Flink 处理 json 数据需要导入依赖 <dependency> <groupId>org.apache.flink</groupId> <artifactId>flink-json</artifactId> <version>1.11.2</version> </dependency> 程序示例 package com.shujia.flink.table importorg.apache.flink.streaming.api.scala.StreamExecutionEnvironment importorg.apache.flink.table....