PreparedStatement pstmt = con.prepareStatement("UPDATE EMPLOYEES
SET SALARY = ? WHERE ID = ?");
pstmt.setBigDecimal(1, 153833.00)
pstmt.setInt(2, 110592)
String sql = "update web_admin set adminname=? ,password=? where id=?;怎么给“？” 传值？
原文：http://www.cnblogs.com/zzzzw/p/4447018.html