php管理关系工具Composer 之安装与下载

参考网址:http://www.phpcomposer.com

https://packagist.org

1、linux 安装Composer

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

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

下载csv压缩包：

composer config repo.packagist composer https://packagist.phpcomposer.com

composer require league/csv

composer update nothing

composer  install

composer安装成功后会在当前目录创建vendor目录，所有安装插件都会放在vendor/league下

2、window 安装 Composer

参考网址:https://getcomposer.org/download/    下载 Composer-Setup.exe 进行安装

a、使用下载插件的方法
     vendor安装目录存放于/home/share/

测试案例:

<?php

require_once '/home/share/vendor/autoload.php';
use League\Csv\Reader;
$reader = Reader::createFromPath('test.csv');
foreach ($reader as $index => $row) {
    //do something meaningful here with $row !!
    //$row is an array where each item represent a CSV data cell
    //$index is the CSV row index
}
echo $reader;
?>