zoukankan      html  css  js  c++  java
  • JDBC编程六部曲

    package com.bjpowernode.jdbc;
    
    import java.sql.Connection;
    import java.sql.Driver;
    import java.sql.DriverManager;
    import java.sql.ResultSet;
    import java.sql.SQLException;
    import java.sql.Statement;
    
    public class JDBCTest01 {
    
        public static void main(String[] args) {
            Connection conn=null;
            Statement stmt=null;
            ResultSet rs=null;
            try {
                //1.注册驱动
                Driver driver=new com.mysql.jdbc.Driver();
                DriverManager.registerDriver(driver);
                //2获取数据库连接
                String Url="jdbc:mysql://172.16.1.60:3306/gagamatch";
                String user="shejiao";
                String password="@shejiao20150604544090";
                conn=DriverManager.getConnection(Url,user,password);
                //3获取数据库操作对象
                stmt=conn.createStatement();
                //4执行sql语句
                String sql="select * from gagamatch.member limit 1";
                rs=stmt.executeQuery(sql);
    //处理查询结果集
    while(rs.next()) { String id=rs.getString("Email"); String name=rs.getString("name"); System.out.println(id+" "+ name); } } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); }finally{ //6关闭资源 if(rs!=null) { try{rs.close();}catch (Exception ex) {ex.printStackTrace();} } //关闭资源 if(stmt!=null) { try{stmt.close();}catch (Exception ex) {ex.printStackTrace();} } //关闭资源 if(conn!=null) { try{conn.close();}catch (Exception ex) {ex.printStackTrace();} } } } }

     

  • 相关阅读:
    numpy用法介绍-未完待续
    GeoJSON相关操作
    awk日志分析
    awk获取外部变量
    Shell编程二
    Shell编程
    Linux监控平台搭建
    Linux集群架构
    Linux集群
    MySQL主从(MySQL proxy Lua读写分离设置,一主多从同步配置,分库分表方案)
  • 原文地址:https://www.cnblogs.com/suanshun/p/6734646.html
Copyright © 2011-2022 走看看