springmvc 初步

1,新建maven工程

maven update

如没有在下新建 java目录和test/java 目录然后maven update

如果 index.jsp 出现 javax.servlet.http.HttpServlet 错误

2,打开pom.xml 输入spring mvc 和jedis需要的jar包

(1) 修改之前可以更换下载的镜像地址，以增加下载速度，此处用的是阿里的镜像

打开F:\apache-maven-3.3.9\conf\settings.xml;

<mirror>
<id>alimaven</id>
<name>aliyun maven</name>
　　<url>http://maven.aliyun.com/nexus/content/groups/public/</url>
<mirrorOf>central</mirrorOf>
</mirror>

(2)pom.xml 添加

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<groupId>com.shaw.demo</groupId>
	<artifactId>jedis-demo</artifactId>
	<packaging>war</packaging>
	<version>0.0.1-SNAPSHOT</version>
	<name>jedis-demo Maven Webapp</name>
	<url>http://maven.apache.org</url>

	<properties>
		<spring.version>4.2.4.RELEASE</spring.version>
		<jedis.version>2.8.1</jedis.version>
		<slf4j.version>1.7.7</slf4j.version>
		<log4j.version>1.2.17</log4j.version>
		<mysql.version>5.1.34</mysql.version>
		<mybatis.version>3.2.8</mybatis.version>
		<validationhibernate.version>4.0.2.GA</validationhibernate.version>
		<validationapi.version>1.0.0.GA</validationapi.version>
		<apache.commons.version>2.6</apache.commons.version>
	</properties>
	<dependencies>
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>3.8.1</version>
			<scope>test</scope>
		</dependency>

		<!-- jedis -->
		<dependency>
			<groupId>redis.clients</groupId>
			<artifactId>jedis</artifactId>
			<version>${jedis.version}</version>
		</dependency>
		<!-- spring核心包 -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-core</artifactId>
			<version>${spring.version}</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-web</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-oxm</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-tx</artifactId>
			<version>${spring.version}</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-jdbc</artifactId>
			<version>${spring.version}</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-webmvc</artifactId>
			<version>${spring.version}</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-aop</artifactId>
			<version>${spring.version}</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-context-support</artifactId>
			<version>${spring.version}</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-test</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<!-- mybatis核心包 -->
		<dependency>
			<groupId>org.mybatis</groupId>
			<artifactId>mybatis</artifactId>
			<version>${mybatis.version}</version>
		</dependency>
		<!-- mybatis/spring包 -->
		<dependency>
			<groupId>org.mybatis</groupId>
			<artifactId>mybatis-spring</artifactId>
			<version>1.2.2</version>
		</dependency>
		<!-- 导入Mysql数据库链接jar包 -->
		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
			<version>5.1.30</version>
		</dependency>
		<!-- 导入dbcp的jar包，用来在applicationContext.xml中配置数据库 -->
		<dependency>
			<groupId>commons-dbcp</groupId>
			<artifactId>commons-dbcp</artifactId>
			<version>1.2.2</version>
		</dependency>
		<!-- JSTL标签类 -->
		<dependency>
			<groupId>jstl</groupId>
			<artifactId>jstl</artifactId>
			<version>1.2</version>
		</dependency>
		<!-- 日志文件管理包 -->
		<!-- log start -->
		<dependency>
			<groupId>log4j</groupId>
			<artifactId>log4j</artifactId>
			<version>${log4j.version}</version>
		</dependency>


		<!-- 格式化对象，方便输出日志 -->
		<dependency>
			<groupId>com.alibaba</groupId>
			<artifactId>fastjson</artifactId>
			<version>1.1.41</version>
		</dependency>
		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-api</artifactId>
			<version>${slf4j.version}</version>
		</dependency>
		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-log4j12</artifactId>
			<version>${slf4j.version}</version>
		</dependency>
			<!-- 映入JSON -->
			<dependency>
				<groupId>org.codehaus.jackson</groupId>
				<artifactId>jackson-mapper-asl</artifactId>
				<version>1.9.13</version>
			</dependency>
			<!-- 上传组件包 -->
			<dependency>
				<groupId>commons-fileupload</groupId>
				<artifactId>commons-fileupload</artifactId>
				<version>1.3.1</version>
			</dependency>
			<dependency>
				<groupId>commons-io</groupId>
				<artifactId>commons-io</artifactId>
				<version>2.4</version>
			</dependency>
			<dependency>
				<groupId>commons-codec</groupId>
				<artifactId>commons-codec</artifactId>
				<version>1.9</version>
			</dependency>

			<!-- apache -->
			<dependency>
				<groupId>commons-lang</groupId>
				<artifactId>commons-lang</artifactId>
				<version>${apache.commons.version}</version>
			</dependency>

		<dependency>
			<groupId>javax.validation</groupId>
			<artifactId>validation-api</artifactId>
			<version>${validationapi.version}</version>
		</dependency>
		<dependency>
			<groupId>org.hibernate</groupId>
			<artifactId>hibernate-validator</artifactId>
			<version>${validationhibernate.version}</version>
		</dependency>

	</dependencies>
	<build>
		<finalName>jedis-demo</finalName>
	</build>
</project>

里面有些许的冗余暂就不做删除了。

(2),修改web.xml

<?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" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
         version="2.5">


    <display-name>web项目</display-name>
    
   	<context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:/spring/spring-context.xml</param-value>
    </context-param>
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <listener>
		<listener-class>org.springframework.web.context.request.RequestContextListener</listener-class>
	</listener>
    
    <!-- ################################################ -->
    <!-- Spring mvc 配置段 -->
    <!-- ################################################ -->
    <servlet>
        <description>spring mvc servlet</description>
        <servlet-name>DispatcherServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <description>spring mvc 配置文件</description>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:spring/spring-mvc.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet-mapping>
        <servlet-name>DispatcherServlet</servlet-name>
        <url-pattern>*.do</url-pattern>
    </servlet-mapping>
    
    <!-- ################################################ -->
    <!-- 设置项目编码部分 -->
    <!-- ################################################ -->
    <filter>
        <filter-name>encodingFilter</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>forceEncoding</param-name>
            <param-value>true</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>encodingFilter</filter-name>
        <url-pattern>*</url-pattern>
    </filter-mapping>
	 
    <error-page>
		<error-code>404</error-code>
		<location>/error/404.html</location>
	</error-page>
	<welcome-file-list>
		<welcome-file>index.jsp</welcome-file>
	</welcome-file-list>
</web-app>

(3) 新建spring-mvc

<?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"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
		http://www.springframework.org/schema/beans/spring-beans.xsd
       	http://www.springframework.org/schema/context 
       	http://www.springframework.org/schema/context/spring-context.xsd
       	http://www.springframework.org/schema/mvc 
       	http://www.springframework.org/schema/mvc/spring-mvc.xsd"
       default-lazy-init="true">
	<!-- 自动扫描该包，使SpringMVC认为包下用了@controller注解的类是控制器 -->
	<context:component-scan base-package="com.shaw.demo.controller" />
	
     <mvc:annotation-driven/>	
	
	<!-- 启动SpringMVC的注解功能，完成请求和注解POJO的映射 -->
	<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
       <property name="webBindingInitializer">
           <bean class="org.springframework.web.bind.support.ConfigurableWebBindingInitializer">
               <property name="validator" ref="validator" />
           </bean>
       </property>
   </bean>
    
   <bean id="validator" class="org.springframework.validation.beanvalidation.LocalValidatorFactoryBean" />
	     <bean id="jspViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
          <property name="cache" value="false"/>
	      <property name="prefix" value="/WEB-INF/jsp/" />
		  <property name="suffix" value=".jsp" />
          <property name="contentType" value="text/html;charset=UTF-8"/>
          <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" />
          <property name="order" value="0"/>
    </bean>
	
	<!-- 定义跳转的文件的前后缀 ，视图模式配置-->

	
	<!-- 配置文件上传，如果没有使用文件上传可以不用配置，当然如果不配，那么配置文件中也不必引入上传组件包 -->
	<bean id="multipartResolver"  
        class="org.springframework.web.multipart.commons.CommonsMultipartResolver">  
        <!-- 默认编码 -->
        <property name="defaultEncoding" value="utf-8" />  
        <!-- 文件大小最大值 -->
        <property name="maxUploadSize" value="10485760000" />  
        <!-- 内存中的最大值 -->
        <property name="maxInMemorySize" value="40960" />  
    </bean> 


</beans>

(4),新建spring-context

<?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:p="http://www.springframework.org/schema/p"
	xsi:schemaLocation="http://www.springframework.org/schema/cache http://www.springframework.org/schema/cache/spring-cache.xsd
		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">  
	<!-- 采用注释的方式配置bean -->
	<context:annotation-config />
	<!-- 配置要扫描的包 -->
	<context:component-scan base-package="com.shaw.demo" />
	
	<!-- 读入配置属性文件 -->
	<!-- <context:property-placeholder location="classpath:public_system.properties" /> -->
	

	
</beans>

(5) 新建controller

此处即可访问http://localhost:8080/jedis-demo/index/toIndex.do

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