Laravel配置Redis

.env 增加配置

REDIS_HOST=127.0.0.1
REDIS_PASSWORD=null 
REDIS_PORT=6379 
REDIS_PREFIX=lara

修改/config/database.php，增加'prefix' => env('REDIS_PREFIX', 'laravel').":",

    'redis' => [
        'client' => env('REDIS_CLIENT', 'predis'),
        'options' => [
            'cluster' => env('REDIS_CLUSTER', 'predis'),
            'prefix' => env('REDIS_PREFIX', 'laravel').":",
        ],
        'default' => [
            'host' => env('REDIS_HOST', '127.0.0.1'),
            'password' => env('REDIS_PASSWORD', null),
            'port' => env('REDIS_PORT', 6379),
            'database' => env('REDIS_DB', 0),
        ],
        'cache' => [
            'host' => env('REDIS_HOST', '127.0.0.1'),
            'password' => env('REDIS_PASSWORD', null),
            'port' => env('REDIS_PORT', 6379),
            'database' => env('REDIS_CACHE_DB', 1),
        ],
    ],

/composer.json增加"predis/predis": "^1.1"

    "require": {
        "php": "^7.1.3",
        "barryvdh/laravel-cors": "^0.11.3",
        "fideloper/proxy": "^4.0",
        "laravel/framework": "5.8.*",
        "laravel/tinker": "^1.0",
        "predis/predis": "^1.1"
    },