{"id":4245,"date":"2025-06-01T12:11:10","date_gmt":"2025-06-05T04:29:10","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=4245"},"modified":"2025-06-05T12:11:10","modified_gmt":"2025-06-05T04:29:10","slug":"%e8%a7%a3%e6%9e%90swift%e4%b8%ad%e6%a8%a1%e7%b3%8a%e5%bc%95%e7%94%a8%e6%88%90%e5%93%a1y%e7%9a%84%e6%96%b9%e6%b3%95-5","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/%e8%a7%a3%e6%9e%90swift%e4%b8%ad%e6%a8%a1%e7%b3%8a%e5%bc%95%e7%94%a8%e6%88%90%e5%93%a1y%e7%9a%84%e6%96%b9%e6%b3%95-5\/","title":{"rendered":"Swift \u7a0b\u5f0f\u6559\u5b78\uff1a\u89e3\u6c7a\u6a21\u7cca\u5f15\u7528\u6210\u54e1 ‘Y’ \u7684\u6700\u4f73\u5be6\u8e10"},"content":{"rendered":"

<\/p>\n

Swift \u662f\u7531 Apple \u958b\u767c\u7684\u5f37\u578b\u5225\u7a0b\u5f0f\u8a9e\u8a00\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc iOS \u548c macOS \u61c9\u7528\u7a0b\u5f0f\u7684\u958b\u767c\u3002\u5728\u7a0b\u5f0f\u958b\u767c\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u8a0a\u606f\uff0c\u5176\u4e2d\u300cAmbiguous reference to member ‘Y’\u300d\u662f\u5e38\u898b\u7684\u4e00\u7a2e\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u300cAmbiguous reference to member ‘Y’\u300d\uff1f<\/h2>\n

\u300cAmbiguous reference to member ‘Y’\u300d\u662f Swift \u7de8\u8b6f\u5668\u5728\u89e3\u6790\u7279\u5b9a\u7a0b\u5f0f\u78bc\u6642\u62cb\u51fa\u7684\u932f\u8aa4\u8a0a\u606f\u3002\u9019\u8868\u793a\u7de8\u8b6f\u5668\u7121\u6cd5\u78ba\u5b9a\u61c9\u8a72\u4f7f\u7528\u54ea\u500b\u6210\u54e1\uff0c\u56e0\u70ba\u5b58\u5728\u591a\u500b\u540c\u540d\u7684\u6210\u54e1\uff0c\u9020\u6210\u4e86\u6a21\u7cca\u6027\u3002<\/p>\n

\u5982\u4f55\u89e3\u6c7a\u300cAmbiguous reference to member ‘Y’\u300d\uff1f<\/h2>\n

\u8981\u6709\u6548\u89e3\u6c7a\u300cAmbiguous reference to member ‘Y’\u300d\u7684\u554f\u984c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9075\u5faa\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n

    \n
  1. \u6aa2\u67e5\u6210\u54e1\u540d\u7a31\uff1a<\/strong>\u78ba\u8a8d\u7a0b\u5f0f\u78bc\u4e2d\u6c92\u6709\u5169\u500b\u6210\u54e1\u4f7f\u7528\u76f8\u540c\u7684\u540d\u7a31\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u985e\u5225\u3001\u7d50\u69cb\u6216\u5354\u8b70\u4e2d\u3002<\/li>\n
  2. \u4f7f\u7528\u5168\u540d\u9032\u884c\u5f15\u7528\uff1a<\/strong>\u7576\u5b58\u5728\u540c\u540d\u6210\u54e1\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528\u5168\u540d\u5f15\u7528\u7279\u5b9a\u6210\u54e1\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6709\u5169\u500b\u985e\u5225\u90fd\u5b9a\u7fa9\u4e86\u6210\u54e1 ‘Y’\uff0c\u5247\u53ef\u4ee5\u4f7f\u7528\u985e\u5225\u540d\u7a31\u4f86\u5340\u5206\uff1aClassA.Y<\/code> \u6216 ClassB.Y<\/code>\u3002<\/li>\n
  3. \u91cd\u69cb\u7a0b\u5f0f\u78bc\uff1a<\/strong>\u8003\u616e\u66f4\u6539\u5176\u4e2d\u4e00\u500b\u6210\u54e1\u7684\u540d\u7a31\uff0c\u4ee5\u907f\u514d\u6df7\u6dc6\uff0c\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5f0f\u78bc\u7684\u53ef\u8b80\u6027\u548c\u53ef\u7dad\u8b77\u6027\u3002<\/li>\n<\/ol>\n

    \u5be6\u4f5c\u7bc4\u4f8b<\/h3>\n

    \u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u7bc4\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u89e3\u6c7a\u9019\u500b\u932f\u8aa4\uff1a<\/p>\n

    class ClassA {\n    func display() {\n        print(\"ClassA display\")\n    }\n}\n\nclass ClassB {\n    func display() {\n        print(\"ClassB display\")\n    }\n}\n\nlet a = ClassA()\nlet b = ClassB()\n\n\/\/ \u9019\u88e1\u6703\u5f15\u767c\u6a21\u7cca\u5f15\u7528\u932f\u8aa4\n\/\/ a.display()\n\/\/ b.display()\n\n\/\/ \u4f7f\u7528\u5168\u540d\u9032\u884c\u5f15\u7528\na.display()\nb.display()\n<\/code><\/pre>\n
    \u932f\u8aa4\u6392\u9664\u6280\u5de7<\/h3>\n
    \u5982\u679c\u4f60\u4ecd\u7136\u9047\u5230\u6b64\u932f\u8aa4\uff0c\u5efa\u8b70\u6aa2\u67e5\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n
      \n
    • \u78ba\u4fdd\u6240\u6709\u7684\u5c0e\u5165\u6a21\u7d44\u548c\u547d\u540d\u7a7a\u9593\u90fd\u6b63\u78ba\u3002<\/li>\n
    • \u4f7f\u7528 Xcode \u7684\u5efa\u8b70\u4f86\u67e5\u770b\u53ef\u80fd\u7684\u540d\u7a31\u885d\u7a81\u3002<\/li>\n
    • \u901a\u904e\u6e05\u7406\u548c\u91cd\u5efa\u5c08\u6848\u4f86\u66f4\u65b0\u7de8\u8b6f\u5668\u7684\u72c0\u614b\u3002<\/li>\n<\/ul>\n
      \u5ef6\u4f38\u61c9\u7528<\/h2>\n
      \u4e86\u89e3\u5982\u4f55\u8655\u7406\u6a21\u7cca\u5f15\u7528\u932f\u8aa4\u4e0d\u50c5\u6709\u52a9\u65bc\u89e3\u6c7a\u7576\u524d\u554f\u984c\uff0c\u9084\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u5728\u672a\u4f86\u7684\u5c08\u6848\u4e2d\u7de8\u5beb\u66f4\u6e05\u6670\u7684\u7a0b\u5f0f\u78bc\u3002\u5efa\u8b70\u5b9a\u671f\u6aa2\u67e5\u7a0b\u5f0f\u78bc\u7684\u7d50\u69cb\uff0c\u4e26\u990a\u6210\u826f\u597d\u7684\u547d\u540d\u7fd2\u6163\uff0c\u4ee5\u6e1b\u5c11\u6b64\u985e\u932f\u8aa4\u7684\u767c\u751f\u3002<\/p>\n
      \u7d50\u8ad6<\/h2>\n
      \u89e3\u6c7a\u300cAmbiguous reference to member ‘Y’\u300d\u7684\u95dc\u9375\u5728\u65bc\u6e05\u6670\u7684\u547d\u540d\u548c\u826f\u597d\u7684\u7a0b\u5f0f\u78bc\u7d50\u69cb\u3002\u900f\u904e\u6b63\u78ba\u7684\u5be6\u4f5c\u8207\u932f\u8aa4\u6392\u9664\uff0c\u4f60\u53ef\u4ee5\u63d0\u9ad8\u5c08\u6848\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u7dad\u8b77\u6027\u3002<\/p>\n
      Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n
      1. \u70ba\u4ec0\u9ebc\u6703\u51fa\u73fe\u300cAmbiguous reference to member ‘Y’\u300d\u932f\u8aa4\uff1f<\/h3>\n
      \u9019\u662f\u56e0\u70ba\u7a0b\u5f0f\u78bc\u4e2d\u5b58\u5728\u591a\u500b\u540c\u540d\u6210\u54e1\uff0c\u7de8\u8b6f\u5668\u7121\u6cd5\u78ba\u5b9a\u8981\u4f7f\u7528\u54ea\u4e00\u500b\u3002<\/p>\n
      2. \u5982\u4f55\u907f\u514d\u672a\u4f86\u51fa\u73fe\u985e\u4f3c\u7684\u932f\u8aa4\uff1f<\/h3>\n
      \u4f7f\u7528\u6709\u610f\u7fa9\u7684\u547d\u540d\uff0c\u78ba\u4fdd\u6bcf\u500b\u6210\u54e1\u540d\u7a31\u90fd\u662f\u7368\u7279\u7684\uff0c\u4e26\u8003\u616e\u4f7f\u7528\u547d\u540d\u7a7a\u9593\u4f86\u7d44\u7e54\u7a0b\u5f0f\u78bc\u3002<\/p>\n
      3. \u662f\u5426\u6709\u5de5\u5177\u53ef\u4ee5\u5e6b\u52a9\u6aa2\u67e5\u547d\u540d\u885d\u7a81\uff1f<\/h3>\n
      Xcode \u63d0\u4f9b\u4e86\u81ea\u52d5\u88dc\u5168\u548c\u932f\u8aa4\u63d0\u793a\u529f\u80fd\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u53ca\u6642\u767c\u73fe\u547d\u540d\u885d\u7a81\u3002<\/p>\n
      —<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u4ecb\u7d39Swift\u4e2d\u6a21\u7cca\u5f15\u7528\u6210\u54e1’Y’\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8a73\u7d30\u89e3\u91cb\u5982\u4f55\u4f7f\u7528Swift\u7684methods()\u51fd\u6578\u4f86\u89e3\u6c7a\u6b64\u554f\u984c\uff0c\u4e26\u63d0\u4f9b\u7c21\u55ae\u6613\u61c2\u7684\u793a\u4f8b\u4f86\u8a73\u7d30\u8aaa\u660e\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-4245","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\/pcFK27-16t","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4245","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=4245"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4245\/revisions"}],"predecessor-version":[{"id":4246,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4245\/revisions\/4246"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=4245"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=4245"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=4245"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}