String query="select * from s where SID='01'";
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection conn = DriverManager.getConnection
("jdbc:odbc:login","sa","sa");
Statement stmt=conn.createStatement();
ResultSet rs=stmt.executeQuery(query);
boolean more=rs.next();
if(more){
System.out.print("有记录");
}
else
System.out.print("无记录");
rs.close();
conn.close();
..............
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection conn = DriverManager.getConnection
("jdbc:odbc:login","sa","sa");
Statement stmt=conn.createStatement();
ResultSet rs=stmt.executeQuery(query);
boolean more=rs.next();
if(more){
System.out.print("有记录");
}
else
System.out.print("无记录");
rs.close();
conn.close();
..............
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货