weixin_47681855的博客

本篇文章以Oracle为例：public class SinkOracle extends RichSinkFunction<Tuple4<String, Long, String, Double>> { private Connection connection; private PreparedStatement statement; // 1,初始化 @Override public void open(Configuration p

先找到自己的驱动包：粘贴文件到本地jdk的C:\Develop\jdk1.8.0_131\jre\lib位置然后打开Idea的External Libraries下的jdk<1.8>单击加号将驱动添加进去即可