javascript
--1.声明定时任务
DECLARE
job NUMBER;
BIGIN
dbms_job.sumit(
job, --任务ID,系统定义的
'test_prcedure(19)',--调用存储过程?
to_date('20240305 02:00','yyyymmdd hh24:mi') --任务开始时间
'sysdate+1/(24*60)' --任务执行周期 [每分钟执行一次]
);
COMMIT;
END;
--2.定义存储过程
CREATE OR REPLACE procedure test_prcedure(in_num number) IS
BEGIN
dbms_output_put_line(in_num) --打印输出19,当然它实际应该是一些列增删改操作
END
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游标操作(类比集合)
java调用存储过程
java
package com.dj.springtest.demo;
import java.sql.*;
/**
* User: ldj
* Date: 2024/3/4
* Time: 23:48
* Description: java调用存储过程
*/
public class CallProcedureDemo {
public static void main(String[] args) throws Exception {
Connection connection = null;
CallableStatement callableStatement = null;
try {
//加载驱动
Class.forName("oracle.jdbc.driver.OracleDriver");
//通过驱动管理器获取连接对象
String url = "jdbc:oracle:thin:@localhost:1521:xe";
String username = "root";
String password = "123456";
connection = DriverManager.getConnection(url, username, password);
//拼接sql脚本,调用存储过程(test_procedure)有1个入参,1个出参
String sql = "{call test_procedure(?,?)}";
callableStatement = connection.prepareCall(sql);
//设置入参和出参
callableStatement.setInt(1, 18);
callableStatement.registerOutParameter(2, JDBCType.DOUBLE);
//执行sql
callableStatement.execute();
//获取结果
System.out.println(callableStatement.getDouble(2));
} catch (Exception e) {
e.printStackTrace();
} finally {
//关闭连接
if (callableStatement != null) {
callableStatement.close();
}
if (connection != null) {
connection.close();
}
}
}
}