Spark 1.5.2 Spark Streaming 学习笔记和编程练习 Overview 概述 Spark Streaming is an extension of the core Spark API that enables scalable, high-throughput, fault-tolerant stream processing of live data streams. Data can be ingested from many sources like Kafka,…
1.直接使用request.getParamater()的方法获取(这种取参方式对于POST和GET的提交方式均适用): 2.通过请求体的IO流获取参数(这种方式只能用于POST,因为GET方式没有请求体): String s =""; InputStream in = null; BufferedInputStream bin = null; try{ in = request.getInputStream(); bin = new BufferedInputStream(in);…
1.创建数据库Person CREATE TABLE Person( id number, name nvarchar2() , age number , sex nvarchar2() , password nvarchar2() ) 2.在数据库建立一个type,对应JAVA端要传入的对象结构: CREATE OR REPLACE TYPE BUT_UKBNOV_CTC_ORDER_REC1 AS OBJECT ( id number, name nvarchar2(200) , age n…