摘要：
packageorg.gaoyoubo.dao;importjava.sql.*;importjava.util.*;importjavax.servlet.jsp.jstl.sql.*;publicclassCommanDao{privateConnectioncon;privateStringsql;privateListparameters;//设置连接publicvoidsetCon(Connectioncon){this.con=con;}//设置sql语句；publicvoidsetSql(Stringsql){this.sql=sql;}//设置sql语句参数；publicvoi 阅读全文