package servlets; 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; /** * Servlet implementation class conversor_temperatura */ @WebServlet("/conversor_temperatura") public class Conversor extends HttpServlet { private static final long serialVersionUID = 1L; /** * @see HttpServlet#HttpServlet() */ public Conversor() { super(); // TODO Auto-generated constructor stub } /** * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) */ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { PrintWriter pw = response.getWriter(); pw.write("Hola desde el SERVLET. GET!"); } /** * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) */ protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String valorTemperatura = request.getParameter("valor"); String tipoTemperatura = request.getParameter("tipo_temperatura"); //Obtiene el writer de la respuesta y la guarda //en una variable "respuesta" PrintWriter respuesta = response.getWriter(); //convertir el valor a double double valorTemperaturaDouble; try { valorTemperaturaDouble = Double.parseDouble(valorTemperatura); }catch(Exception e){ respuesta.println(""); respuesta.print(""); respuesta.println("
"); respuesta.println(""); respuesta.println("