SpringMVC - 环境搭建

一、 MVC介绍

M(model) : 数据层。有两种数据，第一种java实体类，第二种dao

V(view) : 视图层。HTML，jsp页面等。

C(Controller) : 控制层。

二、SpringMVC的环境搭建

1.创建maven工程

2.引入SpringMVC依赖


<dependencies>
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.1</version>
</dependency>

<!-- SpringMVC -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>5.3.1</version>
</dependency>

<!-- 日志 -->
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>1.2.3</version>
</dependency>

<!-- ServletAPI -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>

<!-- Spring5和Thymeleaf整合包 -->
<dependency>
<groupId>org.thymeleaf</groupId>
<artifactId>thymeleaf-spring5</artifactId>
<version>3.0.14.RELEASE</version>
</dependency>
</dependencies>

3.将依赖打包成war包

<packaging>war</packaging>

在web.xml下配置DispatcherServlet前端调度器

 <servlet>
<servlet-name>dispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>dispatcherServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>

在DispatcherServlet中设置springmvc的配置文件路径。默认是在工程路径下,文件名必须为springmvc-servelt

<!--   设置spirngmvc的路径     -->
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:springmvc.xml</param-value>
</init-param>

<!--    设置在服务器启动时加载    -->
<load-on-startup>1</load-on-startup>
</init-param>

5.设置spirngmvc配置文件

设置thymeleaf视图解析器

  <!--    配置thymeleaf视图模板 -->
<bean id="viewResolver" class="org.thymeleaf.spring5.view.ThymeleafViewResolver">
<property name="order" value="1"/>
<property name="characterEncoding" value="UTF-8"/>
<property name="templateEngine">
<bean class="org.thymeleaf.spring5.SpringTemplateEngine">
<property name="templateResolver">
<bean class="org.thymeleaf.spring5.templateresolver.SpringResourceTemplateResolver">

<!-- 视图前缀 -->
<property name="prefix" value="/WEB-INF/templates/"/>

<!-- 视图后缀 -->
<property name="suffix" value=".html"/>
<property name="templateMode" value="HTML5"/>
<property name="characterEncoding" value="UTF-8" />
</bean>
</property>
</bean>
</property>
</bean>

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SpringMVC - 环境搭建

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