PHP開發之--安裝composer

composer是一個很好用的工具,相似於iOS開發項目中所用的cocopods,因此就想着安裝下,過程也很簡單:php

一、切換到以下目錄(在不少博客中都是這樣寫的,先安裝,而後mv到/usr/local/bin目錄下,其實能夠直接安裝),這樣就能夠全局使用json

cd /usr/local/bin

二、安裝,輸入以下命令:composer

curl -sS https://getcomposer.org/installer | php

這個時候會報錯,以下:curl

bogon:bin xianniuyang$ curl -sS https://getcomposer.org/installer | php
All settings correct for using Composer
The installation directory "/usr/local/bin" is not writable

其實就是沒有讀寫權限,輸入以下命令,輸入開機密碼便可開放權限:工具

sudo chmod a+x /usr/local/bin

三、而後再次輸入安裝命令 curl -sS https://getcomposer.org/installer | php 便可安裝,安裝成功以下:ui

bogon:bin xianniuyang$ curl -sS -k https://getcomposer.org/installer | php
All settings correct for using Composer
Downloading...

Composer (version 1.9.0) successfully installed to: /usr/local/bin/composer.phar
Use it: php composer.phar

四、輸入以下命令:url

mv composer.phar /usr/local/bin/composer

五、在本身的PHP項目中建立composer.json文件,能夠建在文件夾裏面;spa

六、執行以下命令:code

composer install

七、安裝成功提示以下:orm

bogon:MFFC xianniuyang$ composer install
Loading composer repositories with package information
Updating dependencies (including require-dev)
Package operations: 1 install, 0 updates, 0 removals
  - Installing monolog/monolog (1.0.2): Downloading (100%)         
Writing lock file
Generating autoload files

項目中以下圖:

 

 參考了幾篇博客,都不怎麼完整,因此按照大神博客裏面的步驟本身總結了下,僅作記錄!

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