{"id":3096,"date":"2025-03-22T00:06:24","date_gmt":"2025-03-21T16:06:24","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=3096"},"modified":"2025-03-22T00:06:24","modified_gmt":"2025-03-21T16:06:24","slug":"php-mysql-%e6%8f%92%e5%85%a5%e6%95%b0%e6%8d%ae%ef%bc%88insert-into%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/03\/22\/php-mysql-%e6%8f%92%e5%85%a5%e6%95%b0%e6%8d%ae%ef%bc%88insert-into%ef%bc%89\/","title":{"rendered":"PHP MySQL \u63d2\u5165\u6570\u636e\uff08INSERT INTO\uff09"},"content":{"rendered":"\n

\u5728 PHP \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 MySQLi<\/strong> \u6216 PDO<\/strong> \u8fde\u63a5 MySQL \u5e76\u5411\u8868\u4e2d\u63d2\u5165\u6570\u636e\u3002\u672c\u6559\u7a0b\u5c06\u5168\u9762\u89e3\u6790 \u63d2\u5165\u6570\u636e\u7684\u4e0d\u540c\u65b9\u5f0f\u3001\u9519\u8bef\u5904\u7406\u3001\u6279\u91cf\u63d2\u5165\u3001\u9884\u5904\u7406\u8bed\u53e5\uff08\u9632\u6b62 SQL \u6ce8\u5165\uff09<\/strong>\uff0c\u5e76\u63d0\u4f9b \u6700\u4f73\u5b9e\u8df5<\/strong>\u3002<\/p>\n\n\n\n

\n\n\n\n

1. \u4f7f\u7528 MySQLi \u63d2\u5165\u6570\u636e<\/strong><\/h2>\n\n\n\n

1.1 \u8fc7\u7a0b\u5316\u98ce\u683c\uff08MySQLi Procedural\uff09<\/strong><\/h3>\n\n\n\n
<?php\n$servername = \"localhost\";\n$username = \"root\";\n$password = \"\";\n$dbname = \"my_database\"; \n\n\/\/ \u8fde\u63a5 MySQL\n$conn = mysqli_connect($servername, $username, $password, $dbname);\n\n\/\/ \u68c0\u6d4b\u8fde\u63a5\nif (!$conn) {\n    die(\"\u8fde\u63a5\u5931\u8d25: \" . mysqli_connect_error());\n}\n\n\/\/ \u63d2\u5165\u6570\u636e SQL\n$sql = \"INSERT INTO users (username, email, password) \n        VALUES ('user1', 'user1@example.com', 'password123')\";\n\nif (mysqli_query($conn, $sql)) {\n    echo \"\u65b0\u8bb0\u5f55\u63d2\u5165\u6210\u529f\uff0cID: \" . mysqli_insert_id($conn);\n} else {\n    echo \"\u9519\u8bef: \" . mysqli_error($conn);\n}\n\n\/\/ \u5173\u95ed\u8fde\u63a5\nmysqli_close($conn);\n?><\/code><\/pre>\n\n\n\n
\ud83d\udccc \u89e3\u6790<\/strong>\uff1a<\/p>\n\n\n\n
    \n
  • INSERT INTO users (...) VALUES (...)<\/code> \u5411 users<\/code> \u8868\u63d2\u5165\u6570\u636e\u3002<\/li>\n\n\n\n
  • mysqli_insert_id($conn)<\/code> \u83b7\u53d6\u521a\u63d2\u5165\u6570\u636e\u7684 id<\/code>\uff08\u9002\u7528\u4e8e AUTO_INCREMENT<\/code>\uff09\u3002<\/li>\n\n\n\n
  • mysqli_error($conn)<\/code> \u83b7\u53d6\u9519\u8bef\u4fe1\u606f\uff08\u5982\u679c SQL \u6267\u884c\u5931\u8d25\uff09\u3002<\/li>\n<\/ul>\n\n\n\n
    \n\n\n\n
    1.2 \u9762\u5411\u5bf9\u8c61\u98ce\u683c\uff08MySQLi OOP\uff09<\/strong><\/h3>\n\n\n\n
    <?php\n$servername = \"localhost\";\n$username = \"root\";\n$password = \"\";\n$dbname = \"my_database\";\n\n\/\/ \u521b\u5efa\u8fde\u63a5\n$conn = new mysqli($servername, $username, $password, $dbname);\n\n\/\/ \u68c0\u6d4b\u8fde\u63a5\nif ($conn->connect_error) {\n    die(\"\u8fde\u63a5\u5931\u8d25: \" . $conn->connect_error);\n}\n\n\/\/ \u63d2\u5165\u6570\u636e SQL\n$sql = \"INSERT INTO users (username, email, password) \n        VALUES ('user2', 'user2@example.com', 'securepass')\";\n\nif ($conn->query($sql) === TRUE) {\n    echo \"\u65b0\u8bb0\u5f55\u63d2\u5165\u6210\u529f\uff0cID: \" . $conn->insert_id;\n} else {\n    echo \"\u9519\u8bef: \" . $conn->error;\n}\n\n\/\/ \u5173\u95ed\u8fde\u63a5\n$conn->close();\n?><\/code><\/pre>\n\n\n\n
    \ud83d\udccc \u9762\u5411\u5bf9\u8c61\u98ce\u683c\u7684\u533a\u522b<\/strong>\uff1a<\/p>\n\n\n\n
      \n
    • new mysqli()<\/code> \u8fde\u63a5\u6570\u636e\u5e93\u3002<\/li>\n\n\n\n
    • $conn->query($sql)<\/code> \u6267\u884c SQL \u8bed\u53e5\u3002<\/li>\n\n\n\n
    • $conn->insert_id<\/code> \u83b7\u53d6\u63d2\u5165\u6570\u636e\u7684 id<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n
      \n\n\n\n
      2. \u4f7f\u7528 PDO \u63d2\u5165\u6570\u636e\uff08\u63a8\u8350\uff09<\/strong><\/h2>\n\n\n\n
      <?php\n$servername = \"localhost\";\n$username = \"root\";\n$password = \"\";\n$dbname = \"my_database\";\n\ntry {\n    \/\/ \u8fde\u63a5 MySQL\n    $pdo = new PDO(\"mysql:host=$servername;dbname=$dbname\", $username, $password);\n    $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);\n\n    \/\/ \u63d2\u5165\u6570\u636e SQL\n    $sql = \"INSERT INTO users (username, email, password) \n            VALUES ('user3', 'user3@example.com', 'mypassword')\";\n\n    $pdo->exec($sql);\n    echo \"\u65b0\u8bb0\u5f55\u63d2\u5165\u6210\u529f\uff0cID: \" . $pdo->lastInsertId();\n} catch (PDOException $e) {\n    echo \"\u9519\u8bef: \" . $e->getMessage();\n}\n\n\/\/ \u5173\u95ed\u8fde\u63a5\n$pdo = null;\n?><\/code><\/pre>\n\n\n\n
      \ud83d\udccc PDO \u65b9\u5f0f\u7684\u4f18\u52bf<\/strong>\uff1a<\/p>\n\n\n\n
        \n
      • \u652f\u6301\u591a\u79cd\u6570\u636e\u5e93<\/strong>\uff08MySQL\u3001PostgreSQL\u3001SQLite\uff09\u3002<\/li>\n\n\n\n
      • \u9ed8\u8ba4\u5f00\u542f \u5f02\u5e38\u5904\u7406<\/strong> (PDO::ERRMODE_EXCEPTION<\/code>)\uff0c\u66f4\u6613\u8c03\u8bd5\u3002<\/li>\n\n\n\n
      • \u66f4\u5b89\u5168<\/strong>\uff0c\u9002\u7528\u4e8e\u751f\u4ea7\u73af\u5883\u3002<\/li>\n<\/ul>\n\n\n\n
        \n\n\n\n
        3. \u9884\u5904\u7406\u8bed\u53e5\uff08\u9632\u6b62 SQL \u6ce8\u5165\uff0c\u63a8\u8350\uff09<\/strong><\/h2>\n\n\n\n
        \u907f\u514d SQL \u6ce8\u5165\u653b\u51fb<\/strong>\uff0c\u5efa\u8bae\u4f7f\u7528 prepare()<\/code> + bind_param()<\/code>\uff08MySQLi\uff09\u6216 prepare()<\/code> + bindValue()<\/code>\uff08PDO\uff09<\/strong>\u3002<\/p>\n\n\n\n
        3.1 MySQLi \u9884\u5904\u7406\uff08\u8fc7\u7a0b\u5316\uff09<\/strong><\/h3>\n\n\n\n
        <?php\n$conn = mysqli_connect(\"localhost\", \"root\", \"\", \"my_database\");\n\n\/\/ \u68c0\u6d4b\u8fde\u63a5\nif (!$conn) {\n    die(\"\u8fde\u63a5\u5931\u8d25: \" . mysqli_connect_error());\n}\n\n\/\/ \u9884\u5904\u7406 SQL\n$stmt = mysqli_prepare($conn, \"INSERT INTO users (username, email, password) VALUES (?, ?, ?)\");\n\n\/\/ \u7ed1\u5b9a\u53c2\u6570\uff08\"sss\" \u8868\u793a 3 \u4e2a\u5b57\u7b26\u4e32\uff09\nmysqli_stmt_bind_param($stmt, \"sss\", $username, $email, $password);\n\n\/\/ \u8bbe\u7f6e\u53d8\u91cf\u5e76\u6267\u884c\n$username = \"user4\";\n$email = \"user4@example.com\";\n$password = \"securepassword\";\nmysqli_stmt_execute($stmt);\n\necho \"\u65b0\u8bb0\u5f55\u63d2\u5165\u6210\u529f\uff0cID: \" . mysqli_insert_id($conn);\n\n\/\/ \u5173\u95ed\nmysqli_stmt_close($stmt);\nmysqli_close($conn);\n?><\/code><\/pre>\n\n\n\n
        \n\n\n\n
        3.2 PDO \u9884\u5904\u7406\uff08\u63a8\u8350\uff09<\/strong><\/h3>\n\n\n\n
        <?php\n$pdo = new PDO(\"mysql:host=localhost;dbname=my_database\", \"root\", \"\");\n\n\/\/ \u9884\u5904\u7406 SQL\n$stmt = $pdo->prepare(\"INSERT INTO users (username, email, password) VALUES (:username, :email, :password)\");\n\n\/\/ \u7ed1\u5b9a\u53c2\u6570\n$stmt->bindParam(':username', $username);\n$stmt->bindParam(':email', $email);\n$stmt->bindParam(':password', $password);\n\n\/\/ \u8bbe\u7f6e\u53d8\u91cf\u5e76\u6267\u884c\n$username = \"user5\";\n$email = \"user5@example.com\";\n$password = \"mypassword\";\n$stmt->execute();\n\necho \"\u65b0\u8bb0\u5f55\u63d2\u5165\u6210\u529f\uff0cID: \" . $pdo->lastInsertId();\n\n\/\/ \u5173\u95ed\n$pdo = null;\n?><\/code><\/pre>\n\n\n\n
        \ud83d\udccc \u4e3a\u4ec0\u4e48\u63a8\u8350 PDO \u9884\u5904\u7406\uff1f<\/strong><\/p>\n\n\n\n
          \n
        • \u66f4\u5b89\u5168<\/strong>\uff1a\u81ea\u52a8\u9632 SQL \u6ce8\u5165\uff0c\u65e0\u9700\u624b\u52a8\u8f6c\u4e49\u5b57\u7b26\u4e32\u3002<\/li>\n\n\n\n
        • \u66f4\u7075\u6d3b<\/strong>\uff1a\u652f\u6301 \u547d\u540d\u53c2\u6570<\/strong>\uff08:username<\/code>\u3001:email<\/code>\uff09\u3002<\/li>\n\n\n\n
        • \u66f4\u9ad8\u6548<\/strong>\uff1a\u67e5\u8be2 \u9884\u7f16\u8bd1<\/strong>\uff0c\u6267\u884c\u66f4\u5feb\u3002<\/li>\n<\/ul>\n\n\n\n
          \n\n\n\n
          4. \u6279\u91cf\u63d2\u5165\u6570\u636e<\/strong><\/h2>\n\n\n\n
          <?php\n$pdo = new PDO(\"mysql:host=localhost;dbname=my_database\", \"root\", \"\");\n\n$stmt = $pdo->prepare(\"INSERT INTO users (username, email, password) VALUES (?, ?, ?)\");\n\n$data = [\n    ['user6', 'user6@example.com', 'pass6'],\n    ['user7', 'user7@example.com', 'pass7'],\n    ['user8', 'user8@example.com', 'pass8']\n];\n\nforeach ($data as $row) {\n    $stmt->execute($row);\n}\n\necho \"\u6279\u91cf\u63d2\u5165\u6210\u529f\uff01\";\n?><\/code><\/pre>\n\n\n\n
          \ud83d\udccc \u6279\u91cf\u63d2\u5165\u4f18\u52bf<\/strong>\uff1a<\/p>\n\n\n\n
            \n
          • \u907f\u514d\u591a\u6b21\u67e5\u8be2<\/strong>\uff0c\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n\n\n\n
          • \u66f4\u5b89\u5168<\/strong>\uff0c\u81ea\u52a8\u5904\u7406\u7279\u6b8a\u5b57\u7b26\u3002<\/li>\n<\/ul>\n\n\n\n
            \n\n\n\n
            5. \u53ef\u80fd\u9047\u5230\u7684\u9519\u8bef\u53ca\u89e3\u51b3\u65b9\u6848<\/strong><\/h2>\n\n\n\n
            5.1 “Duplicate entry for key ‘PRIMARY'”<\/strong><\/h3>\n\n\n\n
            \u539f\u56e0<\/strong>\uff1aid<\/code> \u4e3b\u952e\u91cd\u590d\u3002<\/p>\n\n\n\n
            \u89e3\u51b3\u65b9\u6848<\/strong>\uff1a<\/p>\n\n\n\n
              \n
            • \u786e\u4fdd id<\/code> \u8bbe\u7f6e\u4e3a AUTO_INCREMENT<\/strong>\uff1a<\/li>\n<\/ul>\n\n\n\n
                ALTER TABLE users MODIFY id INT AUTO_INCREMENT;<\/code><\/pre>\n\n\n\n
              \n\n\n\n
              5.2 “Field ’email’ doesn’t have a default value”<\/strong><\/h3>\n\n\n\n
              \u539f\u56e0<\/strong>\uff1a\u672a\u63d0\u4f9b NOT NULL<\/code> \u5b57\u6bb5\u7684\u503c\u3002<\/p>\n\n\n\n
              \u89e3\u51b3\u65b9\u6848<\/strong>\uff1a<\/p>\n\n\n\n
                \n
              • \u786e\u4fdd\u63d2\u5165\u6240\u6709 NOT NULL<\/code> \u5b57\u6bb5\uff1a<\/li>\n<\/ul>\n\n\n\n
                  INSERT INTO users (username, email, password) VALUES ('user', 'user@example.com', 'pass');<\/code><\/pre>\n\n\n\n
                  \n
                • \u6216\u8005\u79fb\u9664 NOT NULL<\/code> \u9650\u5236\uff1a<\/li>\n<\/ul>\n\n\n\n
                    ALTER TABLE users MODIFY email VARCHAR(100) NULL;<\/code><\/pre>\n\n\n\n
                  \n\n\n\n
                  6. \u603b\u7ed3<\/strong><\/h2>\n\n\n\n
                  \u65b9\u5f0f<\/th>\u4ee3\u7801<\/th>\u662f\u5426\u63a8\u8350<\/th><\/tr><\/thead>
                  MySQLi \u8fc7\u7a0b\u5316<\/td>mysqli_query($conn, $sql);<\/code><\/td>\u274c<\/td><\/tr>
                  MySQLi \u9762\u5411\u5bf9\u8c61<\/td>$conn->query($sql);<\/code><\/td>\u274c<\/td><\/tr>
                  PDO \u76f4\u63a5\u6267\u884c<\/td>$pdo->exec($sql);<\/code><\/td>\u274c<\/td><\/tr>
                  MySQLi \u9884\u5904\u7406<\/td>$stmt = mysqli_prepare($conn, $sql);<\/code><\/td>\u2705<\/td><\/tr>
                  PDO \u9884\u5904\u7406<\/td>$stmt = $pdo->prepare($sql);<\/code><\/td>\u2705<\/td><\/tr>
                  \u6279\u91cf\u63d2\u5165<\/td>$stmt->execute($row);<\/code><\/td>\u2705<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
                  \u66f4\u591a\u8be6\u7ec6\u5185\u5bb9\u8bf7\u5173\u6ce8\u5176\u4ed6\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
                  \u5728 PHP \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 MySQLi \u6216 PDO \u8fde\u63a5 MySQL \u5e76\u5411\u8868\u4e2d\u63d2\u5165\u6570\u636e\u3002\u672c\u6559\u7a0b\u5c06\u5168\u9762\u89e3\u6790  […]<\/p>\n","protected":false},"author":1,"featured_media":3097,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[80],"tags":[],"class_list":["post-3096","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3096","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=3096"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3096\/revisions"}],"predecessor-version":[{"id":3098,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3096\/revisions\/3098"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media\/3097"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=3096"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=3096"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=3096"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}