移动计费系统采用jsp+servlet实现，工具：mysql+myeclipse

import java.sql.*; public class TestMySQL{ public static void main(String args[]){ Connection conn = null; Statement stmt = null; ResultSet rs = null; try{ Class.forName("org.gjt.mm.mysql.Driver"); String url = "jdbc:mysql://localhost/test"; //test是数据库的名字 conn = DriverManager.getConnection(url,"root","aaaaaaaa"); stmt = conn.createStatement(); rs = stmt.executeQuery("SELECT * FROM student"); while(rs.next()){ System.out.println(rs.getString(1)); System.out.println(rs.getString(2)); System.out.println(rs.getString(3)); } conn.close(); }catch(Exception e){ e.printStackTrace(); } } }