我的网络服务器有问题。我需要介绍参数，并在课堂上介绍计算后使用该值。计算后，我需要按ok按钮后显示该值
package CalculatorOnline;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@WebServlet("/TestCalc")
public class TestCalc extends HttpServlet {
private static final long serialVersionUID = 1L;
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
int Prescale = Integer.parseInt(request.getParameter("prescaler"));
int TimerMO = Integer.parseInt(request.getParameter("timermode"));
long TTTicks = Integer.parseInt(request.getParameter("ttticks"));
double Freq = Integer.parseInt(request.getParameter("freq"));
System.out.println("Frecventa:"+ Freq);
System.out.println("Prescaler:"+ Prescale);
System.out.println("TimerMod:"+ TimerMO);
System.out.println("TotalTimerTicks"+ TTTicks);
TestLabclass temp = new TestLabclass();
temp.setFreq(Freq);
temp.setPrescaler(Prescale);
temp.setTTTicks(TTTicks);
PrintWriter out = response.getWriter();
double TimeU2 = temp.getTimeU();
double RealT = temp.getRealT();
out.println("Timpului pina la umplere : "+ TimeU2);
out.println("Real time per tick : "+ RealT);
}
}
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<form name="Frec input" action="TestLab">
<p> <label>FREQUENCY</label>
<input type="number" name="freq" id="quantity" />
<label>Total Timer Ticks</label>
<input type="number" name="ttticks" id="quantity" />
<label>Prescaler</label>
<select name="prescaler">
<option value="0">No clock source</option>
<option value="1">No Prescaling</option>
<option value="8">clkI/O/8</option>
<option value="64">clkI/O/64</option>
<option value="256">clkI/O/256</option>
<option value="1024">clkI/O/1024</option>
</select>
<label>Mode</label>
<select name="timermode">
<option value="0">Normal</option>
<option value="1">PWM</option>
<option value="2">CTC</option>
<option value="3">Fast PWM</option>
</select>
<input type="submit" value="ok" />
</p>
</form>
</body>
</html>
我正在介绍我需要的所有数据，然后按“确定”按钮后出现404错误。我的输出参数未显示
classfile
package CalculatorOnline;
class TestLabclass {
double Freq; // frequency
double TimeU; // overflow time
double RealT; //real time per tick
int Prescaler;
long TTTicks;
long OverFlowCount;
public TestLabclass()
{
Freq = 0;
TimeU = 0;
RealT = 0;
Prescaler = 0;
TTTicks = 0;
OverFlowCount = 0;
}
public double getFreq()
{
return Freq;
}
public void setFreq(double Freq)
{
this.Freq = Freq;
}
public int getPrescaler()
{
return Prescaler;
public void setPrescaler(int Prescaler)
{
this.Prescaler = Prescaler;
}
public long getTTTicks()
{
return TTTicks;
}
public void setTTTicks(long TTTicks)
{
this.TTTicks = TTTicks;
}
public double getRealT() {
return TTTicks/(Freq/Prescaler);
}
public void setRealT(double RealT)
{
this.RealT = RealT;
}
public void setOverFlowCount(long OverFlowCount)
{
this.OverFlowCount = OverFlowCount;
}
public long getOverFlowCount()
{
return TTTicks/256;
}
public double getTimeU()
{
return RealT*(TTTicks - (OverFlowCount * 256));
}
public void setTimeU(double TimeU)
{
this.TimeU = TimeU;
}
}
action应该与@WebServlet("/TestCalc")中声明的名称匹配>
替换
<form name="Frec input" action="TestLab">with
<form name="Frec input" action="TestCalc">或用
@WebServlet("/TestCalc")替换@WebServlet("/TestLab")