本文主要是介绍yii2 bower部分使用，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
在yii2中，如果js css文件等不存在，会到vendor/bower文件夹下面找，找到后加载到当前目录的web下面
如果我们的yii2的扩展需要用到js css，就需要加入js css这些文件
方法如下：
1.在github下面开一个项目：譬如：
https://github.com/zqy234/my.js
2.在http://bower.io/ 中进行注册
首先在linux 下面执行
yum install npmsudo npm install -g bowerlinux 设置sudo可以到网络搜索如何设置
安装log如下：
[terry@iZ942k2d5ezZ ~]$ sudo npm install -g bower
[sudo] password for terry:
npm http GET https://registry.npmjs.org/bower
npm http 304 https://registry.npmjs.org/bower
npm http GET https://registry.npmjs.org/semver-utils
npm http 304 https://registry.npmjs.org/semver-utils
/usr/bin/bower -> /usr/lib/node_modules/bower/bin/bower
npm WARN unmet dependency /usr/lib/node_modules/block-stream requires inherits@'~2.0.0' but will load
npm WARN unmet dependency undefined,
npm WARN unmet dependency which is version undefined
npm WARN unmet dependency /usr/lib/node_modules/fstream requires inherits@'~2.0.0' but will load
npm WARN unmet dependency undefined,
npm WARN unmet dependency which is version undefined
npm WARN unmet dependency /usr/lib/node_modules/fstream-ignore requires inherits@'2' but will load
npm WARN unmet dependency undefined,
npm WARN unmet dependency which is version undefined
npm WARN unmet dependency /usr/lib/node_modules/fstream-npm requires inherits@'2' but will load
npm WARN unmet dependency undefined,
npm WARN unmet dependency which is version undefined
npm WARN unmet dependency /usr/lib/node_modules/glob requires inherits@'2' but will load
npm WARN unmet dependency undefined,
npm WARN unmet dependency which is version undefined
npm WARN unmet dependency /usr/lib/node_modules/npmconf requires inherits@'~2.0.0' but will load
npm WARN unmet dependency undefined,
npm WARN unmet dependency which is version undefined
npm WARN unmet dependency /usr/lib/node_modules/tar requires inherits@'2' but will load
npm WARN unmet dependency undefined,
npm WARN unmet dependency which is version undefined
bower@1.7.2 /usr/lib/node_modules/bower
?..? semver-utils@1.1.1
[terry@iZ942k2d5ezZ ~]$ 创建bower.json
bower init[terry@iZ942k2d5ezZ tt]$ bower init
? name terry
? description water
? main file my.js
? what types of modules does this package expose?
? keywords js
? authors terry
? license MIT
? homepage https://github.com/zqy234/my.js
? set currently installed components as dependencies? Yes
? add commonly ignored files to ignore list? Yes
? would you like to mark this package as private which prevents it from being accidentally published to the registry? No{name: 'terry',description: 'water',main: 'my.js',moduleType: [],keywords: ['js'],authors: ['terry'],license: 'MIT',homepage: 'https://github.com/zqy234/my.js',ignore: ['**/.*','node_modules','bower_components','test','tests'],dependencies: {'my.js': 'https://github.com/zqy234/my.js.git#~1.0.0'}
}? Looks good? Yes
[terry@iZ942k2d5ezZ tt]$ ls
bower_components bower.json完成后里面有一个bower.json文件，吧这个文件上传到github对应的项目目录 下面
3注册到bower
bower register terryjs git://github.com/zqy234/my.js.git[terry@iZ942k2d5ezZ tt]$ bower register terryjstest git://github.com/zqy234/my.js.git
bower terryjstest#* resolve git://github.com/zqy234/my.js.git#*
bower terryjstest#* download https://github.com/zqy234/my.js/archive/1.0.0.tar.gz
bower terryjstest#* extract archive.tar.gz
bower terryjstest#* invalid-meta terryjstest is missing "main" entry in bower.json
bower terryjstest#* invalid-meta terryjstest is missing "ignore" entry in bower.json
bower terryjstest#* resolved git://github.com/zqy234/my.js.git#1.0.0
? Registering a package will make it installable via the registry (https://bower.herokuapp.com), continue? Yes
bower terryjstest register git://github.com/zqy234/my.js.gitPackage terryjstest registered successfully!
All valid semver tags on git://github.com/zqy234/my.js.git will be available as versions.
To publish a new version, just release a valid semver tag.Run bower info terryjstest to list the available versions.
[terry@iZ942k2d5ezZ tt]$查看信息：
[terry@iZ942k2d5ezZ tt]$ bower info terryjstest
bower terryjstest#* cached git://github.com/zqy234/my.js.git#1.0.0
bower terryjstest#* validate 1.0.0 against git://github.com/zqy234/my.js.git#*{name: 'terryjs',homepage: 'https://github.com/zqy234/my.js',version: '1.0.0'
}Available versions:- 1.0.0You can request info for a specific version with 'bower info terryjstest#<version>'
[terry@iZ942k2d5ezZ tt]$ 搜索：
[terry@iZ942k2d5ezZ tt]$ bower search terryjstest
Search results:terryjstest git://github.com/zqy234/my.js.git
[terry@iZ942k2d5ezZ tt]$ 然后可以在
http://bower.io/search/
中搜索到
譬如搜索：http://bower.io/search/?q=terryjstest
就找到我关联的包了。
4.在文件中加入依赖：
{"name": "zqy234/logtest","description": "Yii2 zqy234 test","keywords": ["yii2","logtest"],"homepage": "https://github.com/zqy234/logtest","type": "yii2-extension","license": "MIT","support": {"source": "https://github.com/zqy234/logtest"},"authors": [{"name": "terry water","email": "zqy234@126.com"}],"minimum-stability": "stable","require": {"php": ">=5.4.0","yiisoft/yii2": ">=2.0.6","bower-asset/terryjstest": "~1.0"},"autoload": {"psr-4": {"terry\\": ""}},"config": {"process-timeout": 1800}
}5
到yii跟目录下执行：
[root@iZ942k2d5ezZ fancyecommerce.com]# composer require --prefer-dist zqy234/logtest
Using version ^1.2 for zqy234/logtest
./composer.json has been updated
Loading composer repositories with package information
Updating dependencies (including require-dev)- Installing bower-asset/terryjstest (1.0.0) Downloading: 100% - Removing zqy234/logtest (1.0.0)- Installing zqy234/logtest (1.2.0)Downloading: 100% Writing lock file
Generating autoload files
[root@iZ942k2d5ezZ fancyecommerce.com]#[root@iZ942k2d5ezZ fancyecommerce.com]# ls vendor/bower/
bootstrap jquery jquery.inputmask punycode terryjstest typeahead.js yii2-pjax可以看到terryjstest被加载到vendor/bower包下面了、
注意：在执行前，需要先运行asset的插件：
composer global require "fxp/composer-asset-plugin:~1.1.1"
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