{"id":46883,"date":"2024-12-02T10:31:49","date_gmt":"2024-12-02T02:31:49","guid":{"rendered":"https:\/\/fwq.ai\/blog\/46883\/"},"modified":"2024-12-02T10:31:49","modified_gmt":"2024-12-02T02:31:49","slug":"%e5%9c%a8-php-%e4%b8%ad%e8%bf%9e%e6%8e%a5%e5%88%b0-mysql-%e6%95%b0%e6%8d%ae%e5%ba%93","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/46883\/","title":{"rendered":"\u5728 PHP \u4e2d\u8fde\u63a5\u5230 MySQL \u6570\u636e\u5e93"},"content":{"rendered":"

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

\u5728 PHP \u4e2d\u8fde\u63a5\u5230 MySQL \u6570\u636e\u5e93<\/h1>\n

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PHP \u901a\u5e38\u4e0e MySQL \u642d\u914d\u4f7f\u7528\uff0cMySQL \u662f\u4f7f\u7528\u6700\u5e7f\u6cdb\u7684\u5f00\u6e90\u5173\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u4e4b\u4e00\uff0c\u53ef\u4ee5\u5728\u5c0f\u578b\u548c\u5927\u578b\u9879\u76ee\u4e2d\u5feb\u901f\u9ad8\u6548\u5730\u5904\u7406\u6570\u636e\u3002 <\/p>\n

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MySQL \u548c PHP \u96c6\u6210\u6982\u8ff0 <\/h2>\n

MySQL \u56e0\u5f00\u6e90\u5173\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u6216 RDBMS \u800c\u95fb\u540d\uff0c\u56e0\u5176\u6027\u80fd\u3001\u53ef\u9760\u6027\u548c\u6613\u7528\u6027\u800c\u53d7\u5230\u5e7f\u6cdb\u8d5e\u8d4f\u3002<\/p>\n

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MySQLi \u6269\u5c55<\/strong>
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PDO\uff08PHP \u6570\u636e\u5bf9\u8c61\uff09<\/strong>
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\u5efa\u7acb\u8fde\u63a5 <\/h2>\n

\u4e0e MySQL \u6570\u636e\u5e93\u5efa\u7acb\u53ef\u9760\u7684\u8fde\u63a5\u662f\u6784\u5efa\u52a8\u6001 PHP \u5e94\u7528\u7a0b\u5e8f\u7684\u7b2c\u4e00\u6b65\u3002<\/p>\n

\u4f7f\u7528 MySQLi \u8fde\u63a5\u5230 MySQL<\/strong>
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\u4f7f\u7528 PDO \u8fde\u63a5\u5230 MySQL<\/strong>
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\u6267\u884c\u57fa\u672c\u6570\u636e\u5e93\u64cd\u4f5c <\/h2>\n

\u4e3a\u4e86\u6709\u6548\u7ba1\u7406 MySQL \u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\uff0c\u60a8\u9700\u8981\u4e86\u89e3\u5982\u4f55\u6267\u884c\u57fa\u672c SQL \u64cd\u4f5c\u4ee5\u53ca\u8fd9\u4e9b\u64cd\u4f5c\u5982\u4f55\u53d1\u6325\u4f5c\u7528\u3002<\/p>\n

\u6267\u884c\u67e5\u8be2<\/strong>
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\u4f7f\u7528 MySQLi\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u201c$conn->query($sql)\u201d\uff08\u9762\u5411\u5bf9\u8c61\u65b9\u6cd5\uff09\u6216\u201cmysqli_query($conn, $sql)\u201d\uff08\u7a0b\u5e8f\u65b9\u6cd5\uff09\u6765\u8fd0\u884c\u8fd9\u4e9b\u67e5\u8be2\u3002 <\/p>\n

\u5bf9\u4e8e PDO\uff0c\u4f7f\u7528\u201c$conn->exec($sql)\u201d\u8fdb\u884c\u4fee\u6539\u6570\u636e\u5e93\u7684\u67e5\u8be2\uff0c\u6216\u4f7f\u7528\u201c$conn->query($sql)\u201d\u8fdb\u884c\u68c0\u7d22\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u5355\u7684\u65b9\u6cd5\u6765\u6267\u884c\u547d\u4ee4\uff0c\u5e2e\u52a9\u60a8\u9ad8\u6548\u7ba1\u7406\u6570\u636e\u5e93\u3002<\/p>\n

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\u9519\u8bef\u5904\u7406\u548c\u8c03\u8bd5 <\/h2>\n

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    \n
  • MySQLi<\/strong>\uff1a\u8981\u5904\u7406\u4f7f\u7528 MySQLi \u65f6\u7684\u9519\u8bef\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u201c$conn->error\u201d\u4f5c\u4e3a\u9762\u5411\u5bf9\u8c61\u7684\u65b9\u6cd5\uff0c\u6216\u4f7f\u7528\u201cmysqli_error($conn)\u201d\u4f5c\u4e3a\u8fc7\u7a0b\u65b9\u6cd5\u3002\u8fd9\u4e9b\u529f\u80fd\u53ef\u4ee5\u5e2e\u52a9\u60a8\u6355\u83b7\u548c\u663e\u793a\u6570\u636e\u5e93\u9519\u8bef\uff0c\u4ece\u800c\u66f4\u8f7b\u677e\u5730\u8c03\u8bd5\u4e0e\u8fde\u63a5\u6216 SQL \u67e5\u8be2\u76f8\u5173\u7684\u95ee\u9898\uff0c\u4ee5\u4fbf\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u8bc6\u522b\u548c\u89e3\u51b3\u95ee\u9898\u3002<\/li>\n
  • PDO<\/strong>\uff1aPDO \u4f7f\u7528\u81ea\u5df1\u7684\u5f02\u5e38\u7c7b PDOException \u6765\u6709\u6548\u5730\u7ba1\u7406\u9519\u8bef\u3002\u60a8\u53ef\u4ee5\u5229\u7528\u201ctry…catch\u201d\u5757\u6765\u68c0\u6d4b\u5f02\u5e38\u5e76\u505a\u51fa\u76f8\u5e94\u7684\u54cd\u5e94\u3002\u5f53\u53d1\u751f\u9519\u8bef\u65f6\uff0c\u201ccatch(PDOException $e)\u201d\u5141\u8bb8\u60a8\u8f93\u51fa\u7279\u5b9a\u7684\u9519\u8bef\u6d88\u606f\uff0c\u4ece\u800c\u5bf9\u5982\u4f55\u5904\u7406\u9519\u8bef\u63d0\u4f9b\u66f4\u7cbe\u7ec6\u7684\u63a7\u5236\uff0c\u8fd9\u4f7f\u5f97\u8c03\u8bd5\u548c\u7ef4\u62a4\u4ee3\u7801\u53d8\u5f97\u66f4\u52a0\u5bb9\u6613\u3002<\/li>\n<\/ul>\n

    \u5173\u95ed\u6570\u636e\u5e93\u8fde\u63a5 <\/h2>\n

    \u5bf9\u4e8eMySQLi\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u9762\u5411\u5bf9\u8c61\u98ce\u683c\u7684\u201c$conn->close()\u201d\u663e\u5f0f\u5173\u95ed\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u5bf9\u4e8e\u8fc7\u7a0b\u65b9\u6cd5\u4f7f\u7528\u201cmysqli_close($conn)\u201d\uff0c\u6216\u8005\u5bf9\u4e8ePDO\u8bbe\u7f6e\u201c$conn = null\u201d \u3002\u867d\u7136 PHP \u4f1a\u5728\u811a\u672c\u7ed3\u675f\u65f6\u81ea\u52a8\u5173\u95ed\u8fde\u63a5\uff0c\u4f46\u624b\u52a8\u5173\u95ed\u5b83\u662f\u91ca\u653e\u670d\u52a1\u5668\u8d44\u6e90\u5e76\u589e\u5f3a\u6027\u80fd\u7684\u597d\u4e60\u60ef\u3002<\/p>\n

    \u4e0d\u518d\u9700\u8981\u65f6\u59cb\u7ec8\u5173\u95ed\u6570\u636e\u5e93\u8fde\u63a5\u3002\u5229\u7528\u51c6\u5907\u597d\u7684\u8bed\u53e5\u6765\u9632\u5fa1 SQL \u6ce8\u5165\u5e76\u589e\u5f3a\u5e94\u7528\u7a0b\u5e8f\u7684\u5b89\u5168\u6027\u3002<\/p>\n

    \u4ee5\u4e0a\u5c31\u662f\u300a\u5728 PHP \u4e2d\u8fde\u63a5\u5230 MySQL \u6570\u636e\u5e93\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n

    \u7248\u672c\u58f0\u660e \u672c\u6587\u8f6c\u8f7d\u4e8e\uff1adev.to \u5982\u6709\u4fb5\u72af\uff0c\u8bf7\u8054\u7cfb \u5220\u9664<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u5728 PHP \u4e2d\u8fde\u63a5\u5230 MySQL \u6570\u636e\u5e93 \u6536\u85cf \u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300a\u5728 PHP \u4e2d\u8fde\u63a5\u5230 MySQL \u6570\u636e\u5e93\u300b\uff0c\u8986\u76d6\u4e86\u6587\u7ae0\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002 PHP \u901a\u5e38\u4e0e MySQL \u642d\u914d\u4f7f\u7528\uff0cMySQL \u662f\u4f7f\u7528\u6700\u5e7f\u6cdb\u7684\u5f00\u6e90\u5173\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u4e4b\u4e00\uff0c\u53ef\u4ee5\u5728\u5c0f\u578b\u548c\u5927\u578b\u9879\u76ee\u4e2d\u5feb\u901f\u9ad8\u6548\u5730\u5904\u7406\u6570\u636e\u3002 \u65e0\u8bba\u60a8\u662f\u521b\u5efa\u7b80\u5355\u7684\u7f51\u7ad9\u8fd8\u662f\u9ad8\u7ea7 Web \u5e94\u7528\u7a0b\u5e8f\uff0c\u60a8\u90fd\u9700\u8981\u77e5\u9053\u5982\u4f55\u5c06 PHP \u8fde\u63a5\u5230 MySQL \u6570\u636e\u5e93\u3002 MySQL \u548c PHP \u96c6\u6210\u6982\u8ff0 MySQL \u56e0\u5f00\u6e90\u5173\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u6216 RDBMS \u800c\u95fb\u540d\uff0c\u56e0\u5176\u6027\u80fd\u3001\u53ef\u9760\u6027\u548c\u6613\u7528\u6027\u800c\u53d7\u5230\u5e7f\u6cdb\u8d5e\u8d4f\u3002 \u5b83\u975e\u5e38\u9002\u5408\u5404\u79cd\u5e94\u7528\u7a0b\u5e8f\uff0c\u4ece\u5c0f\u578b\u7f51\u7ad9\u5230\u5927\u578b\u590d\u6742\u7684\u4f01\u4e1a\u7cfb\u7edf\u3002\u5176\u7075\u6d3b\u6027\u548c\u6548\u7387\u4f7f MySQL \u6210\u4e3a\u5bfb\u6c42\u575a\u5b9e\u6570\u636e\u5e93\u57fa\u7840\u7684\u5f00\u53d1\u4eba\u5458\u7684\u9996\u9009\u3002 PHP \u662f\u4e00\u79cd\u670d\u52a1\u5668\u7aef\u811a\u672c\u8bed\u8a00\uff0c\u53ef\u4e0e MySQL \u65e0\u7f1d\u534f\u4f5c\u6765\u6784\u5efa\u4ea4\u4e92\u5f0f\u3001\u6570\u636e\u9a71\u52a8\u7684\u7f51\u9875\u3002\u5b83\u4eec\u5171\u540c\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u540e\u7aef\u89e3\u51b3\u65b9\u6848\uff0c\u4f7f\u5176\u6210\u4e3a\u7f51\u7ad9\u548c Web \u5e94\u7528\u7a0b\u5e8f\u7684\u5b8c\u7f8e\u9009\u62e9\u3002 \u8bbe\u7f6e MySQL \u6570\u636e\u5e93 \u8981\u8bbe\u7f6e MySQL \u6570\u636e\u5e93\uff0c\u8bf7\u9996\u5148\u4f7f\u7528 MySQL \u547d\u4ee4\u884c\u754c\u9762 (CLI) \u6216 phpMyAdmin \u7b49 Web \u5de5\u5177\u521b\u5efa\u5b83\u3002\u4f7f\u7528 […]<\/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-46883","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46883","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=46883"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46883\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=46883"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=46883"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=46883"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}