4.12

public ResultSet getDataByAny(String sql,Object obj[]) {//查
Connection conn=ConnMysql.getConn();
ResultSet rs=null;
try {
PreparedStatement ps=conn.prepareStatement(sql);
for(int i=0;i<obj.length;i++) {
ps.setObject(i+1, obj[i]);
}
rs=ps.executeQuery(sql);
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

return rs;
}