Yii2中使用asset压缩js,css文件的方法

<?php
/
 Configuration file for the "yii asset" console mand.
/
// In the console environment, some path aliases may not exist. Please define these:
Yii::setAlias('@webroot', __DIR__ . '/web');
Yii::setAlias('@web', '/');
return [
// Adjust mand/callback for JavaScript files pressing:
// 'jsCompressor' => 'java -jar piler.jar --js {from} --js_output_file {to}',
'jsCompressor' => 'java -jar yuipressor.jar --type js {from} -o {to}',
// Adjust mand/callback for CSS files pressing:
'cssCompressor' => 'java -jar yuipressor.jar --type css {from} -o {to}',
// The list of asset bundles to press:
'bundles' => [
'app\assets\AppAsset',
'yii\web\YiiAsset',
'yii\web\JqueryAsset',
],
// Asset bundle for pression output:
'targets' => [
'all' => [
'class' => 'yii\web\AssetBundle',
'basePath' => '@webroot/assets',
'baseUrl' => '@web/assets',
'js' => 'js/all-{hash}.js',
'css' => 'css/all-{hash}.css',
],
],
// Asset manager configuration:
'assetManager' => [
'basePath' => '@webroot/assets',
'baseUrl' => '@web/assets',
],
];

'assetManager' => [
'bundles' => require(__DIR__ . '/assets-' . YII_ENV . '.php'),
],