<?php
// 示例代码：创建数据库连接
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "university_system";
// 创建连接
$conn = new mysqli($servername, $username, $password, $dbname);
// 检测连接
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
// 示例代码：插入数据到教师表
$sql = "INSERT INTO teachers (name, department, position)
VALUES ('张三', '计算机科学', '教授')";
if ($conn->query($sql) === TRUE) {
echo "新记录插入成功";
} else {
echo "Error: " . $sql . "<br>" . $conn->error;
}
// 示例代码：查询教师信息
$sql = "SELECT id, name, department, position FROM teachers";
$result = $conn->query($sql);
if ($result->num_rows > 0) {
// 输出数据
while($row = $result->fetch_assoc()) {
echo "id: " . $row["id"]. " - Name: " . $row["name"]. " - Department: " . $row["department"]. " - Position: " . $row["position"]. "<br>";
}
} else {
echo "0 结果";
}
$conn->close();
?>