{"id":3917,"date":"2020-07-15T17:46:42","date_gmt":"2020-07-15T09:46:42","guid":{"rendered":"https:\/\/www.webteach.tw\/?p=3917"},"modified":"2020-07-15T17:46:42","modified_gmt":"2020-07-15T09:46:42","slug":"overloading","status":"publish","type":"post","link":"https:\/\/www.webteach.tw\/?p=3917","title":{"rendered":"[ PHP ] \u2013 OOP 9 \u5229\u7528 __call \u4f86\u5be6\u73fe overloading \u591a\u8f09"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u4e0a\u4e00\u7bc7\u4ecb\u7d39\u4e86 \u9b54\u8853\u65b9\u6cd5 __call \uff0c\u9664\u4e86\u7576\u9632\u5446\u4e4b\u5916\u9084\u53ef\u4ee5\u62ff\u4f86\u5be6\u73fe overloading \u591a\u8f09\uff0c\u5148\u7c21\u55ae\u4ecb\u7d39\u4e00\u4e0b\u591a\u8f09\u662f\u4ec0\u9ebc\uff0c\u5c31\u662f\u540c\u4e00\u500b\u65b9\u6cd5 \u6703\u56e0\u70ba\u6240\u8f09\u5165\u7684\u53c3\u6578\u7684\u4e0d\u540c\u800c\u53bb\u505a\u4e0d\u4e00\u6a23\u7684\u52d5\u4f5c\u3002<\/p>\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">\n\/\/__call \u547c\u53eb\u5230\u4e0d\u5b58\u5728\u7684\u65b9\u6cd5\u5f8c \u6703\u89f8\u767c\u5230\u6b64\u65b9\u6cd5\nclass People {\n\tprivate $height;\/\/\u8eab\u9ad8\n\tprivate $weight;\/\/\u9ad4\u91cd\n\tprivate $sex;\/\/\u59d3\u5225 \u8981\u6539\u6210 \u4fdd\u8b77 \u5b50\u985e\u5225\u624d\u53ef\u4ee5\u8b8a\u66f4\u5b83\u7684\u503c\n\tfunction __call($fun, $args) {\n\t\t$count=count($args);\n        switch($fun) {\n\t\t\tcase 'set':\n\t\t\t\tswitch($count){\n\t\t\t\t\tcase 3:\n\t\t\t\t\t\tif (is_int($args[0]) &amp;&amp; is_int($args[1]) &amp;&amp; is_string($args[2])) { \/\/ \u6578\u5b57,\u6578\u5b57,\u5b57\u4e32 \u53c3\u6578\u7684\u683c\u5f0f\n\t\t\t\t\t\t\t$this->height=$args[0];\n\t\t\t\t\t\t\t$this->weight=$args[1];\n\t\t\t\t\t\t\t$this->sex   =$args[2];\n\t\t\t\t\t\t}break;\n\t\t\t\t\tcase 2:\n\t\t\t\t\t\tif (is_int($args[0]) &amp;&amp; is_int($args[1])) { \/\/ \u6578\u5b57,\u6578\u5b57 \u53c3\u6578\u7684\u683c\u5f0f\n\t\t\t\t\t\t\t$this->height=$args[0];\n\t\t\t\t\t\t\t$this->weight=$args[1];\n\t\t\t\t\t\t}break;\n\t\t\t\t\tcase 1:\n\t\t\t\t\t\tif (is_int($args[0]) ) { \/\/ \u6578\u5b57 \u53c3\u6578\u7684\u683c\u5f0f\n\t\t\t\t\t\t\t$this->height=$args[0];\n\t\t\t\t\t\t}break;\n\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t$this->height=0;\n\t\t\t\t\t\t\t$this->weight=0;\n\t\t\t\t\t\t\t$this->sex   ='male';\n\t\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\tcase 'get':\/\/\u53d6\u5f97\u4e09\u500b\u53c3\u6578\n\t\t\t\treturn '&lt;br>jeff \u7684\u8eab\u9ad8\u662f\uff1a'.$this->height.\n\t\t\t\t\t   '&lt;br>jeff \u7684\u9ad4\u91cd\u662f\uff1a'.$this->weight.\n\t\t\t\t\t   '&lt;br>jeff \u7684\u59d3\u5225\u662f\uff1a'.$this->sex.'&lt;br>';\n\t\t\tdefault:\n\t\t\t\techo '\u627e\u4e0d\u5230'.$fun.'\u9019\u500b\u65b9\u6cd5' ;\n        }\n    }\n}\n$jeff = new People();\necho '&lt;br>\u5e36\u4e09\u500b\u53c3\u6578&lt;br>';\n$jeff->set(170,65,'male');\necho $jeff->get();\necho '&lt;br>\u5e36\u5169\u500b\u53c3\u6578&lt;br>';\n$jeff->set(180,70);\/\/\u53ea\u8b8a\u66f4 \u8eab\u9ad8 \u9ad4\u91cd\necho $jeff->get();\necho '&lt;br>\u5e36\u4e00\u500b\u53c3\u6578&lt;br>';\n$jeff->set(190);\/\/\u53ea\u8b8a\u66f4 \u8eab\u9ad8\necho $jeff->get();\necho '&lt;br>\u7b2c\u4e00\u500b\u53c3\u6578\u975e\u6578\u5b57\u6642&lt;br>';\n$jeff->set('abc',99,'female');\/\/\u9019\u88e1\u7684\u503c\u5c31\u4e0d\u6703\u5beb\u9032\u53bb\necho $jeff->get();\/\/\u8b80\u53d6\u6642\u6703\u8b80\u5230\u6700\u5f8c\u4e00\u6b21\u7570\u52d5\u7684\u503c\necho '&lt;br>\u5176\u5b83\u975e get set \u4e4b\u5916\u7684\u65b9\u6cd5&lt;br>';\n$jeff->gcc();\n\/\/\u986f\u793a\u7d50\u679c\n\/*\n\u5e36\u4e09\u500b\u53c3\u6578\njeff \u7684\u8eab\u9ad8\u662f\uff1a170\njeff \u7684\u9ad4\u91cd\u662f\uff1a65\njeff \u7684\u59d3\u5225\u662f\uff1amale\n\u5e36\u5169\u500b\u53c3\u6578\njeff \u7684\u8eab\u9ad8\u662f\uff1a180\njeff \u7684\u9ad4\u91cd\u662f\uff1a70\njeff \u7684\u59d3\u5225\u662f\uff1amale\n\u5e36\u4e00\u500b\u53c3\u6578\njeff \u7684\u8eab\u9ad8\u662f\uff1a190\njeff \u7684\u9ad4\u91cd\u662f\uff1a70\njeff \u7684\u59d3\u5225\u662f\uff1amale\n\u7b2c\u4e00\u500b\u53c3\u6578\u975e\u6578\u5b57\u6642\njeff \u7684\u8eab\u9ad8\u662f\uff1a190\njeff \u7684\u9ad4\u91cd\u662f\uff1a70\njeff \u7684\u59d3\u5225\u662f\uff1amale\n\u5176\u5b83\u975e get set \u4e4b\u5916\u7684\u65b9\u6cd5\n\u627e\u4e0d\u5230gcc\u9019\u500b\u65b9\u6cd5\n*\/<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u4e0a\u4e00\u7bc7\u4ecb\u7d39\u4e86 \u9b54\u8853\u65b9\u6cd5 __call \uff0c\u9664\u4e86\u7576\u9632\u5446&#8230;<\/p>\n","protected":false},"author":1,"featured_media":2201,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[48,36],"tags":[49,429,434,448,765],"class_list":["post-3917","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-oop","category-php","tag-__call","tag-oop","tag-overloading","tag-php","tag-765","hvn-theme-has-thumbnail"],"_links":{"self":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts\/3917","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3917"}],"version-history":[{"count":0,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts\/3917\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/media\/2201"}],"wp:attachment":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3917"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3917"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3917"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}