{"id":46756,"date":"2024-12-02T11:07:12","date_gmt":"2024-12-02T03:07:12","guid":{"rendered":"https:\/\/fwq.ai\/blog\/46756\/"},"modified":"2024-12-02T11:07:12","modified_gmt":"2024-12-02T03:07:12","slug":"php-%e5%87%bd%e6%95%b0%e5%91%bd%e5%90%8d%e7%a9%ba%e9%97%b4%e7%9a%84%e7%bb%84%e7%bb%87%e4%b8%8e%e4%bd%bf%e7%94%a8%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/46756\/","title":{"rendered":"PHP \u51fd\u6570\u547d\u540d\u7a7a\u95f4\u7684\u7ec4\u7ec7\u4e0e\u4f7f\u7528\u6307\u5357"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u547d\u540d\u7a7a\u95f4\u7684\u7ec4\u7ec7\u4e0e\u4f7f\u7528\u6307\u5357<\/h1>\n<p>\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP \u51fd\u6570\u547d\u540d\u7a7a\u95f4\u7684\u7ec4\u7ec7\u4e0e\u4f7f\u7528\u6307\u5357\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4e0b\u6587\u4e2d\u7684\u5185\u5bb9\u6211\u4eec\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5728\u9605\u8bfb\u672c\u6587\u8fc7\u7a0b\u4e2d\u6709\u9047\u5230\u4e0d\u6e05\u695a\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u7559\u8a00\u5440\uff01\u6211\u4eec\u4e00\u8d77\u8ba8\u8bba\uff0c\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241025\/1729844734671b55febe328.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u547d\u540d\u7a7a\u95f4\u7684\u7ec4\u7ec7\u4e0e\u4f7f\u7528\u6307\u5357\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u547d\u540d\u7a7a\u95f4\u7684\u7ec4\u7ec7\u4e0e\u4f7f\u7528\u6307\u5357\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u547d\u540d\u7a7a\u95f4\u7684\u7ec4\u7ec7\u4e0e\u4f7f\u7528\u6307\u5357<\/strong><\/p>\n<p><strong>\u7b80\u4ecb<\/strong><\/p>\n<p>\u547d\u540d\u7a7a\u95f4\u662f PHP 5.3 \u53ca\u66f4\u9ad8\u7248\u672c\u4e2d\u7528\u4e8e\u7ec4\u7ec7\u4ee3\u7801\u7684\u91cd\u8981\u7279\u6027\u3002\u5b83\u5141\u8bb8\u5f00\u53d1\u4eba\u5458\u521b\u5efa\u903b\u8f91\u4e0a\u76f8\u5173\u7684\u51fd\u6570\u5206\u7ec4\uff0c\u4ece\u800c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3001\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u91cd\u7528\u6027\u3002\u672c\u6587\u5c06\u4ecb\u7ecd PHP \u51fd\u6570\u547d\u540d\u7a7a\u95f4\u7684\u7ec4\u7ec7\u6700\u4f73\u5b9e\u8df5\u548c\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n<p><strong>\u547d\u540d\u7a7a\u95f4\u7ec4\u7ec7\u7684\u6700\u4f73\u5b9e\u8df5<\/strong><\/p>\n<ul>\n<li><strong>\u9075\u5faa PSR-4 \u6807\u51c6\uff1a<\/strong>PSR-4 \u662f PHP \u547d\u540d\u7a7a\u95f4\u6807\u51c6\uff0c\u5b83\u5b9a\u4e49\u4e86\u547d\u540d\u7a7a\u95f4\u7684\u7ed3\u6784\u548c\u7ec4\u7ec7\u65b9\u5f0f\u3002\u786e\u4fdd\u60a8\u7684\u547d\u540d\u7a7a\u95f4\u9075\u5faa PSR-4 \u6807\u51c6\uff0c\u4ee5\u4fbf\u4e0e\u5176\u4ed6 PHP \u4ee3\u7801\u5e93\u534f\u540c\u5de5\u4f5c\u3002<\/li>\n<li><strong>\u4f7f\u7528\u903b\u8f91\u5206\u7ec4\uff1a<\/strong>\u5c06\u5177\u6709\u76f8\u4f3c\u529f\u80fd\u6216\u7528\u9014\u7684\u51fd\u6570\u5206\u7ec4\u5230\u547d\u540d\u7a7a\u95f4\u4e2d\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a <code>Database<\/code> \u7684\u547d\u540d\u7a7a\u95f4\uff0c\u5176\u4e2d\u5305\u542b\u6240\u6709\u4e0e\u6570\u636e\u5e93\u4ea4\u4e92\u76f8\u5173\u7684\u51fd\u6570\u3002<\/li>\n<li><strong>\u4f7f\u7528\u901a\u7528\u524d\u7f00\uff1a<\/strong>\u4e3a\u60a8\u7684\u547d\u540d\u7a7a\u95f4\u521b\u5efa\u4e00\u4e2a\u552f\u4e00\u7684\u901a\u7528\u524d\u7f00\uff0c\u4ee5\u907f\u514d\u4e0e\u5176\u4ed6 PHP \u4ee3\u7801\u5e93\u7684\u547d\u540d\u7a7a\u95f4\u51b2\u7a81\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u6b63\u5728\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a <code>MyProject<\/code> \u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u524d\u7f00 <code>MyProject<\/code>\u3002<\/li>\n<li><strong>\u4fdd\u6301\u547d\u540d\u7a7a\u95f4\u5c42\u6b21\u7ed3\u6784\uff1a<\/strong>\u4f7f\u7528\u70b9\u7b26\u53f7 (<code>.<\/code>)\uff0c\u5728\u60a8\u7684\u547d\u540d\u7a7a\u95f4\u4e2d\u521b\u5efa\u5c42\u6b21\u7ed3\u6784\u3002\u8fd9\u6709\u52a9\u4e8e\u7ec4\u7ec7\u8f83\u5927\u7684\u4ee3\u7801\u5e93\uff0c\u5e76\u4e14\u5141\u8bb8\u60a8\u5d4c\u5957\u51fd\u6570\u5206\u7ec4\u3002<\/li>\n<\/ul>\n<p><strong>\u547d\u540d\u7a7a\u95f4\u7684\u4f7f\u7528<\/strong><\/p>\n<p><strong>\u521b\u5efa\u547d\u540d\u7a7a\u95f4\uff1a<\/strong><\/p>\n<pre>namespace MyProject\\Database;\n\nfunction connect() { \/* ... *\/ }\nfunction query() { \/* ... *\/ }<\/pre>\n<p><strong>\u4f7f\u7528\u547d\u540d\u7a7a\u95f4\u4e2d\u7684\u51fd\u6570\uff1a<\/strong><\/p>\n<pre>use MyProject\\Database as DB;\n\nDB\\connect();\nDB\\query();<\/pre>\n<p><strong>\u6216\uff0c\u53ef\u4ee5\u5b8c\u5168\u9650\u5b9a\u51fd\u6570\u7684\u540d\u79f0\uff1a<\/strong><\/p>\n<pre>MyProject\\Database\\connect();\nMyProject\\Database\\query();<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u5728\u4ee5\u4e0b\u5b9e\u6218\u6848\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06\u521b\u5efa\u4e00\u4e2a PHP \u5e94\u7528\u7a0b\u5e8f\uff0c\u5176\u4e2d\u5305\u542b\u4e24\u4e2a\u547d\u540d\u7a7a\u95f4\uff1a<code>Database<\/code> \u548c <code>User<\/code>\u3002<\/p>\n<p><strong>Database \u547d\u540d\u7a7a\u95f4<\/strong><\/p>\n<pre>namespace MyProject\\Database;\n\nfunction connect() { \/* ... *\/ }\nfunction query() { \/* ... *\/ }<\/pre>\n<p><strong>User \u547d\u540d\u7a7a\u95f4<\/strong><\/p>\n<pre>namespace MyProject\\User;\n\nfunction create() { \/* ... *\/ }\nfunction update() { \/* ... *\/ }<\/pre>\n<p><strong>\u4f7f\u7528\u547d\u540d\u7a7a\u95f4\u7684\u5e94\u7528\u7a0b\u5e8f\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>use MyProject\\Database as DB;\nuse MyProject\\User as U;\n\nDB\\connect();\nU\\create();<\/pre>\n<p><strong>\u7ed3\u8bba<\/strong><\/p>\n<p>\u547d\u540d\u7a7a\u95f4\u662f PHP \u4ee3\u7801\u5e93\u7ec4\u7ec7\u7684\u5f3a\u5927\u5de5\u5177\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u91cd\u7528\u6027\u3002\u901a\u8fc7\u9075\u5faa\u6700\u4f73\u5b9e\u8df5\u548c\u672c\u6307\u5357\u4e2d\u4ecb\u7ecd\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u7ec4\u7ec7\u548c\u4f7f\u7528 PHP \u51fd\u6570\u547d\u540d\u7a7a\u95f4\u3002<\/p>\n<p>\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300aPHP \u51fd\u6570\u547d\u540d\u7a7a\u95f4\u7684\u7ec4\u7ec7\u4e0e\u4f7f\u7528\u6307\u5357\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u51fd\u6570\u547d\u540d\u7a7a\u95f4\u7684\u7ec4\u7ec7\u4e0e\u4f7f\u7528\u6307\u5357 \u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u300aPHP \u51fd\u6570\u547d\u540d\u7a7a\u95f4\u7684\u7ec4\u7ec7\u4e0e\u4f7f\u7528\u6307\u5357\u300b\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4e0b\u6587\u4e2d\u7684\u5185\u5bb9\u6211\u4eec\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5728\u9605\u8bfb\u672c\u6587\u8fc7\u7a0b\u4e2d\u6709\u9047\u5230\u4e0d\u6e05\u695a\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u7559\u8a00\u5440\uff01\u6211\u4eec\u4e00\u8d77\u8ba8\u8bba\uff0c\u4e00\u8d77\u5b66\u4e60\uff01 PHP \u51fd\u6570\u547d\u540d\u7a7a\u95f4\u7684\u7ec4\u7ec7\u4e0e\u4f7f\u7528\u6307\u5357 \u7b80\u4ecb \u547d\u540d\u7a7a\u95f4\u662f PHP 5.3 \u53ca\u66f4\u9ad8\u7248\u672c\u4e2d\u7528\u4e8e\u7ec4\u7ec7\u4ee3\u7801\u7684\u91cd\u8981\u7279\u6027\u3002\u5b83\u5141\u8bb8\u5f00\u53d1\u4eba\u5458\u521b\u5efa\u903b\u8f91\u4e0a\u76f8\u5173\u7684\u51fd\u6570\u5206\u7ec4\uff0c\u4ece\u800c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3001\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u91cd\u7528\u6027\u3002\u672c\u6587\u5c06\u4ecb\u7ecd PHP \u51fd\u6570\u547d\u540d\u7a7a\u95f4\u7684\u7ec4\u7ec7\u6700\u4f73\u5b9e\u8df5\u548c\u4f7f\u7528\u65b9\u6cd5\u3002 \u547d\u540d\u7a7a\u95f4\u7ec4\u7ec7\u7684\u6700\u4f73\u5b9e\u8df5 \u9075\u5faa PSR-4 \u6807\u51c6\uff1aPSR-4 \u662f PHP \u547d\u540d\u7a7a\u95f4\u6807\u51c6\uff0c\u5b83\u5b9a\u4e49\u4e86\u547d\u540d\u7a7a\u95f4\u7684\u7ed3\u6784\u548c\u7ec4\u7ec7\u65b9\u5f0f\u3002\u786e\u4fdd\u60a8\u7684\u547d\u540d\u7a7a\u95f4\u9075\u5faa PSR-4 \u6807\u51c6\uff0c\u4ee5\u4fbf\u4e0e\u5176\u4ed6 PHP \u4ee3\u7801\u5e93\u534f\u540c\u5de5\u4f5c\u3002 \u4f7f\u7528\u903b\u8f91\u5206\u7ec4\uff1a\u5c06\u5177\u6709\u76f8\u4f3c\u529f\u80fd\u6216\u7528\u9014\u7684\u51fd\u6570\u5206\u7ec4\u5230\u547d\u540d\u7a7a\u95f4\u4e2d\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a Database \u7684\u547d\u540d\u7a7a\u95f4\uff0c\u5176\u4e2d\u5305\u542b\u6240\u6709\u4e0e\u6570\u636e\u5e93\u4ea4\u4e92\u76f8\u5173\u7684\u51fd\u6570\u3002 \u4f7f\u7528\u901a\u7528\u524d\u7f00\uff1a\u4e3a\u60a8\u7684\u547d\u540d\u7a7a\u95f4\u521b\u5efa\u4e00\u4e2a\u552f\u4e00\u7684\u901a\u7528\u524d\u7f00\uff0c\u4ee5\u907f\u514d\u4e0e\u5176\u4ed6 PHP \u4ee3\u7801\u5e93\u7684\u547d\u540d\u7a7a\u95f4\u51b2\u7a81\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u6b63\u5728\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a MyProject \u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u524d\u7f00 MyProject\u3002 \u4fdd\u6301\u547d\u540d\u7a7a\u95f4\u5c42\u6b21\u7ed3\u6784\uff1a\u4f7f\u7528\u70b9\u7b26\u53f7 (.)\uff0c\u5728\u60a8\u7684\u547d\u540d\u7a7a\u95f4\u4e2d\u521b\u5efa\u5c42\u6b21\u7ed3\u6784\u3002\u8fd9\u6709\u52a9\u4e8e\u7ec4\u7ec7\u8f83\u5927\u7684\u4ee3\u7801\u5e93\uff0c\u5e76\u4e14\u5141\u8bb8\u60a8\u5d4c\u5957\u51fd\u6570\u5206\u7ec4\u3002 \u547d\u540d\u7a7a\u95f4\u7684\u4f7f\u7528 \u521b\u5efa\u547d\u540d\u7a7a\u95f4\uff1a namespace MyProject\\Database; function connect() { \/* &#8230; *\/ } function query() { \/* &#8230; *\/ } \u4f7f\u7528\u547d\u540d\u7a7a\u95f4\u4e2d\u7684\u51fd\u6570\uff1a use [&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-46756","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46756","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=46756"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46756\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=46756"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=46756"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=46756"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}