#### 创建项目 ``` mkdir WebUtil cd WebUtil composer init ``` #### composer.json ``` { "name": "snjia/web-util", "description": "web-util des ...", "keywords": [ "RSA util", "web util" ], "license": "MIT", "authors": [ { "name": "sn", "email": "779212786@qq.com" } ], "require": { "php": ">=5.3.0" }, "autoload": { "psr-4": { "WebUtil\\": "src/" } } } ```