如何用PHP写内容分发平台 PHP内容管理与发布流程

CREATE TABLE articles (
    id INT AUTO_INCREMENT PRIMARY KEY,
    title VARCHAR(255) NOT NULL,
    content TEXT NOT NULL,
    author VARCHAR(255) NOT NULL,
    publish_date DATETIME,
    category VARCHAR(255)
);

<form method="post" action="create_article.php">
    <label for="title">标题:</label><br>
    <input type="text" id="title" name="title"><br><br>
    <label for="content">内容:</label><br>
    <textarea id="content" name="content"></textarea><br><br>
    <label for="author">作者:</label><br>
    <input type="text" id="author" name="author"><br><br>
    <label for="category">分类:</label><br>
    <input type="text" id="category" name="category"><br><br>
    <input type="submit" value="提交">
</form>

<?php
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "database_name";

// 创建连接
$conn = new mysqli($servername, $username, $password, $dbname);

// 检查连接
if ($conn->connect_error) {
    die("连接失败: " . $conn->connect_error);
}

$title = $_POST["title"];
$content = $_POST["content"];
$author = $_POST["author"];
$category = $_POST["category"];
$publish_date = date("Y-m-d H:i:s");

$sql = "INSERT INTO articles (title, content, author, publish_date, category)
VALUES ('$title', '$content', '$author', '$publish_date', '$category')";

if ($conn->query($sql) === TRUE) {
    echo "新记录插入成功";
} else {
    echo "Error: " . $sql . "<br>" . $conn->error;
}

$conn->close();
?>

CREATE TABLE tags (
    id INT AUTO_INCREMENT PRIMARY KEY,
    name VARCHAR(255) NOT NULL
);

CREATE TABLE article_tags (
    article_id INT,
    tag_id INT,
    PRIMARY KEY (article_id, tag_id),
    FOREIGN KEY (article_id) REFERENCES articles(id),
    FOREIGN KEY (tag_id) REFERENCES tags(id)
);

CREATE TABLE users (
    id INT AUTO_INCREMENT PRIMARY KEY,
    username VARCHAR(255) NOT NULL UNIQUE,
    password VARCHAR(255) NOT NULL,
    email VARCHAR(255) NOT NULL,
    role_id INT,
    FOREIGN KEY (role_id) REFERENCES roles(id)
);

CREATE TABLE roles (
    id INT AUTO_INCREMENT PRIMARY KEY,
    name VARCHAR(255) NOT NULL
);