{"id":30927,"date":"2023-04-15T01:32:51","date_gmt":"2023-12-25T02:03:50","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/php%e7%9a%84use%e7%94%a8%e6%b3%95\/"},"modified":"2025-08-12T21:26:17","modified_gmt":"2025-08-12T13:26:17","slug":"php%e7%9a%84use%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/php%e7%9a%84use%e7%94%a8%e6%b3%95\/","title":{"rendered":"PHP\u7684use\u7528\u6cd5"},"content":{"rendered":"
<?php<\/span>\r\nnamespace<\/span> XXX\\YYY\\ZZZ\\A1<\/span>;<\/span>\r\nclass<\/span> Human1<\/span>{<\/span>\r\n  public<\/span> function<\/span> run<\/span>(){<\/span>\r\n    return<\/span> 'run1'<\/span>;<\/span>\r\n  }<\/span>\r\n}<\/span>\r\nclass<\/span> Human2<\/span>{<\/span>\r\n  public<\/span> function<\/span> run<\/span>(){<\/span>\r\n    return<\/span> 'run2'<\/span>;<\/span>\r\n  }<\/span>\r\n}<\/span>\r\nclass<\/span> Human3<\/span>{<\/span>\r\n  public<\/span> function<\/span> run<\/span>(){<\/span>\r\n    return<\/span> 'run3'<\/span>;<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u4f7f\u7528\u4f7f\u7528\u5173\u952e\u5b57\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aA1\u7684\u547d\u540d\u7a7a\u95f4\u7684\u522b\u540d\uff0c\u8be5\u547d\u540d\u7a7a\u95f4\u7684\u8def\u5f84\u662fXXX\\YYY\\ZZZ\uff0c\u4ee5\u4fbf\u53ef\u4ee5\u901a\u8fc7A1\u8fdb\u884c\u5f15\u7528\u3002<\/p>\n
<?php<\/span>\r\nrequire_once<\/span> 'A.php'<\/span>;<\/span>\r\n\r\nuse<\/span> XXX\\YYY\\ZZZ\\A1<\/span> as<\/span> A1<\/span>;<\/span> \/\/XXX\\YYY\\ZZZ\\A1,\u3092A1\u3067\u53c2\u7167\u3067\u304d\u308b\u3088\u3046\u306b\u30a8\u30a4\u30ea\u30a2\u30b9\u3092\u4f5c\u6210<\/span>\r\n$human1<\/span> =<\/span> new<\/span> A1\\Human1<\/span>();<\/span>\r\n$human2<\/span> =<\/span> new<\/span> A1\\Human2<\/span>();<\/span>\r\n$human3<\/span> =<\/span> new<\/span> A1\\Human3<\/span>();<\/span>\r\n\r\necho<\/span> $human1<\/span>-><\/span>run<\/span>()<\/span>.<\/span>'\\n'<\/span>;<\/span> \/\/\u300crun1\u300d\u3068\u51fa\u529b<\/span>\r\necho<\/span> $human2<\/span>-><\/span>run<\/span>()<\/span>.<\/span>'\\n'<\/span>;<\/span> \/\/\u300crun2\u300d\u3068\u51fa\u529b<\/span>\r\necho<\/span> $human3<\/span>-><\/span>run<\/span>()<\/span>.<\/span>'\\n'<\/span>;<\/span> \/\/\u300crun3\u300d\u3068\u51fa\u529b<\/span>\r\n<\/code><\/pre>\n
\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c<\/p>\n
use XXX\\YYY\\ZZZ\\A1 as A1; \r\n<\/code><\/pre>\n
\u8fd9\u662f<\/p>\n
use XXX\\YYY\\ZZZ\\A1;\r\n<\/code><\/pre>\n
\u548c\u4e4b\u524d\u4e00\u6837\u3002
\n\u540c\u65f6\uff0c\u4f7f\u7528as\u5173\u952e\u8bcd\u53ef\u4ee5\u5c06\u521b\u5efa\u7684\u522b\u540d\u547d\u540d\u4e3aA1\u4ee5\u5916\u7684\u540d\u79f0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
<?php namespace XXX\\YYY\\ZZZ\\A1; class Human1{ public […]<\/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-30927","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\nPHP\u7684use\u7528\u6cd5 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8ePHP\u7684use\u7528\u6cd5\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\/php\u7684use\u7528\u6cd5\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PHP\u7684use\u7528\u6cd5\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8ePHP\u7684use\u7528\u6cd5\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/php\u7684use\u7528\u6cd5\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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