myeclipse中java的加减乘除运算

来源：百度知道 编辑：UC知道 时间：2024/07/07 20:53:08
我需先用myeclipse中的jsp页面来设置比率，例如上课作业、上课实训、平时考勤、平时实训占的比率各有25%，然后我又在另个页面中添加具体的分数（总分都为100）当我输入完毕后我希望得出最后的成绩。上课作业*25%+上课实训*25%+平时考勤*25%+平时实训*25%=总成绩。请各位高手们帮帮忙。老师在催我们赶快了。

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String a1,a2,a3,a4,s1,s2,s3,s4;
double va1,va2,va3,va4,vs1,vs2,vs3,vs4,total;
va1=va2=va3=va4=vs1=vs2=vs3=vs4=total=0.0;
a1 = request.getParameter("t1");
a2 = request.getParameter("t2");
a3 = request.getParameter("t3");
a4 = request.getParameter("t4");
s1 = request.getParameter("s1");
s2 = request.getParameter("s2");
s3 = request.getParameter("s3");
s4 = request.getParameter("s4");
if(a1!=null)
{
try
{
va1 = Double.parseDouble(a1);
va2 = Double.parseDouble(a2);
va3 = Double.parseDouble(a3);
va4 = Double.parseDouble(a4);
vs1 = Double.parseDouble(s1);
vs2 = Double.parseDouble(s2);
vs3 = Double.parseDouble(s3);
vs4 = Double.parseDouble(s4);
total = va1/100