我有一個問題,我無法找到答案。Servlet在春季提交後無法訪問POST方法
通常情況下,我會使用IDE設置的所有內容作爲默認設置,但通過使用Spring MVC的要求,我必須刪除applicationContext.xml
和dispatcher-servlet.xml
以符合標準。當我做到這一點時,它停止工作,因爲web.xml
文件,但我設法得到Servlet的GET方法,但在我使用POST方法的時候,它拋出「請求的資源不可用」。錯誤。
如何在不顯示此錯誤的情況下使用POST方法?
這是我的index.jsp文件
<%@taglib prefix="sql" uri="http://java.sun.com/jsp/jstl/sql"%>
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Ejercicio usando FORM sin AJAX</title>
<link href="../css/bootstrap.min.css" rel="stylesheet">
<link rel="stylesheet" type="text/css" href="../css/main.css">
</head>
<body>
<nav class="navbar navbar-inverse navbar-fixed-top">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-controls="navbar">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="./">Ejercicio</a>
</div>
<div id="navbar" class="collapse navbar-collapse">
<ul class="nav navbar-nav">
</ul>
</div>
</div>
</nav>
<div class="container">
<div class="col-md-12">
<h1>Ejercicio 1:- Usando Form y Action sin Ajax</h1>
</div>
<form action="../app/modulo/RecibirDatos.do" method="POST" id="form">
<div class="form-group col-md-6">
<label for="nombre">Nombre: </label>
<input type="text" name="nombre" id="nombre" class="form-control" placeholder="Inserte el nombre">
</div>
<div class="form-group col-md-6">
<label for="apellido">Apellido: </label>
<input type="text" name="apellido" id="apellido" class="form-control" placeholder="Inserte el apellido">
</div>
<input type="submit" value="Submit" class="btn btn-primary btn-block">
</form>
</div>
<script type="text/javascript" src="../js/jquery-3.2.1.js"></script>
<script type="text/javascript" src="../js/bootstrap.min.js"></script>
<script type="text/javascript" src="../js/bootbox.min.js"></script>
<script type="text/javascript" src="../js/main.js"></script>
</body>
</html>
這是我的servlet文件
package data.servlet;
import data.dataAccessObject.ManipulaPersona;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class RecibirDatos extends HttpServlet {
@Override
protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// Overriding service() usually isn't needed. - The default implementation mostly
// does the right thing®
super.service(request, response);
}
/**
* Handles the HTTP <code>GET</code> method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
}
/**
* Handles the HTTP <code>POST</code> method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
ManipulaPersona mp = new ManipulaPersona();
mp.crearPersona(request.getParameter("nombre"), request.getParameter("apellido"));
request.setAttribute("persona", mp.obtenerPersona());
request.getRequestDispatcher("../Views/resultado.jsp").forward(request, response);
}
/**
* Returns a short description of the servlet.
*
* @return a String containing servlet description
*/
@Override
public String getServletInfo() {
return "Short description";
}
}
,這是我的web.xml文件:
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.1" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd">
<context-param>
<param-name></param-name>
<param-value></param-value>
</context-param>
<!-- <listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<servlet>
<servlet-name>dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>2</load-on-startup>
</servlet> -->
<servlet>
<servlet-name>Inicio</servlet-name>
<servlet-class>data.servlet.Inicio</servlet-class>
</servlet>
<servlet>
<servlet-name>RecibirDatos</servlet-name>
<servlet-class>data.servlet.RecibirDatos</servlet-class>
</servlet> <!--
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>*.lol</url-pattern>
</servlet-mapping> -->
<servlet-mapping>
<servlet-name>Inicio</servlet-name>
<url-pattern>/Inicio</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>RecibirDatos</servlet-name>
<url-pattern>/app/modulo/RecibirDatos.do</url-pattern>
</servlet-mapping>
<session-config>
<session-timeout>
30
</session-timeout>
</session-config>
<welcome-file-list>
<welcome-file>Inicio</welcome-file>
</welcome-file-list>
</web-app>
請檢查並讓我們知道RecibirDatos類中的doPost()是否被調用? – Mudassar
另外我有點好奇你是如何構建該項目,因爲你正在使用.. /撥打電話 – Mudassar