【jsp】刷新父页面

function fePage(){
var grade = document.forms[0].recruitYear.value;
document.forms[0].action = 'tutorApplyforAction.do?grade='+grade;
document.forms[0].submit();
}
//后台action代码:
        PrintWriter out = response.getWriter();
        response.setContentType("text/html; charset=GBK");
        out.println("<script language='javascript'>");
        out.println("alert('新增成功！');");
        out.println("window.opener.fePage();");
        out.println("window.close();");


        out.println("</script>");
        out.close();