{"id":30832,"date":"2023-06-11T08:05:10","date_gmt":"2023-01-13T15:26:25","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/php%e7%b1%bb%e7%9a%84%e7%bb%a7%e6%89%bf\/"},"modified":"2025-08-12T21:01:01","modified_gmt":"2025-08-12T13:01:01","slug":"php%e7%b1%bb%e7%9a%84%e7%bb%a7%e6%89%bf","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/php%e7%b1%bb%e7%9a%84%e7%bb%a7%e6%89%bf\/","title":{"rendered":"[PHP]\u7c7b\u7684\u7ee7\u627f"},"content":{"rendered":"<h1>\u8fd9\u6b21\u7684\u4ee3\u7801<\/h1>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?php<\/span>\r\n\r\n<span class=\"kd\">class<\/span> <span class=\"nc\">User<\/span> <span class=\"p\">{<\/span> <span class=\"c1\">\/\/\u3053\u3063\u3061\u304c\u89aa\u30af\u30e9\u30b9<\/span>\r\n  <span class=\"k\">public<\/span> <span class=\"nv\">$name<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/\u30d7\u30ed\u30d1\u30c6\u30a3<\/span>\r\n\r\n  <span class=\"k\">public<\/span> <span class=\"k\">function<\/span> <span class=\"n\">__construct<\/span><span class=\"p\">(<\/span><span class=\"nv\">$name<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span> <span class=\"c1\">\/\/\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc<\/span>\r\n    <span class=\"nv\">$this<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">name<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$name<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"k\">public<\/span> <span class=\"k\">function<\/span> <span class=\"n\">sayHi<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span> <span class=\"c1\">\/\/\u30e1\u30bd\u30c3\u30c9<\/span>\r\n    <span class=\"k\">echo<\/span> <span class=\"s2\">\"hi, <\/span><span class=\"nv\">$this-&gt;name<\/span><span class=\"s2\">!\uff08\u3053\u3063\u3061\u306fUser\u30af\u30e9\u30b9\u304b\u3089\uff09&lt;br&gt;\"<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"kd\">class<\/span> <span class=\"nc\">AdminUser<\/span> <span class=\"kd\">extends<\/span> <span class=\"nc\">User<\/span> <span class=\"p\">{<\/span> <span class=\"c1\">\/\/\u3053\u3063\u3061\u306f\u5b50\u30af\u30e9\u30b9<\/span>\r\n  <span class=\"c1\">\/\/ \u30d7\u30ed\u30d1\u30c6\u30a3\u3084\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u306f\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9<\/span>\r\n  <span class=\"k\">public<\/span> <span class=\"k\">function<\/span> <span class=\"n\">sayHi<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">echo<\/span> <span class=\"s2\">\"hi, <\/span><span class=\"nv\">$this-&gt;name<\/span><span class=\"s2\">!\uff08\u3053\u3063\u3061\u306fAdminUser\u30af\u30e9\u30b9\u304b\u3089\uff09\"<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"nv\">$user1<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">User<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"\u592a\u90ce\"<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/\u89aa\u30af\u30e9\u30b9\u304b\u3089\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316<\/span>\r\n<span class=\"nv\">$user2<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">AdminUser<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"\u6b21\u90ce\"<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/\u5b50\u30af\u30e9\u30b9\u304b\u3089\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316<\/span>\r\n\r\n<span class=\"nv\">$user1<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">sayHi<\/span><span class=\"p\">();<\/span>\r\n<span class=\"nv\">$user2<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">sayHi<\/span><span class=\"p\">();<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>hi, \u592a\u90ce!\uff08\u3053\u3063\u3061\u306fUser\u30af\u30e9\u30b9\u304b\u3089\uff09\r\nhi, \u6b21\u90ce!\uff08\u3053\u3063\u3061\u306fAdminUser\u30af\u30e9\u30b9\u304b\u3089\uff09\r\n<\/code><\/pre>\n<h1>\u7236\u7c7b\u548c\u5b50\u7c7b (F\u00f9 h\u00e9 z\u01d0<\/h1>\n<p>\u5728\u7c7b\u7684\u7ee7\u627f\u4e2d\uff0c\u5c06\u4f5c\u4e3a\u57fa\u7840\u7684\u7c7b\u79f0\u4e3a\u7236\u7c7b\uff0c\u800c\u7ee7\u627f\u8be5\u7c7b\u7684\u7c7b\u79f0\u4e3a\u5b50\u7c7b\u3002<br \/>\n\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0cUser\u7c7b\u88ab\u79f0\u4e3a&#8221;\u7236\u7c7b&#8221;\uff0c\u800cAdminUser\u7c7b\u88ab\u79f0\u4e3a&#8221;\u5b50\u7c7b&#8221;\u3002<\/p>\n<h1>\u5982\u4f55\u7f16\u5199\u5b50\u7c7b<\/h1>\n<pre class=\"post-pre\"><code><span class=\"kd\">class<\/span> <span class=\"nc\">AdminUser<\/span> <span class=\"kd\">extends<\/span> <span class=\"nc\">User<\/span> <span class=\"p\">{<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u7531\u4e8e\u7c7b\u540d\u4e3aAdminUser\uff0c\u56e0\u6b64\u53ef\u4ee5\u6b63\u5e38\u5730\u5199\u4e3a&#8221;class AdminUser&#8221;\u3002<br \/>\n\u7136\u540e\uff0c\u60f3\u8981\u7ee7\u627fUser\u7c7b\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528&#8221;extends User&#8221;\u6765\u5b9e\u73b0\u7ee7\u627f\u3002<\/p>\n<p>\u53c2\u8003\u7f51\u7ad9<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u6b21\u7684\u4ee3\u7801 &lt;?php class User { \/\/\u3053\u3063\u3061\u304c\u89aa\u30af\u30e9\u30b9 public $name; \/\/ [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30832","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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