摘要：
首先有mysql-connector-java-5.1.20-bin.jarpackage jdbc;import java.sql.Connection;import java.sql.DriverManager;import java.sql.ResultSet;import java.sql.SQLException;import java.sql.Statement;public class JDBC_Connection {static String drivername="com.mysql.jdbc.Driver";static String url=&quo 阅读全文
