Spring+Spring MVC+Hibernate环境搭配

2021-12-06 22:28:40

Spring+Spring MVC+Hibernate简称"SSH"。Spring容器是Spring的核心，该容器负责管理spring中的java组件。Spring的核心机制：依赖注入。Hibernate是一个不错的ORM(关系对象映射)框架。Spring+Spring MVC+Hibernate环境搭配步骤：

1、搭建Spring+Hibernate环境（跟ssh搭建步骤一致）

（1）加入Spring+Hibernate的架包。

2、搭建SpringMVC环境
（ 1）添加Springmvc依赖包:spring-webmvc.jar
（2）配置web.xml

<?xml version="1.0" encoding="UTF-8"?>

<web-app version="2.5"

    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_2_5.xsd">

    <!-- spring监听器： -->

    <listener>

    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>

    </listener>

    <!-- 指定spring文件路径 -->

    <context-param>

    <param-name>contextConfigLocation</param-name>

    <param-value>classpath:applicationContext.xml</param-value>

    </context-param>

    <!-- =====================配置spring mvc  Start================================= -->

    <servlet>

    <servlet-name>SpringMVC</servlet-name>

    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

    <!--配置springmvc路劲-->

    <init-param>

    <param-name>contextConfigLocation</param-name>

    <param-value>classpath:springmvc.xml</param-value>

    </init-param>

    <!--    >=0代表web容器启动的时候加载servlet(数字代表优先级)    -->

    <load-on-startup>1</load-on-startup>

    </servlet>

    <servlet-mapping>

    <servlet-name>SpringMVC</servlet-name>

    <url-pattern>*.do</url-pattern>

    </servlet-mapping>

  <welcome-file-list>

    <welcome-file>index.jsp</welcome-file>

  </welcome-file-list>

</web-app>

（3）配置springmvc.xml

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

    xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"

    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

    xsi:schemaLocation="http://www.springframework.org/schema/beans

           http://www.springframework.org/schema/beans/spring-beans-2.5.xsd

           http://www.springframework.org/schema/context

           http://www.springframework.org/schema/context/spring-context-2.5.xsd

           http://www.springframework.org/schema/tx

           http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">

    <!--    SpringMVC的配置规则和Spring是一样的：无缝集成    -->

    <!--    配置视图    -->

    <bean id="internalView"

        class="org.springframework.web.servlet.view.InternalResourceViewResolver">

        <!--    配置视图前缀    -->

        <!--        <property name="prefix" value="WEB-INF/jsp/" />-->

        <property name="prefix" value="/" />

        <!--    配置视图后缀    -->

        <property name="suffix" value=".jsp" />

    </bean>

    <!--    配置URL映射    -->

    <bean id="urlMpping"

        class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">

        <property name="mappings">

            <props>

                <prop key="userController.do">userController</prop>

                <prop key="perpoController.do">perpoController</prop>

                <prop key="multiMethodController.do">multiMethodController</prop>

            </props>

        </property>

    </bean>

    <!--    多方法调用规则    -->

    <bean id="parameterMethod"

        class="org.springframework.web.servlet.mvc.multiaction.ParameterMethodNameResolver">

        <!--    value随意；但是还是要有一定意义    -->

        <property name="paramName" value="method" />

    </bean>

    <!--    将控制器交由Spring容器管理    -->

    <bean id="userController" class="com.ssh.SpringMVC.controller.UserController"></bean>

    <bean id="perpoController" class="com.ssh.SpringMVC.controller.PerpoController"></bean>

    <!--    一个controllet中配置多个方法    -->

    <bean id="multiMethodController" class="com.ssh.SpringMVC.controller.MultiMenthodController">

        <!--    注入多方法调用规则    -->

        <property name="methodNameResolver" ref="parameterMethod"></property>

    </bean>

</beans>

登入页面：

<%@ 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 'MyJsp.jsp' starting page</title>

  </head>

  <body>

        <form action="multiMethodController.do?method=update" method="post">

            <input type="text" name="username" />

            <input type="submit"  />

        </form>

  </body>

</html>

表单提交处理MultiMenthodController.java文件

package com.msit.springmvc.controller;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.ModelAndView;

import org.springframework.web.servlet.mvc.multiaction.MultiActionController;

public class MultiMenthodController extends MultiActionController {

    /**

     * url:http://localhost:8080/SpringMVCDay1/multiMethodController.do?method=login

     * @return

     */

    public ModelAndView login(HttpServletRequest request,HttpServletResponse response) {

        System.out.println("这里是login方法"+request.getParameter("username"));

        return new ModelAndView("MyJsp");

    }

    public ModelAndView update(HttpServletRequest request,HttpServletResponse response) {

        System.out.println("这里是update方法");

        return new ModelAndView("MyJsp");

    }

}

效果图：

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