小编Vig*_*ran的帖子

我正在使用express with node for rest api,我需要运行for循环来确定输出json.我的路线文件看起来

var Redis = require('ioredis')
var redis = new Redis({
    port: 6379,
    host: '127.0.0.1',
    family: 4,
    password: 'password',
    db: 0
});

var Jsonresult = {};
var process = function(lat,lon,dist,unit)
{
    Jsonresult.result = 'success';
    var vehicle_type = new Array('small','medium');  
    vehicle_type.forEach(function(vehicle, index, arr) 
    {
        redis.georadius ( vehicle,lat,lon ,dist,unit,'WITHCOORD','WITHDIST',function( ERR , Result ) 
        {
            if (ERR) 
            {
                console.log(ERR);
            }

            Jsonresult[vehicle] = Result;
        }) ;
    })

    return Jsonresult;
}

router.get('/:lat/:lon/:dist/:unit', function(req, res, next) {
    var lat = req.params.lat;
    var …