2024-11-07mapreduce案例_用户停留时间关联城市名importorg.apache.hadoop.conf.Configuration;importorg.apache.hadoop.fs.Path;importorg.apache.hadoop.io.LongWritable;importorg.apache.hadoop.io.Text;importorg.apache.hadoop.mapreduce.lib.input.FileSplit;importorg.apache.hadoop.mapreduce.Job;impo