{"id":4153,"date":"2025-06-04T11:57:22","date_gmt":"2025-06-05T04:16:21","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=4153"},"modified":"2025-06-05T11:57:22","modified_gmt":"2025-06-05T04:16:21","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%e5%ad%97%e5%85%b8%e5%ad%97%e9%9d%a2%e9%87%8f%e4%be%86%e8%a7%a3%e6%b1%baexpectedseparator%e9%8c%af-2","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%e5%ad%97%e5%85%b8%e5%ad%97%e9%9d%a2%e9%87%8f%e4%be%86%e8%a7%a3%e6%b1%baexpectedseparator%e9%8c%af-2\/","title":{"rendered":"\u89e3\u6c7a Swift \u4e2d\u7684\u300cExpected &#8216;,&#8217; separator in dictionary literal\u300d\u932f\u8aa4\uff1a2025 \u6700\u65b0\u6559\u5b78\u8207\u6700\u4f73\u5be6\u8e10"},"content":{"rendered":"<p>&#8220;`html<br \/>\n<meta name=\"keywords\" content=\"Swift, Expected ',' separator in dictionary literal, Swift \u5b57\u5178\u6559\u5b78, Swift \u932f\u8aa4\u6392\u9664\"><\/p>\n<h2>\u5f15\u8a00<\/h2>\n<p>Swift \u662f\u4e00\u7a2e\u73fe\u4ee3\u5316\u7684\u7a0b\u5f0f\u8a9e\u8a00\uff0c\u6191\u85c9\u5176\u7c21\u6f54\u7684\u8a9e\u6cd5\u548c\u5f37\u5927\u7684\u529f\u80fd\uff0c\u6210\u70ba\u8a31\u591a\u958b\u767c\u8005\u7684\u9078\u64c7\u3002\u5728\u958b\u767c\u904e\u7a0b\u4e2d\uff0c\u60a8\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u5e38\u898b\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u662f\u300cExpected &#8216;,&#8217; separator in dictionary literal\u300d\u3002\u672c\u6587\u5c07\u91dd\u5c0d\u8a72\u932f\u8aa4\u63d0\u4f9b\u89e3\u6c7a\u65b9\u6848\uff0c\u4e26\u4ecb\u7d39\u5b57\u5178\u5b57\u9762\u91cf\u7684\u4f7f\u7528\u65b9\u5f0f\uff0c\u4ee5\u4fbf\u65bc\u60a8\u57282025\u5e74\u80fd\u5920\u638c\u63e1\u6700\u65b0\u7684 Swift \u8a9e\u6cd5\u8207\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2>\u7406\u89e3\u5b57\u5178\u5b57\u9762\u91cf\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5b57\u5178\u662f\u4e00\u7a2e\u8cc7\u6599\u7d50\u69cb\uff0c\u5141\u8a31\u60a8\u4ee5\u9375\u503c\u5c0d\u7684\u65b9\u5f0f\u5b58\u5132\u8cc7\u6599\u3002\u5728 Swift \u4e2d\uff0c\u5b57\u5178\u5b57\u9762\u91cf\u7684\u8a9e\u6cd5\u975e\u5e38\u7c21\u55ae\uff0c\u4ee5\u4e0b\u662f\u5b9a\u7fa9\u5b57\u5178\u7684\u57fa\u672c\u65b9\u5f0f\uff1a<\/p>\n<pre class=\"brush: swift\">\nlet myDictionary = [\"key\": \"value\"]\n<\/pre>\n<h2>\u5b57\u5178\u7684\u6b63\u78ba\u5b9a\u7fa9\u65b9\u5f0f<\/h2>\n<p>\u7576\u60a8\u9700\u8981\u5b9a\u7fa9\u591a\u500b\u9375\u503c\u5c0d\u6642\uff0c\u5fc5\u9808\u5728\u6bcf\u500b\u9375\u503c\u5c0d\u4e4b\u9593\u52a0\u4e0a\u9017\u865f\u3002\u4ee5\u4e0b\u662f\u6b63\u78ba\u7684\u8a9e\u6cd5\u793a\u4f8b\uff1a<\/p>\n<pre class=\"brush: swift\">\nlet myDictionary = [\"key1\": \"value1\", \"key2\": \"value2\"]\n<\/pre>\n<h2>\u6392\u9664\u300cExpected &#8216;,&#8217; separator in dictionary literal\u300d\u932f\u8aa4<\/h2>\n<p>\u7576\u60a8\u5728\u5b9a\u7fa9\u5b57\u5178\u6642\u5fd8\u8a18\u5728\u9375\u503c\u5c0d\u4e4b\u9593\u52a0\u4e0a\u9017\u865f\uff0c\u7de8\u8b6f\u5668\u6703\u63d0\u793a\u60a8\u300cExpected &#8216;,&#8217; separator in dictionary literal\u300d\u932f\u8aa4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u60c5\u5883\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<ul>\n<li><strong>\u932f\u8aa4\u7bc4\u4f8b\uff1a<\/strong>\n<pre class=\"brush: swift\">\n    let myDictionary = [\"key1\": \"value1\" \"key2\": \"value2\"] \/\/ \u7f3a\u5c11\u9017\u865f\n    <\/pre>\n<\/li>\n<li><strong>\u4fee\u6b63\u5f8c\uff1a<\/strong>\n<pre class=\"brush: swift\">\n    let myDictionary = [\"key1\": \"value1\", \"key2\": \"value2\"] \/\/ \u6b63\u78ba\n    <\/pre>\n<\/li>\n<\/ul>\n<h2>\u5ef6\u4f38\u61c9\u7528\uff1a\u5b57\u5178\u7684\u5176\u4ed6\u64cd\u4f5c<\/h2>\n<p>\u9664\u4e86\u57fa\u672c\u7684\u5b57\u5178\u5b9a\u7fa9\uff0c\u60a8\u9084\u53ef\u4ee5\u9032\u884c\u5176\u4ed6\u64cd\u4f5c\uff0c\u4f8b\u5982\u65b0\u589e\u9375\u503c\u5c0d\u3001\u522a\u9664\u9375\u503c\u5c0d\u548c\u67e5\u8a62\u503c\u3002\u4ee5\u4e0b\u662f\u5e7e\u500b\u5be6\u4f5c\u7bc4\u4f8b\uff1a<\/p>\n<pre class=\"brush: swift\">\n\/\/ \u65b0\u589e\u9375\u503c\u5c0d\nvar myDictionary = [\"key1\": \"value1\"]\nmyDictionary[\"key2\"] = \"value2\"\n\n\/\/ \u522a\u9664\u9375\u503c\u5c0d\nmyDictionary[\"key1\"] = nil\n\n\/\/ \u67e5\u8a62\u503c\nif let value = myDictionary[\"key2\"] {\n    print(\"The value for key2 is \\(value)\")\n}\n<\/pre>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u5728 Swift \u4e2d\uff0c\u6b63\u78ba\u4f7f\u7528\u5b57\u5178\u5b57\u9762\u91cf\u4e0d\u50c5\u53ef\u4ee5\u5e6b\u52a9\u60a8\u907f\u514d\u5e38\u898b\u932f\u8aa4\uff0c\u9084\u80fd\u63d0\u5347\u7a0b\u5f0f\u7684\u53ef\u8b80\u6027\u8207\u7dad\u8b77\u6027\u3002\u78ba\u4fdd\u5728\u6bcf\u500b\u9375\u503c\u5c0d\u4e4b\u9593\u4f7f\u7528\u9017\u865f\u5206\u9694\uff0c\u9019\u6a23\u60a8\u5c31\u80fd\u5920\u9806\u5229\u7de8\u8b6f\u4e26\u904b\u884c\u60a8\u7684\u7a0b\u5f0f\u3002<\/p>\n<h2>Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n<h3>Q1: \u5982\u4f55\u5728 Swift \u4e2d\u5408\u4f75\u5169\u500b\u5b57\u5178\uff1f<\/h3>\n<p>A1: \u60a8\u53ef\u4ee5\u4f7f\u7528 `merging` \u65b9\u6cd5\u4f86\u5408\u4f75\u5b57\u5178\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre class=\"brush: swift\">\nlet dict1 = [\"key1\": \"value1\"]\nlet dict2 = [\"key2\": \"value2\"]\nlet mergedDict = dict1.merging(dict2) { (current, _) in current }\n<\/pre>\n<h3>Q2: \u5728\u5b57\u5178\u4e2d\u5982\u4f55\u6aa2\u67e5\u67d0\u500b\u9375\u662f\u5426\u5b58\u5728\uff1f<\/h3>\n<p>A2: \u60a8\u53ef\u4ee5\u4f7f\u7528 `keys` \u5c6c\u6027\u4f86\u6aa2\u67e5\u9375\u662f\u5426\u5b58\u5728\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre class=\"brush: swift\">\nif myDictionary.keys.contains(\"key1\") {\n    print(\"key1 exists in the dictionary.\")\n}\n<\/pre>\n<h3>Q3: Swift \u4e2d\u7684\u5b57\u5178\u53ef\u4ee5\u5b58\u5132\u4e0d\u540c\u985e\u578b\u7684\u503c\u55ce\uff1f<\/h3>\n<p>A3: \u662f\u7684\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 `Any` \u985e\u578b\u4f86\u5b58\u5132\u4e0d\u540c\u985e\u578b\u7684\u503c\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre class=\"brush: swift\">\nlet mixedDictionary: [String: Any] = [\"key1\": \"value1\", \"key2\": 42, \"key3\": true]\n<\/pre>\n<p>&#8220;`<br \/>\n&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528Swift\u4e2d\u7684\u5b57\u5178\u5b57\u9762\u91cf\u4f86\u89e3\u6c7a\u201cExpected&#8217;,&#8217;separator\u201d\u932f\u8aa4\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u6709\u7528\u7684\u6280\u5de7\u4f86\u5e6b\u52a9\u958b\u767c\u8005\u89e3\u6c7a\u6b64\u985e\u554f\u984c\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-4153","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\/pcFK27-14Z","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4153","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=4153"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4153\/revisions"}],"predecessor-version":[{"id":4154,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4153\/revisions\/4154"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=4153"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=4153"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=4153"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}