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  • 数据库02

    这里只演示java-数据库的基本操作,在此基础上,再随便找本相关的参考书即可完成数据库其他基本操作。。。

    package org.lxh.demo17.connectdemo;

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

    public class ResultSetDemo01 {
      public static final String DBDRIVER = "com.mysql.jdbc.Driver";
      public static final String DBURL = "jdbc:mysql://localhost:3306/mldn";
      public static final String DBUSER = "root";
      public static final String DBPASS = "xyzk123";
      public static void main(String[] args) throws Exception{
        Connection conn = null;
        Statement stmt = null;
        ResultSet rs = null;
        String sql = "SELECT empno,ename,job FROM t_dept";
        Class.forName(DBDRIVER);
        conn = DriverManager.getConnection(DBURL, DBUSER, DBPASS);
        stmt = conn.createStatement();
        rs = stmt.executeQuery(sql);
        while(rs.next()){
          int empno = rs.getInt("empno");
          String ename = rs.getString("ename");
          String job = rs.getString("job");

          System.out.println("编号" + empno + ";");
          System.out.println("姓名" + ename + ";");
          System.out.println("职业" + job + ";");
          System.out.println(",,,,,,,,,,,,,,,,,,,,,,,,,,,,,");
        }
        rs.close();
        stmt.close();
        conn.close();
      }

    }

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  • 原文地址:https://www.cnblogs.com/XuGuobao/p/7050743.html
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