Laravel操作redis和缓存操作详解

composer require predis/predis

'redis' => [

    'client' => env('REDIS_CLIENT', 'predis'),//别名,如果你安装的是PhpRedis，将client值改为phpredis

    'default' => [
        'host' => env('REDIS_HOST', '127.0.0.1'),//redis服务器主机
        'passWord' => env('REDIS_PASSWORD', null),//redis服务器密码
        'port' => env('REDIS_PORT', 6379),//redis服务器端口
        'database' => env('REDIS_DB', 0),
    ],

    'cache' => [
        'host' => env('REDIS_HOST', '127.0.0.1'),//redis服务器主机
        'password' => env('REDIS_PASSWORD', null),//redis服务器密码
        'port' => env('REDIS_PORT', 6379),//redis服务器端口
        'database' => env('REDIS_CACHE_DB', 1),
    ],

],

'redis' => [

    'client' => env('REDIS_CLIENT', 'predis'),

    'clusters' => [
        'default' => [
            [
                'host' => env('REDIS_HOST', 'localhost'),
                'password' => env('REDIS_PASSWORD', null),
                'port' => env('REDIS_PORT', 6379),
                'database' => 0,
            ],
        ],
    ],

],

Redis::set('val1','asdasd');

Redis::get('key')

Redis::del('key');

'default' => env('CACHE_DRIVER', 'file')

'stores' => [

        'apc' => [
            'driver' => 'apc',
        ],

        'array' => [
            'driver' => 'array',
        ],

        'database' => [
            'driver' => 'database',
            'table' => 'cache',
            'connection' => null,
        ],

        'file' => [
            'driver' => 'file',
            'path' => storage_path('framework/cache/data'),
        ],

        'memcached' => [
            'driver' => 'memcached',
            'persistent_id' => env('MEMCACHED_PERSISTENT_ID'),
            'sasl' => [
                env('MEMCACHED_USERNAME'),
                env('MEMCACHED_PASSWORD'),
            ],
            'options' => [
                // Memcached::OPT_CONNECT_TIMEOUT => 2000,
            ],
            'servers' => [
                [
                    'host' => env('MEMCACHED_HOST', '127.0.0.1'),
                    'port' => env('MEMCACHED_PORT', 11211),
                    'weight' => 100,
                ],
            ],
        ],

        'redis' => [
            'driver' => 'redis',
            'connection' => 'cache',
        ],

        'dynamodb' => [
            'driver' => 'dynamodb',
            'key' => env('AWS_ACCESS_KEY_ID'),
            'secret' => env('AWS_SECRET_ACCESS_KEY'),
            'region' => env('AWS_DEFAULT_REGION', 'us-east-1'),
            'table' => env('DYNAMODB_CACHE_TABLE', 'cache'),
            'endpoint' => env('DYNAMODB_ENDPOINT'),
        ],

    ],

'database' => [
    'driver' => 'database',
    'table' => 'cache',//配置的缓存表名
    'connection' => null,//连接名,这个是在config/database.php文件配置的,不进行配置使用默认连接的数据库
],

php artisan cache:table
php artisan migrate

'file' => [
    'driver' => 'file',
    'path' => storage_path('framework/cache/data'),//这里配置的是缓存数据保存地址
],

'redis' => [
    'driver' => 'redis',
    'connection' => 'default',//redis的连接名,对应config/database.php文件的redis配置,如果不进行配置使用默认的redis连接配置
],

Cache::put('key', 'value', $minutes);

//将不存在于缓存中的数据放入缓存中，如果存放成功返回 true ，否则返回 false
Cache::add('key', 'value', $minutes);

//数据永久存入缓存
Cache::forever('key', 'value');

//获取users缓存,如果不存在,执行第三个参数，将返回值存入缓存
$value = Cache::remember('users', $minutes, function () {
    return DB::table('users')->get();
});

//获取users缓存,如果不存在,执行第三个参数，将返回值存入缓存并永久储存
$value = Cache::rememberForever('users', function() {
    return DB::table('users')->get();
});

$value = Cache::get('key')

//传递第二个参数，用来指定如果查找的数据不存在时，你希望返回的默认值
$value = Cache::get('key', 'default');

//第二个参数传递 Closure 作为默认值。如果指定的数据不存在于缓存中，将返回 Closure 的结果
$value = Cache::get('key', function () {
    return DB::table(...)->get();
});

//判断缓存是否存在，如果值为 null 或 不存在返回false
Cache::has('key')

//从缓存中获取到数据之后再删除它,如果缓存中不存在该数据， 则返回 null
$value = Cache::pull('key');
//删除缓存
Cache::forget('key');
//清空缓存
Cache::flush();

Cache::increment('key');
Cache::increment('key', 2);
Cache::decrement('key');
Cache::decrement('key', 2);

$value = Cache::store('file')->get('foo');//获取
Cache::store('redis')->put('bar', 'baz', 10);//设置