如题,我想把查询一列的结果放到一个String中,该怎么做呢?
我不会用Vector,HashMap,Hashtable这些了, 请给出详细代码嘛,谢谢 .
PreparedStatement stat =con.prepareStatement("select cStudentNo from BasicInfo ");
ResultSet rs=stat.executeQuery();
我不会用Vector,HashMap,Hashtable这些了, 请给出详细代码嘛,谢谢 .
PreparedStatement stat =con.prepareStatement("select cStudentNo from BasicInfo ");
ResultSet rs=stat.executeQuery();
PreparedStatement stat =con.prepareStatement( "select cStudentNo from BasicInfo ");
ResultSet rs=stat.executeQuery();
String str = null;
if(rs.next()){
str=rs.getString("cStudentNo")
}
......
我没有说清楚了.是把结果存入到一个String数组了.
ResultSet rs=stat.executeQuery();
List<String>l=new Vector<String>();
if(rs.next()){
l.add(rs.getString("cStudentNo"));
}