Java连接Oracle数据库完整步骤记录

   <user mark="{VE}" desc="数据库用户">root</user>
   <password mark="{VE}" desc="数据库密码">lyt\!QAZ123456</password>
   <url mark="{VE}" desc="数据库url">jdbc:oracle:thin:@//127.0.0.1:1521/OADB</url>
   <driverClass mark="{VE}" desc="驱动">oracle.jdbc.driver.OracleDriver</driverClass>

<user mark="{VE}" desc="数据库用户">root</user>
<password mark="{VE}" desc="数据库密码">lyt123456</password>
<url mark="{VE}" desc="数据库url">jdbc:mysql://127.0.0.1:3306/test3?useUnicode=true&amp;characterEncoding=UTF-8&amp;userSSL=false&amp;serverTimezone=GMT%2B8</url>
<driverClass mark="{VE}" desc="驱动">com.mysql.jdbc.Driver</driverClass>

import com.seeyon.ctp.common.log.CtpLogFactory;
import com.seeyon.ctp.rest.resources.MySSOResources;
import org.apache.commons.logging.Log;

import java.sql.*;

/**
 * @author : lvyitingx
 * @date : 2023-04-03 16:00
 **/
public class JDBCUtils {

    private static final Log logger = CtpLogFactory.getLog(JDBCUtils.class);

    private static final String user = System.getProperty("xnsy.membersync.user");
    private static final String password = System.getProperty("xnsy.membersync.password");
    private static final String url = System.getProperty("xnsy.membersync.url");
    private static final String driverClass = System.getProperty("xnsy.membersync.driverClass");

    public static Connection getConnection(){
        Connection con = null;
        try {
            //获取参数
            logger.info("数据库参数:"+user +password +url +driverClass);
            //2.加载驱动
            Class.forName(driverClass);
            //3.获取连接
            con = DriverManager.getConnection(url,user,password);
        } catch (Exception e) {
            logger.info("数据库连接错误"+e);
            throw new RuntimeException(e);
        }
        return con;
    }

    /**
     * 关闭连接、Statement和ResultSet
     * @param con
     * @param ps
     */
    public static void closeResource(Connection con, Statement ps, ResultSet rs) {
        //资源关闭
        try {
            if(ps != null)
                ps.close();
        } catch (SQLException e) {
            e.printStackTrace();
        }
        try {
            if(con != null)
                con.close();
        } catch (SQLException e) {
            e.printStackTrace();
        }
        try {
            if(rs != null)
                rs.close();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}

	@Path("updateMember")
    @GET
    public void updateMember() {
        Connection con = null;
        PreparedStatement ps = null;
        ResultSet resultSet = null;
        List<String> midMembers = null;
     
        try {
          
            midMembers = new ArrayList<>();
            con = JDBCUtils.getConnection();
            String sql = "select code from mid_org_person";
            ps = con.prepareStatement(sql);
            resultSet = ps.executeQuery();
            logger.info("获取结果成功"+resultSet);
            //获取中间表人员编号
            while (resultSet.next()) {
                midMembers.add(resultSet.getString(1));
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            //关闭资源
            JDBCUtils.closeResource(con, ps, resultSet);
        }
    }