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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 npm
sudo npm install -g bower
linux 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/bowernpm http 304 https://registry.npmjs.org/bowernpm http GET https://registry.npmjs.org/semver-utilsnpm http 304 https://registry.npmjs.org/semver-utils/usr/bin/bower -> /usr/lib/node_modules/bower/bin/bowernpm WARN unmet dependency /usr/lib/node_modules/block-stream requires inherits@'~2.0.0' but will loadnpm WARN unmet dependency undefined,npm WARN unmet dependency which is version undefinednpm WARN unmet dependency /usr/lib/node_modules/fstream requires inherits@'~2.0.0' but will loadnpm WARN unmet dependency undefined,npm WARN unmet dependency which is version undefinednpm WARN unmet dependency /usr/lib/node_modules/fstream-ignore requires inherits@'2' but will loadnpm WARN unmet dependency undefined,npm WARN unmet dependency which is version undefinednpm WARN unmet dependency /usr/lib/node_modules/fstream-npm requires inherits@'2' but will loadnpm WARN unmet dependency undefined,npm WARN unmet dependency which is version undefinednpm WARN unmet dependency /usr/lib/node_modules/glob requires inherits@'2' but will loadnpm WARN unmet dependency undefined,npm WARN unmet dependency which is version undefinednpm WARN unmet dependency /usr/lib/node_modules/npmconf requires inherits@'~2.0.0' but will loadnpm WARN unmet dependency undefined,npm WARN unmet dependency which is version undefinednpm WARN unmet dependency /usr/lib/node_modules/tar requires inherits@'2' but will loadnpm WARN unmet dependency undefined,npm WARN unmet dependency which is version undefinedbower@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]$ lsbower_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.gitbower terryjstest#* resolve git://github.com/zqy234/my.js.git#*bower terryjstest#* download https://github.com/zqy234/my.js/archive/1.0.0.tar.gzbower terryjstest#* extract archive.tar.gzbower terryjstest#* invalid-meta terryjstest is missing "main" entry in bower.jsonbower terryjstest#* invalid-meta terryjstest is missing "ignore" entry in bower.jsonbower 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? Yesbower 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 terryjstestbower terryjstest#* cached git://github.com/zqy234/my.js.git#1.0.0bower 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# '[terry@iZ942k2d5ezZ tt]$ 搜索：
[terry@iZ942k2d5ezZ tt]$ bower search terryjstestSearch 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/logtestUsing version ^1.2 for zqy234/logtest./composer.json has been updatedLoading composer repositories with package informationUpdating 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 fileGenerating 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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