时间:2021-07-01 10:21:17 帮助过:25人阅读
pdo:
<?php $dsn = 'mysql:dbname=test;host=127.0.0.1'; $user = 'root'; $password = ''; try { $pdo = new PDO($dsn, $user, $password); } catch (PDOException $e) { die("数据库连接失败".$e->getMessage()); } $table = 'cy_news'; //判断表是否存在 $result = $pdo->query("SHOW TABLES LIKE '". $table."'"); $row = $result->fetchAll(); if('1' == count($row)){ echo "Table exists"; } else { echo "Table does not exist"; } ?>
mysql:
<?php $con = mysql_connect("localhost","root",""); mysql_select_db("php_cms", $con); $table = 'cy_news'; if(mysql_num_rows(mysql_query("SHOW TABLES LIKE '". $table."'"))==1) { echo "Table exists"; } else { echo "Table does not exist"; } ?>
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