Logstash怎么导入csv

Logstash.Conf

input {
    file {
        type => "SSRCode"
        path => "E:/FTPRootWorkSpace/SD/2016*/2016*/*.txt"
        start_position => "beginning"
    }
}

filter {
csv {
columns => ["Code","Source"]
separator => ","
}
}

# output logs to console and to elasticsearch
output {
    stdout {}
    elasticsearch {
        hosts => ["132.16.1.86:9200"]
    }
}