redis

redis.js

var co = require('co');
var assert = require('assert')
var redisClient = require('redis').createClient();
var wrapper = require('co-redis');
var rc = wrapper(redisClient);

co(function* () {
  yield rc.set('test', 33);
  var test = yield rc.get('test'); // logs 33
  assert(test === '33');
  yield rc.hset('key', 'x', 1);
  yield rc.hset('key', 'y', 2);
  yield rc.hset('key', 'z', 3);
  //获取keys
  var keys = yield rc.hkeys('key');
  assert.deepEqual(keys, ['x', 'y', 'z']);
  //删除key
  yield rc.hdel('key', 'z');
  //判定key
  assert((yield rc.hexists('key', 'z')) === 0);
  assert((yield rc.hexists('key', 'x')) === 1);
  //hgetall
  var values = yield rc.hgetall('key');
  assert.deepEqual(values, {
    x: '1',
    y: '2'
  })
  //hincrby
  yield rc.hincrby('key', 'x', 3);
  assert((yield rc.hget('key', 'x')) === '4');
  //hlen
  var len = yield rc.hlen('key');
  assert(len === 2);
  //hvals
  var vals = yield rc.hvals('key');
  assert.deepEqual(vals, ['4', '2']);
  yield rc.set('key1', 'x');
  yield rc.set('key2', 'y');
  //mget
  var result = yield rc.mget('key1', 'key2', 'nonexist');
  console.log(result);
  rc.end();
})();