{"id":4139,"date":"2025-05-31T12:02:47","date_gmt":"2025-06-05T04:14:47","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=4139"},"modified":"2025-06-05T12:02:47","modified_gmt":"2025-06-05T04:14:47","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%a4-2","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%a4-2\/","title":{"rendered":"\u6df1\u5165\u89e3\u6790 Swift \u4e2d\u7684 for-in \u8a9e\u53e5\uff1a\u89e3\u6c7a\u300cExpected &#8216;;&#8217; in for-in statement\u300d\u932f\u8aa4\u7684\u6700\u4f73\u5be6\u8e10\uff082025 \u66f4\u65b0\uff09"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Swift, for-in \u8a9e\u53e5, Expected ';' in for-in statement, \u7de8\u7a0b\u932f\u8aa4, Swift \u6559\u5b78\"><\/p>\n<h1>\u6df1\u5165\u89e3\u6790 Swift \u4e2d\u7684 for-in \u8a9e\u53e5\uff1a\u89e3\u6c7a\u300cExpected &#8216;;&#8217; in for-in statement\u300d\u932f\u8aa4\u7684\u6700\u4f73\u5be6\u8e10\uff082025 \u66f4\u65b0\uff09<\/h1>\n<p>Swift \u662f\u4e00\u7a2e\u73fe\u4ee3\u7684\u7a0b\u5f0f\u8a9e\u8a00\uff0c\u56e0\u5176\u7c21\u6f54\u7684\u8a9e\u6cd5\u800c\u53d7\u5230\u5ee3\u6cdb\u559c\u611b\u3002\u5118\u7ba1\u5982\u6b64\uff0c\u521d\u5b78\u8005\u5728\u4f7f\u7528 Swift \u7684\u904e\u7a0b\u4e2d\uff0c\u4ecd\u7136\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u300cExpected &#8216;;&#8217; in for-in statement\u300d\u5c31\u662f\u4e00\u500b\u5e38\u898b\u7684\u932f\u8aa4\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u3001\u4fee\u6b63\u65b9\u6cd5\u4ee5\u53ca\u5982\u4f55\u907f\u514d\u985e\u4f3c\u554f\u984c\u7684\u767c\u751f\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\u793a\u5728 for-in \u8a9e\u53e5\u4e2d\u7f3a\u5c11\u5fc5\u8981\u7684\u5206\u865f\uff08;\uff09\u3002\u9019\u662f\u4e00\u500b\u8a9e\u6cd5\u932f\u8aa4\uff0c\u901a\u5e38\u6703\u5c0e\u81f4\u7de8\u8b6f\u5931\u6557\u3002<\/p>\n<h2>\u70ba\u4ec0\u9ebc\u6703\u51fa\u73fe\u300cExpected &#8216;;&#8217; in for-in statement\u300d\u932f\u8aa4\uff1f<\/h2>\n<p>\u8a72\u932f\u8aa4\u7684\u51fa\u73fe\u901a\u5e38\u662f\u56e0\u70ba\u521d\u5b78\u8005\u5c0d Swift \u8a9e\u6cd5\u7684\u8aa4\u89e3\u3002\u5728 Swift \u4e2d\uff0cfor-in \u8a9e\u53e5\u4e0d\u9700\u8981\u5728\u7d50\u5c3e\u52a0\u4e0a\u5206\u865f\uff0c\u9019\u8207\u5176\u4ed6\u67d0\u4e9b\u8a9e\u8a00\uff08\u5982 C++ \u6216 Java\uff09\u6709\u6240\u4e0d\u540c\u3002\u4e0b\u9762\u662f\u4e00\u500b\u793a\u7bc4\uff0c\u986f\u793a\u4e86\u5982\u4f55\u6b63\u78ba\u4f7f\u7528 for-in \u8a9e\u53e5\uff1a<\/p>\n<pre class=\"brush: swift\">\nfor i in 0..<10 {\n    print(i)\n}\n<\/pre>\n<p>\u5982\u4e0a\u6240\u793a\uff0c\u9019\u6bb5\u7a0b\u5f0f\u78bc\u662f\u6b63\u78ba\u7684\uff0c\u4e0d\u9700\u8981\u5728\u7d50\u5c3e\u52a0\u4e0a\u5206\u865f\u3002<\/p>\n<h2>\u5982\u4f55\u89e3\u6c7a\u300cExpected ';' in for-in statement\u300d\u932f\u8aa4\uff1f<\/h2>\n<p>\u8981\u89e3\u6c7a\u9019\u500b\u932f\u8aa4\uff0c\u9996\u5148\u9700\u8981\u78ba\u4fdd\u60a8\u7684 for-in \u8a9e\u53e5\u7684\u8a9e\u6cd5\u6b63\u78ba\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6b65\u9a5f\uff0c\u53ef\u4ee5\u5e6b\u52a9\u60a8\u907f\u514d\u6b64\u932f\u8aa4\uff1a<\/p>\n<p>1. **\u6aa2\u67e5\u8a9e\u6cd5**\uff1a\u78ba\u8a8d for-in \u8a9e\u53e5\u7684\u7d50\u69cb\u662f\u5426\u6b63\u78ba\uff0c\u4e0d\u9700\u8981\u5728\u7d50\u5c3e\u52a0\u4e0a\u5206\u865f\u3002<\/p>\n<p>   \u6b63\u78ba\u7bc4\u4f8b\uff1a<\/p>\n<pre class=\"brush: swift\">\n   for i in 0..<10 {\n       print(i)\n   }\n   <\/pre>\n<p>2. **\u6aa2\u67e5\u4e0a\u4e0b\u6587**\uff1a\u78ba\u4fdd\u6c92\u6709\u5176\u4ed6\u8a9e\u6cd5\u932f\u8aa4\u5f71\u97ff\u5230 for-in \u8a9e\u53e5\u7684\u57f7\u884c\u3002<\/p>\n<p>3. **\u4f7f\u7528 Xcode \u63d0\u793a**\uff1aXcode \u6703\u63d0\u4f9b\u5373\u6642\u7684\u8a9e\u6cd5\u6aa2\u67e5\uff0c\u6ce8\u610f\u4efb\u4f55\u7d05\u8272\u932f\u8aa4\u6a19\u8a18\u4e26\u6839\u64da\u63d0\u793a\u9032\u884c\u4fee\u6b63\u3002<\/p>\n<h2>\u5ef6\u4f38\u61c9\u7528\uff1afor-in \u8a9e\u53e5\u7684\u5176\u4ed6\u7528\u6cd5<\/h2>\n<p>for-in \u8a9e\u53e5\u4e0d\u50c5\u50c5\u53ef\u4ee5\u7528\u4f86\u904d\u6b77\u6578\u5b57\u7bc4\u570d\uff0c\u9084\u53ef\u4ee5\u7528\u4f86\u904d\u6b77\u9663\u5217\u3001\u5b57\u5178\u7b49\u96c6\u5408\u985e\u578b\u3002\u4f8b\u5982\uff1a<\/p>\n<p>1. **\u904d\u6b77\u9663\u5217**\uff1a<\/p>\n<pre class=\"brush: swift\">\n   let fruits = [\"Apple\", \"Banana\", \"Cherry\"]\n   for fruit in fruits {\n       print(fruit)\n   }\n   <\/pre>\n<p>2. **\u904d\u6b77\u5b57\u5178**\uff1a<\/p>\n<pre class=\"brush: swift\">\n   let fruitsPrices = [\"Apple\": 1.0, \"Banana\": 0.5, \"Cherry\": 2.0]\n   for (fruit, price) in fruitsPrices {\n       print(\"\\(fruit) costs \\(price)\")\n   }\n   <\/pre>\n<p>\u9019\u4e9b\u4f8b\u5b50\u986f\u793a\u4e86 for-in \u8a9e\u53e5\u5728 Swift \u4e2d\u7684\u9748\u6d3b\u6027\u548c\u5f37\u5927\u529f\u80fd\u3002<\/p>\n<h2>\u932f\u8aa4\u6392\u9664\u5efa\u8b70<\/h2>\n<p>\u5982\u679c\u60a8\u4ecd\u7136\u9047\u5230\u554f\u984c\uff0c\u8acb\u8003\u616e\u4ee5\u4e0b\u6b65\u9a5f\u4f86\u6392\u9664\u932f\u8aa4\uff1a<\/p>\n<p>- **\u91cd\u555f Xcode**\uff1a\u6709\u6642\u5019 IDE \u53ef\u80fd\u6703\u51fa\u73fe\u66ab\u6642\u6027\u7684\u932f\u8aa4\u3002<br \/>\n- **\u6e05\u7406\u5c08\u6848**\uff1a\u901a\u904e\u300cProduct\u300d>\u300cClean Build Folder\u300d\u4f86\u6e05\u7406\u5c08\u6848\u5f8c\u91cd\u5efa\u3002<br \/>\n- **\u53c3\u8003\u5b98\u65b9\u6587\u6a94**\uff1a\u67e5\u770b [Apple \u7684 Swift \u5b98\u65b9\u6587\u6a94](https:\/\/developer.apple.com\/documentation\/swift) \u78ba\u8a8d\u8a9e\u6cd5\u3002<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u300cExpected ';' in for-in statement\u300d\u932f\u8aa4\u901a\u5e38\u662f\u7531\u65bc\u5c0d Swift \u8a9e\u6cd5\u7684\u8aa4\u89e3\u6240\u5c0e\u81f4\u3002\u900f\u904e\u6b63\u78ba\u7684\u8a9e\u6cd5\u548c\u5c0d\u8a9e\u8a00\u7684\u6df1\u5165\u7406\u89e3\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u89e3\u6c7a\u9019\u500b\u554f\u984c\u4e26\u9032\u4e00\u6b65\u63d0\u5347\u81ea\u5df1\u7684\u7de8\u7a0b\u80fd\u529b\u3002<\/p>\n<h2>Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n<h3>Q1: Swift \u4e2d\u7684 for-in \u8a9e\u53e5\u548c\u5176\u4ed6\u8a9e\u8a00\u6709\u4ec0\u9ebc\u4e0d\u540c\uff1f<\/h3>\n<p>A1: \u5728 Swift \u4e2d\uff0cfor-in \u8a9e\u53e5\u4e0d\u9700\u8981\u5728\u7d50\u5c3e\u52a0\u4e0a\u5206\u865f\uff0c\u9019\u4e00\u9ede\u8207 C++ \u6216 Java \u7b49\u8a9e\u8a00\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<h3>Q2: \u5982\u4f55\u5728 Swift \u4e2d\u904d\u6b77\u9663\u5217\u548c\u5b57\u5178\uff1f<\/h3>\n<p>A2: \u53ef\u4ee5\u4f7f\u7528 for-in \u8a9e\u53e5\u904d\u6b77\u9663\u5217\u548c\u5b57\u5178\uff0c\u683c\u5f0f\u70ba `for element in collection`\uff0c\u5176\u4e2d collection \u53ef\u4ee5\u662f\u9663\u5217\u6216\u5b57\u5178\u3002<\/p>\n<h3>Q3: \u7576\u6211\u9047\u5230\u5176\u4ed6 Swift \u932f\u8aa4\u6642\u61c9\u8a72\u600e\u9ebc\u8fa6\uff1f<\/h3>\n<p>A3: \u6aa2\u67e5\u8a9e\u6cd5\u3001\u4f7f\u7528 Xcode \u7684\u932f\u8aa4\u63d0\u793a\u529f\u80fd\uff0c\u4e26\u53c3\u8003\u5b98\u65b9\u6587\u6a94\u4f86\u4e86\u89e3\u6b63\u78ba\u7684\u7528\u6cd5\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\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-4139","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\/pcFK27-14L","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4139","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=4139"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4139\/revisions"}],"predecessor-version":[{"id":4140,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4139\/revisions\/4140"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=4139"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=4139"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=4139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}