<?php

// 定义数据库连接信息

$servername = "localhost";

$username = "root";

$password = "password";

$dbname = "guizhou_research";

// 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);

}

// 创建科研项目表

$sql_project = "CREATE TABLE projects (

id INT(6) UNSIGNED AUTO_INCREMENT PRIMARY KEY,

project_name VARCHAR(30) NOT NULL,

start_date DATE,

end_date DATE,

status ENUM('未开始','进行中','已完成') NOT NULL

)";

// 执行SQL语句

if ($conn->query($sql_project) === TRUE) {

echo "Table projects created successfully";

} else {

echo "Error creating table: " . $conn->error;

}

// 创建研究人员表

$sql_researcher = "CREATE TABLE researchers (

id INT(6) UNSIGNED AUTO_INCREMENT PRIMARY KEY,

name VARCHAR(30) NOT NULL,

department VARCHAR(50),

email VARCHAR(50)

)";

// 执行SQL语句

if ($conn->query($sql_researcher) === TRUE) {

echo "Table researchers created successfully";

} else {

echo "Error creating table: " . $conn->error;

}

// 关闭连接

$conn->close();

?>