{"id":30520,"date":"2024-02-12T05:57:42","date_gmt":"2022-12-26T14:50:46","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91%e9%9d%a2%e5%90%91%e5%af%b9%e8%b1%a1%e7%bc%96%e7%a8%8b\/"},"modified":"2025-08-12T19:34:20","modified_gmt":"2025-08-12T11:34:20","slug":"%e3%80%90php%e3%80%91%e9%9d%a2%e5%90%91%e5%af%b9%e8%b1%a1%e7%bc%96%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91%e9%9d%a2%e5%90%91%e5%af%b9%e8%b1%a1%e7%bc%96%e7%a8%8b\/","title":{"rendered":"\u3010PHP\u3011\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b"},"content":{"rendered":"

\u7b80\u4ecb<\/p>\n

\u8fd9\u7bc7\u6587\u7ae0\u5c06\u4ecb\u7ecd\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u57fa\u7840\u6982\u5ff5\u3002<\/p>\n

\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\uff08OOP\uff09\u662f\u4e00\u79cd\u7f16\u7a0b\u65b9\u6cd5\u8bba\u3002<\/p>\n

\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u662f\u4e00\u79cd\u7528\u4e8e\u63d0\u9ad8\u7f16\u7a0b\u6548\u7387\u7684\u65b9\u6cd5\u548c\u601d\u60f3\u3002
\n\u5b83\u901a\u8fc7\u5c06\u7a0b\u5e8f\u7ec4\u7ec7\u6210\u7c7b\uff08\u6982\u5ff5\uff09\u7684\u5355\u4f4d\uff0c\u5e76\u57fa\u4e8e\u7c7b\u521b\u5efa\u5bf9\u8c61\uff08\u5b9e\u4f8b\uff09\uff0c\u901a\u8fc7\u5b9e\u4f8b\u4e4b\u95f4\u7684\u4ea4\u4e92\u6765\u7f16\u5199\u7a0b\u5e8f\u7684\u6d41\u7a0b\u3002<\/p>\n

\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u6211\u4eec\u6bcf\u4e2a\u4eba\u90fd\u53ef\u4ee5\u88ab\u770b\u4f5c\u662f\u4eba\u7c7b\u8fd9\u4e2a\u7c7b\uff08\u6982\u5ff5\uff09\u7684\u5b9e\u4f8b\uff08\u5bf9\u8c61\uff09\u3002\u800c\u4eba\u7c7b\u8fd9\u4e2a\u7c7b\u5177\u6709\u5e74\u9f84\u3001\u8eab\u9ad8\u3001\u6027\u522b\u7b49\u6570\u636e\uff08\u5c5e\u6027\uff09\uff0c\u4ee5\u53ca\u8d70\u8def\u3001\u7761\u89c9\u3001\u5403\u996d\u7b49\u884c\u4e3a\uff08\u65b9\u6cd5\uff09\u5b58\u5728\u3002<\/p>\n

\u73ed\u7ea7 j\u00ed)<\/p>\n

\u5728\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\uff0c\u901a\u8fc7\u4f7f\u7528\u7c7b\u7684\u6982\u5ff5\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u8fd9\u4e2a\u7c7b\u6765\u521b\u5efa\u5b9e\u4f8b\u5e76\u7f16\u5199\u7a0b\u5e8f\u3002
\n\u63a5\u4e0b\u6765\uff0c\u8ba9\u6211\u4eec\u6765\u5b9a\u4e49\u4e00\u4e2a\u7c7b\u3002<\/p>\n

<?php<\/span>\r\n\u3000<\/span>class<\/span> Human<\/span> {<\/span>  \u21e6<\/span> class\u3068\u3044\u3046\u30ad\u30fc\u30ef\u30fc\u30c9\u306e\u5f8c\u308d\u306b\u30af\u30e9\u30b9\u540d<\/span>\r\n\r\n  }<\/span>\r\n?><\/span>\r\n<\/code><\/pre>\n
\u5c3d\u7ba1\u8fd8\u6ca1\u6709\u586b\u5145\u5185\u5bb9\uff0c\u4f46\u662f\u6211\u4eec\u5df2\u7ecf\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a”Human”\u7684\u7c7b\u3002
\n\u6839\u636e\u5e15\u65af\u5361\u547d\u540d\u89c4\u5219\uff0c\u6211\u4eec\u5c06\u7c7b\u540d\u5199\u6210\u7531\u5355\u8bcd\u95f4\u7684\u5927\u5199\u5b57\u6bcd\u5206\u9694\u7684\u5f62\u5f0f\u3002<\/p>\n
\u5728\u4e2d\u6587\u4e2d\uff0c\u53ef\u4ee5\u8fd9\u6837\u7ffb\u8bd1\uff1a
\n\u7c7b\u540d\u5c06\u8868\u793a\u8be5\u7c7b\u3002\u5728\u4e0a\u9762\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u8868\u793a\u4eba\u7c7b\u7684Human\u7c7b\u3002
\n\u5728\u5927\u62ec\u53f7\u4e2d\uff0c\u60a8\u53ef\u4ee5\u7f16\u5199\u8868\u793a\u5c5e\u6027\u3001\u65b9\u6cd5\u548c\u5728\u5b9e\u4f8b\u751f\u6210\u65f6\u8fdb\u884c\u521d\u59cb\u5316\u7684\u6784\u9020\u51fd\u6570\u7684\u6570\u636e\u3002<\/p>\n
\u8d22\u4ea7<\/p>\n
\u5c5e\u6027\u662f\u8868\u793a\u5b9e\u4f8b\u72b6\u6001\u7684\u4e1c\u897f\uff0c\u7b80\u5355\u6765\u8bf4\u5c31\u662f\u53d8\u91cf\u3002
\n\u9700\u8981\u4e3a\u8fd9\u4e2a\u53d8\u91cf\u6307\u5b9a\u8bbf\u95ee\u4fee\u9970\u7b26\u3002\u8bbf\u95ee\u4fee\u9970\u7b26\u662f\u6307\u5b9a\u5c5e\u6027\u662f\u5426\u53ef\u4ee5\u4ece\u7c7b\u7684\u5916\u90e8\u8fdb\u884c\u8bbf\u95ee\u3001\u8d4b\u503c\u7b49\u64cd\u4f5c\uff0c\u6216\u8005\u53ea\u80fd\u4ece\u7c7b\u7684\u5185\u90e8\u8fdb\u884c\u8bbf\u95ee\u7684\u4e1c\u897f\u3002
\n\u8bbf\u95ee\u4fee\u9970\u7b26\u6709\u4ee5\u4e0b\u4e09\u79cd\uff1a<\/p>\n
\u30fbpublic   \u3000\u4efb\u4f55\u5730\u65b9\u53ef\u8bbf\u95ee
\n\u30fbprivate\u3000\u3000\u53ea\u80fd\u5728\u8be5\u7c7b\u5185\u90e8\u8bbf\u95ee
\n\u30fbprotected\u3000\u3000\u53ef\u4ece\u8be5\u7c7b\u5185\u90e8\u548c\u7ee7\u627f\u7c7b\u4e2d\u8bbf\u95ee<\/p>\n
\u8ba9\u6211\u4eec\u5b9a\u4e49\u5c5e\u6027\u3002<\/p>\n
<?php<\/span>\r\n class<\/span> Human<\/span>{<\/span>\r\n   public<\/span> $name<\/span>;<\/span> \r\n   private<\/span> $birthday<\/span>;<\/span>\r\n   protected<\/span> $gender<\/span>;<\/span>\r\n }<\/span>\r\n?><\/span>\r\n<\/code><\/pre>\n
\u901a\u8fc7\u8fd9\u6837\u5c31\u53ef\u4ee5\u5728Human\u7c7b\u4e2d\u5b9a\u4e49\u4e09\u4e2a\u5c5e\u6027\u3002
\n\u987a\u4fbf\u4e00\u63d0\uff0c\u7c7b\u4e2d\u5b9a\u4e49\u7684\u6570\u636e\u79f0\u4e3a\u5c5e\u6027\u3001\u6210\u5458\u53d8\u91cf\u3001\u5b9e\u4f8b\u53d8\u91cf\u3001\u5b57\u6bb5\uff0c\u90fd\u662f\u6307\u540c\u4e00\u610f\u601d\u3002<\/p>\n
\u65b9\u6cd5<\/p>\n
\u65b9\u6cd5\u662f\u7528\u6765\u5b9a\u4e49\u5904\u7406\u7684\u4e1c\u897f\uff0c\u7b80\u5355\u6765\u8bf4\u5c31\u662f\u51fd\u6570\u3002
\n\u4e0e\u5c5e\u6027\u4e00\u6837\uff0c\u65b9\u6cd5\u4e5f\u53ef\u4ee5\u6307\u5b9a\u8bbf\u95ee\u4fee\u9970\u7b26\u3002\u5982\u679c\u7701\u7565\u8bbf\u95ee\u4fee\u9970\u7b26\uff0c\u5219\u9ed8\u8ba4\u4e3apublic\u3002<\/p>\n
\u8ba9\u6211\u4eec\u5b9a\u4e49\u4e00\u4e2a\u65b9\u6cd5\u3002<\/p>\n
<?php<\/span>\r\n class<\/span> Human<\/span>{<\/span>\r\n   public<\/span> $name<\/span>;<\/span> \r\n   private<\/span> $birthday<\/span>;<\/span>\r\n   protected<\/span> $gender<\/span>;<\/span>\r\n \r\n   public<\/span> function<\/span> walk<\/span>()<\/span> {<\/span>  \r\n     echo<\/span> '\u6b69\u304d\u307e\u3059'<\/span>;<\/span>\r\n   }<\/span>\r\n   public<\/span> function<\/span> eat<\/span>()<\/span> {<\/span>\r\n     echo<\/span> '\u98df\u3079\u307e\u3059'<\/span>;<\/span>\r\n   }<\/span>\r\n}<\/span>\r\n?><\/span>\r\n<\/code><\/pre>\n
\u6211\u4eec\u6210\u529f\u5b9a\u4e49\u4e86\u540d\u4e3awalk\u548ceat\u7684\u65b9\u6cd5\u3002\u65b9\u6cd5\u4e0e\u51fd\u6570\u7c7b\u4f3c\uff0c\u53ef\u4ee5\u63a5\u53d7\u4e34\u65f6\u53c2\u6570\uff0c\u5e76\u4e14\u53ef\u4ee5\u901a\u8fc7return\u8bed\u53e5\u6307\u5b9a\u8fd4\u56de\u503c\u3002
\n\u5f53\u6211\u4eec\u60f3\u8981\u4ece\u5916\u90e8\u8c03\u7528\u8be5\u65b9\u6cd5\u65f6\uff0c\u5e94\u8be5\u4f7f\u7528public\u8fdb\u884c\u6307\u5b9a\u3002<\/p>\n
\u6784\u9020\u51fd\u6570 \u5b9e\u4f8b\u5316<\/p>\n
\u5728\u521b\u5efa\u7c7b\u7684\u5b9e\u4f8b\u65f6\uff0c\u4f1a\u9996\u5148\u6267\u884c\u7684\u7279\u6b8a\u65b9\u6cd5\u662f\u6784\u9020\u51fd\u6570\u3002\u6784\u9020\u51fd\u6570\u4e3b\u8981\u7528\u4e8e\u5728\u751f\u6210\u5b9e\u4f8b\u65f6\u8fdb\u884c\u521d\u59cb\u5316\u3002<\/p>\n
<?php<\/span>\r\n class<\/span> Human<\/span>{<\/span>\r\n   public<\/span> $name<\/span>;<\/span> \r\n   private<\/span> $birthday<\/span>;<\/span>\r\n   protected<\/span> $gender<\/span>;<\/span>\r\n \r\n   public<\/span> function<\/span> walk<\/span>()<\/span> {<\/span>  \r\n     echo<\/span> '\u6b69\u304d\u307e\u3059'<\/span>;<\/span>\r\n   }<\/span>\r\n   public<\/span> function<\/span> eat<\/span>()<\/span> {<\/span>\r\n     echo<\/span> '\u98df\u3079\u307e\u3059'<\/span>;<\/span>\r\n   }<\/span>\r\n }<\/span>\r\n\r\n $human<\/span> =<\/span> new<\/span> Human<\/span>();<\/span>  \u21e6<\/span>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210<\/span>\r\n?><\/span>\r\n<\/code><\/pre>\n
\u901a\u8fc7\u5728\u7c7b\u540d\u524d\u9762\u52a0\u4e0a\u5173\u952e\u5b57new\uff0c\u53ef\u4ee5\u751f\u6210\u4e00\u4e2a\u5b9e\u4f8b\u3002
\n\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u53ef\u4ee5\u4eceHuman\u7c7b\u7684\u6982\u5ff5\u4e2d\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a$human\u7684\u4eba\u7684\u5b9e\u4f8b\u3002
\n\u5177\u4f53\u6765\u8bf4\uff0c\u5b9e\u4f8b\u88ab\u5206\u914d\u7ed9\u53d8\u91cf$human\u3002
\n\u7136\u540e\uff0c\u521b\u5efa\u7684\u5b9e\u4f8b\u53ef\u4ee5\u8c03\u7528\u65b9\u6cd5\u3002<\/p>\n
<?php<\/span>\r\n class<\/span> Human<\/span>{<\/span>\r\n   public<\/span> $name<\/span>;<\/span> \r\n   private<\/span> $birthday<\/span>;<\/span>\r\n   protected<\/span> $gender<\/span>;<\/span>\r\n \r\n   public<\/span> function<\/span> walk<\/span>()<\/span> {<\/span>  \r\n     echo<\/span> '\u6b69\u304d\u307e\u3059'<\/span>;<\/span>\r\n   }<\/span>\r\n   public<\/span> function<\/span> eat<\/span>()<\/span> {<\/span>\r\n     echo<\/span> '\u98df\u3079\u307e\u3059'<\/span>;<\/span>\r\n   }<\/span>\r\n }<\/span>\r\n\r\n $human<\/span> =<\/span> new<\/span> Human<\/span>();<\/span>  \u21e6<\/span>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210<\/span>\r\n $human<\/span> -><\/span> eat<\/span>();<\/span>\u3000\u3000\u21e6<\/span> \u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057<\/span>\r\n $human<\/span> -><\/span> walk<\/span>();<\/span>\u3000\u3000\u21e6<\/span> \u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057<\/span>\r\n?><\/span>\r\n<\/code><\/pre>\n
\u5728\u5206\u914d\u4e86\u5b9e\u4f8b\u7684\u53d8\u91cf\u4e4b\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528\u5355\u7bad\u5934\u548c\u65b9\u6cd5\u540d\uff08\uff09\u6765\u8c03\u7528\u65b9\u6cd5\u3002
\n\u5982\u679c\u5728\u6d4f\u89c8\u5668\u4e2d\u8fdb\u884c\u786e\u8ba4\uff0c\u5e94\u8be5\u4f1a\u8f93\u51fa\u201c\u5403\u996d\uff0c\u8d70\u8def\u201d\u3002<\/p>\n
\u5728\u521b\u5efa\u5b9e\u4f8b\u65f6\uff0c\u6211\u4f7f\u7528\u4e86\u5173\u952e\u5b57new\uff0c\u8fd9\u5c06\u6267\u884c\u6784\u9020\u51fd\u6570\u3002<\/p>\n
Human\u7c7b\u7684\u5c5e\u6027\u76ee\u524d\u8fd8\u6ca1\u6709\u4efb\u4f55\u503c\u3002\u56e0\u6b64\u5c06\u4f7f\u7528\u6784\u9020\u51fd\u6570\u6765\u5206\u914d\u503c\u3002<\/p>\n
<?php<\/span>\r\n class<\/span> Human<\/span>{<\/span>\r\n   public<\/span> $name<\/span>;<\/span> \r\n   private<\/span> $birthday<\/span>;<\/span>\r\n   protected<\/span> $gender<\/span>;<\/span>\r\n \u3000<\/span>\r\n\u3000\u3000<\/span>public<\/span> function<\/span> __construct<\/span>(<\/span>$name<\/span>,<\/span> $birthday<\/span>,<\/span> $gender<\/span>)<\/span> {<\/span>  \u21e6<\/span>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf<\/span>\r\n     \r\n   }<\/span>\r\n\u3000\u3000<\/span>\r\n   public<\/span> function<\/span> walk<\/span>()<\/span> {<\/span>  \r\n     echo<\/span> '\u6b69\u304d\u307e\u3059'<\/span>;<\/span>\r\n   }<\/span>\r\n   public<\/span> function<\/span> eat<\/span>()<\/span> {<\/span>\r\n     echo<\/span> '\u98df\u3079\u307e\u3059'<\/span>;<\/span>\r\n   }<\/span>\r\n }<\/span>\r\n\r\n $human<\/span> =<\/span> new<\/span> Human<\/span>(<\/span>'\u307f\u3046\u3089'<\/span>,<\/span> '1998\u5e745\u670810\u65e5'<\/span>,<\/span> '\u7537'<\/span>);<\/span>  \u21e6<\/span>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210\u6642\u306b\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u547c\u3073\u51fa\u3055\u308c\u308b<\/span>\r\n $human<\/span> -><\/span> eat<\/span>();<\/span>\u3000\u3000<\/span>\r\n $human<\/span> -><\/span> walk<\/span>();<\/span>\u3000<\/span>\r\n?><\/span>\r\n<\/code><\/pre>\n
\u901a\u8fc7\u5b9a\u4e49\u6784\u9020\u51fd\u6570\uff0c\u53ef\u4ee5\u8986\u76d6\u5b9e\u4f8b\u751f\u6210\u65f6\u7684\u9ed8\u8ba4\u6784\u9020\u51fd\u6570\u3002
\n\u901a\u8fc7\u4e3a\u6784\u9020\u51fd\u6570\u63d0\u4f9b\u53c2\u6570\uff0c\u5728new Human\u65f6\u5199\u5165\u5b9e\u9645\u53c2\u6570\u3002
\n\u4f46\u8bf7\u6ce8\u610f\uff0c\u6784\u9020\u51fd\u6570\u7684\u53c2\u6570\uff08\u5982$name\uff09\u53d8\u91cf\u5c06\u4e0e\u4e0a\u9762\u7684\u5c5e\u6027\u4e0d\u540c\u3002
\n\u56e0\u6b64\uff0c\u9700\u8981\u5c06\u6784\u9020\u51fd\u6570\u7684\u53c2\u6570\u503c\u8d4b\u7ed9\u5c5e\u6027\u3002<\/p>\n
\u6784\u9020\u51fd\u6570\u7684\u4f7f\u7528<\/p>\n
$human<\/span> =<\/span> new<\/span> Human<\/span>(<\/span>'\u307f\u3046\u3089'<\/span>,<\/span> '1998\u5e745\u670810\u65e5'<\/span>,<\/span> '\u7537'<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u987a\u4fbf\u4e00\u63d0\uff0c\u5728PHP\u4e2d\uff0c\u6709\u4e00\u4e9b\u7279\u6b8a\u7684\u65b9\u6cd5\u88ab\u5b9a\u4e49\u4e3a\u4ee5\u4e24\u4e2a\u4e0b\u5212\u7ebf\u5f00\u5934\u3002\u5f53\u6211\u4eec\u81ea\u5df1\u5b9a\u4e49\u65b9\u6cd5\u65f6\uff0c\u4e5f\u53ef\u4ee5\u5b9a\u4e49\u4ee5\u4e24\u4e2a\u4e0b\u5212\u7ebf\u5f00\u5934\u7684\u65b9\u6cd5\uff0c\u4f46\u5bb9\u6613\u533a\u5206\u81ea\u5df1\u5b9a\u4e49\u7684\u65b9\u6cd5\u548cPHP\u9884\u5148\u51c6\u5907\u7684\u65b9\u6cd5\uff0c\u6240\u4ee5\u5e94\u8be5\u907f\u514d\u4f7f\u7528\u4ee5\u4e24\u4e2a\u4e0b\u5212\u7ebf\u5f00\u5934\u7684\u65b9\u6cd5\u3002\u8fd9\u79cd\u51fd\u6570\u88ab\u79f0\u4e3a\u9b54\u672f\u65b9\u6cd5\u3002<\/p>\n
\u8fd9\u4e2a<\/p>\n
\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u5bf9\u5c5e\u6027\u8fdb\u884c\u8d4b\u503c\u3002
\n\u6240\u4f7f\u7528\u7684\u662f$this\u3002\u8fd9\u662f\u4e00\u4e2a\u53d8\u91cf\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u63a5\u6536\u5668\uff08receiver\uff09\u5b9e\u4f8b\u3002
\n\u63a5\u6536\u5668\uff08receiver\uff09\u662f\u6307\u6b63\u5728\u521b\u5efa\u7684\u5b9e\u4f8b\u3002<\/p>\n
public<\/span> function<\/span> __construct<\/span>(<\/span>$name<\/span>,<\/span> $birthday<\/span>,<\/span> $gender<\/span>)<\/span> {<\/span>  \r\n    $this<\/span> -><\/span>name<\/span> =<\/span> $name<\/span>;<\/span>\r\n    $this<\/span> -><\/span>birtday<\/span> =<\/span> $birtday<\/span>;<\/span>\r\n    $this<\/span> -><\/span>gender<\/span> =<\/span> $gender<\/span>;<\/span> \r\n   }<\/span>\r\n<\/code><\/pre>\n
\u6211\u5c06\u521a\u624d\u63d0\u4f9b\u7684\u5b9e\u9645\u53c2\u6570\u5206\u914d\u7ed9$this\u7684\u540d\u79f0\u3002<\/p>\n
\u8fd9\u662f\u8868\u8fbe\u81ea\u5df1\u7684\u5173\u952e\u8bcd\u3002\u6240\u4ee5$this ->name\u7b49\u8868\u793a\u5b9e\u4f8b\u7684\u5c5e\u6027\u3002
\n\u867d\u7136\u4f7f\u7528\u4e86\u5355\u7bad\u5934\uff0c\u4f46\u5982\u679c\u5c06\u5176\u89c6\u4e3a\u8868\u793a”\u7684”\u7684\u8fde\u63a5\u8bcd\uff0c\u5c31\u66f4\u5bb9\u6613\u7406\u89e3\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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