一 .
准备数据
{“name”:“json”,“age”:23,“hobby”:“running”}
{“name”:“charles”,“age”:32,“hobby”:“basketball”}
{“name”:“tom”,“age”:28,“hobby”:“football”}
{“name”:“lili”,“age”:24,“hobby”:“running”}
{“name”:“bob”,“age”:20,“hobby”:“swimming”}
二.代码
import org.apache.spark.SparkContext
import org.apache.spark.sql.streaming.Trigger
import org.apache.spark.sql.{
DataFrame, Dataset, Row, SparkSession}
import org.apache.spark.sql.types.StructType
object readJs