📄 interestservlet.java

📁 网路编程一些函数的使用方法

💻 JAVA

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import javax.servlet.*;import javax.servlet.http.*;import java.io.*;public class InterestServlet extends HttpServlet {        public void service(HttpServletRequest req,HttpServletResponse res) {        try {            PrintWriter out = res.getWriter();            String rate = req.getParameter("rate");            String amt = req.getParameter("amt");            double d_rate = Double.parseDouble(rate);            double d_amt = Double.parseDouble(amt);            double d_result = d_amt * d_rate/100;            out.println("<html><body>");            out.println(req.getParameter("name")+", your interest rate is " +d_result);            out.println("</html></body>");            out.close();        }catch(Exception ex) {            ex.printStackTrace();        }    }}

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