<?php
// 连接数据库
$servername = "localhost";
$username = "root";
$password = "password";
$dbname = "university";
// 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);
}
// 学生表创建
$sql = "CREATE TABLE Students (
id INT(6) UNSIGNED AUTO_INCREMENT PRIMARY KEY,
name VARCHAR(30) NOT NULL,
gender ENUM('M','F') NOT NULL,
major VARCHAR(50),
gpa DECIMAL(3,2)
)";
if ($conn->query($sql) === TRUE) {
echo "Table Students created successfully";
} else {
echo "Error creating table: " . $conn->error;
}
// 添加学生信息
$sql = "INSERT INTO Students (name, gender, major, gpa)
VALUES ('张三', 'M', '计算机科学', 3.8)";
if ($conn->query($sql) === TRUE) {
echo "New record created successfully";
} else {
echo "Error: " . $sql . "<br>" . $conn->error;
}
$conn->close();
?>
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