bonusservlet.java
来自「J2EE 企业级培训教程,包含源码」· Java 代码 · 共 70 行
JAVA
70 行
import javax.servlet.*;import javax.servlet.http.*;import java.io.*;import javax.naming.*;import javax.rmi.PortableRemoteObject;import java.rmi.RemoteException;import Beans.*;import javax.ejb.*;import java.util.*;public class BonusServlet extends HttpServlet { CalcHome homecalc; Calc theCalculation; Bonus theBonus, record; public void init(ServletConfig config) throws ServletException{ try{ InitialContext ctx = new InitialContext(); Object objref = ctx.lookup("calcs"); homecalc = (CalcHome)PortableRemoteObject.narrow(objref, CalcHome.class); } catch (Exception NamingException) { NamingException.printStackTrace(); } } public void doGet (HttpServletRequest request, HttpServletResponse response ) throws ServletException, IOException { String socsec = null, retsocsec = null; int multiplier = 0; double calc = 0.0; PrintWriter out; response.setContentType("text/html"); String title = "EJB Example"; out = response.getWriter(); out.println("<HTML><HEAD><TITLE>"); out.println(title); out.println("</TITLE></HEAD><BODY>");//Retrieve Bonus and Social Security Information String strMult = request.getParameter("MULTIPLIER"); Integer integerMult = new Integer(strMult); multiplier = integerMult.intValue(); socsec = request.getParameter("SOCSEC"); try {//Calculate bonus double bonus = 100.00; theCalculation = homecalc.create();//Call session Bean theBonus = theCalculation.calcBonus(multiplier, bonus, socsec); record = theCalculation.getRecord(socsec);//Display data returned by session Bean out.println("<H1>Bonus Calculation</H1>"); out.println("<P>Soc Sec retrieved: " + record.getSocSec() + "<P>"); out.println("<P>Bonus Amount retrieved: " + record.getBonus() + "<P>"); out.println("</BODY></HTML>"); } catch (javax.ejb.DuplicateKeyException e) { String message = e.getMessage(); out.println("<H1>Bonus Calculation</H1>"); out.println("<P>Soc Sec passed in: " + socsec + "<P>"); out.println("<P>Multiplier passed in: " + multiplier + "<P>"); out.println("<P>" + message + "<P>"); out.println("</BODY></HTML>"); } catch (Exception CreateException) { CreateException.printStackTrace(); } }}⌨️ 快捷键说明
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