{"rsdb":{"rid":"345946","subhead":"","postdate":"0","aid":"246440","fid":"89","uid":"1","topic":"1","content":"<div id=\"cnblogs_post_body\" class=\"blogpost-body \"> \n <p>&nbsp;<\/p> \n <p>&nbsp;<\/p> \n <h1><span style=\"color: #ff0000;\">\u7c7b<\/span><\/h1> \n <h2><span style=\"color: #0000ff;\">\u7c7b\u7684\u8f6c\u5316<\/span><\/h2> \n <div class=\"cnblogs_code\"> \n  <pre><span style=\"color: #008000;\">\/\/<\/span><span style=\"color: #008000;\">    \u7528\u6cdb\u578b\u66ff\u4ee3\u7236\u7c7b\uff1a<\/span>\r\nfunc valueIsOk&lt;T: JSONModel&gt;<span style=\"color: #000000;\">(anyClass: T) {\r\n\r\n}\r\n\r\n<\/span><span style=\"color: #008000;\">\/\/<\/span><span style=\"color: #008000;\">    JSONCart \u662f JSONModel\u7684\u5b50\u7c7b\uff0c\u4f20\u5165JSONCart<\/span>\r\nself.valueIsOk(anyClass: item)<\/pre> \n <\/div> \n <p>&nbsp;<\/p> \n <p>&nbsp;<\/p> \n <p>&nbsp;<\/p> \n <hr \/> \n <p>&nbsp;<\/p> \n <p>&nbsp;<\/p> \n <h1><span style=\"color: #ff0000;\">\u6570\u7ec4<\/span><\/h1> \n <h2><span style=\"color: #0000ff;\">\u5b9a\u4e49\u6570\u7ec4<\/span><\/h2> \n <div class=\"cnblogs_code\"> \n  <pre><span style=\"color: #008080;\">1<\/span> <span style=\"color: #008000;\">\/\/<\/span><span style=\"color: #008000;\">\u5b9a\u4e49\u6570\u7ec4\u7c7b\u578b<\/span>\r\n<span style=\"color: #008080;\">2<\/span> \r\n<span style=\"color: #008080;\">3<\/span> <span style=\"color: #0000ff;\">var<\/span> array1: Array&lt;String&gt;\r\n<span style=\"color: #008080;\">4<\/span> <span style=\"color: #0000ff;\">var<\/span> array2:[String]<\/pre> \n <\/div> \n <h2><span style=\"color: #0000ff;\">\u521b\u5efa\u6570\u7ec4<\/span><\/h2> \n <div class=\"cnblogs_code\"> \n  <pre><span style=\"color: #008080;\">1<\/span> <span style=\"color: #008000;\">\/\/<\/span><span style=\"color: #008000;\">Int\u7c7b\u578b\u6570\u7ec4<\/span>\r\n<span style=\"color: #008080;\">2<\/span> <span style=\"color: #0000ff;\">var<\/span> arr0 = Array&lt;Int&gt;<span style=\"color: #000000;\">()\r\n<\/span><span style=\"color: #008080;\">3<\/span> \r\n<span style=\"color: #008080;\">4<\/span> <span style=\"color: #008000;\">\/\/<\/span><span style=\"color: #008000;\">\u6216\u8005<\/span>\r\n<span style=\"color: #008080;\">5<\/span> \r\n<span style=\"color: #008080;\">6<\/span> <span style=\"color: #0000ff;\">var<\/span> arr1 = [Int]()<\/pre> \n <\/div> \n <p>&nbsp;<\/p> \n <h2><span style=\"color: #0000ff;\">\u6570\u7ec4\u8f6c\u5316\u4e3aAny\u7c7b\u578b<\/span><\/h2> \n <p><span style=\"color: #000000;\">\u4e00\u4e2a\u4e0d\u77e5\u7c7b\u578b\u7684\u6570\u7ec4\u53d8\u91cf someArray<\/span><\/p> \n <div class=\"cnblogs_Highlighter\"> \n  <pre class=\"brush:csharp;gutter:true;\">let dataArray =  (someArray as? Array&lt;Any&gt;)<\/pre> \n <\/div> \n <p>\u6216\u8005\u8fd9\u6837<\/p> \n <div class=\"cnblogs_Highlighter\"> \n  <pre class=\"brush:csharp;gutter:true;\">let dataArray = (someArray as? [Any])\r\n<\/pre> \n <\/div> \n <p>&nbsp;\u90fd\u53ef\u4ee5\u7684\u3002<\/p> \n <p>&nbsp;<\/p> \n <p>&nbsp;<\/p> \n <hr \/> \n <p>&nbsp;<\/p> \n <p>&nbsp;<\/p> \n <h1><span style=\"color: #ff0000;\">\u5b57\u5178<\/span><\/h1> \n <h2><span style=\"color: #0000ff;\">\u5b57\u5178\u8f6c\u5316<\/span><\/h2> \n <div class=\"cnblogs_code\"> \n  <pre><span style=\"color: #008080;\">1<\/span> <span style=\"color: #008000;\">\/\/<\/span><span style=\"color: #008000;\">    \u628a item \u8f6c\u5316\u4e3a\u5b57\u5178\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a<\/span>\r\n<span style=\"color: #008080;\">2<\/span> let dic = item <span style=\"color: #0000ff;\">as<\/span>?<span style=\"color: #000000;\"> [String: Any]\r\n<\/span><span style=\"color: #008080;\">3<\/span> <span style=\"color: #008000;\">\/\/<\/span><span style=\"color: #008000;\">    \u6216\u8005<\/span>\r\n<span style=\"color: #008080;\">4<\/span> let dic1 = item <span style=\"color: #0000ff;\">as<\/span>? Dictionary[String: Any]<\/pre> \n <\/div> \n <p>&nbsp;<\/p> \n<\/div>","orderid":"0","title":"\u7c7b\u578b\u8f6c\u5316","smalltitle":"","mid":"0","fname":"Swift","special_id":"0","bak_id":"0","info":"0","hits":"277","pages":"1","comments":"0","posttime":"2019-09-03 02:41:09","list":"1567449669","username":"admin","author":"","copyfrom":"","copyfromurl":"","titlecolor":"","fonttype":"0","titleicon":"0","picurl":"https:\/\/www.cppentry.com\/upload_files\/","ispic":"0","yz":"1","yzer":"","yztime":"0","levels":"0","levelstime":"0","keywords":"<A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=%C0%E0%D0%CD' target=_blank>\u7c7b\u578b<\/A> <A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=%D7%AA%BB%AF' target=_blank>\u8f6c\u5316<\/A>","jumpurl":"","iframeurl":"","style":"","template":"a:3:{s:4:\"head\";s:0:\"\";s:4:\"foot\";s:0:\"\";s:8:\"bencandy\";s:0:\"\";}","target":"0","ip":"120.229.33.54","lastfid":"0","money":"0","buyuser":"","passwd":"","allowdown":"","allowview":"","editer":"","edittime":"0","begintime":"0","endtime":"0","description":"\u7c7b\u578b\u8f6c\u5316","lastview":"1713534638","digg_num":"0","digg_time":"0","forbidcomment":"0","ifvote":"0","heart":"","htmlname":"","city_id":"0"},"page":"1"}