PHP開發之--安裝composer


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

1、切換到如下目錄(在很多博客中都是這樣寫的,先安裝,然后mv到/usr/local/bin目錄下,其實可以直接安裝),這樣就可以全局使用

cd /usr/local/bin

2、安裝,輸入如下命令:

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

這個時候會報錯,如下:

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,輸入如下命令,輸入開機密碼即可開放權限:

sudo chmod a+x /usr/local/bin

3、然后再次輸入安裝命令 curl -sS https://getcomposer.org/installer | php 即可安裝,安裝成功如下:

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

4、輸入如下命令:

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

5、在自己的PHP項目中創建composer.json文件,可以建在文件夾里面;

6、執行如下命令:

composer install

7、安裝成功提示如下:

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

項目中如下圖:

 

 參考了幾篇博客,都不怎么完整,所以按照大神博客里面的步驟自己總結了下,僅做記錄!

 


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