{"id":4193,"date":"2025-06-02T12:17:43","date_gmt":"2025-06-05T04:20:42","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=4193"},"modified":"2025-06-05T12:17:43","modified_gmt":"2025-06-05T04:20:42","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-3","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-3\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3 Swift \u5b57\u5178\u5b57\u9762\u91cf\uff1a\u89e3\u6c7a \u201cExpected &#8216;,&#8217; separator\u201d \u932f\u8aa4\u7684\u6700\u4f73\u5be6\u8e10"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Swift, \u5b57\u5178\u5b57\u9762\u91cf, Expected ',' separator in dictionary literal, Swift \u6559\u5b78, Swift \u932f\u8aa4\u6392\u9664\"><\/p>\n<h2>\u5f15\u8a00<\/h2>\n<p>Swift \u662f\u4e00\u7a2e\u529f\u80fd\u5f37\u5927\u7684\u7a0b\u5f0f\u8a9e\u8a00\uff0c\u4ee5\u5176\u7c21\u6f54\u7684\u8a9e\u6cd5\u548c\u9ad8\u6548\u7684\u6027\u80fd\u53d7\u5230\u958b\u767c\u8005\u7684\u559c\u611b\u3002\u5728\u958b\u767c\u904e\u7a0b\u4e2d\uff0c\u60a8\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u5e38\u898b\u7684\u932f\u8aa4\uff0c\u4f8b\u5982\u300cExpected &#8216;,&#8217; separator in dictionary literal\u300d\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u89e3\u6c7a\u65b9\u6848\uff0c\u4e26\u63d0\u4f9b\u6700\u65b0\u7684 Swift \u8a9e\u6cd5\u548c\u6700\u4f73\u5be6\u8e10\uff0c\u5e6b\u52a9\u60a8\u66f4\u6709\u6548\u7387\u5730\u958b\u767c\u61c9\u7528\u7a0b\u5f0f\u3002<\/p>\n<h2>\u4ec0\u9ebc\u662f\u5b57\u5178\u5b57\u9762\u91cf\uff1f<\/h2>\n<p>\u5b57\u5178\u5b57\u9762\u91cf\u662f Swift \u4e2d\u7528\u4f86\u8868\u793a\u9375\u503c\u5c0d\u96c6\u5408\u7684\u4e00\u7a2e\u8cc7\u6599\u7d50\u69cb\u3002\u5b57\u5178\u4ee5\u9375\uff08key\uff09\u548c\u503c\uff08value\uff09\u7d44\u6210\uff0c\u63d0\u4f9b\u9ad8\u6548\u7684\u8cc7\u6599\u67e5\u8a62\u65b9\u5f0f\u3002\u4ee5\u4e0b\u662f\u5b57\u5178\u5b57\u9762\u91cf\u7684\u7bc4\u4f8b\uff1a<\/p>\n<pre class=\"brush: swift\">\nlet dict = [\"key1\": \"value1\", \"key2\": \"value2\"]\n<\/pre>\n<h2>\u5e38\u898b\u932f\u8aa4\uff1aExpected &#8216;,&#8217; separator<\/h2>\n<p>\u7576\u60a8\u5728\u5b9a\u7fa9\u5b57\u5178\u5b57\u9762\u91cf\u6642\uff0c\u5982\u679c\u7701\u7565\u4e86\u9375\u503c\u5c0d\u4e4b\u9593\u7684\u9017\u865f\uff0c\u5c31\u6703\u51fa\u73fe\u300cExpected &#8216;,&#8217; separator in dictionary literal\u300d\u932f\u8aa4\u3002\u4ee5\u4e0b\u662f\u932f\u8aa4\u793a\u7bc4\uff1a<\/p>\n<pre class=\"brush: swift\">\nlet dict = [\"key1\": \"value1\" \"key2\": \"value2\"]\n\/\/ Error: Expected ',' separator in dictionary literal\n<\/pre>\n<p>\u8981\u89e3\u6c7a\u6b64\u554f\u984c\uff0c\u53ea\u9700\u5728\u6bcf\u500b\u9375\u503c\u5c0d\u4e4b\u9593\u6dfb\u52a0\u9017\u865f\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre class=\"brush: swift\">\nlet dict = [\"key1\": \"value1\", \"key2\": \"value2\"]\n<\/pre>\n<h2>\u932f\u8aa4\u6392\u9664\u6280\u5de7<\/h2>\n<p>\u9047\u5230\u300cExpected &#8216;,&#8217; separator in dictionary literal\u300d\u932f\u8aa4\u6642\uff0c\u60a8\u53ef\u4ee5\u63a1\u7528\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u6392\u9664\uff1a<\/p>\n<p>1. **\u6aa2\u67e5\u5b57\u5178\u7684\u7d50\u69cb**\uff1a\u78ba\u4fdd\u6bcf\u500b\u9375\u503c\u5c0d\u4e4b\u9593\u90fd\u6709\u9017\u865f\u3002<br \/>\n2. **\u4f7f\u7528 Xcode \u7684\u63d0\u793a**\uff1aXcode \u6703\u5728\u7de8\u8f2f\u5668\u4e2d\u6a19\u793a\u932f\u8aa4\u884c\uff0c\u60a8\u53ef\u4ee5\u6839\u64da\u63d0\u793a\u9032\u884c\u4fee\u6539\u3002<br \/>\n3. **\u7c21\u55ae\u7684\u6e2c\u8a66**\uff1a\u5617\u8a66\u5c07\u5b57\u5178\u62c6\u5206\u6210\u66f4\u5c0f\u7684\u90e8\u5206\u9032\u884c\u6e2c\u8a66\uff0c\u4ee5\u627e\u51fa\u554f\u984c\u6240\u5728\u3002<\/p>\n<h2>\u5ef6\u4f38\u61c9\u7528\uff1a\u5b57\u5178\u7684\u9032\u968e\u7528\u6cd5<\/h2>\n<p>\u5b57\u5178\u4e0d\u50c5\u50c5\u53ef\u4ee5\u7528\u4f86\u5b58\u5132\u7c21\u55ae\u7684\u9375\u503c\u5c0d\uff0c\u9084\u53ef\u4ee5\u7528\u65bc\u7ba1\u7406\u66f4\u8907\u96dc\u7684\u8cc7\u6599\u7d50\u69cb\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u5c07\u5b57\u5178\u7528\u65bc\u5b58\u5132\u7528\u6236\u8cc7\u6599\uff1a<\/p>\n<pre class=\"brush: swift\">\nlet user: [String: Any] = [\n    \"name\": \"John\",\n    \"age\": 30,\n    \"isAdmin\": false\n]\n<\/pre>\n<p>\u9019\u6a23\u7684\u7d50\u69cb\u53ef\u4ee5\u5e6b\u52a9\u60a8\u5728\u61c9\u7528\u7a0b\u5f0f\u4e2d\u66f4\u65b9\u4fbf\u5730\u7ba1\u7406\u548c\u4f7f\u7528\u8cc7\u6599\u3002<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u5728 Swift \u4e2d\uff0c\u6b63\u78ba\u4f7f\u7528\u5b57\u5178\u5b57\u9762\u91cf\u662f\u958b\u767c\u61c9\u7528\u7a0b\u5f0f\u7684\u91cd\u8981\u57fa\u790e\u3002\u901a\u904e\u672c\u6587\u7684\u4ecb\u7d39\uff0c\u60a8\u61c9\u8a72\u80fd\u5920\u7406\u89e3\u300cExpected &#8216;,&#8217; separator in dictionary literal\u300d\u932f\u8aa4\u7684\u4f86\u6e90\u53ca\u5176\u89e3\u6c7a\u65b9\u6cd5\uff0c\u4e26\u5b78\u6703\u5982\u4f55\u6b63\u78ba\u4f7f\u7528\u5b57\u5178\u3002<\/p>\n<h2>Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n<h3>Q1: \u5982\u4f55\u5728 Swift \u4e2d\u4f7f\u7528\u53ef\u9078\u9375\u503c\u5c0d\uff1f<\/h3>\n<p>A1: \u60a8\u53ef\u4ee5\u4f7f\u7528 Swift \u7684\u53ef\u9078\u578b\u5225\u4f86\u5b9a\u7fa9\u9375\u503c\u5c0d\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre class=\"brush: swift\">\nlet optionalDict: [String: String?] = [\"key1\": \"value1\", \"key2\": nil]\n<\/pre>\n<h3>Q2: \u5b57\u5178\u6709\u4ec0\u9ebc\u9650\u5236\u55ce\uff1f<\/h3>\n<p>A2: \u5b57\u5178\u7684\u9375\u5fc5\u9808\u662f\u552f\u4e00\u7684\uff0c\u4e14\u5fc5\u9808\u9075\u5faa Hashable \u5354\u8b70\u3002\u503c\u5247\u53ef\u4ee5\u662f\u4efb\u4f55\u578b\u5225\u3002<\/p>\n<h3>Q3: \u5982\u4f55\u904d\u6b77\u5b57\u5178\u4e2d\u7684\u6240\u6709\u9375\u503c\u5c0d\uff1f<\/h3>\n<p>A3: \u60a8\u53ef\u4ee5\u4f7f\u7528 for-in \u8ff4\u5708\u4f86\u904d\u6b77\u5b57\u5178\uff1a<\/p>\n<pre class=\"brush: swift\">\nfor (key, value) in dict {\n    print(\"\\(key): \\(value)\")\n}\n<\/pre>\n<p>&#8212;<\/p>\n<p>\u8acb\u6ce8\u610f\uff0c\u4ee5\u4e0a\u5167\u5bb9\u7d93\u904e\u512a\u5316\u4ee5\u6eff\u8db3\u6700\u65b0\u7684 Swift \u8a9e\u6cd5\u548c\u6700\u4f73\u5be6\u8e10\uff0c\u540c\u6642\u4e5f\u63d0\u5347\u4e86 SEO \u6548\u679c\u3002\u5e0c\u671b\u9019\u80fd\u5e6b\u52a9\u60a8\u7684\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3 Swift \u5b57\u5178\u5b57\u9762\u91cf\u53ca\u5176\u4f7f\u7528\u65b9\u5f0f\uff01<\/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-4193","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\/pcFK27-15D","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4193","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=4193"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4193\/revisions"}],"predecessor-version":[{"id":4194,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4193\/revisions\/4194"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=4193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=4193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=4193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}