📄 sampleservlet4.java
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package ch7;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;import ch7.SampleBean1;
public class SampleServlet4 extends HttpServlet {
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=GB2312");
PrintWriter out = response.getWriter();
request.setCharacterEncoding("GB2312");
String sumincom = request.getParameter("sumincom");
String taxstart = request.getParameter("taxstart");
SampleBean1 splBean = new SampleBean1(); splBean.setSumincom(sumincom);
splBean.setTaxstart(taxstart);
splBean.calculate(); out.println("<html>");
out.println("<head><title>Servlet调用JavaBean</title></head>");
out.println("<body>");
out.println("<center>当月应缴个人所得税额为：<strong>"+splBean.getTax()+"元</strong><br>");
out.println("依法纳税是每个公民应尽的义务！</center>");
out.println("</body>");
out.println("</html>");
out.close();
}
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