{"id":30357,"date":"2022-07-06T00:34:45","date_gmt":"2023-02-07T18:05:25","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8ephp%e7%9a%84autoload\/"},"modified":"2025-08-12T18:47:37","modified_gmt":"2025-08-12T10:47:37","slug":"%e5%85%b3%e4%ba%8ephp%e7%9a%84autoload","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8ephp%e7%9a%84autoload\/","title":{"rendered":"\u5173\u4e8ePHP\u7684autoload"},"content":{"rendered":"

autoload \u662f\u4ec0\u4e48\uff1f<\/h1>\n

\u81ea\u52a8\u52a0\u8f7d\u6587\u4ef6\u7684\u673a\u5236\u3002<\/p>\n

\u5f53\u521b\u5efa\u4e00\u4e2a\u7c7b\u65f6\uff0c\u7531\u4e8e\u5176\u53ef\u91cd\u7528\u6027\uff0c\u901a\u5e38\u4f1a\u5c06\u4e00\u4e2a\u7c7b\u7ba1\u7406\u5728\u4e00\u4e2a\u6587\u4ef6\u4e2d\u3002
\n\u7136\u800c\uff0c\u5f53\u5904\u7406\u7684\u6587\u4ef6\u6570\u91cf\u589e\u52a0\u65f6\uff0c\u6bcf\u4e2a\u811a\u672c\u90fd\u9700\u8981\u5728\u5f00\u5934\u9010\u4e00\u8fdb\u884c\u201crequire\u201d\u7684\u64cd\u4f5c\u3002<\/p>\n

\u56e0\u6b64\uff0c\u53ef\u4ee5\u4f7f\u7528autoload\u8fd9\u4e2a\u81ea\u52a8\u52a0\u8f7d\u6587\u4ef6\u7684\u673a\u5236\u6765\u81ea\u52a8\u52a0\u8f7d\u6587\u4ef6\u3002<\/p>\n

spl_autoload_register (\u81ea\u52a8\u52a0\u8f7d\u5bc4\u5b58\u5668)<\/h1>\n

\u5982\u679c\u901a\u5e38\u60c5\u51b5\u4e0b\u6ca1\u6709\u4f7f\u7528autoload\u5e76\u4e14\u6ca1\u6709\u8fdb\u884c\u6587\u4ef6\u52a0\u8f7d\uff0c\u90a3\u4e48\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u5c06\u4f1a\u4ea7\u751f\u81f4\u547d\u9519\u8bef\u3002<\/p>\n

<?php<\/span>\r\n$hoge<\/span> =<\/span> new<\/span> Hoge<\/span>();<\/span>  \/\/fatal error<\/span>\r\n<\/code><\/pre>\n
\u4f7f\u7528spl_autoload_register\u51fd\u6570\u6ce8\u518c\u81ea\u52a8\u52a0\u8f7d\u5668\u540e\uff0cPHP\u5c06\u5728\u53d1\u751f\u9519\u8bef\u4e4b\u524d\u8c03\u7528\u6ce8\u518c\u7684\u65b9\u6cd5\u3002<\/p>\n
\u5982\u679c\u4e0d\u4f7f\u7528spl_autoload_register<\/h3>\n
\r\n<?php<\/span>\r\nrequire_once<\/span> 'MyClass1.php'<\/span>;<\/span>\r\nrequire_once<\/span> 'MyClass2.php'<\/span>;<\/span>\r\nrequire_once<\/span> 'MyClass3.php'<\/span>;<\/span>\r\n\r\n$obj<\/span>  =<\/span> new<\/span> MyClass1<\/span>();<\/span>\r\n$obj2<\/span> =<\/span> new<\/span> MyClass2<\/span>();<\/span>\r\n$obj2<\/span> =<\/span> new<\/span> MyClass3<\/span>();<\/span>\r\n\r\n<\/code><\/pre>\n
\u5982\u679c\u4f7f\u7528spl_autoload_register\uff0c<\/h3>\n
\r\n<?php<\/span>\r\nspl_autoload_register<\/span>(<\/span>function<\/span> (<\/span>$class_name<\/span>)<\/span> {<\/span>\r\n    require_once<\/span> $class_name<\/span> .<\/span> '.php'<\/span>;<\/span>\r\n});<\/span>\r\n\r\n$obj<\/span>  =<\/span> new<\/span> MyClass1<\/span>();<\/span>\r\n$obj2<\/span> =<\/span> new<\/span> MyClass2<\/span>();<\/span>\r\n$obj3<\/span> =<\/span> new<\/span> MyClass3<\/span>();<\/span>\r\n\r\n<\/code><\/pre>\n
\u5728composer\u4e2d\u8bbe\u7f6e\u81ea\u52a8\u52a0\u8f7d<\/h1>\n
\u4f7f\u7528composer-autoload\u53ef\u4ee5\u5b9e\u73b0\uff0c\u65e0\u9700\u81ea\u884c\u521b\u5efaspl_autoload_register\u3002<\/p>\n
\u4e0b\u8f7dcomposer\u3002<\/h3>\n
$<\/span> curl<\/span> -<\/span>s<\/span> https<\/span>:\/\/<\/span>getcomposer<\/span>.<\/span>org<\/span>\/<\/span>installer<\/span> |<\/span> php<\/span>\r\n<\/code><\/pre>\n
composer.json\u6587\u4ef6<\/h3>\n
\u521b\u5efa\u4e00\u4e2a\u540d\u4e3acomposer.json\u7684\u6587\u4ef6\uff0c\u5e76\u8fdb\u884cautoload\u7684\u8bbe\u7f6e\u3002<\/p>\n
{<\/span>\r\n    \"autoload\"<\/span>:<\/span> {<\/span>\r\n        \"psr-4\"<\/span>:<\/span> {<\/span>\r\n            \"Namespace<\/span>\\\\<\/span>\"<\/span>:<\/span> \"DirName\/\"<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
\u6839\u636epsr-4\u89c4\u8303\u521b\u5efa\u7684\u540d\u4e3aNamespace\u7684\u547d\u540d\u7a7a\u95f4\u58f0\u660e\u7c7b\u88ab\u8bbe\u7f6e\u5728\u540d\u4e3aDirName\u7684\u76ee\u5f55\u4e2d\u3002<\/p>\n
\u521b\u5efa autoload.php<\/h3>\n
$ composer dump-autoload\r\n<\/code><\/pre>\n
\u8fd9\u6837\uff0cautoload.php\u4f1a\u5728vender\u76ee\u5f55\u4e2d\u88ab\u521b\u5efa\u3002
\n\u7136\u540e\u53ea\u9700\u8981\u5728bootstrap.php\u7b49\u6587\u4ef6\u4e2d\u4f7f\u7528require\u6765\u52a0\u8f7d\u5df2\u521b\u5efa\u7684autoload.php\uff0c\u5373\u53ef\u4f7f\u7528autoload\u3002
\n\uff08bootstrap.php\u662f\u7528\u4e8e\u521b\u5efa\u548c\u52a0\u8f7d\u6574\u4e2a\u5e94\u7528\u7a0b\u5e8f\u914d\u7f6e\u7684\u6587\u4ef6\u3002\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"
autoload \u662f\u4ec0\u4e48\uff1f \u81ea\u52a8\u52a0\u8f7d\u6587\u4ef6\u7684\u673a\u5236\u3002 \u5f53\u521b\u5efa\u4e00\u4e2a\u7c7b\u65f6\uff0c\u7531\u4e8e\u5176\u53ef\u91cd\u7528\u6027\uff0c\u901a\u5e38\u4f1a\u5c06\u4e00\u4e2a\u7c7b\u7ba1\u7406\u5728\u4e00\u4e2a\u6587\u4ef6 […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30357","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\n\u5173\u4e8ePHP\u7684autoload - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u5173\u4e8ePHP\u7684autoload\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5173\u4e8ephp\u7684autoload\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5173\u4e8ePHP\u7684autoload\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8e\u5173\u4e8ePHP\u7684autoload\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5173\u4e8ephp\u7684autoload\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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