关于spring 3.0.5的<mvc:resources> 标签的使用

本文介绍SpringMVC中如何通过&lt;mvc:resources&gt;标签配置静态资源映射及位置,实现静态资源如JS、CSS等文件的有效访问。

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spring mvc 的<mvc;resources mapping="***" location="***">标签是在spring3.0.4出现的,主要是用来进行静态资源的访问。在spring3.0.4出来的时候spring还没有更新其schema所以在配置文件中有可能找不到<mvc:resources >标签,这个问题在spring3.0.5中已经解决,而且网上也有很多其他的解决方案,我在这里就不记录了。 

首先使用spring mvc需要配置其使用的servlet.在web.xml中: 
Java代码   收藏代码
  1. <servlet>  
  2.     <servlet-name>springMVC</servlet-name>  
  3.     <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>  
  4.     <load-on-startup>1</load-on-startup>  
  5.     </servlet>  
  6.   
  7.     <servlet-mapping>  
  8.         <servlet-name>springMVC</servlet-name>  
  9.         <url-pattern>/</url-pattern>  
  10.     </servlet-mapping>  

这里给 servlet-name定义的名称是springMVC,这样的话会在web-inf下spring会自动扫描一个XML文件名叫springMVC-servlet.xml文件,这里都是spring自动扫描的,如果你没有提供,将会报一个文件查找不到的异常。看了下org.springframework.web.servlet.DispatcherServlet加载这个文件的过程,貌似这个文件存放的地址也是可以进行设置的,具体怎么搞我还没有研究。 

由于spring mvc拦截了所有请求,所以当你设置 
引用
<servlet-mapping> 
<servlet-name>springMVC</servlet-name> 
<url-pattern>/</url-pattern> 
</servlet-mapping>

的时候会影响到静态资源文件的获取,这样就需要有这个标签来帮你分类完成获取静态资源的责任。 

springMVC-servlet.xml文件 
Java代码   收藏代码
  1. <?xml version="1.0" encoding="UTF-8"?>  
  2. <beans xmlns="http://www.springframework.org/schema/beans"    
  3.     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"    
  4.     xmlns:mvc="http://www.springframework.org/schema/mvc"  
  5.     xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd     
  6.     http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">     
  7.   
  8.     <mvc:resources mapping="/javascript/**" location="/static_resources/javascript/"/>  
  9.     <mvc:resources mapping="/styles/**" location="/static_resources/css/"/>  
  10.     <mvc:resources mapping="/images/**" location="/static_resources/images/"/>  
  11.     <mvc:default-servlet-handler />  
  12.       
  13.       
  14.     <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">  
  15.         <property name="prefix" value="/WEB-INF/views/"/>  
  16.         <property name="suffix" value=".jsp"/>  
  17.     </bean>  
  18.   
  19. </beans>  

这里可以看到我所有的页面引用到/styles/**的资源都从/static_resources/css里面进行查找。 

页面的一段静态资源访问的代码。 
Java代码   收藏代码
  1. <%@ taglib prefix="c" uri="http://java.sun.com/jstl/core"%>  
  2. <HTML>  
  3. <HEAD>  
  4.   <TITLE> ABCDEFG </TITLE>  
  5. <link type="text/css" rel="stylesheet" href="<c:url value='/styles/siteboard.css'/>">  
  6. ...  
  7. ...  
  8. ...  


可能这个标签的真谛就是为了引用资源的访问不会类似CONTROLLER一样被拦截,区分出关注的资源的访问,一般我们在springMVC里面的拦截都会配置为"/",拦截所有的。 
<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/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.3.12.RELEASE</version> <relativePath/> </parent> <groupId>KuCun2</groupId> <artifactId>KuCun2</artifactId> <version>0.0.1-SNAPSHOT</version> <configuration> <mainClass>com.kucun.DemoApplication</mainClass> <!-- 指定主类 --> </configuration> <packaging>war</packaging> <name>KuCun2</name> <description/> <properties> <webVersion>4.0</webVersion> <org.springframework.version>3.0.5.RELEASE</org.springframework.version> <guice.version>3.0-rc3</guice.version> <protobuf.version>3.21.12</protobuf.version> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <jackson-version>1.6.3</jackson-version> </properties> <dependencies> <dependency> <groupId>javax</groupId> <artifactId>javaee-api</artifactId> <version>8.0</version> <scope>provided</scope> </dependency> <dependency> <groupId>org.glassfish.web</groupId> <artifactId>javax.servlet.jsp.jstl</artifactId> <version>1.2.4</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-jpa</artifactId> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>8.0.33</version> <exclusions> <exclusion> <artifactId>protobuf-java</artifactId> <groupId>com.google.protobuf</groupId> </exclusion> </exclusions> </dependency> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <optional>true</optional> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> <exclusions> <exclusion> <artifactId>spring-boot-starter-security</artifactId> <groupId>org.springframework.boot</groupId> </exclusion> </exclusions> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> <exclusions> <exclusion> <artifactId>spring-boot-starter-tomcat</artifactId> <groupId>org.springframework.boot</groupId> </exclusion> </exclusions> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-tomcat</artifactId> <scope>provided</scope> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> <exclusions> <exclusion> <artifactId>jackson-datatype-jsr310</artifactId> <groupId>com.fasterxml.jackson.datatype</groupId> </exclusion> </exclusions> </dependency> <dependency> <groupId>com.fasterxml.jackson.datatype</groupId> <artifactId>jackson-datatype-jsr310</artifactId> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-core</artifactId> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-annotations</artifactId> </dependency> <dependency> <groupId>org.mindrot</groupId> <artifactId>jbcrypt</artifactId> <version>0.4</version> </dependency> <dependency> <groupId>com.google.protobuf</groupId> <artifactId>protobuf-java</artifactId> <version>${protobuf.version}</version> </dependency> <dependency> <groupId>org.yaml</groupId> <artifactId>snakeyaml</artifactId> <version>1.30</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-websocket</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-jpa</artifactId> </dependency> <dependency> <groupId>antlr</groupId> <artifactId>antlr</artifactId> <version>2.7.7</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>1.6.1</version> </dependency> <dependency> <groupId>dom4j</groupId> <artifactId>dom4j</artifactId> <version>1.6.1</version> </dependency> <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-core</artifactId> <version>4.1.4.Final</version> </dependency> <dependency> <groupId>org.hibernate.common</groupId> <artifactId>hibernate-commons-annotations</artifactId> <version>4.0.1.Final</version> </dependency> <dependency> <groupId>org.hibernate.javax.persistence</groupId> <artifactId>hibernate-jpa-2.0-api</artifactId> <version>1.0.1.Final</version> </dependency> <dependency> <groupId>org.javassist</groupId> <artifactId>javassist</artifactId> <version>3.15.0-GA</version> </dependency> <dependency> <groupId>org.jboss.logging</groupId> <artifactId>jboss-logging</artifactId> <version>3.1.0.GA</version> </dependency> <dependency> <groupId>org.jboss.spec.javax.transaction</groupId> <artifactId>jboss-transaction-api_1.1_spec</artifactId> <version>1.0.0.Final</version> </dependency> <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-entitymanager</artifactId> <version>4.1.4.Final</version> </dependency> <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-validator</artifactId> <version>4.2.0.Final</version> </dependency> <dependency> <groupId>xml-apis</groupId> <artifactId>xml-apis</artifactId> <version>1.4.01</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-orm</artifactId> <version>${org.springframework.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aop</artifactId> <version>${org.springframework.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> <version>${org.springframework.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>${org.springframework.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>${org.springframework.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-tx</artifactId> <version>${org.springframework.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-beans</artifactId> <version>${org.springframework.version}</version> </dependency> <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjweaver</artifactId> <version>1.6.8</version> </dependency> <dependency> <groupId>javax.transaction</groupId> <artifactId>jta</artifactId> <version>1.1</version> </dependency> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.7</version> <scope>test</scope> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>${org.springframework.version}</version> </dependency> <dependency> <groupId>commons-fileupload</groupId> <artifactId>commons-fileupload</artifactId> <version>1.2.2</version> </dependency> <dependency> <groupId>org.springframework.security</groupId> <artifactId>spring-security-web</artifactId> <version>3.2.5.RELEASE</version> </dependency> <dependency> <groupId>org.springframework.security</groupId> <artifactId>spring-security-core</artifactId> <version>3.2.5.RELEASE</version> </dependency> <dependency> <groupId>org.springframework.security</groupId> <artifactId>spring-security-acl</artifactId> <version>3.2.5.RELEASE</version> </dependency> <dependency> <groupId>org.springframework.security</groupId> <artifactId>spring-security-aspects</artifactId> <version>3.2.5.RELEASE</version> </dependency> <dependency> <groupId>org.springframework.security</groupId> <artifactId>spring-security-cas</artifactId> <version>3.2.5.RELEASE</version> </dependency> <dependency> <groupId>org.springframework.security</groupId> <artifactId>spring-security-config</artifactId> <version>3.2.5.RELEASE</version> </dependency> <dependency> <groupId>org.springframework.security</groupId> <artifactId>spring-security-crypto</artifactId> <version>3.2.5.RELEASE</version> </dependency> <dependency> <groupId>org.springframework.security</groupId> <artifactId>spring-security-ldap</artifactId> <version>3.2.5.RELEASE</version> </dependency> <dependency> <groupId>org.springframework.security</groupId> <artifactId>spring-security-openid</artifactId> <version>3.2.5.RELEASE</version> </dependency> <dependency> <groupId>org.springframework.security</groupId> <artifactId>spring-security-remoting</artifactId> <version>3.2.5.RELEASE</version> </dependency> <dependency> <groupId>org.springframework.security</groupId> <artifactId>spring-security-taglibs</artifactId> <version>3.2.5.RELEASE</version> </dependency> <dependency> <groupId>org.springframework.webflow</groupId> <artifactId>spring-webflow</artifactId> <version>2.4.0.RELEASE</version> </dependency> <dependency> <groupId>org.springframework.webflow</groupId> <artifactId>spring-binding</artifactId> <version>2.4.0.RELEASE</version> </dependency> <dependency> <groupId>org.springframework.webflow</groupId> <artifactId>spring-js</artifactId> <version>2.4.0.RELEASE</version> </dependency> <dependency> <groupId>org.springframework.webflow</groupId> <artifactId>spring-js-resources</artifactId> <version>2.4.0.RELEASE</version> </dependency> <dependency> <groupId>opensymphony</groupId> <artifactId>ognl</artifactId> <version>2.6.11</version> </dependency> <dependency> <groupId>commons-dbcp</groupId> <artifactId>commons-dbcp</artifactId> <version>1.3</version> <exclusions> <exclusion> <artifactId>commons-logging</artifactId> <groupId>commons-logging</groupId> </exclusion> <exclusion> <artifactId>commons-pool</artifactId> <groupId>commons-pool</groupId> </exclusion> <exclusion> <artifactId>xerces</artifactId> <groupId>xerces</groupId> </exclusion> <exclusion> <artifactId>xercesImpl</artifactId> <groupId>xerces</groupId> </exclusion> <exclusion> <artifactId>xml-apis</artifactId> <groupId>xml-apis</groupId> </exclusion> </exclusions> </dependency> <dependency> <groupId>commons-pool</groupId> <artifactId>commons-pool</artifactId> <version>1.5.4</version> <exclusions> <exclusion> <artifactId>commons-logging</artifactId> <groupId>commons-logging</groupId> </exclusion> </exclusions> </dependency> <dependency> <groupId>commons-io</groupId> <artifactId>commons-io</artifactId> <version>1.4</version> </dependency> <dependency> <groupId>commons-beanutils</groupId> <artifactId>commons-beanutils</artifactId> <version>1.8.3</version> </dependency> <dependency> <groupId>commons-codec</groupId> <artifactId>commons-codec</artifactId> <version>1.5</version> </dependency> <dependency> <groupId>com.atomikos</groupId> <artifactId>transactions-essentials-all</artifactId> <version>3.6.4</version> <type>pom</type> <exclusions> <exclusion> <artifactId>hibernate</artifactId> <groupId>org.hibernate</groupId> </exclusion> </exclusions> </dependency> <dependency> <groupId>org.apache.cxf</groupId> <artifactId>cxf-bundle-minimal</artifactId> <version>2.1.9</version> <exclusions> <exclusion> <artifactId>spring-core</artifactId> <groupId>org.springframework</groupId> </exclusion> <exclusion> <artifactId>spring-beans</artifactId> <groupId>org.springframework</groupId> </exclusion> <exclusion> <artifactId>spring-context</artifactId> <groupId>org.springframework</groupId> </exclusion> <exclusion> <artifactId>spring-web</artifactId> <groupId>org.springframework</groupId> </exclusion> <exclusion> <artifactId>spring-jms</artifactId> <groupId>org.springframework</groupId> </exclusion> <exclusion> <artifactId>spring-dao</artifactId> <groupId>org.springframework</groupId> </exclusion> <exclusion> <artifactId>spring-support</artifactId> <groupId>org.springframework</groupId> </exclusion> <exclusion> <artifactId>servlet-api</artifactId> <groupId>javax.servlet</groupId> </exclusion> <exclusion> <artifactId>geronimo-servlet_2.5_spec</artifactId> <groupId>org.apache.geronimo.specs</groupId> </exclusion> <exclusion> <artifactId>jetty</artifactId> <groupId>org.mortbay.jetty</groupId> </exclusion> <exclusion> <artifactId>jetty-util</artifactId> <groupId>org.mortbay.jetty</groupId> </exclusion> <exclusion> <artifactId>asm</artifactId> <groupId>asm</groupId> </exclusion> <exclusion> <artifactId>slf4j-jdk14</artifactId> <groupId>org.slf4j</groupId> </exclusion> </exclusions> </dependency> <dependency> <groupId>org.apache.derby</groupId> <artifactId>derbyclient</artifactId> <version>10.1.1.0</version> </dependency> <dependency> <groupId>com.google.gwt.inject</groupId> <artifactId>gin</artifactId> <version>1.0</version> <exclusions> <exclusion> <artifactId>gwt-servlet</artifactId> <groupId>com.google.gwt</groupId> </exclusion> </exclusions> </dependency> <dependency> <groupId>com.google.inject</groupId> <artifactId>guice</artifactId> <version>${guice.version}</version> </dependency> <dependency> <groupId>javax.inject</groupId> <artifactId>javax.inject</artifactId> <version>1</version> </dependency> <dependency> <groupId>com.google.inject.extensions</groupId> <artifactId>guice-servlet</artifactId> <version>${guice.version}</version> </dependency> <dependency> <groupId>com.google.inject.extensions</groupId> <artifactId>guice-multibindings</artifactId> <version>${guice.version}</version> </dependency> <dependency> <groupId>com.google.inject.extensions</groupId> <artifactId>guice-persist</artifactId> <version>${guice.version}</version> </dependency> <dependency> <groupId>org.primefaces</groupId> <artifactId>primefaces</artifactId> <version>2.1</version> </dependency> <dependency> <groupId>org.json</groupId> <artifactId>json</artifactId> <version>20090211</version> </dependency> <dependency> <groupId>org.codehaus.jackson</groupId> <artifactId>jackson-jaxrs</artifactId> <version>${jackson-version}</version> </dependency> <dependency> <groupId>org.codehaus.jackson</groupId> <artifactId>jackson-core-asl</artifactId> <version>${jackson-version}</version> </dependency> <dependency> <groupId>org.codehaus.jackson</groupId> <artifactId>jackson-mapper-asl</artifactId> <version>${jackson-version}</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>1.6.6</version> </dependency> <dependency> <groupId>postgresql</groupId> <artifactId>postgresql</artifactId> <version>8.3-603.jdbc3</version> </dependency> <dependency> <groupId>org.skywaysoftware</groupId> <artifactId>skyway-spring-utils</artifactId> <version>7.1.3</version> <exclusions> <exclusion> <artifactId>cxf-bundle-minimal</artifactId> <groupId>org.apache.cxf</groupId> </exclusion> <exclusion> <artifactId>wss4j</artifactId> <groupId>org.apache.ws.security</groupId> </exclusion> <exclusion> <artifactId>spring-beans</artifactId> <groupId>org.springframework</groupId> </exclusion> <exclusion> <artifactId>spring-context</artifactId> <groupId>org.springframework</groupId> </exclusion> <exclusion> <artifactId>spring-core</artifactId> <groupId>org.springframework</groupId> </exclusion> <exclusion> <artifactId>spring-jdbc</artifactId> <groupId>org.springframework</groupId> </exclusion> <exclusion> <artifactId>spring-orm</artifactId> <groupId>org.springframework</groupId> </exclusion> <exclusion> <artifactId>spring-tx</artifactId> <groupId>org.springframework</groupId> </exclusion> <exclusion> <artifactId>spring-web</artifactId> <groupId>org.springframework</groupId> </exclusion> <exclusion> <artifactId>spring-webmvc</artifactId> <groupId>org.springframework</groupId> </exclusion> <exclusion> <artifactId>spring-security-core</artifactId> <groupId>org.springframework.security</groupId> </exclusion> <exclusion> <artifactId>spring-binding</artifactId> <groupId>org.springframework.webflow</groupId> </exclusion> <exclusion> <artifactId>servlet-api</artifactId> <groupId>javax.servlet</groupId> </exclusion> </exclusions> </dependency> <dependency> <groupId>javax.validation</groupId> <artifactId>validation-api</artifactId> <version>1.0.0.GA</version> </dependency> <dependency> <groupId>opensymphony</groupId> <artifactId>sitemesh</artifactId> <version>2.4.2</version> </dependency> <dependency> <groupId>org.directwebremoting</groupId> <artifactId>dwr</artifactId> <version>2.0.5</version> </dependency> </dependencies> <repositories> <repository> <id>skyway-public-site</id> <name>Skyway Public Maven Repository</name> <url>http://downloads.skywayperspectives.org/maven-repo</url> </repository> </repositories> <build> <plugins> <plugin> <artifactId>maven-compiler-plugin</artifactId> <version>2.3.2</version> <configuration> <source>1.8</source> <target>1.8</target> <compilerArgs> <arg>-parameters</arg> </compilerArgs> </configuration> </plugin> <plugin> <artifactId>maven-war-plugin</artifactId> <version>2.6</version> <configuration> <failOnMissingWebXml>false</failOnMissingWebXml> </configuration> </plugin> </plugins> </build> </project>打包jar和war
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