Spring与SpringMVC整合

淩亂°似流年 2021-12-03 05:17 333阅读 0赞

### 文章目录 ###

*  Spring与SpringMVC整合
 *   *   *  Springmvc中的配置
         *  Spring中的配置
         *  web.xml中配置

# Spring与SpringMVC整合 #

> Spring容器是Springmvc容器的父容器。因此在Springmvc容器中是可以访问到Spring容器中的bean,而在Spring中是无法访问到Springmvc所定义的bean。在Web开发中，Controller层一般都用Springmvc来扫描，其余全在Spring容器中。

最佳实践：

Controller在Springmvc中扫描，视图解析器等在Springmvc中配置。

Spring中扫描Service和Dao层以及其他组件，事务定义，数据源定义都在Spring中配置。

### Springmvc中的配置 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0Z6eGV5_size_16_color_FFFFFF_t_70]

### Spring中的配置 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0Z6eGV5_size_16_color_FFFFFF_t_70 1]

### web.xml中配置 ###

<?xml version="1.0" encoding="UTF-8"?>
    <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
    	<display-name>test</display-name>
    	
    	<context-param>
    		<param-name>contextConfigLocation</param-name>
    		<param-value>classpath:applicationContext.xml</param-value>
    	</context-param>
    	<listener>
    		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    	</listener>
    	<servlet>
    		<servlet-name>springmvc</servlet-name>
    		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    		<init-param>
    			<param-name>contextConfigLocation</param-name>
    			<param-value>classpath:spring-servlet.xml</param-value>
    		</init-param>
    	</servlet>
    	<servlet-mapping>
    		<servlet-name>springmvc</servlet-name>
    		<url-pattern>/</url-pattern>
    	</servlet-mapping>
    	<filter>
    		<filter-name>encoding</filter-name>
    		<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    		<init-param>
    			<param-name>encoding</param-name>
    			<param-value>UTF-8</param-value>
    		</init-param>
    		<init-param>
    			<param-name>forceRequestEncoding</param-name>
    			<param-value>true</param-value>
    		</init-param>
    		<init-param>
    			<param-name>forceResponseEncoding</param-name>
    			<param-value>true</param-value>
    		</init-param>
    	</filter>
    	<filter-mapping>
    		<filter-name>encoding</filter-name>
    		<url-pattern>/*</url-pattern>
    	</filter-mapping>
    </web-app>

--------------------

以上

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