{"id":521,"date":"2018-02-23T23:38:58","date_gmt":"2018-02-23T15:38:58","guid":{"rendered":"http:\/\/60.205.208.74\/2018\/02\/23\/swift-%e5%be%aa%e7%8e%af\/"},"modified":"2018-02-23T23:38:58","modified_gmt":"2018-02-23T15:38:58","slug":"swift-%e5%be%aa%e7%8e%af","status":"publish","type":"post","link":"https:\/\/www.puzi7.net\/?p=521","title":{"rendered":"Swift \u5faa\u73af"},"content":{"rendered":"
\n
\n

Swift \u5faa\u73af<\/h1>\n
\n

\u6709\u7684\u65f6\u5019\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u591a\u6b21\u6267\u884c\u540c\u4e00\u5757\u4ee3\u7801\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u8bed\u53e5\u662f\u6309\u987a\u5e8f\u6267\u884c\u7684\uff1a\u51fd\u6570\u4e2d\u7684\u7b2c\u4e00\u4e2a\u8bed\u53e5\u5148\u6267\u884c\uff0c\u63a5\u7740\u662f\u7b2c\u4e8c\u4e2a\u8bed\u53e5\uff0c\u4f9d\u6b64\u7c7b\u63a8\u3002<\/p>\n

\u7f16\u7a0b\u8bed\u8a00\u63d0\u4f9b\u4e86\u66f4\u4e3a\u590d\u6742\u6267\u884c\u8def\u5f84\u7684\u591a\u79cd\u63a7\u5236\u7ed3\u6784\u3002<\/p>\n

\u5faa\u73af\u8bed\u53e5\u5141\u8bb8\u6211\u4eec\u591a\u6b21\u6267\u884c\u4e00\u4e2a\u8bed\u53e5\u6216\u8bed\u53e5\u7ec4\uff0c\u4e0b\u9762\u662f\u5927\u591a\u6570\u7f16\u7a0b\u8bed\u8a00\u4e2d\u5faa\u73af\u8bed\u53e5\u7684\u6d41\u7a0b\u56fe\uff1a<\/p>\n

\"\u5faa\u73af\u7ed3\u6784\"\n<\/div>\n

\u5faa\u73af\u7c7b\u578b<\/h2>\n

Swift \u8bed\u8a00\u63d0\u4f9b\u4e86\u4ee5\u4e0b\u51e0\u79cd\u5faa\u73af\u7c7b\u578b\u3002\u70b9\u51fb\u94fe\u63a5\u67e5\u770b\u6bcf\u4e2a\u7c7b\u578b\u7684\u8be6\u7ec6\u63cf\u8ff0\uff1a<\/p>\n\n\n\n\n\n\n\n
\u5faa\u73af\u7c7b\u578b<\/th>\n\u63cf\u8ff0<\/th>\n<\/tr>\n
\n

for-in<\/a><\/p>\n<\/td>\n

\u904d\u5386\u4e00\u4e2a\u96c6\u5408\u91cc\u9762\u7684\u6240\u6709\u5143\u7d20\uff0c\u4f8b\u5982\u7531\u6570\u5b57\u8868\u793a\u7684\u533a\u95f4\u3001\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3001\u5b57\u7b26\u4e32\u4e2d\u7684\u5b57\u7b26\u3002<\/td>\n<\/tr>\n
\n

for \u5faa\u73af<\/a><\/p>\n<\/td>\n

\n

\n
\n<\/i>
\n\u8be5\u5faa\u73af\u65b9\u5f0f\u5728 Swift 3 \u4e2d\u5df2\u7ecf\u5f03\u7528\u3002<\/span>\n<\/p>\n

\u7528\u6765\u91cd\u590d\u6267\u884c\u4e00\u7cfb\u5217\u8bed\u53e5\u76f4\u5230\u8fbe\u6210\u7279\u5b9a\u6761\u4ef6\u8fbe\u6210\uff0c\u4e00\u822c\u901a\u8fc7\u5728\u6bcf\u6b21\u5faa\u73af\u5b8c\u6210\u540e\u589e\u52a0\u8ba1\u6570\u5668\u7684\u503c\u6765\u5b9e\u73b0\u3002<\/p>\n<\/td>\n<\/tr>\n

\n

while \u5faa\u73af<\/a><\/p>\n<\/td>\n

\u8fd0\u884c\u4e00\u7cfb\u5217\u8bed\u53e5\uff0c\u5982\u679c\u6761\u4ef6\u4e3atrue\uff0c\u4f1a\u91cd\u590d\u8fd0\u884c\uff0c\u76f4\u5230\u6761\u4ef6\u53d8\u4e3afalse\u3002<\/td>\n<\/tr>\n
\n

repeat…while \u5faa\u73af<\/a><\/p>\n<\/td>\n

\u7c7b\u4f3c while \u8bed\u53e5\u533a\u522b\u5728\u4e8e\u5224\u65ad\u5faa\u73af\u6761\u4ef6\u4e4b\u524d\uff0c\u5148\u6267\u884c\u4e00\u6b21\u5faa\u73af\u7684\u4ee3\u7801\u5757\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

\u5faa\u73af\u63a7\u5236\u8bed\u53e5<\/h2>\n

\u5faa\u73af\u63a7\u5236\u8bed\u53e5\u6539\u53d8\u4f60\u4ee3\u7801\u7684\u6267\u884c\u987a\u5e8f\uff0c\u901a\u8fc7\u5b83\u4f60\u53ef\u4ee5\u5b9e\u73b0\u4ee3\u7801\u7684\u8df3\u8f6c\u3002Swift \u4ee5\u4e0b\u51e0\u79cd\u5faa\u73af\u63a7\u5236\u8bed\u53e5\uff1a<\/p>\n\n\n\n\n\n\n
\u63a7\u5236\u8bed\u53e5<\/th>\n\u63cf\u8ff0<\/th>\n<\/tr>\n
\n

continue \u8bed\u53e5<\/a><\/p>\n<\/td>\n

\u544a\u8bc9\u4e00\u4e2a\u5faa\u73af\u4f53\u7acb\u523b\u505c\u6b62\u672c\u6b21\u5faa\u73af\u8fed\u4ee3\uff0c\u91cd\u65b0\u5f00\u59cb\u4e0b\u6b21\u5faa\u73af\u8fed\u4ee3\u3002<\/td>\n<\/tr>\n
\n

break \u8bed\u53e5<\/a><\/p>\n<\/td>\n

\u4e2d\u65ad\u5f53\u524d\u5faa\u73af\u3002<\/td>\n<\/tr>\n
\n

fallthrough \u8bed\u53e5<\/a><\/p>\n<\/td>\n

\u5982\u679c\u5728\u4e00\u4e2acase\u6267\u884c\u5b8c\u540e\uff0c\u7ee7\u7eed\u6267\u884c\u4e0b\u9762\u7684case\uff0c\u9700\u8981\u4f7f\u7528fallthrough(\u8d2f\u7a7f)\u5173\u952e\u5b57\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

Swift \u5faa\u73af \u6709\u7684\u65f6\u5019\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u591a\u6b21\u6267\u884c\u540c\u4e00\u5757\u4ee3\u7801\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u8bed\u53e5\u662f\u6309\u987a\u5e8f\u6267\u884c\u7684…<\/span><\/p>\n

Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26,28],"tags":[74,119],"class_list":["post-521","post","type-post","status-publish","format-standard","hentry","category-mobile","category-swift","tag-ios","tag-swift","zoom-theme-has-thumb"],"yoast_head":"\nSwift \u5faa\u73af - \u8c31\u5b50\u68cb - Puzi7<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.puzi7.net\/?p=521\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Swift \u5faa\u73af - \u8c31\u5b50\u68cb - Puzi7\" \/>\n<meta property=\"og:description\" content=\"Swift \u5faa\u73af \u6709\u7684\u65f6\u5019\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u591a\u6b21\u6267\u884c\u540c\u4e00\u5757\u4ee3\u7801\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u8bed\u53e5\u662f\u6309\u987a\u5e8f\u6267\u884c\u7684…Read More\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.puzi7.net\/?p=521\" \/>\n<meta property=\"og:site_name\" content=\"\u8c31\u5b50\u68cb - 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