安装`ThinkPHP5.0.*`版本时候： composer.json文件 ~~~ { "name": "topthink/think", "description": "the new thinkphp framework", "type": "project", "keywords": [ "framework", "thinkphp", "ORM" ], "homepage": "http://thinkphp.cn/", "license": "Apache-2.0", "authors": [ { "name": "liu21st", "email": "liu21st@gmail.com" } ], "require": { "php": ">=5.4.0", "topthink/framework": "5.0.*" }, "autoload": { "psr-4": { "app\\": "application" } }, "extra": { "think-path": "thinkphp" }, "config": { "preferred-install": "dist" } } ~~~ Thinkphp5.0视频教程 [1.3使用composer安装thinkphp](https://www.ithome.io/b/9718c90c-f66a-17b6-440c-c152bb39e77a.html)