{"id":6335,"date":"2022-07-07T22:08:52","date_gmt":"2022-07-07T14:08:52","guid":{"rendered":"http:\/\/123.57.164.21\/?p=6335"},"modified":"2022-07-07T22:08:52","modified_gmt":"2022-07-07T14:08:52","slug":"%e6%b5%85%e8%b0%88%e6%8e%a7%e5%88%b6%e5%8f%8d%e8%bd%ac%e4%b8%8e%e4%be%9d%e8%b5%96%e6%b3%a8%e5%85%a5","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=6335","title":{"rendered":"\u6d45\u8c08\u63a7\u5236\u53cd\u8f6c\u4e0e\u4f9d\u8d56\u6ce8\u5165"},"content":{"rendered":"\n

\u8f6c\u8f7d\uff1ahttps:\/\/zhuanlan.zhihu.com\/p\/33492169<\/p>\n\n\n\n

\u7b2c\u4e00\u7ae0\uff1a\u5c0f\u660e\u548c\u4ed6\u7684\u624b\u673a<\/h5>\n\n\n\n
\n\n\n\n

\u4ece\u524d\u6709\u4e2a\u4eba\u53eb\u5c0f\u660e\u3002<\/p>\n\n\n\n

\u5c0f\u660e\u6709\u4e09\u5927\u7231\u597d\uff0c\u62bd\u70df\uff0c\u559d\u9152\u2026\u2026 \u54b3\u54b3\uff0c\u4e0d\u597d\u610f\u601d\uff0c\u8d70\u9519\u7247\u573a\u4e86\u3002\u5e94\u8be5\u662f\u901b\u77e5\u4e4e\u3001\u73a9\u738b\u8005\u519c\u836f\u548c\u62a2\u5fae\u4fe1\u7ea2\u5305\u3002<\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n

\u6211\u4eec\u7528\u4e00\u6bb5\u7b80\u5355\u7684\u4f2a\u4ee3\u7801\uff0c\u6765\u5236\u9020\u4e00\u4e2a\u8fd9\u6837\u7684\u5c0f\u660e\u3002<\/p>\n\n\n\n

class Ming extends Person\n{\n    private $_name;\n\n    private $_age;\n\n    function read()\n    {\n        \/\/\u901b\u77e5\u4e4e\n    }\n\n    function  play()\n    {\n        \/\/\u73a9\u519c\u836f\n    }\n\n    function  grab()\n    {\n        \/\/\u62a2\u7ea2\u5305\n    }\n\n}<\/pre>\n\n\n\n
\u4f46\u662f\uff0c\u5c0f\u660e\u4f5c\u4e3a\u4e00\u4e2a\u4eba\u7c7b\uff0c\u6ca1\u6709\u529e\u6cd5\u4ec5\u9760\u81ea\u5df1\u5c31\u80fd\u5b9e\u73b0\u4ee5\u4e0a\u7684\u529f\u80fd\uff0c\u4ed6\u5fc5\u987b\u4f9d\u8d56<\/strong>\u4e00\u90e8\u624b\u673a\uff0c\u6240\u4ee5\u4ed6\u4e70\u4e86\u4e00\u53f0iphone6\uff0c\u63a5\u4e0b\u6765\u6211\u4eec\u6765\u5236\u9020\u4e00\u4e2aiphone6\u3002<\/p>\n\n\n\n
class iPhone6 extends Iphone\n{\n    function read($user=\"\u67d0\u4eba\")\n    {\n        echo $user.\"\u6253\u5f00\u4e86\u77e5\u4e4e\u7136\u540e\u7f16\u4e86\u4e00\u4e2a\u6545\u4e8b \\n\";\n    }\n\n    function play($user=\"\u67d0\u4eba\")\n    {\n        echo $user.\"\u6253\u5f00\u4e86\u738b\u8005\u519c\u836f\u5e76\u9001\u8d77\u4e86\u4eba\u5934 \\n\";\n    }\n\n    function grab($user=\"\u67d0\u4eba\")\n    {\n        echo $user.\"\u5f00\u59cb\u62a2\u7ea2\u5305\u5374\u53ea\u62a2\u4e0d\u53d1 \\n\";\n    }\n}<\/pre>\n\n\n\n
\u5c0f\u660e\u975e\u5e38\u73cd\u60dc\u81ea\u5df1\u7684\u65b0\u624b\u673a\uff0c\u6bcf\u5929\u628a\u5b83\u7262\u7262\u63a7\u5236<\/strong>\u5728\u624b\u5fc3\u91cc\uff0c\u6240\u4ee5\u5c0f\u660e\u53d8\u6210\u4e86\u8fd9\u4e2a\u6837\u5b50\u3002<\/p>\n\n\n\n
class Ming extends Person\n{\n    private $_name;\n\n    private $_age;\n\n    public function  __construct()\n    {\n        $this->_name = '\u5c0f\u660e';\n        $this->_age = 26;\n    }\n\n    function read()\n    {\n        \/\/\u2026\u2026  \u7701\u7565\u82e5\u5e72\u4ee3\u7801\n        (new iPhone6())->read($this->_name); \/\/\u901b\u77e5\u4e4e\n    }\n\n    function  play()\n    {\n        \/\/\u2026\u2026  \u7701\u7565\u82e5\u5e72\u4ee3\u7801\n        (new iPhone6())->play($this->_name);\/\/\u73a9\u519c\u836f\n\n    }\n\n    function  grab()\n    {\n        \/\/\u2026\u2026  \u7701\u7565\u82e5\u5e72\u4ee3\u7801\n        (new iPhone6())->grab($this->_name);\/\/\u62a2\u7ea2\u5305\n\n    }\n\n}<\/pre>\n\n\n\n
\u4eca\u5929\u662f\u5468\u516d\uff0c\u5c0f\u660e\u4e0d\u7528\u4e0a\u73ed\uff0c\u4e8e\u662f\u4ed6\u8d77\u5e8a\uff0c\u5e76\u4f9d\u6b21\u901b\u8d77\u4e86\u77e5\u4e4e\uff0c\u73a9\u738b\u8005\u519c\u836f\uff0c\u5e76\u62a2\u4e86\u4e2a\u7ea2\u5305\u3002<\/p>\n\n\n\n
$ming = new Ming();  \/\/\u5c0f\u660e\u8d77\u5e8a\n$ming->read();\n$ming->play();\n$ming->grab();<\/pre>\n\n\n\n
\u8fd9\u4e2a\u65f6\u5019\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u547d\u4ee4\u884c\u91cc\u770b\u5230\u8f93\u51fa\u5982\u4e0b\uff1a<\/p>\n\n\n\n
\u5c0f\u660e\u6253\u5f00\u4e86\u77e5\u4e4e\u7136\u540e\u7f16\u4e86\u4e00\u4e2a\u6545\u4e8b \n\u5c0f\u660e\u6253\u5f00\u4e86\u738b\u8005\u519c\u836f\u5e76\u9001\u8d77\u4e86\u4eba\u5934 \n\u5c0f\u660e\u5f00\u59cb\u62a2\u7ea2\u5305\u5374\u53ea\u62a2\u4e0d\u53d1<\/pre>\n\n\n\n
\u8fd9\u4e00\u5929\uff0c\u5c0f\u660e\u8fc7\u5f97\u5f88\u5145\u5b9e\uff0c\u4ed6\u89c9\u5f97\u81ea\u5df1\u662f\u4e16\u754c\u4e0a\u6700\u5e78\u798f\u7684\u4eba\u3002<\/p>\n\n\n\n
\u7b2c\u4e8c\u7ae0\uff1a \u5c0f\u660e\u7684\u5feb\u4e50\u4e0e\u5fe7\u4f24<\/h5>\n\n\n\n
\n\n\n\n
\u5c0f\u660e\u548c\u4ed6\u7684\u624b\u673a\u66fe\u4e00\u8d77\u5ea6\u8fc7\u4e86\u4e00\u6bb5\u7f8e\u597d\u7684\u65f6\u5149\uff0c\u4e00\u5230\u7a7a\u95f2\u65f6\u523b\uff0c\u4ed6\u5c31\u62b1\u7740\u624b\u673a\uff0c\u901b\u77e5\u4e4e\uff0c\u5237\u5fae\u535a\uff0c\u73a9\u6e38\u620f\uff0c\u4ed6\u89c9\u5f97\u81ea\u5df1\u6839\u672c\u4e0d\u9700\u8981\u5973\u670b\u53cb\uff0c\u53ea\u8981\u6709\u624b\u673a\u5728\u8eab\u8fb9\uff0c\u5c31\u6ee1\u8db3\u4e86\u3002<\/p>\n\n\n\n
\u53ef\u8c01\u80fd\u60f3\u5230\uff0c\u4e00\u6b21\u6b21\u5730\u7cfb\u7edf\u66f4\u65b0\u5f7b\u5e95\u6253\u788e\u4e86\u4ed6\u7684\u68a6\u60f3\uff0c\u4ed6\u7684\u624b\u673a\u53d8\u5f97\u8d8a\u6765\u8d8a\u5361\u987f\uff0c\u7535\u6c60\u7684\u4f7f\u7528\u5bff\u547d\u4e5f\u8d8a\u6765\u8d8a\u77ed\uff0c\u4e00\u76f4\u5230\u67d0\u4e00\u5929\u7684\u5bd2\u98ce\u4e2d\uff0c\u4ed6\u7684\u624b\u673a\u7ec8\u4e8e\u8010\u4e0d\u4f4f\u5bd2\u51b7\uff0c\u5934\u4e5f\u4e0d\u56de\u5730\u5173\u4e86\u673a\u3002<\/p>\n\n\n\n
\u5c0f\u660e\u5f88\u5fe7\u4f24\uff0c\u4ed6\u610f\u8bc6\u5230\uff0c\u81ea\u5df1\u8981\u6362\u624b\u673a\u4e86\u3002<\/p>\n\n\n\n
\u4e3a\u4e86\u80fd\u83b7\u5f97\u66f4\u597d\u7684\u4f7f\u7528\u4f53\u9a8c\uff0c\u5c0f\u660e\u4e00\u54ac\u7259\uff0c\u5241\u624b\u4e86\u4e00\u53f0iphoneX\uff0c\u8fd9\u90e8\u624b\u673a\u94c3\u58f0\u5f88\u5927\uff0c\u7535\u91cf\u5f88\u8db3\uff0c\u8fd8\u80fd\u53cc\u5361\u53cc\u5f85\uff0c\u5c0f\u660e\u5f88\u559c\u6b22\uff0c\u4f46\u662f\u4ed6\u9047\u5230\u4e00\u4e2a\u95ee\u9898\uff0c\u5c31\u662f\u4ed6\u4e4b\u524d\u8fc7\u5ea6\u4f9d\u8d56\u4e86\u539f\u6765\u90a3\u4e00\u90e8iPhone6\uff0c\u4ed6\u4eec\u4e4b\u95f4\u5df2\u7ecf\u6df1\u6df1\u8026\u5408\u5728\u4e00\u8d77\u4e86\uff0c\u5982\u679c\u8981\u6362\u624b\u673a\uff0c\u4ed6\u5c31\u8981\u62ff\u8d77\u5200\u6765\u6539\u9020\u81ea\u5df1\uff0c\u628a\u81ea\u5df1\u4f53\u5185\u6240\u6709\u65b9\u6cd5\u4e2d\u7684iphone6 \u90fd\u6362\u6210 iphoneX\u3002<\/p>\n\n\n\n
\"\"<\/figure><\/div>\n\n\n\n
\u7ecf\u5386\u4e86\u6f2b\u957f\u7684\u6539\u9020\u8fc7\u7a0b\uff0c\u5c0f\u660e\u7ec8\u4e8e\u628a\u4ee3\u7801\u4e2d\u7684 iphone6 \u5168\u90e8\u6362\u6210\u4e86 iphoneX\u3002\u867d\u7136\u5f88\u8f9b\u82e6\uff0c\u4f46\u662f\u5c0f\u660e\u89c9\u5f97\u4ed6\u662f\u5feb\u4e50\u7684\u3002<\/p>\n\n\n\n
\u4e8e\u662f\u5c0f\u660e\u5f00\u5f00\u5fc3\u5fc3\u5730\u5e26\u7740\u624b\u673a\u53bb\u4e0a\u73ed\u4e86\uff0c\u5e76\u5728\u56de\u6765\u7684\u8def\u4e0a\u88ab\u5c0f\u5077\u5077\u8d70\u4e86\u3002\u4e3a\u4e86\u5e94\u6025\uff0c\u5c0f\u660e\u53ea\u597d\u91cd\u65b0\u4f7f\u7528\u90a3\u90e8\u521a\u521a\u88ab\u9057\u5f03\u7684iphone6\uff0c\u4f46\u662f\u4e00\u60f3\u5230\u90a3\u6f2b\u957f\u7684\u6539\u9020\u8fc7\u7a0b\uff0c\u5c0f\u660e\u7684\u5fc3\u91cc\u5c31\u8bf4\u4e0d\u51fa\u7684\u59d4\u5c48\uff0c\u4ed6\u89c9\u5f97\u81ea\u5df1\u8fc7\u4e8e\u4f9d\u8d56<\/strong>\u624b\u673a\u4e86\uff0c\u4e3a\u4ec0\u4e48\u6bcf\u6b21\u624b\u673a\u51fa\u4ec0\u4e48\u95ee\u9898\u4ed6\u90fd\u8981\u53bb\u6539\u9020\u4ed6\u81ea\u5df1\uff0c\u8fd9\u4e0d\u4ec5\u4ec5\u662f\u8fc7\u5ea6\u8026\u5408<\/strong>\uff0c\u7b80\u76f4\u662f\u672c\u672b\u5012\u7f6e<\/strong>\uff0c\u4ed6\u5411\u5929\u7a7a\u5927\u558a\uff0c\u6211\u4e0d\u8981\u518d\u63a7\u5236<\/strong>\u6211\u7684\u624b\u673a\u4e86\u3002<\/p>\n\n\n\n
\u5929\u7a7a\u4e2d\u7684\u9020\u7269\u4e3b\uff0c\u4e5f\u5c31\u662f\u4f5c\u4e3a\u7a0b\u5e8f\u5458\u7684\u6211\uff0c\u542c\u5230\u4e86\u4ed6\u7684\u5450\u558a\uff0c\u6211\u544a\u8bc9\u4ed6\uff0c\u4f60\u4e0d\u7528\u518d\u63a7\u5236\u4f60\u7684\u624b\u673a\u4e86\uff0c\u4ea4\u7ed9\u6211\u6765\u7ba1\u7406\uff0c\u628a\u63a7\u5236\u6743\u4ea4\u7ed9\u6211\u3002\u8fd9\u5c31\u53eb\u505a\u63a7\u5236\u53cd\u8f6c<\/strong>\u3002<\/p>\n\n\n\n
\u7b2c\u4e09\u7ae0\uff1a\u9020\u7269\u4e3b\u7684\u667a\u6167<\/h5>\n\n\n\n
\n\n\n\n
\u5c0f\u660e\u542c\u5230\u4e86\u6211\u7684\u8bdd\uff0c\u4ed6\u65e2\u9ad8\u5174\uff0c\u53c8\u6709\u4e00\u70b9\u5bb3\u6015\uff0c\u4ed6\u8dea\u4e0b\u6765\u78d5\u4e86\u51e0\u4e2a\u5934\uff0c\u8654\u8bda\u5730\u8bf4\u5230\uff1a\u201c\u539f\u6765\u60a8\u5c31\u662f\u4f20\u8bf4\u4e2d\u7684\u9020\u7269\u4e3b\uff0c\u5df4\u683c\u6885\u514b\u4e0a\u795e\u3002\u6211\u542c\u5230\u60a8\u521a\u521a\u8bf4\u4e86 \u63a7\u5236\u53cd\u8f6c<\/strong> \u56db\u4e2a\u5b57\uff0c\u5c31\u662f\u628a\u624b\u673a\u7684\u63a7\u5236\u6743\u4ece\u6211\u7684\u624b\u91cc\u4ea4\u7ed9\u4f60\uff0c\u4f46\u8fd9\u53ea\u662f\u60a8\u7684\u60f3\u6cd5\uff0c\u662f\u4e00\u79cd\u601d\u60f3\u7f62\u4e86\uff0c\u8981\u7528\u4ec0\u4e48\u529e\u6cd5\u624d\u80fd\u5b9e\u73b0\u63a7\u5236\u53cd\u8f6c\uff0c\u53c8\u53ef\u4ee5\u8ba9\u6211\u7ee7\u7eed\u4f7f\u7528\u624b\u673a\u5462\uff1f\u201d<\/p>\n\n\n\n
\u201c\u5475\u201c\uff0c\u8eab\u4e3a\u9020\u7269\u4e3b\u7684\u6211\u5728\u8868\u73b0\u5b8c\u4e0d\u5c51\u4ee5\u540e\uff0c\u6254\u4e0b\u4e86\u56db\u4e2a\u5927\u5b57\uff0c\u201c\u4f9d\u8d56\u6ce8\u5165\uff01\u201d<\/p>\n\n\n\n
\u63a5\u4e0b\u6765\uff0c\u4f1f\u5927\u7684\u6211\u5f00\u59cb\u5bf9\u5c0f\u660e\u8fdb\u884c\u60e8\u65e0\u4eba\u9053\u7684\u6539\u9020\uff0c\u5982\u4e0b<\/p>\n\n\n\n
class Ming extends Person\n{\n    private $_name;\n\n    private $_age;\n\n    private $_phone; \/\/\u5c06\u624b\u673a\u4f5c\u4e3a\u81ea\u5df1\u7684\u6210\u5458\u53d8\u91cf\n\n    public function  __construct($phone)\n    {\n        $this->_name = '\u5c0f\u660e';\n        $this->_age = 26;\n        $this->_phone = $phone;\n        echo \"\u5c0f\u660e\u8d77\u5e8a\u4e86 \\n\";\n    }\n\n    function read()\n    {\n        \/\/\u2026\u2026  \u7701\u7565\u82e5\u5e72\u4ee3\u7801\n        $this->_phone->read($this->_name); \/\/\u901b\u77e5\u4e4e\n    }\n\n    function  play()\n    {\n        \/\/\u2026\u2026  \u7701\u7565\u82e5\u5e72\u4ee3\u7801\n        $this->_phone->play($this->_name);\/\/\u73a9\u519c\u836f\n\n    }\n\n    function  grab()\n    {\n        \/\/\u2026\u2026  \u7701\u7565\u82e5\u5e72\u4ee3\u7801\n        $this->_phone->grab($this->_name);\/\/\u62a2\u7ea2\u5305\n\n    }\n\n}<\/pre>\n\n\n\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u6765\u6a21\u62df\u8fd0\u884c\u5c0f\u660e\u7684\u4e00\u5929<\/p>\n\n\n\n
$phone = new IphoneX(); \/\/\u521b\u5efa\u4e00\u4e2aiphoneX\u7684\u5b9e\u4f8b\nif($phone->isBroken()){\/\/\u5982\u679ciphone\u4e0d\u53ef\u7528\uff0c\u5219\u4f7f\u7528\u65e7\u7248\u624b\u673a\n    $phone = new Iphone6();\n}\n$ming = new Ming($phone);\/\/\u5c0f\u660e\u4e0d\u7528\u5173\u5fc3\u662f\u4ec0\u4e48\u624b\u673a\uff0c\u4ed6\u53ea\u8981\u73a9\u5c31\u884c\u4e86\u3002\n$ming->read();\n$ming->play();\n$ming->grab();<\/pre>\n\n\n\n
\u6211\u4eec\u5148\u770b\u4e00\u4e0biphoneX \u662f\u5426\u53ef\u4ee5\u4f7f\u7528\uff0c\u5982\u679c\u4e0d\u53ef\u4ee5\u4f7f\u7528\uff0c\u5219\u76f4\u63a5\u6362\u6210iphone6,\u7136\u540e\u5524\u9192\u5c0f\u660e\uff0c\u5e76\u628a\u624b\u673a\u585e\u5230\u4ed6\u7684\u624b\u91cc\uff0c\u6362\u53e5\u8bdd\u8bf4\uff0c\u628a\u4ed6\u6240\u4f9d\u8d56\u7684\u624b\u673a\u76f4\u63a5\u6ce8\u5165\u5230\u4ed6\u7684\u8eab\u4e0a\uff0c\u4ed6\u4e0d\u9700\u8981\u5173\u5fc3\u81ea\u5df1\u62ff\u7684\u662f\u4ec0\u4e48\u624b\u673a\uff0c\u4ed6\u53ea\u8981\u76f4\u63a5\u4f7f\u7528\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n\n\n\n
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