u53ef\u4ee5\u5728\u9019\u88e1\u9032\u884c\u5f8c\u7e8c\u7684\u64cd\u4f5c\u3002<\/p>\n
\u932f\u8aa4\u6392\u9664\u8207\u6700\u4f73\u5be6\u8e10<\/h2>\n
    \n
  • \u78ba\u4fdd\u5728 Info.plist \u4e2d\u6dfb\u52a0\u5fc5\u8981\u7684\u6b0a\u9650\u8acb\u6c42\uff0c\u4f8b\u5982 NSPhotoLibraryUsageDescription<\/code>\u3002<\/li>\n
  • \u5728\u57f7\u884c\u76f8\u7c3f\u64cd\u4f5c\u6642\uff0c\u8acb\u59cb\u7d42\u6aa2\u67e5\u932f\u8aa4\uff0c\u78ba\u4fdd\u7528\u6236\u6709\u8db3\u5920\u7684\u6b0a\u9650\u3002<\/li>\n
  • \u907f\u514d\u5728\u4e3b\u57f7\u884c\u7dd2\u4e0a\u57f7\u884c\u5927\u91cf\u7684\u5716\u50cf\u8655\u7406\u64cd\u4f5c\uff0c\u4ee5\u514d\u9020\u6210\u754c\u9762\u5361\u9813\u3002<\/li>\n<\/ul>\n
    \u7e3d\u7d50<\/h2>\n
    \u5b78\u7fd2\u4f7f\u7528 Swift \u8a9e\u8a00\u64cd\u4f5c\u76f8\u7c3f\u7684\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u901a\u904e PHPhotoLibrary<\/strong> \u4f86\u53d6\u5f97\u76f8\u7c3f\u4e2d\u7684\u7167\u7247\uff0c\u4e26\u4f7f\u7528 PHAssetChangeRequest<\/strong> \u4f86\u9032\u884c\u76f8\u7c3f\u8b8a\u66f4\u3002\u900f\u904e\u9019\u4e9b\u529f\u80fd\uff0c\u958b\u767c\u8005\u80fd\u5920\u66f4\u6709\u6548\u5730\u7ba1\u7406\u7528\u6236\u7684\u5a92\u9ad4\u8cc7\u6e90\u3002<\/p>\n
    Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n
    Q1: \u5982\u4f55\u7372\u5f97\u7528\u6236\u7684\u76f8\u7c3f\u5b58\u53d6\u6b0a\u9650\uff1f<\/h3>\n
    A1: \u60a8\u9700\u8981\u5728\u61c9\u7528\u7a0b\u5f0f\u4e2d\u8acb\u6c42\u76f8\u7c3f\u5b58\u53d6\u6b0a\u9650\uff0c\u4e26\u5728 Info.plist \u4e2d\u6dfb\u52a0 NSPhotoLibraryUsageDescription<\/code> \u9375\u4ee5\u63d0\u4f9b\u6b0a\u9650\u8aaa\u660e\u3002<\/p>\n
    Q2: \u5982\u679c\u65b0\u589e\u7167\u7247\u5931\u6557\uff0c\u8a72\u5982\u4f55\u8655\u7406\uff1f<\/h3>\n
    A2: \u61c9\u7528\u7a0b\u5f0f\u61c9\u8a72\u5728\u65b0\u589e\u7167\u7247\u5f8c\u6aa2\u67e5\u932f\u8aa4\uff0c\u4e26\u63d0\u4f9b\u7528\u6236\u9069\u7576\u7684\u8a0a\u606f\u6216\u91cd\u8a66\u6a5f\u5236\u3002<\/p>\n
    Q3: \u5982\u4f55\u8655\u7406\u5927\u91cf\u76f8\u7247\u7684\u8f09\u5165\uff1f<\/h3>\n
    A3: \u5efa\u8b70\u4f7f\u7528\u7570\u6b65\u8f09\u5165\u65b9\u5f0f\uff0c\u4e26\u8003\u616e\u4f7f\u7528\u6f38\u9032\u5f0f\u8f09\u5165\u6280\u8853\u4ee5\u63d0\u9ad8\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n
    \"Swift
    \n“`
    \n—<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u6587\u7ae0\u6458\u8981:\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528Swift\u8a9e\u8a00\u4f86\u64cd\u4f5c\u76f8\u7c3f\uff0c\u5305\u62ec\u5efa\u7acb\u3001\u7ba1\u7406\u3001\u5206\u4eab\u7b49\u529f\u80fd\uff0c\u8b93\u4f60\u53ef\u4ee5\u8f15\u9b06\u5730\u7ba1\u7406\u4f60\u7684\u7167\u7247\u548c\u5f71\u7247\u3002<\/p>\n","protected":false},"author":1,"featured_media":6779,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[174,5],"tags":[173,9],"class_list":["post-6780","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ios","category-swift","tag-ios","tag-swift"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/badgameshow.com\/steven\/wp-content\/uploads\/2023\/02\/Swift-\u76f8\u7c3f\u64cd\u4f5c-\ud83d\udcf7_1675395649.215326.webp","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-1Lm","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/6780","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=6780"}],"version-history":[{"count":0,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/6780\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media\/6779"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=6780"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=6780"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=6780"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}