String query="select * from tongxunlu where name=str";
ResultSet rs=s1.executeQuery("select * from tongxunlu ");//这里执行的时候又取全部数据了.
应该改成ResultSet rs=s1.executeQuery(query);
ResultSet rs=s1.executeQuery("select * from tongxunlu ");//这里执行的时候又取全部数据了.
应该改成ResultSet rs=s1.executeQuery(query);
ResultSet rs=s1.executeQuery("select * from tongxunlu ");
不觉得很搞笑么楼主 呵呵
String query="select * from tongxunlu where name=" + str;