php - Laravel 5.5 SQLSTATE[HY000] [2002] php_network_getaddresses : getaddrinfo failed: No such host is known

Question

为新项目安装 Laravel 5.5 后，我得到这个错误:

[Illuminate\Database\QueryException]
  SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: No such host is known.

.env 数据库连接信息:

DB_CONNECTION=mysql
DB_HOST=localhost
DB_PORT=3306
DB_DATABASE=lavavelproject
DB_USERNAME=root
DB_PASSWORD=

开发环境:WindowsPHP 7.0

Answer 1

尝试通过终端清除缓存:

php artisan config:cache

更改配置文件时始终执行此操作。