{"id":47714,"date":"2024-12-02T16:26:50","date_gmt":"2024-12-02T08:26:50","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47714\/"},"modified":"2024-12-02T16:26:50","modified_gmt":"2024-12-02T08:26:50","slug":"php%e5%87%bd%e6%95%b0%e6%96%87%e4%bb%b6%e6%93%8d%e4%bd%9c%e6%8c%87%e5%8d%97%ef%bc%9a%e5%a6%82%e4%bd%95%e8%a7%a3%e9%94%81%e6%96%87%e4%bb%b6%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47714\/","title":{"rendered":"php\u51fd\u6570\u6587\u4ef6\u64cd\u4f5c\u6307\u5357\uff1a\u5982\u4f55\u89e3\u9501\u6587\u4ef6\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

php\u51fd\u6570\u6587\u4ef6\u64cd\u4f5c\u6307\u5357\uff1a\u5982\u4f55\u89e3\u9501\u6587\u4ef6\uff1f<\/h1>\n

\u76ee\u524d\u7c73\u4e91\u4e0a\u5df2\u7ecf\u6709\u5f88\u591a\u5173\u4e8e\u6587\u7ae0<\/span>\u7684\u6587\u7ae0\u4e86\uff0c\u81ea\u5df1\u5728\u521d\u6b21\u9605\u8bfb\u8fd9\u4e9b\u6587\u7ae0\u4e2d\uff0c\u4e5f\u89c1\u8bc6\u5230\u4e86\u5f88\u591a\u5b66\u4e60\u601d\u8def\uff1b\u90a3\u4e48\u672c\u6587\u300aphp\u51fd\u6570\u6587\u4ef6\u64cd\u4f5c\u6307\u5357\uff1a\u5982\u4f55\u89e3\u9501\u6587\u4ef6\uff1f\u300b<\/span>\uff0c\u4e5f\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u5982\u679c\u9605\u8bfb\u5b8c\u540e\u771f\u7684\u5bf9\u4f60\u5b66\u4e60\u6587\u7ae0<\/span>\u6709\u5e2e\u52a9\uff0c\u6b22\u8fce\u52a8\u52a8\u624b\u6307\uff0c\u8bc4\u8bba\u7559\u8a00\u5e76\u5206\u4eab~<\/p>\n

\"php\u51fd\u6570\u6587\u4ef6\u64cd\u4f5c\u6307\u5357\uff1a\u5982\u4f55\u89e3\u9501\u6587\u4ef6\uff1f\u63d2\u56fe\"<\/p>\n

PHP \u51fd\u6570\u6587\u4ef6\u64cd\u4f5c\u6307\u5357\uff1a\u5982\u4f55\u89e3\u9501\u6587\u4ef6<\/strong><\/p>\n

\u6982\u8ff0<\/strong><\/p>\n

\u5728 PHP \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 flock()<\/code> \u51fd\u6570\u5bf9\u6587\u4ef6\u8fdb\u884c\u9501\u5b9a\uff0c\u4ee5\u786e\u4fdd\u5728\u5199\u5165\u6216\u8bfb\u53d6\u6570\u636e\u65f6\u4e0d\u4f1a\u51fa\u73b0\u6587\u4ef6\u635f\u574f\u6216\u6570\u636e\u4e22\u5931\u3002\u672c\u6587\u5c06\u6307\u5bfc\u60a8\u5982\u4f55\u4f7f\u7528 flock()<\/code> \u51fd\u6570\u89e3\u9501\u6587\u4ef6\u3002<\/p>\n

\u8bed\u6cd5<\/strong><\/p>\n

int flock(resource $handle, int $operation)<\/pre>\n
    \n
  • $handle<\/code>\uff1a\u8981\u9501\u5b9a\u7684\u6587\u4ef6\u6307\u9488\u3002<\/li>\n
  • \n
    $operation<\/code>\uff1a\u9501\u5b9a\u64cd\u4f5c\uff0c\u53ef\u4ee5\u662f\u4ee5\u4e0b\u5e38\u91cf\u4e4b\u4e00\uff1a<\/p>\n
      \n
    • LOCK_SH<\/code>\uff1a\u5171\u4eab\u9501\u5b9a\uff08\u4ec5\u8bfb\u53d6\uff09<\/li>\n
    • LOCK_EX<\/code>\uff1a\u72ec\u5360\u9501\u5b9a\uff08\u5199\u5165\u548c\u8bfb\u53d6\uff09<\/li>\n
    • LOCK_UN<\/code>\uff1a\u89e3\u9501\u6587\u4ef6<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
      \u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
      \u4ee5\u4e0b\u662f\u4e00\u4e2a\u89e3\u9501\u6587\u4ef6\u7684\u793a\u4f8b\uff1a<\/p>\n
      <?php\n\n\/\/ \u6253\u5f00\u6587\u4ef6\n$file = fopen('data.txt', 'w');\n\n\/\/ \u83b7\u53d6\u72ec\u5360\u6587\u4ef6\u9501\u5b9a\nif (flock($file, LOCK_EX)) {\n    \/\/ \u5199\u5165\u6587\u4ef6\n    fwrite($file, 'Hello, world!');\n\n    \/\/ \u89e3\u9501\u6587\u4ef6\n    flock($file, LOCK_UN);\n} else {\n    \/\/ \u6587\u4ef6\u65e0\u6cd5\u9501\u5b9a\n    echo '\u65e0\u6cd5\u9501\u5b9a\u6587\u4ef6\uff01';\n}\n\n\/\/ \u5173\u95ed\u6587\u4ef6\nfclose($file);\n\n?><\/pre>\n
      \u5728\u8be5\u793a\u4f8b\u4e2d\uff0c\u9996\u5148\u6253\u5f00\u6587\u4ef6\u5e76\u83b7\u53d6\u72ec\u5360\u9501\u5b9a\u3002\u7136\u540e\uff0c\u5199\u5165\u6587\u4ef6\u5e76\u89e3\u9501\u6587\u4ef6\u3002\u6700\u540e\uff0c\u5173\u95ed\u6587\u4ef6\u3002<\/p>\n
      \u6ce8\u610f<\/strong><\/p>\n
        \n
      • \u5728\u89e3\u9501\u6587\u4ef6\u4e4b\u524d\uff0c\u5fc5\u987b\u5148\u83b7\u5f97\u6587\u4ef6\u9501\u5b9a\u3002<\/li>\n
      • \u5982\u679c\u6587\u4ef6\u5df2\u88ab\u5176\u4ed6\u8fdb\u7a0b\u9501\u5b9a\uff0cflock()<\/code> \u51fd\u6570\u5c06\u963b\u585e\uff0c\u76f4\u5230\u9501\u5b9a\u88ab\u91ca\u653e\u3002<\/li>\n
      • \u4e00\u65e6\u6587\u4ef6\u88ab\u89e3\u9501\uff0c\u4efb\u4f55\u5176\u4ed6\u8fdb\u7a0b\u90fd\u53ef\u4ee5\u8bbf\u95ee\u8be5\u6587\u4ef6\u3002<\/li>\n<\/ul>\n
        \u4ee5\u4e0a\u5c31\u662f\u300aphp\u51fd\u6570\u6587\u4ef6\u64cd\u4f5c\u6307\u5357\uff1a\u5982\u4f55\u89e3\u9501\u6587\u4ef6\uff1f\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8ephp,\u6587\u4ef6\u64cd\u4f5c\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
        php\u51fd\u6570\u6587\u4ef6\u64cd\u4f5c\u6307\u5357\uff1a\u5982\u4f55\u89e3\u9501\u6587\u4ef6\uff1f \u76ee\u524d\u7c73\u4e91\u4e0a\u5df2\u7ecf\u6709\u5f88\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u6587\u7ae0\u4e86\uff0c\u81ea\u5df1\u5728\u521d\u6b21\u9605\u8bfb\u8fd9\u4e9b\u6587\u7ae0\u4e2d\uff0c\u4e5f\u89c1\u8bc6\u5230\u4e86\u5f88\u591a\u5b66\u4e60\u601d\u8def\uff1b\u90a3\u4e48\u672c\u6587\u300aphp\u51fd\u6570\u6587\u4ef6\u64cd\u4f5c\u6307\u5357\uff1a\u5982\u4f55\u89e3\u9501\u6587\u4ef6\uff1f\u300b\uff0c\u4e5f\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u5982\u679c\u9605\u8bfb\u5b8c\u540e\u771f\u7684\u5bf9\u4f60\u5b66\u4e60\u6587\u7ae0\u6709\u5e2e\u52a9\uff0c\u6b22\u8fce\u52a8\u52a8\u624b\u6307\uff0c\u8bc4\u8bba\u7559\u8a00\u5e76\u5206\u4eab~ PHP \u51fd\u6570\u6587\u4ef6\u64cd\u4f5c\u6307\u5357\uff1a\u5982\u4f55\u89e3\u9501\u6587\u4ef6 \u6982\u8ff0 \u5728 PHP \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 flock() \u51fd\u6570\u5bf9\u6587\u4ef6\u8fdb\u884c\u9501\u5b9a\uff0c\u4ee5\u786e\u4fdd\u5728\u5199\u5165\u6216\u8bfb\u53d6\u6570\u636e\u65f6\u4e0d\u4f1a\u51fa\u73b0\u6587\u4ef6\u635f\u574f\u6216\u6570\u636e\u4e22\u5931\u3002\u672c\u6587\u5c06\u6307\u5bfc\u60a8\u5982\u4f55\u4f7f\u7528 flock() \u51fd\u6570\u89e3\u9501\u6587\u4ef6\u3002 \u8bed\u6cd5 int flock(resource $handle, int $operation) $handle\uff1a\u8981\u9501\u5b9a\u7684\u6587\u4ef6\u6307\u9488\u3002 $operation\uff1a\u9501\u5b9a\u64cd\u4f5c\uff0c\u53ef\u4ee5\u662f\u4ee5\u4e0b\u5e38\u91cf\u4e4b\u4e00\uff1a LOCK_SH\uff1a\u5171\u4eab\u9501\u5b9a\uff08\u4ec5\u8bfb\u53d6\uff09 LOCK_EX\uff1a\u72ec\u5360\u9501\u5b9a\uff08\u5199\u5165\u548c\u8bfb\u53d6\uff09 LOCK_UN\uff1a\u89e3\u9501\u6587\u4ef6 \u5b9e\u6218\u6848\u4f8b \u4ee5\u4e0b\u662f\u4e00\u4e2a\u89e3\u9501\u6587\u4ef6\u7684\u793a\u4f8b\uff1a <?php \/\/ \u6253\u5f00\u6587\u4ef6 $file = fopen(‘data.txt’, ‘w’); \/\/ \u83b7\u53d6\u72ec\u5360\u6587\u4ef6\u9501\u5b9a if (flock($file, LOCK_EX)) { \/\/ \u5199\u5165\u6587\u4ef6 fwrite($file, ‘Hello, world!’); \/\/ \u89e3\u9501\u6587\u4ef6 flock($file, LOCK_UN); } else { \/\/ \u6587\u4ef6\u65e0\u6cd5\u9501\u5b9a echo ‘\u65e0\u6cd5\u9501\u5b9a\u6587\u4ef6\uff01’; } […]<\/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-47714","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47714","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=47714"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47714\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47714"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47714"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47714"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}