{"id":4093,"date":"2025-05-30T11:58:55","date_gmt":"2025-06-05T04:08:55","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=4093"},"modified":"2025-06-05T11:58:55","modified_gmt":"2025-06-05T04:08:55","slug":"%e5%ad%b8%e7%bf%92swift%e4%b8%ad%e7%9a%84initializer%e4%b8%8d%e8%83%bd%e8%a6%86%e8%93%8b%e7%88%b6%e9%a1%9e%e5%88%a5%e7%9a%84%e6%8c%87%e5%ae%9a%e5%88%9d%e5%a7%8b%e5%8c%96%e5%99%a8","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/%e5%ad%b8%e7%bf%92swift%e4%b8%ad%e7%9a%84initializer%e4%b8%8d%e8%83%bd%e8%a6%86%e8%93%8b%e7%88%b6%e9%a1%9e%e5%88%a5%e7%9a%84%e6%8c%87%e5%ae%9a%e5%88%9d%e5%a7%8b%e5%8c%96%e5%99%a8\/","title":{"rendered":"2025 \u6700\u65b0\u7248 Swift \u7a0b\u5f0f\u6559\u5b78\uff1a\u5982\u4f55\u6b63\u78ba\u8986\u84cb\u7236\u985e\u5225\u7684\u6307\u5b9a\u521d\u59cb\u5316\u5668"},"content":{"rendered":"

<\/p>\n

2025 \u6700\u65b0\u7248 Swift \u7a0b\u5f0f\u6559\u5b78\uff1a\u5982\u4f55\u6b63\u78ba\u8986\u84cb\u7236\u985e\u5225\u7684\u6307\u5b9a\u521d\u59cb\u5316\u5668<\/h1>\n

Swift \u662f\u4e00\u7a2e\u5f37\u5927\u7684\u7a0b\u5f0f\u8a9e\u8a00\uff0c\u5c08\u70ba iOS \u548c macOS \u61c9\u7528\u7a0b\u5f0f\u7684\u958b\u767c\u800c\u8a2d\u8a08\u3002\u5728\u958b\u767c\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u8207\u521d\u59cb\u5316\u76f8\u95dc\u7684\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u662f\u201cInitializer \u4e0d\u6703\u8986\u84cb\u5176\u8d85\u985e\u7684\u6307\u5b9a\u521d\u59cb\u5316\u5b50\u201d\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\uff0c\u4e26\u63d0\u4f9b\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u548c\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n

\u4ec0\u9ebc\u662f Initializer\uff1f<\/h2>\n

Initializer \u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u51fd\u6578\uff0c\u7528\u65bc\u521d\u59cb\u5316\u7269\u4ef6\u7684\u5c6c\u6027\u3002\u7576\u7269\u4ef6\u88ab\u5275\u5efa\u6642\uff0cInitializer \u5c07\u88ab\u8abf\u7528\uff0c\u4e26\u53ef\u4ee5\u63a5\u53d7\u53c3\u6578\u4ee5\u8a2d\u7f6e\u7269\u4ef6\u7684\u521d\u59cb\u72c0\u614b\u3002\u5b83\u7684\u4e3b\u8981\u76ee\u7684\u662f\u78ba\u4fdd\u7269\u4ef6\u5728\u4f7f\u7528\u4e4b\u524d\u8655\u65bc\u6709\u6548\u72c0\u614b\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u6307\u5b9a\u521d\u59cb\u5316\u5b50\uff1f<\/h2>\n

\u6307\u5b9a\u521d\u59cb\u5316\u5b50\u662f\u5fc5\u9808\u5728\u5b50\u985e\u4e2d\u88ab\u8986\u84cb\u7684\u521d\u59cb\u5316\u5b50\uff0c\u7528\u4ee5\u78ba\u4fdd\u5b50\u985e\u7684\u6b63\u78ba\u521d\u59cb\u5316\u3002\u9019\u985e\u521d\u59cb\u5316\u5b50\u53ef\u4ee5\u63a5\u53d7\u5fc5\u8981\u7684\u53c3\u6578\uff0c\u8b93\u958b\u767c\u8005\u80fd\u5920\u8a2d\u7f6e\u5b50\u985e\u7684\u7279\u5b9a\u5c6c\u6027\u3002<\/p>\n

Initializer \u4e0d\u6703\u8986\u84cb\u5176\u8d85\u985e\u7684\u6307\u5b9a\u521d\u59cb\u5316\u5b50<\/h2>\n

\u7576\u958b\u767c\u8005\u5728\u5b50\u985e\u4e2d\u5b9a\u7fa9\u521d\u59cb\u5316\u5b50\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u932f\u8aa4\uff1a\u201cInitializer \u4e0d\u6703\u8986\u84cb\u5176\u8d85\u985e\u7684\u6307\u5b9a\u521d\u59cb\u5316\u5b50\u201d\u3002\u9019\u662f\u56e0\u70ba Swift \u8981\u6c42\u5b50\u985e\u5fc5\u9808\u6b63\u78ba\u5730\u8986\u84cb\u5176\u8d85\u985e\u7684\u6307\u5b9a\u521d\u59cb\u5316\u5b50\uff0c\u4ee5\u4fbf\u80fd\u5920\u6b63\u78ba\u521d\u59cb\u5316\u5b50\u985e\u7684\u5c6c\u6027\u3002<\/p>\n

\u5982\u4f55\u89e3\u6c7a Initializer \u4e0d\u6703\u8986\u84cb\u5176\u8d85\u985e\u7684\u6307\u5b9a\u521d\u59cb\u5316\u5b50\u7684\u554f\u984c\uff1f<\/h2>\n

\u89e3\u6c7a\u6b64\u554f\u984c\u7684\u6700\u4f73\u65b9\u6cd5\u662f\u5728\u5b50\u985e\u4e2d\u8986\u84cb\u8d85\u985e\u7684\u6307\u5b9a\u521d\u59cb\u5316\u5b50\uff0c\u4e26\u5c07\u53c3\u6578\u50b3\u905e\u7d66\u8d85\u985e\u7684\u521d\u59cb\u5316\u5b50\u3002\u4ee5\u4e0b\u662f\u5177\u9ad4\u6b65\u9a5f\u548c\u7bc4\u4f8b\uff1a<\/p>\n

1. **\u5b9a\u7fa9\u8d85\u985e\u548c\u6307\u5b9a\u521d\u59cb\u5316\u5b50**\uff1a\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5b9a\u7fa9\u4e00\u500b\u8d85\u985e `Superclass`\uff0c\u4e26\u5728\u5176\u4e2d\u5be6\u73fe\u4e00\u500b\u63a5\u53d7\u53c3\u6578\u7684\u6307\u5b9a\u521d\u59cb\u5316\u5b50\u3002<\/p>\n

\nclass Superclass {\n    var property: Int\n\n    init(parameter: Int) {\n        self.property = parameter\n        \/\/ Initialization code\n    }\n}\n<\/pre>\n
2. **\u5728\u5b50\u985e\u4e2d\u8986\u84cb\u6307\u5b9a\u521d\u59cb\u5316\u5b50**\uff1a\u7576\u6211\u5011\u5728\u5b50\u985e `Subclass` \u4e2d\u5b9a\u7fa9\u521d\u59cb\u5316\u5b50\u6642\uff0c\u5fc5\u9808\u4f7f\u7528 `override` \u95dc\u9375\u5b57\uff0c\u4e26\u8abf\u7528\u8d85\u985e\u7684\u521d\u59cb\u5316\u5b50\u3002<\/p>\n
\nclass Subclass: Superclass {\n    var additionalProperty: String\n\n    override init(parameter: Int) {\n        self.additionalProperty = \"Default Value\"\n        super.init(parameter: parameter)\n        \/\/ Additional initialization code\n    }\n}\n<\/pre>\n
\u901a\u904e\u9019\u7a2e\u65b9\u5f0f\uff0c\u6211\u5011\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u201cInitializer \u4e0d\u6703\u8986\u84cb\u5176\u8d85\u985e\u7684\u6307\u5b9a\u521d\u59cb\u5316\u5b50\u201d\u7684\u554f\u984c\u3002<\/p>\n
\u5e38\u898b\u932f\u8aa4\u6392\u9664<\/h2>\n
– **\u672a\u4f7f\u7528 `override` \u6a19\u8a18**\uff1a\u78ba\u4fdd\u5728\u5b50\u985e\u7684\u521d\u59cb\u5316\u5b50\u524d\u52a0\u4e0a `override`\u3002
\n– **\u672a\u6b63\u78ba\u8abf\u7528\u8d85\u985e\u521d\u59cb\u5316\u5b50**\uff1a\u6aa2\u67e5\u53c3\u6578\u662f\u5426\u6b63\u78ba\u50b3\u905e\u81f3\u8d85\u985e\u7684\u521d\u59cb\u5316\u5b50\u3002<\/p>\n
\u5ef6\u4f38\u61c9\u7528<\/h2>\n
– **\u81ea\u5b9a\u7fa9\u521d\u59cb\u5316\u908f\u8f2f**\uff1a\u60a8\u53ef\u4ee5\u5728\u5b50\u985e\u7684\u521d\u59cb\u5316\u5b50\u4e2d\u6dfb\u52a0\u81ea\u5b9a\u7fa9\u908f\u8f2f\uff0c\u4f86\u8a2d\u7f6e\u984d\u5916\u7684\u5c6c\u6027\u6216\u57f7\u884c\u5176\u4ed6\u521d\u59cb\u5316\u64cd\u4f5c\u3002
\n– **\u4f7f\u7528\u4fbf\u5229\u521d\u59cb\u5316\u5b50**\uff1a\u8003\u616e\u4f7f\u7528\u4fbf\u5229\u521d\u59cb\u5316\u5b50\u4f86\u7c21\u5316\u521d\u59cb\u5316\u904e\u7a0b\uff0c\u7279\u5225\u662f\u5728\u591a\u500b\u521d\u59cb\u5316\u5b50\u4e4b\u9593\u5171\u4eab\u908f\u8f2f\u6642\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u8a73\u7d30\u89e3\u91cb\u4e86 Swift \u932f\u8aa4\u201cInitializer \u4e0d\u6703\u8986\u84cb\u5176\u8d85\u985e\u7684\u6307\u5b9a\u521d\u59cb\u5316\u5b50\u201d\u7684\u539f\u56e0\u53ca\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u6b63\u78ba\u8986\u84cb\u8d85\u985e\u7684\u6307\u5b9a\u521d\u59cb\u5316\u5b50\u4e26\u50b3\u905e\u5fc5\u8981\u7684\u53c3\u6578\uff0c\u6211\u5011\u80fd\u5920\u6709\u6548\u5730\u521d\u59cb\u5316\u5b50\u985e\uff0c\u907f\u514d\u6b64\u985e\u932f\u8aa4\u3002<\/p>\n
Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n
Q1: \u70ba\u4ec0\u9ebc\u6211\u9700\u8981\u8986\u84cb\u8d85\u985e\u7684\u6307\u5b9a\u521d\u59cb\u5316\u5b50\uff1f<\/h3>\n
A1: \u8986\u84cb\u8d85\u985e\u7684\u6307\u5b9a\u521d\u59cb\u5316\u5b50\u662f\u78ba\u4fdd\u5b50\u985e\u6b63\u78ba\u521d\u59cb\u5316\u7684\u5fc5\u8981\u6b65\u9a5f\uff0c\u9019\u6a23\u53ef\u4ee5\u4fdd\u8b49\u6240\u6709\u5fc5\u9700\u7684\u5c6c\u6027\u5728\u4f7f\u7528\u524d\u90fd\u5df2\u6b63\u78ba\u8a2d\u7f6e\u3002<\/p>\n
Q2: \u5982\u679c\u6211\u4e0d\u60f3\u5728\u5b50\u985e\u4e2d\u91cd\u8907\u8d85\u985e\u7684\u521d\u59cb\u5316\u908f\u8f2f\u8a72\u600e\u9ebc\u8fa6\uff1f<\/h3>\n
A2: \u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u4fbf\u5229\u521d\u59cb\u5316\u5b50\uff0c\u9019\u6a23\u53ef\u4ee5\u7c21\u5316\u521d\u59cb\u5316\u908f\u8f2f\u4e26\u6e1b\u5c11\u4ee3\u78bc\u91cd\u8907\u3002<\/p>\n
Q3: \u6709\u4ec0\u9ebc\u5de5\u5177\u53ef\u4ee5\u5e6b\u52a9\u6211\u8abf\u8a66 Swift \u7684\u521d\u59cb\u5316\u932f\u8aa4\uff1f<\/h3>\n
A3: \u4f7f\u7528 Xcode \u7684\u7de8\u8b6f\u5668\u932f\u8aa4\u63d0\u793a\u548c\u8abf\u8a66\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u60a8\u5feb\u901f\u5b9a\u4f4d\u548c\u89e3\u6c7a\u521d\u59cb\u5316\u76f8\u95dc\u7684\u932f\u8aa4\u3002<\/p>\n
—<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6587\u7ae0\u6458\u8981\uff1a\u5728Swift\u4e2d\uff0c\u5b50\u985e\u5225\u7684\u521d\u59cb\u5316\u5668\u4e0d\u80fd\u8986\u84cb\u7236\u985e\u5225\u7684\u6307\u5b9a\u521d\u59cb\u5316\u5668\uff0c\u5fc5\u9808\u4f7f\u7528\u7236\u985e\u5225\u7684\u6307\u5b9a\u521d\u59cb\u5316\u5668\u4f86\u521d\u59cb\u5316\u5b50\u985e\u5225\u7684\u5be6\u4f8b\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39Swift\u4e2d\u7684Initializer\u4e0d\u80fd\u8986\u84cb\u7236\u985e\u5225\u7684\u6307\u5b9a\u521d\u59cb\u5316\u5668\u7684\u539f\u56e0\u53ca\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","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-4093","post","type-post","status-publish","format-standard","hentry","category-ios","category-swift","tag-ios","tag-swift"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-141","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4093","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=4093"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4093\/revisions"}],"predecessor-version":[{"id":4094,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4093\/revisions\/4094"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=4093"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=4093"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=4093"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}