package?com.imooc.dbc; ? import?java.sql.Connection; import?java.sql.DriverManager; import?java.sql.ResultSet; import?java.sql.Statement; ? public?class?DBUtil?{ ????????private?static?final?String?URL="jdbc:mysql://127.0.0.1:3306/imooc"; ????????private?static?final?String?USER="root"; ????????private?static?final?String?PASSWORD="toor"; ????????? ????????public?static?void?main(String[]?args)throws?Exception?{ ????????? ????????//1.加載驅(qū)動程序 ????????Class.forName("com.mysql.jdbc.Diver"); ????????//2.獲得數(shù)據(jù)庫的連接 ????????Connection?conn=DriverManager.getConnection(URL,?USER,?PASSWORD); ????????//3.通過數(shù)據(jù)庫的連接操縱數(shù)據(jù)庫，實(shí)現(xiàn)增刪查改 ????????Statement?stmt?=?conn.createStatement(); ????????ResultSet?rs=stmt.executeQuery("select?user_name,age?from?imooc_goddess"); ????????? ????????while(rs.next()){ ????????????System.out.println(rs.getString("user_name")+","+rs.getString("age")); ????????} ????} }