php读取mysql数据库入门实例 完整代码: $hostname = "localhost:3306"; $username = "root"; $password = "root"; $dbname = "test"; $conn = mysqli_connect($hostname, $username, $password, $dbname); $conn->query("SET NAMES 'gbk'"); // 检测数据连接 if (mysqli_connect_errno()){ echo "Failed to connect to MySQL: " . mysqli_connect_error(); } $sql = "select * from keyword"; $result = mysqli_query($conn, $sql); //输出mysql数据查询结果 while($row = mysqli_fetch_array($result)){ echo $row['keycId'] . " : " .$row['keycontent'] . " : " . $row['keycause']; echo ""; } // 关闭连接 mysqli_close($conn); ?> 复制代码