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How to call methods in ThinkPHP5

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May 27, 2023 pm 01:07 PM

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1. Method calls in the controller

The controller is the place in the application that handles HTTP requests and sends responses to the browser. Controllers in ThinkPHP5 are mainly located in the app directory. The naming rule for controllers is camel case, for example: UserController.php. In the controller, we can define multiple methods to respond to different requests. CamelCase should be used for method names, such as indexAction().

To call the method in the controller, you need to access it through the URL. The domain name and port number in the URL are followed by the name of the controller, for example: http://example.com/UserController. To access methods in the controller, you need to add the method name after the URL, for example: http://example.com/UserController/index.

We can use built-in functions in controller methods to obtain HTTP request parameters, access databases, output templates, etc. For example, the following code demonstrates how to obtain parameters in an HTTP request:

public function index()
{
    $name = $this->request->param(&#39;name&#39;);
    $age = $this->request->param(&#39;age&#39;);
    echo "姓名：".$name."<br>年龄：".$age;
}

2. Method calls in the model

The model is responsible for managing data in the application place. The model in ThinkPHP5 is located in the model directory under the app directory. The naming rule for the model is camel case, for example: UserModel.php.

In the model, we can define multiple methods to manage data. Method names should use camelCase, for example: getUserInfo().

Instantiate the model in the controller to call methods in the model. For example, the following code demonstrates how to call methods in the model in the controller:

public function index()
{
    $userModel = new \app\model\UserModel();
    $userInfo = $userModel->getUserInfo(1);
    echo "姓名：".$userInfo[&#39;name&#39;]."<br>年龄：".$userInfo[&#39;age&#39;];
}

3. Method calls in the view

The view is responsible for the application A place to display data. Views in ThinkPHP5 are located in the view directory under the app directory. The naming rule for views is camel case naming, with .tpl as the suffix, for example: userList.tpl.

In the view, we can use built-in functions or custom functions to display data. The following code example shows how to call the built-in function echo to output data in the view:

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>用户列表</title>
</head>
<body>
    <table>
        <tr>
            <th>编号</th>
            <th>姓名</th>
            <th>年龄</th>
        </tr>
        <?php foreach($userList as $user) { ?>
        <tr>
            <td><?php echo $user[&#39;id&#39;]; ?></td>
            <td><?php echo $user[&#39;name&#39;]; ?></td>
            <td><?php echo $user[&#39;age&#39;]; ?></td>
        </tr>
        <?php } ?>
    </table>
</body>
</html>

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