In today's digital era, websites have become one of the important channels for transmitting information and ideas. With the continuous improvement of user needs, traditional static websites can no longer meet the requirements of user experience, so interactive websites have begun to enter people's field of vision. This article will introduce how to use PHP and jQuery UI to develop an interactive website and provide a beautiful feeling.

1. Build environment

First, we need to set up a development environment. Install and start Apache, PHP and MySQL. This is a necessary step to build a PHP development environment. You can use software packages such as XAMPP and WAMP to complete this process conveniently. After successful installation, you can enter "localhost" in the browser to see the welcome page.

2. Design the database

Next, we need to design the database. This interactive website will have user registration, login, information publishing, information browsing and other functions, so it is necessary to establish a user table and an information table. You can use phpMyAdmin, a convenient tool for database design and management.

3. Writing PHP Code

PHP is a server-side scripting language that can be executed in the source code of a web page. Therefore, we can use PHP to complete user registration, login and other operations, and store the information in MySQL. PDO is used here to access the MySQL database.

The example lists the user login code, the user fills in the account number and password, and POST is submitted to the PHP background.

if(isset($_POST['login-submit'])) {
    $username = $_POST['username'];
    $password = $_POST['password'];

    $stmt = $pdo->prepare("SELECT * FROM users WHERE username = ?");
    $stmt->execute([$username]);
    $user = $stmt->fetch();

    if ($user && password_verify($password, $user['password'])) {
        $_SESSION['user_id'] = $user['id'];
        header("Location: index.php");
        exit();
    } else {
        echo "用戶名或密碼錯誤";
    }
}

4. Use jQuery UI to add interactive elements

jQuery UI is a jQuery-based plug-in library that includes many commonly used interactive components, such as date pickers and drop-downs. Lists, dialog boxes, etc. It helps us easily add more beautiful and interactive elements.

The example uses jQuery UI's date picker.

<link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
<script src="//code.jquery.com/ui/1.12.1/jquery-ui.js"></script>

<label for="date">選擇日期：</label>
<input type="text" id="datepicker">

<script>
$( "#datepicker" ).datepicker({
    dateFormat: "yy-mm-dd"
});
</script>

5. Increase CSS effects

In order to make the website look more beautiful, we need to use CSS to add style effects. You can use ready-made CSS frameworks such as Bootstrap, or you can design your own CSS style sheets. Here are just a few ideas for CSS style design.

First, make an overall plan for the website and determine basic elements such as theme colors and fonts. Then, design the layout and typesetting of the website, and determine the location and size of the main content and secondary content. Finally, details are designed on buttons, links, input boxes and other elements, and breathing light effects, transition effects, etc. are added to create a more dynamic and vivid interactive experience.

Summary:

This article introduces how to use PHP and jQuery UI to develop an interactive website and provide a beautiful experience. By establishing a database and writing PHP code, functions such as user registration, login and information release are realized. At the same time, jQuery UI is used to add interactive elements, increasing the interactivity and beauty of the website. Finally, CSS stylesheets were designed to create an aesthetic masterpiece.

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