mysql

    技术2026-04-01  2

       1.加载及注册JDBC驱动程序以及建立连接对象

     

         Class.forName("com.mysql.jdbc.Driver");   //Class.forName("com.mysql.jdbc.Driver").newInstance();      String url="jdbc:mysql://localhost/database?user=root&password=your_password";      Connection con = DriverManager.getConnection(url);  或者      Class.forName("com.mysql.jdbc.Driver");      String url="jdbc:mysql://localhost:3306/database";      String user=root;      String password=your_password;      Connection con = DriverManager.getConnection(url,user,password);

    其中“:3306”可有可无

     

            2.  建立SQL陈述式对象(Statement Object)

         Statement stmt = con.createStatement();

     

    3. 执行SQL语句

          executeQuery()

          String query = "select * from test";

          ResultSet rs=stmt.executeQuery(query);

     

          结果集ResultSet

          while(rs.next())

          {rs.getString(1);rs.getInt(2);}

     

           executeUpdate()

           String upd="insert into test (id,name) values(1001,xuzhaori)";

           int con=stmt.executeUpdate(upd);

           execute()

    4. close()

        rs.close();    stmt.close();    con.close();

    注意:IDE中导入相应包以及程序中import相应包以及相应try/catch

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