java 原生PraparedStatement操作数据库

package com.csf.practicetest.core;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;

/**
 * Created by fenglei.ma on 2018/4/18. 14:22
 */
public class OracleOrMysqlPrepareStatement {

    /**
     *     <!--oracle 驱动-->
     *     <dependency>
     *           <groupId>com.oracle</groupId>
     *           <artifactId>ojdbc</artifactId>
     *           <version>6</version>
     *     </dependency>
     */
    public static void main(String[] args) {
        try {

            String driver = "oracle.jdbc.driver.OracleDriver";
            String url = "jdbc:oracle:thin:@192.168.100.10:1521:csdb001";
            String user = "zhaoshang";
            String pwd = "zhaoshang";

            // 注册数据库驱动
            Class.forName(driver);

            Connection conn = DriverManager.getConnection(url, user, pwd);
            String sql = "select * from fin_product_node where secu = ? or secu = ?";
            PreparedStatement ps = conn.prepareStatement(sql);
            ps.setString(1, "601601_SH_EQ");
            ps.setString(2, "300471_SZ_EQ");

            ResultSet rs = ps.executeQuery();
            while (rs.next()) {
                Integer id = rs.getInt("id");
                String secu =  rs.getString("secu");
                System.out.println("id:" + id + " secu: " + secu);
            }

            conn.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }


    /**
     *     <!--mysql 驱动-->
     *    <dependency>
     *           <groupId>mysql</groupId>
     *           <artifactId>mysql-connector-java</artifactId>
     *           <version>5.1.20</version>
     *    </dependency>
     */
    public static void main2(String[] args) {
        try {

            String driver = "com.mysql.jdbc.Driver";
            String url = "jdbc:mysql://192.168.250.208:3306/ada-fd?characterEncoding=UTF-8";
            String user = "ada_user";
            String pwd = "ada_user";

            // 注册数据库驱动
            Class.forName(driver);

            Connection conn = DriverManager.getConnection(url, user, pwd);
            String sql = "select * from hq_stock_tp limit 5";
            PreparedStatement ps = conn.prepareStatement(sql);

            ResultSet rs = ps.executeQuery();
            while (rs.next()) {
                String dt = rs.getString("dt");
                String tick =  rs.getString("tick");
                System.out.println("------> dt:" + dt + " tick: " + tick);
            }

            conn.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}