Spark_SQL如何进行数据读取

从 json 文件读数据 json 文件内容示例java {"id":1, "name":"leo", "age":18} {"id":2, "name":"jack", "age":19} {"id":3, "name":"marry", "age":17} 从 json 文件读取mysql SparkSession spark = SparkSession.builder() .app

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