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  • jdbc写入和读取过程

    [jdbc写操作]

    Class.forName("com.mysql.jdbc.Driver");

    Connection conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/big","root","root");

    ppst = conn.preparedStatement("insert into test(id,name,age) values(?,?,?)");

    //绑定参数

    ppst.setInteger(1,1);

    ppst.setString(2,"tom");

    ppst.setInteger(3,"tom");

    ppst.executeUpdate();

    ppst.close();

    ppst.close();

    [jdbc读操作]

    Class.forName("com.mysql.jdbc.Driver");

    Connection conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/big4","root","root");

    ppst =conn.PreparedStatement("select id,name from test");

    ResultSet rs = ppst.executeQuery();

    while(rs.next()){

      int id = rs.getInt();

      String name = rs.getString("name");

    }

      rs.close();

      conn.close();

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  • 原文地址:https://www.cnblogs.com/stone-learning/p/9271732.html
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