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  • Mysql 驱动程序,连接数据库的代码

    public static void main(String[] args) {

             String usname= "root";

             String pwd = "000000";  

             String driver="com.mysql.jdbc.Driver";  

             String url = "jdbc:mysql://localhost:3306/zslm?user=root&password=000000"; //zslm是数据库名字,root是用户password//是密码

             String sql = "select * from module";  

             Connection conn = null;  

             Statement stmt = null;  

             ResultSet rs = null;  

             try {  

                               Class.forName(driver);  //加载驱动    

                               conn = DriverManager.getConnection(url); //获得连接  

                               stmt = conn.createStatement();   

                               rs = stmt.executeQuery(sql);   

                               if (rs !=null){    

                                              while(rs.next()){    

                                                  System.out.println(rs.getString(1));     

                                                  System.out.println(rs.getString(2));    

                                                  System.out.println(rs.getDate(3));     

                                                  System.out.println(rs.getString(4));     

                                                  System.out.println(rs.getString(5));     

                                                  System.out.println(rs.getString(6));     

                                                 System.out.println(rs.getString(7));     

                                                }            

                                     }else{    

                                     System.out.println("rs是null");   

                                      }  

                                    rs.close();   

                                   stmt.close();   

                                     rs.close();  

            } catch (ClassNotFoundException e){   

                  e.printStackTrace();  

            }catch (SQLException e) {

                 e.printStackTrace();  

            }

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  • 原文地址:https://www.cnblogs.com/xubc/p/3825421.html
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