{"id":3879,"date":"2025-06-03T11:24:24","date_gmt":"2025-06-05T03:43:23","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3879"},"modified":"2025-06-05T11:24:24","modified_gmt":"2025-06-05T03:43:23","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8swift%e4%b8%ad%e7%9a%84%e7%b9%bc%e6%89%bf","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8swift%e4%b8%ad%e7%9a%84%e7%b9%bc%e6%89%bf\/","title":{"rendered":"\u6df1\u5165\u5b78\u7fd2 Swift \u4e2d\u7684\u7e7c\u627f\uff1a2025 \u6700\u65b0\u8a9e\u6cd5\u8207\u6700\u4f73\u5be6\u8e10"},"content":{"rendered":"

<\/p>\n

\u6df1\u5165\u5b78\u7fd2 Swift \u4e2d\u7684\u7e7c\u627f\uff1a2025 \u6700\u65b0\u8a9e\u6cd5\u8207\u6700\u4f73\u5be6\u8e10<\/h1>\n

Swift \u662f\u4e00\u7a2e\u975e\u5e38\u6d41\u884c\u7684\u7a0b\u5f0f\u8a9e\u8a00\uff0c\u958b\u767c\u8005\u5229\u7528\u5b83\u80fd\u5feb\u901f\u958b\u767c\u51fa\u529f\u80fd\u5f37\u5927\u7684\u61c9\u7528\u7a0b\u5f0f\u3002\u5728 Swift \u4e2d\uff0c\u7e7c\u627f\u662f\u4e00\u9805\u5f37\u5927\u7684\u6280\u8853\uff0c\u80fd\u8b93\u958b\u767c\u8005\u8f15\u9b06\u5730\u5c07\u529f\u80fd\u548c\u884c\u70ba\u5f9e\u4e00\u500b\u985e\u5225\u8f49\u79fb\u5230\u53e6\u4e00\u500b\u985e\u5225\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u5728 Swift \u4e2d\u4f7f\u7528\u7e7c\u627f\uff0c\u5305\u62ec\u5b9a\u7fa9\u5b50\u985e\u3001\u91cd\u5beb\u7236\u985e\u7684\u65b9\u6cd5\u4ee5\u53ca\u591a\u578b\u7684\u61c9\u7528\u3002<\/p>\n

\u5b9a\u7fa9\u5b50\u985e<\/h2>\n

\u5728 Swift \u4e2d\uff0c\u900f\u904e `class` \u95dc\u9375\u5b57\u4f86\u5b9a\u7fa9\u4e00\u500b\u985e\u5225\uff0c\u4e26\u4f7f\u7528\u7e7c\u627f\u7b26\u865f\uff08\u5192\u865f\uff09\u4f86\u5b9a\u7fa9\u5b50\u985e\u3002\u4ee5\u4e0b\u662f\u7bc4\u4f8b\uff1a<\/p>\n

“`swift
\nclass ParentClass {
\n var property: String = “Parent Property”<\/p>\n

func display() {
\n print(“This is the Parent Class”)
\n }
\n}<\/p>\n

class ChildClass: ParentClass {
\n var childProperty: String = “Child Property”<\/p>\n

func displayChild() {
\n print(“This is the Child Class”)
\n }
\n}
\n“`<\/p>\n

\u5728\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c`ChildClass` \u662f `ParentClass` \u7684\u5b50\u985e\uff0c\u5b83\u7e7c\u627f\u4e86 `ParentClass` \u4e2d\u7684\u6240\u6709\u5c6c\u6027\u548c\u65b9\u6cd5\u3002<\/p>\n

\u91cd\u5beb\u7236\u985e\u7684\u65b9\u6cd5<\/h2>\n

\u5728 Swift \u4e2d\uff0c\u4f7f\u7528 `override` \u95dc\u9375\u5b57\u53ef\u4ee5\u91cd\u5beb\u7236\u985e\u7684\u65b9\u6cd5\u3002\u9019\u6a23\u53ef\u4ee5\u6839\u64da\u5b50\u985e\u7684\u9700\u6c42\u4fee\u6539\u7236\u985e\u7684\u884c\u70ba\u3002\u4ee5\u4e0b\u662f\u7bc4\u4f8b\uff1a<\/p>\n

“`swift
\nclass ParentClass {
\n func someMethod() {
\n print(“This is the Parent Method”)
\n }
\n}<\/p>\n

class ChildClass: ParentClass {
\n override func someMethod() {
\n print(“This is the Child Method”)
\n }
\n}<\/p>\n

let childInstance = ChildClass()
\nchildInstance.someMethod() \/\/ Output: This is the Child Method
\n“`<\/p>\n

\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u7576 `ChildClass` \u7684\u5be6\u4f8b\u8abf\u7528 `someMethod` \u6642\uff0c\u5c07\u57f7\u884c\u5b50\u985e\u4e2d\u7684\u7a0b\u5f0f\u78bc\u3002<\/p>\n

\u4f7f\u7528\u591a\u578b<\/h2>\n

\u591a\u578b\u662f\u6307\u540c\u4e00\u65b9\u6cd5\u5728\u4e0d\u540c\u7684\u985e\u5225\u5be6\u73fe\u4e2d\u53ef\u80fd\u6709\u4e0d\u540c\u7684\u884c\u70ba\u3002\u5728 Swift \u4e2d\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528 `is` \u95dc\u9375\u5b57\u4f86\u6aa2\u67e5\u4e00\u500b\u7269\u4ef6\u662f\u5426\u662f\u67d0\u500b\u985e\u5225\u7684\u5b50\u985e\u3002\u7bc4\u4f8b\u5982\u4e0b\uff1a<\/p>\n

“`swift
\nclass ParentClass {
\n \/\/ Parent class code
\n}<\/p>\n

class ChildClass: ParentClass {
\n \/\/ Child class code
\n}<\/p>\n

let someObject = ChildClass()<\/p>\n

if someObject is ParentClass {
\n print(“someObject is a ParentClass”)
\n} else {
\n print(“someObject is not a ParentClass”)
\n}
\n“`<\/p>\n

\u5728\u9019\u6bb5\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u6aa2\u67e5 `someObject` \u662f\u5426\u662f `ParentClass` \u7684\u5b50\u985e\uff0c\u82e5\u662f\uff0c\u5c07\u5370\u51fa “someObject is a ParentClass”\u3002<\/p>\n

\u932f\u8aa4\u6392\u9664<\/h2>\n

\u5728\u4f7f\u7528\u7e7c\u627f\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u5e38\u898b\u932f\u8aa4\uff0c\u5982\uff1a<\/p>\n

1. **\u91cd\u5beb\u65b9\u6cd5\u932f\u8aa4**\uff1a\u78ba\u4fdd\u5728\u5b50\u985e\u4e2d\u4f7f\u7528 `override` \u95dc\u9375\u5b57\u3002
\n2. **\u985e\u5225\u5faa\u74b0\u5f15\u7528**\uff1a\u907f\u514d\u5b50\u985e\u8207\u7236\u985e\u9593\u7522\u751f\u4e0d\u5fc5\u8981\u7684\u5f37\u5f15\u7528\u5faa\u74b0\u3002
\n3. **\u672a\u6b63\u78ba\u4f7f\u7528 `is` \u95dc\u9375\u5b57**\uff1a\u78ba\u4fdd\u5c0d\u8c61\u7684\u5be6\u969b\u985e\u5225\u7b26\u5408\u6aa2\u67e5\u689d\u4ef6\u3002<\/p>\n

\u5ef6\u4f38\u61c9\u7528<\/h2>\n

\u5728\u5be6\u969b\u958b\u767c\u4e2d\uff0c\u7e7c\u627f\u53ef\u4ee5\u61c9\u7528\u65bc\u8a31\u591a\u60c5\u5883\uff0c\u4f8b\u5982\uff1a<\/p>\n

– \u5efa\u7acb\u4e00\u500b\u57fa\u790e\u8cc7\u6599\u6a21\u578b\uff0c\u7136\u5f8c\u70ba\u4e0d\u540c\u7684\u8cc7\u6599\u985e\u578b\u5275\u5efa\u5b50\u985e\u3002
\n– \u5be6\u73fe\u4e00\u500b\u901a\u7528\u7684 UI \u5143\u7d20\u985e\u5225\uff0c\u7136\u5f8c\u70ba\u7279\u5b9a\u9700\u6c42\u9032\u884c\u64f4\u5c55\u3002<\/p>\n

\u9019\u6a23\u4e0d\u50c5\u80fd\u63d0\u9ad8\u4ee3\u78bc\u7684\u53ef\u91cd\u7528\u6027\uff0c\u9084\u80fd\u8b93\u4ee3\u78bc\u7d50\u69cb\u66f4\u52a0\u6e05\u6670\u3002<\/p>\n

\u7e3d\u7d50<\/h2>\n

Swift \u4e2d\u7684\u7e7c\u627f\u662f\u4e00\u9805\u5f37\u5927\u7684\u6280\u8853\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u5c07\u529f\u80fd\u548c\u884c\u70ba\u5f9e\u4e00\u500b\u985e\u5225\u7e7c\u627f\u5230\u53e6\u4e00\u500b\u985e\u5225\u3002\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u5b9a\u7fa9\u5b50\u985e\u3001\u91cd\u5beb\u7236\u985e\u7684\u65b9\u6cd5\u4ee5\u53ca\u591a\u578b\u7684\u61c9\u7528\uff0c\u4e26\u63d0\u4f9b\u4e86\u932f\u8aa4\u6392\u9664\u8207\u5ef6\u4f38\u61c9\u7528\u7684\u5efa\u8b70\u3002<\/p>\n

Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n

**Q1: \u4ec0\u9ebc\u662f Swift \u4e2d\u7684\u7e7c\u627f\uff1f**
\nA1: Swift \u4e2d\u7684\u7e7c\u627f\u662f\u6307\u4e00\u500b\u985e\u5225\u53ef\u4ee5\u7e7c\u627f\u53e6\u4e00\u500b\u985e\u5225\u7684\u5c6c\u6027\u548c\u65b9\u6cd5\uff0c\u5f9e\u800c\u64f4\u5c55\u6216\u4fee\u6539\u5176\u884c\u70ba\u3002<\/p>\n

**Q2: \u5982\u4f55\u5728 Swift \u4e2d\u9632\u6b62\u7e7c\u627f\uff1f**
\nA2: \u53ef\u4ee5\u4f7f\u7528 `final` \u95dc\u9375\u5b57\u4f86\u6a19\u8a18\u985e\u5225\uff0c\u9019\u6a23\u9019\u500b\u985e\u5225\u5c31\u7121\u6cd5\u88ab\u7e7c\u627f\u3002<\/p>\n

**Q3: \u7e7c\u627f\u548c\u7d44\u5408\u6709\u4ec0\u9ebc\u5340\u5225\uff1f**
\nA3: \u7e7c\u627f\u662f\u6307\u4e00\u500b\u985e\u5225\u57fa\u65bc\u53e6\u4e00\u500b\u985e\u5225\u9032\u884c\u64f4\u5c55\uff0c\u800c\u7d44\u5408\u5247\u662f\u5c07\u4e0d\u540c\u7684\u985e\u5225\u7d44\u5408\u5728\u4e00\u8d77\u4f86\u5be6\u73fe\u529f\u80fd\u3002<\/p>\n

—<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528Swift\u4e2d\u7684\u7e7c\u627f\uff0c\u5305\u62ec\u5b9a\u7fa9\u5b50\u985e\u3001\u91cd\u5beb\u7236\u985e\u7684\u65b9\u6cd5\u3001\u4f7f\u7528\u591a\u578b\u7b49\uff0c\u8b93\u8b80\u8005\u80fd\u5920\u66f4\u52a0\u4e86\u89e3Swift\u4e2d\u7684\u7e7c\u627f\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-3879","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\/pcFK27-10z","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3879","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=3879"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3879\/revisions"}],"predecessor-version":[{"id":3880,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3879\/revisions\/3880"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=3879"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3879"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3879"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}