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  • 连接Oracle数据库

    1.连接代码

    package Util;
    
    import java.sql.Connection;
    import java.sql.DriverManager;
    import java.sql.PreparedStatement;
    import java.sql.ResultSet;
    import java.sql.SQLException;
    
    public class DBUtil {
        public  static void main  (String args[]){
            try {
                Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();
            } catch (InstantiationException | IllegalAccessException | ClassNotFoundException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            String user = "system";
            String password = "密码";
            String url = "jdbc:oracle:thin:@localhost:1521:orcl";
            Connection connection = null;
            try {
                
                 connection = DriverManager.getConnection(url,user,password);
                 System.out.println("连接成功");
            } catch (SQLException e) {
                
                System.out.println("连接失败");
                e.printStackTrace();
            }
            
            
        }
        public static void close(Connection connection ) {
            try {
                if (connection != null) {
                    connection.close();
                }
                
            } catch (SQLException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
        public static void close(PreparedStatement preparedStatement ) {
            try {
                if (preparedStatement != null) {
                    preparedStatement.close();
                }
                
            } catch (SQLException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
        public static void close(ResultSet resultSet ) {
            try {
                if (resultSet != null) {
                    resultSet.close();
                }
                
            } catch (SQLException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
        
    
    
    }

    2.加载驱动

    bulid path->Add External JARs 找到Oracle安装路径下的appAdministratorproduct11.2.0dbhome_1jdbclibojbc6_g.jar

     


    3.在WEB-INT 下lib 复制一个ojbc6_g.jar

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  • 原文地址:https://www.cnblogs.com/wxd136/p/9602593.html
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