php读取mysql数据库入门实例

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);
?>