摘要: 场景 将Stu1(name:String,location:String,time:Long)按名字分组并转为Stu2(name:String,location_time:String) 以fromElements获取源没问题 import org.apache.flink.streaming.ap 阅读全文
posted @ 2020-10-28 15:00 dch_21 阅读(77) 评论(0) 推荐(0) 编辑