package com.huawei.interview.lym; import java.sql.CallableStatement; import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; import java.sql.Types; public class JdbcTest { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub Connection cn = null; CallableStatement cstmt = null; try { //这里最好不要这么干,因为驱动名写死在程序中了 Class.forName("com.mysql.jdbc.Driver"); //实际项目中,这里应用DataSource数据,如果用框架, //这个数据源不需要我们编码创建,我们只需Datasource ds = context.lookup() //cn = ds.getConnection(); cn = DriverManager.getConnection("jdbc:mysql:///test","root","root"); cstmt = cn.prepareCall("{call insert_Student(?,?,?)}"); cstmt.registerOutParameter(3,Types.INTEGER); cstmt.setString(1, "wangwu"); cstmt.setInt(2, 25); cstmt.execute(); //get第几个,不同的数据库不一样,建议不写 System.out.println(cstmt.getString(3)); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } finally { /*try{cstmt.close();}catch(Exception e){} try{cn.close();}catch(Exception e){}*/ try { if(cstmt != null) cstmt.close(); if(cn != null) cn.close(); } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }
时间: 2024-10-21 14:52:48