在Ubuntu下,PHP與MySQL可以通過以下步驟協同工作:
sudo apt-get update
sudo apt-get install apache2
sudo apt-get install libapache2-mod-php7.2
sudo apt-get install mysql-server
/etc/mysql/mysql.conf.d/mysqld.cnf
,將 bind-address
改為 0.0.0.0
,然后重啟MySQL服務。sudo nano /etc/mysql/mysql.conf.d/mysqld.cnf
# 在文件中找到 bind-address 并修改為 0.0.0.0
sudo systemctl restart mysql
mysql -u root -p
GRANT ALL PRIVILEGES ON *.* TO 'your_username'@'%' IDENTIFIED BY 'your_password';
FLUSH PRIVILEGES;
exit;
config.php
的文件,用于存儲數據庫連接信息。<?php
$servername = "localhost";
$username = "your_username";
$password = "your_password";
$dbname = "your_database";
// 創建連接
$conn = new mysqli($servername, $username, $password, $dbname);
// 檢查連接
if ($conn->connect_error) {
die("連接失敗: " . $conn->connect_error);
}
echo "連接成功";
?>
<?php
include 'config.php';
// 準備 SQL 查詢語句
$sql = "SELECT id, name FROM your_table";
$result = $conn->query($sql);
// 處理查詢結果
if ($result->num_rows > 0) {
// 輸出每行數據
while($row = $result->fetch_assoc()) {
echo "id: " . $row["id"]. " - Name: " . $row["name"]. "<br>";
}
} else {
echo "0 結果";
}
$conn->close();
?>
以上步驟展示了如何在Ubuntu下安裝和配置PHP與MySQL,并通過PHP腳本連接到MySQL數據庫并執行查詢。請根據最新的Ubuntu版本和官方文檔調整命令和配置。