How to set CSS and JavaScript variables in thinkphp

1. Set CSS variables

1.1 Define variables in the controller

First, define CSS variables in the controller. CSS variables can be assigned to template files by using the $this->assign() function. For example:

$this->assign('bg_color', '#ffffff'); // 将 #ffffff 赋值给 $bg_color

1.2 Using variables in template files

Next, we need to use variables in template files. This can be achieved by using the { $var_name } statement. In this case, we can use the $bg_color background color variable in the CSS file as follows:

body {
    background-color: { $bg_color };
}

1.3 Output the CSS

in the view file Finally, We need to output the CSS in the view file. This can be achieved by using the { volist } statement. In this example, we can output the CSS file in the following way:

<link rel="stylesheet" type="text/css" href="{: url(&#39;home/css&#39;) }">

2. Set JavaScript variables

2.1 Define variables in the controller

First, define JavaScript variables in the controller. JavaScript variables can be assigned to template files by using the $this->assign() function. For example:

$this->assign('user_id', 1001); // 将 1001 赋值给 $user_id

2.2 Using variables in template files

Next, we need to use variables in template files. This can be achieved by using the { $var_name } statement. In this case, we can use the $user_id user ID variable in the JavaScript file as follows:

var userId = { $user_id };

2.3 Output JavaScript

Finally, We need to output JavaScript in the view file. This can be achieved by using the { volist } statement. In this case, we can output the JavaScript file via:

<script type="text/javascript" src="{: url(&#39;home/js&#39;) }"></script>

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