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Let's talk about the method of calling controller files in thinkphp5 template

PHPz

Apr 11, 2023 am 09:15 AM

ThinkPHP is a very popular PHP framework, which is very convenient and simple to use. In ThinkPHP 5, we can use template files to call methods of controller files. This method is very flexible and can bring a lot of convenience to our development work. This article will introduce in detail how to use template files to call controller files in ThinkPHP 5.

1. Controller in ThinkPHP 5

In ThinkPHP 5, the controller is a very important component. The main function of the controller is to receive requests and give corresponding responses. We can implement different business logic by defining methods in the controller. Here is a simple example:

namespace app\index\controller;
 
class Index
{
    public function index()
    {
        return 'Hello, World!';
    }
}

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In the above code, we define a controller named Index and a method named index in it. The return value of this method is the string "Hello, World!". In actual development, we will more complexly define different methods to handle different requests.

2. The template engine in ThinkPHP 5

The template engine in ThinkPHP 5 uses native PHP syntax and also supports many expansions of control statements and variable output. When using a template engine, we generally store template files in the view folder. The following is a simple view file example:

<!DOCTYPE html>
<html>
<head>
    <title>调用控制器方法</title>
</head>
<body>
    <div class="container">
        <h1><?php echo $title; ?></h1>
        <p><?php echo $content; ?></p>
    </div>
</body>
</html>

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In the above code, we define a view file named to call the controller method. The view file contains a title variable $title and a content variable $ content. Such view files are very suitable for dynamically generated pages.

3. Calling controller methods in ThinkPHP 5

In ThinkPHP 5, we can use template files to call methods of controller files. In the view file, we can call the controller's method in the following way:

1	`<?php` `echo` `url('控制器名/方法名'); ?>`

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For example, we can use the following code in the view file to call the index method of the Index controller defined above:

1	`<a href="<?php echo url('index/index'); ?>">跳转到index页面</a>`

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When we access the view file in the browser, clicking the link will jump to the page pointed to by the index method of the Index controller.

For methods with multiple parameters, we can use the second parameter to pass in the url() function:

1	`<a href="<?php echo url('index/test', ['id' => 1, 'name' => 'test']); ?>">传递参数到test方法</a>`

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In the above code, we pass the second parameter in the url() function: Among the two parameters, a parameter list with id equal to 1 and name equal to test is passed to the test method of the Index controller.

Conclusion

In this article, we introduced how to use template files to call controller files in ThinkPHP 5. This method is very flexible and can bring a lot of convenience to our development work. In actual development, we can flexibly use this method according to specific circumstances, and combine controllers and template engines to achieve more complex business logic and view effects.

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