Linux安装composer

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3. 下载安装composer

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

4. 把composer.phar移动到环境下让其变成可执行

   mv /root/download/composer.phar /usr/local/php-7.0.12/bin/composer
   

5. 测试安装是否成功

   composer -V
   Composer version x.x.x YYYY-MM-DD HH:II:SS
   

6. 命令行换源

   # 换当前项目源
   composer config repo.packagist composer https://mirrors.aliyun.com/composer/
   # 换用户全局源
   composer config -g repo.packagist composer https://mirrors.aliyun.com/composer/
   

7. 改配置文件换源

   {
     "repositories": [
       {
         "type": "composer",
         "url": "https://mirrors.aliyun.com/composer/"
       },
       {
         "type": "composer",
         "url": "http://packagist.phpcomposer.com/"
       }
     ]
   }