1、新建目录:\backend\views\themes\default,指定包含主题资源(CSS, JS, images, 等等)的基准目录,如图1

2、复制目录:\backend\views\ 下的所有文件(除去themes),如图2

3、粘贴至目录:\backend\views\themes\default\ 下,已经复制成功,如图3

4、配置 view 应用组件的 [[yii\base\View::theme|theme]] 属性,如图4
'components' => [
'view' => [
'theme' => [
'basePath' => '@app/views/themes/default',
'baseUrl' => '@web/views/themes/default',
'pathMap' => [
'@app/views' => '@app/views/themes/default',
],
],
],
],
![配置 view 应用组件的 [[yii\base\View::theme|theme]] 属性](https://media.shuijingwanwq.com/2017/11/4-2.png)
5、配置 Gii 模板文件,其主题为:default,如图5
if (YII_ENV_DEV) {
$config['modules']['gii'] = [
'class' => yii\gii\Module::class,
'generators' => [
'crud' => [
'class' => yii\gii\generators\crud\Generator::class,
'templates' => [
'yii2-starter-kit' => Yii::getAlias('@backend/views/themes/default/_gii/templates')
],
'template' => 'yii2-starter-kit',
'messageCategory' => 'backend'
]
]
];
}

6、主题化模块,如:i18n ,新建目录:\backend\modules\i18n\views\themes\default,如图6

7、复制目录:\backend\modules\i18n\views\ 下的所有文件(除去themes),如图7

8、粘贴至目录:\backend\modules\i18n\views\themes\default\ 下,已经复制成功,如图8

9、配置 view 应用组件的 [[yii\base\View::theme|theme]] 属性,如图9
'view' => [
'theme' => [
'basePath' => '@app/views/themes/default',
'baseUrl' => '@web/views/themes/default',
'pathMap' => [
'@app/views' => '@app/views/themes/default',
'@app/modules/i18n/views' => '@app/modules/i18n/views/themes/default',
],
],
],
![配置 view 应用组件的 [[yii\base\View::theme|theme]] 属性](https://media.shuijingwanwq.com/2017/11/9.png)
10、通过 [[yii\base\View::theme]] 属性访问 [[yii\base\Theme]] 对象。编辑:\backend\views\themes\default\sign-in\login.php,如图10
$theme = $this->theme;
print_r($theme);
exit;
![通过 [[yii\base\View::theme]] 属性访问 [[yii\base\Theme]] 对象。编辑:\backend\views\themes\default\sign-in\login.php](https://media.shuijingwanwq.com/2017/11/10.png)
11、打印出的对象,如图11
yii\base\Theme Object
(
[pathMap] => Array
(
[@app/views] => @app/views/themes/default
[@app/modules/i18n/views] => @app/modules/i18n/views/themes/default
)
[_baseUrl:yii\base\Theme:private] => /views/themes/default
[_basePath:yii\base\Theme:private] => E:\wwwroot\cmcp\backend/views/themes/default
[_events:yii\base\Component:private] => Array
(
)
[_behaviors:yii\base\Component:private] =>
)

12、在 .env 中设置主题名称:default,如图12
# Themes
# ----
BACKEND_THEME = default

13、设置主题相关别名,编辑:\backend\config\bootstrap.php,定义别名,如图13
/**
* Setting theme aliases
*/
Yii::setAlias('@themePath', '@backend/web/themes/' . env('BACKEND_THEME'));
Yii::setAlias('@themeUrl', '@backendUrl/themes/' . env('BACKEND_THEME'));

14、第5步骤的设置,调整,如图14
if (YII_ENV_DEV) {
$config['modules']['gii'] = [
'class' => yii\gii\Module::class,
'generators' => [
'crud' => [
'class' => yii\gii\generators\crud\Generator::class,
'templates' => [
'yii2-starter-kit' => Yii::getAlias('@backend/views/themes/' . env('BACKEND_THEME') . '/_gii/templates')
],
'template' => 'yii2-starter-kit',
'messageCategory' => 'backend'
]
]
];
}

15、第9步骤的设置,调整,如图15
'view' => [
'theme' => [
'basePath' => '@app/views/themes/' . env('BACKEND_THEME'),
'baseUrl' => '@web/views/themes/' . env('BACKEND_THEME'),
'pathMap' => [
'@app/views' => '@app/views/themes/' . env('BACKEND_THEME'),
'@app/modules/i18n/views' => '@app/modules/i18n/views/themes/' . env('BACKEND_THEME'),
],
],
],

16、新建目录:\backend\web\themes\default,指定包含主题资源(CSS, JS, images, 等等)的基准目录,如图16

17、复制目录:\backend\web\ 下的目录(css、img、js),如图17

18、粘贴至目录:\backend\web\themes\default\ 下,已经复制成功,如图18

19、基于主题重新定义资源包,编辑:\backend\assets\BackendAsset.php,如图19
public $basePath = '@themePath';
public $baseUrl = '@themeUrl';

20、查看登录页面的源代码,最大的变化在于包含的CSS/JS文件,其路径为绝对路径,如图20

PHP / Laravel / Yii2 老项目维护与长期技术支持
如果你的 PHP / Laravel / Yii2 项目已经上线,但遇到原开发离职、Bug 长期无人修复、接口不稳定、性能下降、代码难以接手等问题,可以联系我做一次远程技术排查。
适合以下情况:
✅ 老旧 PHP 系统无人维护
✅ Laravel / Yii2 项目 Bug 修复
✅ 后台管理系统小功能迭代
✅ RESTful API 接口排查
✅ MySQL / Redis / Nginx 性能问题
✅ 长期远程兼职维护
可先从一次小问题开始:
✅ 线上报错排查
✅ 接口异常分析
✅ 慢查询与性能瓶颈定位
✅ 代码结构初步评估
✅ 部署环境与日志检查
如需咨询,请联系我,并注明:PHP 维护咨询。
联系方式:
Telegram:@shuijingwan
微信:13980074657
邮箱:shuijingwanwq@gmail.com

发表回复