test.jsp
<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>
计算 <%
String strA=request.getParameter("a");
String strB=request.getParameter("b");
if(strA!=null&&strB!=null&&strA!=""&&strB!=""){
if(!strB.equals("0"))
{
double b=Integer.parseInt(strB);
double a=Integer.parseInt(strA);
out.print("c="+(a/b));
}
else
{
response.sendRedirect("error.html");
}
}
%>
error.html
错误页面被除数不能为0
