Can't convert java.lang.String to int?
String MMdriverid = "";
if (request.getParameter("driverid") !=null) {MMdriverid = (String)request.getParameter("driverid");}
String sql;
if (MMdriverid==""){
sql="select * from driver where rownum<11 ";
}
else{
sql="select * from driver where driverid<"+(MMdriverid-10)+" minus driverid<"+(MMdriverid-20) ;
}
怎么把字符串MMdriverid变为整形呢?在哪里改呢?!!