據說，現在springmvc火了，好多企業都在使用，既然這樣，咱們也得會點，于是乎就開始自學了，通過找資料，終于做出來了一個簡單案例，這里分享供大家瀏覽，主要分為以下幾個步驟：

一、springmvc是一個mvc框架,通過mvc很好的將數據、業務、表現進行分離
二、springmvc是圍繞DispatcherServlet展開的，由DispatcherServlet負責將請求派發到特定的handler
springmvc框架搭建步驟：
?? ?1.創建項目，拷貝springmvc相關的jar包。
?? ?2.配置web.xml主要配置前端控制器DispatcherServlet
?? ???

<servlet><servlet-name>springmvc</servlet-name><servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class></servlet><servlet-mapping><servlet-name>springmvc</servlet-name><url-pattern>*.do</url-pattern></servlet-mapping>

?? ?3.在web-inf下創建springmvc配置文件，[servletname]-servlet.xml,文件名必須是springmvc-servlet.xml
?? ?4.配置HandlerMapping映射，根據beanname找到對應的Controller（可以省略）
?? ??? <bean class="org.springframework.web.servlet.mvc.support.ControllerBeanNameHandlerMapping">
?? ?5.創建jsp頁面，需要請求發出請求的頁面
?? ?6.創建Controller,繼承AbstractController，重寫handleRequestInternal(HttpServletRequest request,
?? ??? ??? ?HttpServletResponse response)
?? ??? //返回數據和頁面@Overrideprotected ModelAndView handleRequestInternal(HttpServletRequest request,HttpServletResponse response) throws Exception {String hello = request.getParameter("file");System.out.println(hello);ModelAndView modelAndView = new ModelAndView("welcome"); //返回到的頁面modelAndView.addObject("helloword",hello); //返回值return modelAndView;}

?? ?7.配置視圖解析器
?? <!-- 配置視圖解析器 --><bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"><!-- 配置前綴和后綴 --><property name="prefix" value="/"></property><!-- 后綴 --><property name="suffix" value=".jsp"></property></bean>
下面我把源碼放上來吧；

??? web.xml里面的配置：
?? ??? ?

<?xml version="1.0" encoding="UTF-8"?> <web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"><display-name></display-name> <welcome-file-list><welcome-file>index.jsp</welcome-file></welcome-file-list><servlet><servlet-name>springmvc</servlet-name><servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class><init-param><param-name>contextConfigLocation</param-name><param-value>/WEB-INF/pringMVC-servlet.xml</param-value></init-param><load-on-startup>1</load-on-startup></servlet><servlet-mapping><servlet-name>springmvc</servlet-name><url-pattern>*.do</url-pattern></servlet-mapping> </web-app>
Springmvc里面的配置：

<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns:context="http://www.springframework.org/schema/context"xmlns:mvc="http://www.springframework.org/schema/mvc"xmlns:p="http://www.springframework.org/schema/p"xmlns:tx="http://www.springframework.org/schema/tx"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsdhttp://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsdhttp://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd"><!-- 配置HandlerMapping映射，根據beanname找到對應的Controller --><bean class="org.springframework.web.servlet.mvc.support.ControllerBeanNameHandlerMapping"></bean><!-- 配置Controller --><bean id="hello.do" class="org.controller.HelloController"></bean><!-- 配置視圖解析器 --><bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"><!-- 配置前綴和后綴 --><property name="prefix" value="/"></property><!-- 后綴 --><property name="suffix" value=".jsp"></property></bean> </beans>
??? HelloController控制器里面的代碼：

/** * @Title: HelloController.java* @Package org.controller* @Description: TODO該方法的主要作用：* @author A18ccms A18ccms_gmail_com * @date 2017-8-30 下午8:38:53* @version V1.0 */package org.controller;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.springframework.web.servlet.ModelAndView;import org.springframework.web.servlet.mvc.AbstractController;/** * * 項目名稱：springmvc_day1 * 類名稱：HelloController * 類描述： 控制器* 創建人：Mu Xiongxiong * 創建時間：2017-8-30 下午8:38:54 * 修改人：Mu Xiongxiong * 修改時間：2017-8-30 下午8:38:54 * 修改備注： * @version * */public class HelloController extends AbstractController {@Overrideprotected ModelAndView handleRequestInternal(HttpServletRequest request,HttpServletResponse response) throws Exception {String hello = request.getParameter("file");System.out.println(hello);ModelAndView modelAndView = new ModelAndView("/welcome"); //返回到的頁面modelAndView.addObject("helloword",hello); //返回值return modelAndView;}}
index.jsp里面的代碼：

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html><head><base href="<%=basePath%>"><title>My JSP 'index.jsp' starting page</title><meta http-equiv="pragma" content="no-cache"><meta http-equiv="cache-control" content="no-cache"><meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"><meta http-equiv="description" content="This is my page"><!--<link rel="stylesheet" type="text/css" href="styles.css">--></head><body><form action="hello.do" method="post">hello:<input type="text" name="file"/><br/><input type="submit" value="提交"/></form></body> </html>
welcome.jsp的代碼：

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html><head><base href="<%=basePath%>"><title>My JSP 'index.jsp' starting page</title><meta http-equiv="pragma" content="no-cache"><meta http-equiv="cache-control" content="no-cache"><meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"><meta http-equiv="description" content="This is my page"><!--<link rel="stylesheet" type="text/css" href="styles.css">--></head><body>hello:${helloword }</body> </html>
最后看一下目錄對應關系：

運行看welcome.jsp頁面：

運行完畢，遇到的問題：

Springmvc中提交from之后不跳轉不進控制器
?Could not open ServletContext resource [/WEB-INF/springmvc-servlet.xml]【解決方案】

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