{"id":4099,"date":"2025-06-04T11:30:52","date_gmt":"2025-06-05T04:09:52","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=4099"},"modified":"2025-06-05T11:30:52","modified_gmt":"2025-06-05T04:09:52","slug":"%e5%ad%b8%e7%bf%92swift%e4%b8%ad%e7%9a%84for-in%e8%aa%9e%e5%8f%a5%ef%bc%9a%e8%a7%a3%e6%b1%ba%e3%80%8cexpectedinfor-instatement%e3%80%8d%e9%8c%af%e8%aa%a4","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/%e5%ad%b8%e7%bf%92swift%e4%b8%ad%e7%9a%84for-in%e8%aa%9e%e5%8f%a5%ef%bc%9a%e8%a7%a3%e6%b1%ba%e3%80%8cexpectedinfor-instatement%e3%80%8d%e9%8c%af%e8%aa%a4\/","title":{"rendered":"\u5168\u9762\u89e3\u6790 Swift \u7684 for-in \u8a9e\u53e5\u53ca\u89e3\u6c7a\u300cExpected &#8216;;&#8217; in for-in statement\u300d\u932f\u8aa4"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Swift, for-in \u8a9e\u53e5, Expected ';' in for-in statement, Swift \u8a9e\u6cd5\u6559\u5b78, Swift \u7a0b\u5f0f\u8a2d\u8a08\"><\/p>\n<h1>\u5168\u9762\u89e3\u6790 Swift \u7684 for-in \u8a9e\u53e5\u53ca\u89e3\u6c7a\u300cExpected &#8216;;&#8217; in for-in statement\u300d\u932f\u8aa4<\/h1>\n<p>Swift \u662f\u4e00\u7a2e\u73fe\u4ee3\u7684\u7a0b\u5f0f\u8a9e\u8a00\uff0c\u5176\u8a9e\u6cd5\u8a2d\u8a08\u7c21\u6f54\u4e14\u6613\u65bc\u7406\u89e3\u3002\u7136\u800c\uff0c\u5c0d\u65bc\u65b0\u624b\u4f86\u8aaa\uff0c\u67d0\u4e9b\u8a9e\u6cd5\u932f\u8aa4\u4ecd\u7136\u53ef\u80fd\u8b93\u4eba\u611f\u5230\u56f0\u60d1\u3002\u5176\u4e2d\uff0c\u300cExpected &#8216;;&#8217; in for-in statement\u300d\u932f\u8aa4\u5c31\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u3001\u89e3\u6c7a\u65b9\u6cd5\u4ee5\u53ca Swift \u4e2d for-in \u8a9e\u53e5\u7684\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2>\u4ec0\u9ebc\u662f\u300cExpected &#8216;;&#8217; in for-in statement\u300d\u932f\u8aa4\uff1f<\/h2>\n<p>\u300cExpected &#8216;;&#8217; in for-in statement\u300d\u932f\u8aa4\u8868\u660e\u5728\u4f7f\u7528 for-in \u8a9e\u53e5\u6642\uff0c\u7a0b\u5f0f\u78bc\u51fa\u73fe\u4e86\u8a9e\u6cd5\u4e0a\u7684\u554f\u984c\u3002\u9019\u901a\u5e38\u662f\u56e0\u70ba\u7a0b\u5f0f\u78bc\u7684\u7d50\u69cb\u4e0d\u7b26\u5408 Swift \u7684\u8a9e\u6cd5\u898f\u7bc4\u3002<\/p>\n<h2>\u70ba\u4ec0\u9ebc\u6703\u51fa\u73fe\u300cExpected &#8216;;&#8217; in for-in statement\u300d\u932f\u8aa4\uff1f<\/h2>\n<p>\u5728 Swift \u4e2d\uff0cfor-in \u8a9e\u53e5\u7684\u7d50\u69cb\u975e\u5e38\u7c21\u55ae\uff0c\u4e0d\u9700\u8981\u5728\u8a9e\u53e5\u7684\u7d50\u5c3e\u52a0\u4e0a\u5206\u865f\uff08;\uff09\u3002\u4ee5\u4e0b\u662f\u932f\u8aa4\u7684\u793a\u7bc4\u7a0b\u5f0f\u78bc\uff1a<\/p>\n<pre class=\"brush: swift\">\nfor i in 0..<10\n    print(i)\n<\/pre>\n<p>\u7531\u65bc\u7f3a\u5c11\u5927\u62ec\u865f `{}` \u6216\u9069\u7576\u7684\u7d50\u5c3e\u7b26\u865f\uff0c\u9019\u6bb5\u7a0b\u5f0f\u78bc\u6703\u5c0e\u81f4\u300cExpected ';' in for-in statement\u300d\u932f\u8aa4\u3002<\/p>\n<h2>\u5982\u4f55\u6b63\u78ba\u4f7f\u7528 for-in \u8a9e\u53e5\uff1f<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7a\u9019\u500b\u932f\u8aa4\uff0c\u60a8\u61c9\u8a72\u6b63\u78ba\u5730\u4f7f\u7528 for-in \u8a9e\u53e5\u7684\u8a9e\u6cd5\u3002\u4ee5\u4e0b\u662f\u6b63\u78ba\u7684\u7bc4\u4f8b\uff1a<\/p>\n<pre class=\"brush: swift\">\nfor i in 0..<10 {\n    print(i)\n}\n<\/pre>\n<p>\u5728\u9019\u6bb5\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86\u5927\u62ec\u865f `{}` \u5c07 print \u8a9e\u53e5\u5305\u88f9\u8d77\u4f86\uff0c\u9019\u6a23\u53ef\u4ee5\u6b63\u78ba\u5730\u57f7\u884c\u8ff4\u5708\uff0c\u4e26\u4e14\u4e0d\u6703\u7522\u751f\u4efb\u4f55\u8a9e\u6cd5\u932f\u8aa4\u3002<\/p>\n<h2>\u932f\u8aa4\u6392\u9664\u6280\u5de7<\/h2>\n<p>\u5982\u679c\u60a8\u5728\u7de8\u5beb Swift \u7a0b\u5f0f\u78bc\u6642\u9047\u5230\u985e\u4f3c\u7684\u8a9e\u6cd5\u932f\u8aa4\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\u4f86\u9032\u884c\u6392\u9664\uff1a<\/p>\n<p>1. **\u6aa2\u67e5\u8a9e\u6cd5\u7d50\u69cb**\uff1a\u78ba\u4fdd\u6240\u6709\u7684\u63a7\u5236\u7d50\u69cb\uff08\u5982 for\u3001if\u3001while \u7b49\uff09\u90fd\u6709\u6b63\u78ba\u7684\u958b\u555f\u8207\u95dc\u9589\u7b26\u865f\u3002<br \/>\n2. **\u4f7f\u7528 Xcode \u7684\u81ea\u52d5\u5b8c\u6210\u529f\u80fd**\uff1a\u9019\u53ef\u4ee5\u5e6b\u52a9\u60a8\u5feb\u901f\u6aa2\u67e5\u8a9e\u6cd5\u932f\u8aa4\u3002<br \/>\n3. **\u53c3\u8003 Swift \u5b98\u65b9\u6587\u6a94**\uff1a\u96a8\u6642\u67e5\u95b1\u6700\u65b0\u7684 Swift \u8a9e\u6cd5\u898f\u7bc4\uff0c\u4ee5\u78ba\u4fdd\u4f7f\u7528\u7684\u8a9e\u6cd5\u662f\u6700\u65b0\u7684\u3002<\/p>\n<h2>\u5ef6\u4f38\u61c9\u7528\uff1afor-in \u8a9e\u53e5\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>for-in \u8a9e\u53e5\u4e0d\u50c5\u53ef\u4ee5\u7528\u65bc\u6578\u5b57\u7bc4\u570d\u7684\u8fed\u4ee3\uff0c\u9084\u53ef\u4ee5\u7528\u65bc\u904d\u6b77\u6578\u7d44\u6216\u5b57\u5178\u3002\u4f8b\u5982\uff1a<\/p>\n<pre class=\"brush: swift\">\nlet fruits = [\"Apple\", \"Banana\", \"Cherry\"]\nfor fruit in fruits {\n    print(\"I like \\(fruit)\")\n}\n<\/pre>\n<p>\u9019\u6a23\u7684\u4f7f\u7528\u65b9\u5f0f\u4e0d\u50c5\u4f7f\u7a0b\u5f0f\u78bc\u66f4\u5177\u53ef\u8b80\u6027\uff0c\u9084\u80fd\u6709\u6548\u5730\u5229\u7528 Swift \u7684\u7279\u6027\u4f86\u8655\u7406\u96c6\u5408\u985e\u578b\u3002<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u300cExpected ';' in for-in statement\u300d\u932f\u8aa4\u662f Swift \u7a0b\u5f0f\u8a9e\u8a00\u4e2d\u7684\u4e00\u500b\u5e38\u898b\u554f\u984c\uff0c\u901a\u5e38\u662f\u7531\u65bc\u8a9e\u6cd5\u7d50\u69cb\u4e0d\u7576\u6240\u5f15\u8d77\u7684\u3002\u901a\u904e\u6b63\u78ba\u7684\u8a9e\u6cd5\u7d50\u69cb\u548c\u4f7f\u7528\u5927\u62ec\u865f\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u89e3\u6c7a\u6b64\u554f\u984c\uff0c\u4e26\u6709\u6548\u5730\u4f7f\u7528 for-in \u8a9e\u53e5\u4f86\u7de8\u5beb\u66f4\u6e05\u6670\u7684\u7a0b\u5f0f\u78bc\u3002<\/p>\n<h2>Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n<h3>Q1: \u70ba\u4ec0\u9ebc Swift \u7684 for-in \u8a9e\u53e5\u4e0d\u9700\u8981\u5206\u865f\uff1f<\/h3>\n<p>A1: Swift \u8a9e\u8a00\u7684\u8a2d\u8a08\u65e8\u5728\u7c21\u5316\u8a9e\u6cd5\uff0c\u53bb\u6389\u4e0d\u5fc5\u8981\u7684\u7b26\u865f\u5982\u5206\u865f\uff0c\u4f7f\u7a0b\u5f0f\u78bc\u66f4\u6613\u65bc\u95b1\u8b80\u548c\u7dad\u8b77\u3002<\/p>\n<h3>Q2: \u5982\u4f55\u8655\u7406\u66f4\u8907\u96dc\u7684\u8ff4\u5708\u7d50\u69cb\uff1f<\/h3>\n<p>A2: \u53ef\u4ee5\u4f7f\u7528\u5d4c\u5957\u7684 for-in \u8a9e\u53e5\u6216\u5176\u4ed6\u63a7\u5236\u7d50\u69cb\u4f86\u8655\u7406\u66f4\u8907\u96dc\u7684\u908f\u8f2f\uff0c\u4e26\u78ba\u4fdd\u6bcf\u500b\u8a9e\u53e5\u90fd\u6709\u5408\u9069\u7684\u958b\u95dc\u7b26\u865f\u3002<\/p>\n<h3>Q3: \u6709\u54ea\u4e9b\u5e38\u898b\u7684 Swift \u8a9e\u6cd5\u932f\u8aa4\uff1f<\/h3>\n<p>A3: \u5e38\u898b\u7684\u932f\u8aa4\u5305\u62ec\u672a\u6b63\u78ba\u5339\u914d\u7684\u62ec\u865f\u3001\u7f3a\u5c11\u5927\u62ec\u865f\u3001\u4f7f\u7528\u4e0d\u7576\u7684\u95dc\u9375\u5b57\u7b49\u3002\u5efa\u8b70\u4f7f\u7528 Xcode \u4f86\u5354\u52a9\u6aa2\u67e5\u548c\u4fee\u6b63\u9019\u4e9b\u932f\u8aa4\u3002<\/p>\n<p>---<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u4ecb\u7d39Swift\u4e2d\u7684for-in\u8a9e\u53e5\uff0c\u4e26\u8a73\u7d30\u89e3\u91cb\u5982\u4f55\u89e3\u6c7a\u300cExpected&#8217;;&#8217;infor-instatement\u300d\u932f\u8aa4\u3002\u8b80\u8005\u5c07\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528for-in\u8a9e\u53e5\uff0c\u4ee5\u53ca\u5982\u4f55\u907f\u514d\u51fa\u73fe\u6b64\u985e\u932f\u8aa4\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-4099","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\/pcFK27-147","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4099","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=4099"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4099\/revisions"}],"predecessor-version":[{"id":4100,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4099\/revisions\/4100"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=4099"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=4099"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=4099"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}