{"id":48135,"date":"2024-12-02T10:07:31","date_gmt":"2024-12-02T02:07:31","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48135\/"},"modified":"2024-12-02T10:07:31","modified_gmt":"2024-12-02T02:07:31","slug":"php-%e5%91%bd%e5%90%8d%e7%a9%ba%e9%97%b4%ef%bc%9a%e5%ae%9e%e7%94%a8%e6%8a%80%e5%b7%a7%e5%92%8c%e7%94%a8%e6%b3%95%e5%ae%9e%e4%be%8b","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48135\/","title":{"rendered":"PHP \u547d\u540d\u7a7a\u95f4\uff1a\u5b9e\u7528\u6280\u5de7\u548c\u7528\u6cd5\u5b9e\u4f8b"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u547d\u540d\u7a7a\u95f4\uff1a\u5b9e\u7528\u6280\u5de7\u548c\u7528\u6cd5\u5b9e\u4f8b<\/h1>\n<p>\u5927\u5bb6\u597d\uff0c\u6211\u4eec\u53c8\u89c1\u9762\u4e86\u554a~\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP \u547d\u540d\u7a7a\u95f4\uff1a\u5b9e\u7528\u6280\u5de7\u548c\u7528\u6cd5\u5b9e\u4f8b\u300b<\/span>\u7684\u5185\u5bb9\u4e2d\u5c06\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u3002\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u77e5\u8bc6\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\uff0c\u4ee5\u540e\u4f1a\u7ed9\u5927\u5bb6\u5e26\u6765\u66f4\u591a<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u6587\u7ae0\uff0c\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u8fdb\u6b65\uff01\u4e0b\u9762\u5c31\u5f00\u59cb\u672c\u6587\u7684\u6b63\u5f0f\u5185\u5bb9~<\/p>\n<p>\u547d\u540d\u7a7a\u95f4\u662f\u7ec4\u7ec7\u548c\u7ba1\u7406 PHP \u5b9e\u4f53\u7684\u673a\u5236\uff0c\u7528\u4e8e\u907f\u514d\u540d\u79f0\u51b2\u7a81\u5e76\u63d0\u9ad8\u4ee3\u7801\u53ef\u8bfb\u6027\u3002\u8981\u58f0\u660e\u547d\u540d\u7a7a\u95f4\uff0c\u4f7f\u7528 namespace \u5173\u952e\u5b57\uff1b\u8981\u4f7f\u7528\u547d\u540d\u7a7a\u95f4\u4e2d\u7684\u7c7b\uff0c\u4f7f\u7528\u5b8c\u5168\u9650\u5b9a\u540d\u79f0\uff1b\u53ef\u4ee5\u4f7f\u7528 use \u6307\u5b9a\u522b\u540d\uff1b\u547d\u540d\u7a7a\u95f4\u53ef\u4ee5\u5d4c\u5957\uff0c\u4f7f\u7528\u70b9\u53f7\u5206\u9694\u5668\uff1b\u914d\u7f6e composer.json \u6587\u4ef6\u4e2d\u7684\u81ea\u52a8\u52a0\u8f7d\u5668\u89c4\u5219\u4ee5\u907f\u514d\u5728\u6bcf\u4e2a\u6587\u4ef6\u5f00\u5934\u58f0\u660e\u547d\u540d\u7a7a\u95f4\uff1b\u4f7f\u7528\u547d\u540d\u7a7a\u95f4\u7684\u597d\u5904\u5305\u62ec\u9632\u6b62\u540d\u79f0\u51b2\u7a81\u3001\u63d0\u9ad8\u4ee3\u7801\u53ef\u8bfb\u6027\u3001\u4fc3\u8fdb\u6a21\u5757\u5316\u548c\u91cd\u7528\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1729991908671d94e49418f.jpg\" class=\"aligncenter\" title=\"PHP \u547d\u540d\u7a7a\u95f4\uff1a\u5b9e\u7528\u6280\u5de7\u548c\u7528\u6cd5\u5b9e\u4f8b\u63d2\u56fe\" alt=\"PHP \u547d\u540d\u7a7a\u95f4\uff1a\u5b9e\u7528\u6280\u5de7\u548c\u7528\u6cd5\u5b9e\u4f8b\u63d2\u56fe\" \/><\/p>\n<h2>PHP \u547d\u540d\u7a7a\u95f4\uff1a\u5b9e\u7528\u6280\u5de7\u548c\u5b9e\u6218\u6848\u4f8b<\/h2>\n<p><strong>\u7b80\u4ecb<\/strong><\/p>\n<p>\u547d\u540d\u7a7a\u95f4\u662f\u4e00\u79cd\u7ec4\u7ec7\u548c\u7ba1\u7406 PHP \u7c7b\u3001\u51fd\u6570\u548c\u5176\u4ed6\u5b9e\u4f53\u7684\u673a\u5236\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u907f\u514d\u540d\u79f0\u51b2\u7a81\u5e76\u63d0\u9ad8\u4ee3\u7801\u53ef\u8bfb\u6027\u3002\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u63a2\u7a76 PHP \u547d\u540d\u7a7a\u95f4\u7684\u5b9e\u7528\u6280\u5de7\u548c\u7528\u6cd5\u5b9e\u4f8b\u3002<\/p>\n<p><strong>\u547d\u540d\u7a7a\u95f4\u58f0\u660e<\/strong><\/p>\n<p>\u8981\u58f0\u660e\u4e00\u4e2a\u547d\u540d\u7a7a\u95f4\uff0c\u8bf7\u4f7f\u7528 <code>namespace<\/code> \u5173\u952e\u5b57\uff0c\u540e\u9762\u8ddf\u4e0a\u547d\u540d\u7a7a\u95f4\u540d\u79f0\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>namespace MyNamespace;<\/pre>\n<p><strong>\u4f7f\u7528\u547d\u540d\u7a7a\u95f4\u4e2d\u7684\u7c7b<\/strong><\/p>\n<p>\u8981\u5728\u547d\u540d\u7a7a\u95f4\u5916\u4f7f\u7528\u547d\u540d\u7a7a\u95f4\u4e2d\u7684\u7c7b\uff0c\u5fc5\u987b\u4f7f\u7528\u5b8c\u5168\u9650\u5b9a\u540d\u79f0\uff08FQN\uff09\uff0c\u5305\u62ec\u547d\u540d\u7a7a\u95f4\u540d\u79f0\u548c\u7c7b\u540d\uff1a<\/p>\n<pre>MyNamespace\\ MyClass::myMethod();<\/pre>\n<p><strong>\u4f7f\u7528\u522b\u540d<\/strong><\/p>\n<p>\u4e3a\u4e86\u63d0\u9ad8\u53ef\u8bfb\u6027\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>use<\/code> \u5173\u952e\u5b57\u4e3a\u547d\u540d\u7a7a\u95f4\u6307\u5b9a\u4e00\u4e2a\u522b\u540d\uff1a<\/p>\n<pre>use MyNamespace\\ MyClass as MyAlias;\n\nMyAlias::myMethod();<\/pre>\n<p><strong>\u5b50\u547d\u540d\u7a7a\u95f4<\/strong><\/p>\n<p>\u547d\u540d\u7a7a\u95f4\u53ef\u4ee5\u5d4c\u5957\uff0c\u79f0\u4e3a\u5b50\u547d\u540d\u7a7a\u95f4\u3002\u8981\u58f0\u660e\u5b50\u547d\u540d\u7a7a\u95f4\uff0c\u8bf7\u4f7f\u7528\u70b9\u53f7 (.) \u5206\u9694\u5668\uff1a<\/p>\n<pre>namespace MyNamespace\\ SubNamespace;<\/pre>\n<p><strong>\u5f15\u5bfc\u547d\u540d\u7a7a\u95f4<\/strong><\/p>\n<p>\u4e3a\u4e86\u907f\u514d\u5728\u6587\u4ef6\u9876\u90e8\u58f0\u660e\u6bcf\u4e2a\u547d\u540d\u7a7a\u95f4\uff0c\u53ef\u4ee5\u5728 <code>composer.json<\/code> \u6587\u4ef6\u4e2d\u914d\u7f6e\u81ea\u52a8\u52a0\u8f7d\u5668\u89c4\u5219\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>{\n  \"autoload\": {\n    \"psr-4\": {\n      \"MyNamespace\\\\\": \"src\/\"\n    }\n  }\n}<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a\u8d2d\u7269\u8f66\u7cfb\u7edf<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528\u547d\u540d\u7a7a\u95f4\u5b9e\u73b0\u7b80\u5355\u8d2d\u7269\u8f66\u7cfb\u7edf\u7684\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<pre>namespace Cart;\n\nuse Exception;\n\nclass Item\n{\n    \/\/ \u7701\u7565...\n}\n\nclass Cart\n{\n    \/\/ \u7701\u7565...\n}<\/pre>\n<p><strong>\u4f18\u70b9<\/strong><\/p>\n<p>\u4f7f\u7528\u547d\u540d\u7a7a\u95f4\u53ef\u4ee5\u5e26\u6765\u4ee5\u4e0b\u597d\u5904\uff1a<\/p>\n<ul>\n<li>\u9632\u6b62\u540d\u79f0\u51b2\u7a81<\/li>\n<li>\u63d0\u9ad8\u4ee3\u7801\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027<\/li>\n<li>\u4fc3\u8fdb\u4ee3\u7801\u6a21\u5757\u5316\u548c\u91cd\u7528<\/li>\n<\/ul>\n<p>\u638c\u63e1 PHP \u547d\u540d\u7a7a\u95f4\u7684\u6280\u5de7\u53ef\u4ee5\u8ba9\u4f60\u7f16\u5199\u66f4\u6e05\u6670\u3001\u66f4\u6613\u4e8e\u7ba1\u7406\u7684\u4ee3\u7801\u3002<\/p>\n<p>\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aPHP \u547d\u540d\u7a7a\u95f4\uff1a\u5b9e\u7528\u6280\u5de7\u548c\u7528\u6cd5\u5b9e\u4f8b\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8ephp,\u547d\u540d\u7a7a\u95f4\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u547d\u540d\u7a7a\u95f4\uff1a\u5b9e\u7528\u6280\u5de7\u548c\u7528\u6cd5\u5b9e\u4f8b \u5927\u5bb6\u597d\uff0c\u6211\u4eec\u53c8\u89c1\u9762\u4e86\u554a~\u672c\u6587\u300aPHP \u547d\u540d\u7a7a\u95f4\uff1a\u5b9e\u7528\u6280\u5de7\u548c\u7528\u6cd5\u5b9e\u4f8b\u300b\u7684\u5185\u5bb9\u4e2d\u5c06\u4f1a\u6d89\u53ca\u5230\u7b49\u7b49\u3002\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\uff0c\u4ee5\u540e\u4f1a\u7ed9\u5927\u5bb6\u5e26\u6765\u66f4\u591a\u6587\u7ae0\u76f8\u5173\u6587\u7ae0\uff0c\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u8fdb\u6b65\uff01\u4e0b\u9762\u5c31\u5f00\u59cb\u672c\u6587\u7684\u6b63\u5f0f\u5185\u5bb9~ \u547d\u540d\u7a7a\u95f4\u662f\u7ec4\u7ec7\u548c\u7ba1\u7406 PHP \u5b9e\u4f53\u7684\u673a\u5236\uff0c\u7528\u4e8e\u907f\u514d\u540d\u79f0\u51b2\u7a81\u5e76\u63d0\u9ad8\u4ee3\u7801\u53ef\u8bfb\u6027\u3002\u8981\u58f0\u660e\u547d\u540d\u7a7a\u95f4\uff0c\u4f7f\u7528 namespace \u5173\u952e\u5b57\uff1b\u8981\u4f7f\u7528\u547d\u540d\u7a7a\u95f4\u4e2d\u7684\u7c7b\uff0c\u4f7f\u7528\u5b8c\u5168\u9650\u5b9a\u540d\u79f0\uff1b\u53ef\u4ee5\u4f7f\u7528 use \u6307\u5b9a\u522b\u540d\uff1b\u547d\u540d\u7a7a\u95f4\u53ef\u4ee5\u5d4c\u5957\uff0c\u4f7f\u7528\u70b9\u53f7\u5206\u9694\u5668\uff1b\u914d\u7f6e composer.json \u6587\u4ef6\u4e2d\u7684\u81ea\u52a8\u52a0\u8f7d\u5668\u89c4\u5219\u4ee5\u907f\u514d\u5728\u6bcf\u4e2a\u6587\u4ef6\u5f00\u5934\u58f0\u660e\u547d\u540d\u7a7a\u95f4\uff1b\u4f7f\u7528\u547d\u540d\u7a7a\u95f4\u7684\u597d\u5904\u5305\u62ec\u9632\u6b62\u540d\u79f0\u51b2\u7a81\u3001\u63d0\u9ad8\u4ee3\u7801\u53ef\u8bfb\u6027\u3001\u4fc3\u8fdb\u6a21\u5757\u5316\u548c\u91cd\u7528\u3002 PHP \u547d\u540d\u7a7a\u95f4\uff1a\u5b9e\u7528\u6280\u5de7\u548c\u5b9e\u6218\u6848\u4f8b \u7b80\u4ecb \u547d\u540d\u7a7a\u95f4\u662f\u4e00\u79cd\u7ec4\u7ec7\u548c\u7ba1\u7406 PHP \u7c7b\u3001\u51fd\u6570\u548c\u5176\u4ed6\u5b9e\u4f53\u7684\u673a\u5236\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u907f\u514d\u540d\u79f0\u51b2\u7a81\u5e76\u63d0\u9ad8\u4ee3\u7801\u53ef\u8bfb\u6027\u3002\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u63a2\u7a76 PHP \u547d\u540d\u7a7a\u95f4\u7684\u5b9e\u7528\u6280\u5de7\u548c\u7528\u6cd5\u5b9e\u4f8b\u3002 \u547d\u540d\u7a7a\u95f4\u58f0\u660e \u8981\u58f0\u660e\u4e00\u4e2a\u547d\u540d\u7a7a\u95f4\uff0c\u8bf7\u4f7f\u7528 namespace \u5173\u952e\u5b57\uff0c\u540e\u9762\u8ddf\u4e0a\u547d\u540d\u7a7a\u95f4\u540d\u79f0\u3002\u4f8b\u5982\uff1a namespace MyNamespace; \u4f7f\u7528\u547d\u540d\u7a7a\u95f4\u4e2d\u7684\u7c7b \u8981\u5728\u547d\u540d\u7a7a\u95f4\u5916\u4f7f\u7528\u547d\u540d\u7a7a\u95f4\u4e2d\u7684\u7c7b\uff0c\u5fc5\u987b\u4f7f\u7528\u5b8c\u5168\u9650\u5b9a\u540d\u79f0\uff08FQN\uff09\uff0c\u5305\u62ec\u547d\u540d\u7a7a\u95f4\u540d\u79f0\u548c\u7c7b\u540d\uff1a MyNamespace\\ MyClass::myMethod(); \u4f7f\u7528\u522b\u540d \u4e3a\u4e86\u63d0\u9ad8\u53ef\u8bfb\u6027\uff0c\u53ef\u4ee5\u4f7f\u7528 use \u5173\u952e\u5b57\u4e3a\u547d\u540d\u7a7a\u95f4\u6307\u5b9a\u4e00\u4e2a\u522b\u540d\uff1a use MyNamespace\\ MyClass as MyAlias; MyAlias::myMethod(); \u5b50\u547d\u540d\u7a7a\u95f4 \u547d\u540d\u7a7a\u95f4\u53ef\u4ee5\u5d4c\u5957\uff0c\u79f0\u4e3a\u5b50\u547d\u540d\u7a7a\u95f4\u3002\u8981\u58f0\u660e\u5b50\u547d\u540d\u7a7a\u95f4\uff0c\u8bf7\u4f7f\u7528\u70b9\u53f7 (.) \u5206\u9694\u5668\uff1a namespace MyNamespace\\ SubNamespace; \u5f15\u5bfc\u547d\u540d\u7a7a\u95f4 \u4e3a\u4e86\u907f\u514d\u5728\u6587\u4ef6\u9876\u90e8\u58f0\u660e\u6bcf\u4e2a\u547d\u540d\u7a7a\u95f4\uff0c\u53ef\u4ee5\u5728 composer.json \u6587\u4ef6\u4e2d\u914d\u7f6e\u81ea\u52a8\u52a0\u8f7d\u5668\u89c4\u5219\u3002\u4f8b\u5982\uff1a { &#8220;autoload&#8221;: { [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-48135","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48135","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=48135"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48135\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48135"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48135"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48135"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}