{"id":626,"date":"2025-01-01T10:36:18","date_gmt":"2025-01-01T02:36:18","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=626"},"modified":"2025-01-01T10:36:18","modified_gmt":"2025-01-01T02:36:18","slug":"mysqli-%e5%92%8c-mysql%e6%9c%89%e4%bb%80%e4%b9%88%e5%8c%ba%e5%88%ab%ef%bc%8c%e4%bd%bf%e7%94%a8%e7%9a%84%e6%97%b6%e5%80%99%e8%af%a5%e6%80%8e%e6%a0%b7%e9%80%89%e6%8b%a9%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/01\/01\/mysqli-%e5%92%8c-mysql%e6%9c%89%e4%bb%80%e4%b9%88%e5%8c%ba%e5%88%ab%ef%bc%8c%e4%bd%bf%e7%94%a8%e7%9a%84%e6%97%b6%e5%80%99%e8%af%a5%e6%80%8e%e6%a0%b7%e9%80%89%e6%8b%a9%ef%bc%9f\/","title":{"rendered":"MySQLi\u00a0\u548c\u00a0MySQL\u6709\u4ec0\u4e48\u533a\u522b\uff0c\u4f7f\u7528\u7684\u65f6\u5019\u8be5\u600e\u6837\u9009\u62e9\uff1f"},"content":{"rendered":"\n
\n

\u5728 MySQL \u6570\u636e\u5e93\u4e0e PHP \u7684\u4ea4\u4e92\u4e2d\uff0cMySQLi<\/code> \u548c MySQL<\/code> \u662f\u4e24\u4e2a\u4e0d\u540c\u7684 API\u3002\u867d\u7136\u5b83\u4eec\u90fd\u7528\u4e8e\u8bbf\u95ee MySQL \u6570\u636e\u5e93\uff0c\u4f46\u5b83\u4eec\u6709\u4e00\u4e9b\u91cd\u8981\u7684\u533a\u522b\u3002MySQL<\/strong> \u6269\u5c55\u662f PHP \u8f83\u65e9\u671f\u7248\u672c\u4e2d\u7684 API\uff0c\u800c MySQLi<\/strong> \u662f\u5bf9\u5176\u8fdb\u884c\u6539\u8fdb\u540e\u7684\u7248\u672c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5173\u4e8e\u4f55\u65f6\u4f7f\u7528\u54ea\u4e00\u4e2a\u7684\u8be6\u7ec6\u5bf9\u6bd4\uff0c\u4ee5\u53ca\u9009\u62e9\u5efa\u8bae\u3002<\/p>\n<\/blockquote>\n\n\n\n

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1. MySQL vs MySQLi\uff1a\u4e3b\u8981\u533a\u522b<\/strong><\/h3>\n\n\n\n
\u7279\u6027<\/th>MySQL<\/strong><\/th>MySQLi<\/strong><\/th><\/tr><\/thead>
\u5df2\u5f03\u7528<\/strong><\/td>\u662f\u7684\uff08\u4ece PHP 5.5 \u5f00\u59cb\u88ab\u5f03\u7528\uff09<\/td>\u5426<\/td><\/tr>
\u9762\u5411\u5bf9\u8c61\/\u8fc7\u7a0b\u5316<\/strong><\/td>\u53ea\u652f\u6301\u8fc7\u7a0b\u5316\u98ce\u683c<\/td>\u652f\u6301\u8fc7\u7a0b\u5316\u548c\u9762\u5411\u5bf9\u8c61\u98ce\u683c\u4e24\u79cd<\/td><\/tr>
\u652f\u6301\u9884\u5904\u7406\u8bed\u53e5<\/strong><\/td>\u5426<\/td>\u662f<\/td><\/tr>
\u4e8b\u52a1\u652f\u6301<\/strong><\/td>\u5426<\/td>\u662f<\/td><\/tr>
\u591a\u91cd\u67e5\u8be2<\/strong><\/td>\u5426<\/td>\u662f<\/td><\/tr>
\u7ed3\u679c\u96c6\u652f\u6301<\/strong><\/td>\u5426\uff08\u4e0d\u80fd\u7528\u4e00\u6b21\u67e5\u8be2\u8fd4\u56de\u591a\u4e2a\u7ed3\u679c\uff09<\/td>\u662f\uff08\u53ef\u4ee5\u4f7f\u7528\u591a\u4e2a\u7ed3\u679c\u96c6\uff09<\/td><\/tr>
\u9519\u8bef\u5904\u7406<\/strong><\/td>\u57fa\u672c\u9519\u8bef\u63d0\u793a<\/td>\u63d0\u4f9b\u8be6\u7ec6\u7684\u9519\u8bef\u5904\u7406<\/td><\/tr>
\u6027\u80fd<\/strong><\/td>\u8f83\u4f4e\uff08\u4e0d\u652f\u6301\u6301\u4e45\u8fde\u63a5\uff09<\/td>\u66f4\u9ad8\uff08\u652f\u6301\u6301\u4e45\u8fde\u63a5\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n\n\n\n

2. \u4f55\u65f6\u4f7f\u7528 MySQLi<\/strong><\/h3>\n\n\n\n
    \n
  • \u63a8\u8350\u4f7f\u7528 MySQLi<\/strong>\uff0c\u7279\u522b\u662f\u5728\u65b0\u7684\u9879\u76ee\u4e2d\u3002MySQLi<\/code> \u662f\u4e00\u4e2a\u66f4\u73b0\u4ee3\u3001\u66f4\u5b89\u5168\u4e14\u66f4\u5f3a\u5927\u7684\u6269\u5c55\u3002\u5b83\u6709\u5f88\u591a\u65b0\u529f\u80fd\uff0c\u9002\u7528\u4e8e\u5f00\u53d1\u73b0\u4ee3\u5316\u7684 Web \u5e94\u7528\u3002<\/li>\n\n\n\n
  • \u9884\u5904\u7406\u8bed\u53e5<\/strong>\uff1a\u5982\u679c\u4f60\u5e0c\u671b\u4f7f\u7528\u9884\u5904\u7406\u8bed\u53e5\u6765\u9632\u6b62 SQL \u6ce8\u5165\uff0cMySQLi<\/code> \u662f\u552f\u4e00\u7684\u9009\u62e9\u3002\u9884\u5904\u7406\u8bed\u53e5\u4e0d\u4ec5\u80fd\u63d0\u9ad8\u5b89\u5168\u6027\uff0c\u8fd8\u80fd\u6539\u5584\u6027\u80fd\u3002<\/li>\n\n\n\n
  • \u9762\u5411\u5bf9\u8c61\u7f16\u7a0b<\/strong>\uff1a\u5982\u679c\u4f60\u559c\u6b22\u4f7f\u7528\u9762\u5411\u5bf9\u8c61\u7684\u7f16\u7a0b\u65b9\u6cd5\uff0cMySQLi<\/code> \u63d0\u4f9b\u4e86\u9762\u5411\u5bf9\u8c61\u63a5\u53e3\uff0c\u80fd\u8ba9\u4ee3\u7801\u66f4\u5177\u7ed3\u6784\u6027\u3002<\/li>\n\n\n\n
  • \u652f\u6301\u4e8b\u52a1<\/strong>\uff1aMySQLi<\/code> \u63d0\u4f9b\u4e86\u5bf9\u4e8b\u52a1\u7684\u652f\u6301\uff0c\u5982\u679c\u4f60\u9700\u8981\u6267\u884c\u590d\u6742\u7684\u591a\u6b65\u64cd\u4f5c\uff08\u4f8b\u5982\uff0c\u5728\u6267\u884c\u591a\u4e2a\u63d2\u5165\u64cd\u4f5c\u65f6\u4fdd\u6301\u6570\u636e\u4e00\u81f4\u6027\uff09\uff0cMySQLi<\/code> \u662f\u5fc5\u9009\u7684\u3002<\/li>\n\n\n\n
  • \u6301\u4e45\u8fde\u63a5<\/strong>\uff1aMySQLi<\/code> \u652f\u6301\u6301\u4e45\u8fde\u63a5\uff0c\u8fd9\u5bf9\u4e8e\u9ad8\u6d41\u91cf\u5e94\u7528\u7a0b\u5e8f\uff08\u5982\u5927\u578b\u7f51\u7ad9\uff09\u53ef\u80fd\u6709\u52a9\u4e8e\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<\/ul>\n\n\n\n

    \u793a\u4f8b\u4ee3\u7801\uff1a\u4f7f\u7528 MySQLi \u8fdb\u884c\u8fde\u63a5\u548c\u67e5\u8be2\uff08\u9762\u5411\u5bf9\u8c61\u98ce\u683c\uff09<\/h4>\n\n\n\n
    \/\/ \u521b\u5efa\u6570\u636e\u5e93\u8fde\u63a5\n$mysqli = new mysqli(\"localhost\", \"user\", \"password\", \"database\");\n\n\/\/ \u68c0\u67e5\u8fde\u63a5\u662f\u5426\u6210\u529f\nif ($mysqli->connect_error) {\n    die(\"Connection failed: \" . $mysqli->connect_error);\n}\n\n\/\/ \u4f7f\u7528\u9884\u5904\u7406\u8bed\u53e5\u9632\u6b62 SQL \u6ce8\u5165\n$stmt = $mysqli->prepare(\"SELECT name, age FROM users WHERE id = ?\");\n$stmt->bind_param(\"i\", $user_id); \/\/ \"i\" \u4ee3\u8868\u6574\u578b\n$stmt->execute();\n\n\/\/ \u83b7\u53d6\u7ed3\u679c\n$result = $stmt->get_result();\nwhile ($row = $result->fetch_assoc()) {\n    echo $row['name'] . \" - \" . $row['age'] . \"<br>\";\n}\n\n\/\/ \u5173\u95ed\u8fde\u63a5\n$stmt->close();\n$mysqli->close();<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    3. \u4f55\u65f6\u4f7f\u7528 MySQL<\/strong><\/h3>\n\n\n\n
      \n
    • \u65e7\u4ee3\u7801\u6216\u517c\u5bb9\u6027<\/strong>\uff1a\u5982\u679c\u4f60\u6b63\u5728\u7ef4\u62a4\u4e00\u4e2a\u8001\u65e7\u7684 PHP \u9879\u76ee\uff0c\u6216\u8005\u4f60\u5df2\u7ecf\u4f7f\u7528\u4e86 MySQL<\/code> \u6269\u5c55\uff0c\u53ef\u80fd\u9700\u8981\u7ee7\u7eed\u4f7f\u7528\u5b83\uff0c\u76f4\u5230\u9879\u76ee\u66f4\u65b0\u3002<\/li>\n\n\n\n
    • \u4e0d\u5173\u5fc3\u6027\u80fd\u548c\u5b89\u5168<\/strong>\uff1a\u5982\u679c\u4f60\u6ca1\u6709\u590d\u6742\u7684\u9700\u6c42\uff0c\u5e76\u4e14\u53ea\u662f\u8fdb\u884c\u4e00\u4e9b\u7b80\u5355\u7684\u67e5\u8be2\uff08\u4f8b\u5982\uff0c\u5c55\u793a\u6570\u636e\uff09\uff0cMySQL<\/code> \u53ef\u80fd\u4f1a\u663e\u5f97\u7b80\u6d01\u3002\u5c3d\u7ba1\u5982\u6b64\uff0c\u8003\u8651\u5230\u5b83\u5df2\u88ab\u5f03\u7528\uff0c\u5efa\u8bae\u5c3d\u91cf\u907f\u514d\u4f7f\u7528\u3002<\/li>\n\n\n\n
    • \u9057\u7559\u7cfb\u7edf<\/strong>\uff1a\u5982\u679c\u9879\u76ee\u4f9d\u8d56\u65e7\u7248\u672c\u7684 PHP\uff0c\u4e14\u4e0d\u80fd\u5347\u7ea7\u5230\u652f\u6301 MySQLi<\/code> \u6216 PDO<\/code> \u7684\u7248\u672c\uff0c\u90a3\u4e48\u7ee7\u7eed\u4f7f\u7528 MySQL<\/code> \u6269\u5c55\u662f\u5fc5\u8981\u7684\uff0c\u4f46\u8fd9\u79cd\u60c5\u51b5\u5e94\u8be5\u5c3d\u91cf\u907f\u514d\uff0c\u907f\u514d\u672a\u6765\u51fa\u73b0\u5b89\u5168\u95ee\u9898\u3002<\/li>\n<\/ul>\n\n\n\n
      \n\n\n\n
      4. MySQLi vs PDO<\/strong><\/h3>\n\n\n\n
      \u5982\u679c\u4f60\u6b63\u5728\u8003\u8651\u4f7f\u7528 MySQLi<\/code> \u6216 PDO<\/code>\uff08PHP Data Objects\uff09\u6269\u5c55\uff0c\u5b83\u4eec\u90fd\u6709\u5404\u81ea\u7684\u4f18\u70b9\uff1a<\/p>\n\n\n\n
        \n
      • MySQLi<\/strong> \u662f\u4e13\u95e8\u4e3a MySQL \u6570\u636e\u5e93\u8bbe\u8ba1\u7684\uff0c\u5b83\u63d0\u4f9b\u4e86\u6bd4 PDO<\/code> \u66f4\u5f3a\u7684 MySQL \u7279\u6027\u652f\u6301\uff0c\u4f8b\u5982\u591a\u67e5\u8be2\u3001\u9884\u5904\u7406\u8bed\u53e5\u3001\u4e8b\u52a1\u7b49\u3002<\/li>\n\n\n\n
      • PDO<\/strong> \u662f\u4e00\u4e2a\u66f4\u901a\u7528\u7684\u6570\u636e\u5e93\u62bd\u8c61\u5c42\uff0c\u652f\u6301\u591a\u4e2a\u6570\u636e\u5e93\uff08\u5305\u62ec MySQL\u3001PostgreSQL\u3001SQLite \u7b49\uff09\u3002\u5982\u679c\u4f60\u5e0c\u671b\u4f60\u7684\u4ee3\u7801\u80fd\u591f\u5728\u4e0d\u540c\u7684\u6570\u636e\u5e93\u7cfb\u7edf\u95f4\u8fc1\u79fb\uff0cPDO<\/code> \u4f1a\u662f\u66f4\u597d\u7684\u9009\u62e9\u3002<\/li>\n<\/ul>\n\n\n\n
        \n\n\n\n
        5. \u603b\u7ed3\uff1a\u4f55\u65f6\u4f7f\u7528\u54ea\u4e2a<\/strong><\/h3>\n\n\n\n
          \n
        • \u4f7f\u7528 MySQLi<\/strong>\uff1a<\/li>\n\n\n\n
        • \u4f60\u4f7f\u7528\u7684\u662f MySQL \u6570\u636e\u5e93\u3002<\/li>\n\n\n\n
        • \u4f60\u9700\u8981\u4f7f\u7528\u9762\u5411\u5bf9\u8c61\u98ce\u683c\u3002<\/li>\n\n\n\n
        • \u4f60\u9700\u8981\u652f\u6301\u4e8b\u52a1\u3001\u9884\u5904\u7406\u8bed\u53e5\u3001\u591a\u91cd\u67e5\u8be2\u7b49\u7279\u6027\u3002<\/li>\n\n\n\n
        • \u4f60\u9700\u8981\u66f4\u9ad8\u7684\u6027\u80fd\u548c\u66f4\u597d\u7684\u5b89\u5168\u6027\u3002<\/li>\n\n\n\n
        • \u4f60\u5e0c\u671b\u4f7f\u7528\u6301\u4e45\u8fde\u63a5\u3002<\/li>\n\n\n\n
        • \u4f7f\u7528 MySQL<\/strong>\uff1a<\/li>\n\n\n\n
        • \u4f60\u6b63\u5728\u7ef4\u62a4\u4e00\u4e2a\u65e7\u7684 PHP \u9879\u76ee\uff0c\u4e14\u6ca1\u6709\u7acb\u5373\u91cd\u6784\u7684\u8ba1\u5212\u3002<\/li>\n\n\n\n
        • \u4f60\u4e0d\u5173\u5fc3 MySQL \u7684\u65b0\u7279\u6027\u6216\u5b89\u5168\u6027\uff08\u4e0d\u63a8\u8350\uff09\u3002<\/li>\n<\/ul>\n\n\n\n
          \u603b\u4e4b\uff0c\u63a8\u8350\u4f7f\u7528 MySQLi<\/strong> \u8fdb\u884c\u65b0\u7684\u5f00\u53d1\uff0c\u56e0\u4e3a\u5b83\u63d0\u4f9b\u4e86\u66f4\u73b0\u4ee3\u7684\u529f\u80fd\u548c\u66f4\u597d\u7684\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
          \u5728 MySQL \u6570\u636e\u5e93\u4e0e PHP \u7684\u4ea4\u4e92\u4e2d\uff0cMySQLi \u548c MySQL \u662f\u4e24\u4e2a\u4e0d\u540c\u7684 API\u3002\u867d\u7136\u5b83\u4eec\u90fd\u7528\u4e8e […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[],"class_list":["post-626","post","type-post","status-publish","format-standard","hentry","category-mysql"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/626","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=626"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/626\/revisions"}],"predecessor-version":[{"id":627,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/626\/revisions\/627"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=626"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=626"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=626"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}