Spring mvc 资源文件不能包含在 jsp 页面中(Tomcat v9.0、Spring Tool Suite、Maven)

我想在jsp页面中包含css文件。我尝试了所有的解决方案从stackoverflow，谷歌…但是仍然没有，它不能识别CSS代码。

我尝试了这三个解决方案:

<link href="<c:url value="/resources/css/main.css" />" rel="stylesheet">
<spring:url value="/resources/css/main.css" var="mainCss" />
<link type="text/css" href="${pageContext.request.contextPath}/css/main.css" rel="stylesheet" />

servlet-context.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http://www.springframework.org/schema/mvc"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:beans="http://www.springframework.org/schema/beans"
    xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="http://www.springframework.org/schema/mvc 
    http://www.springframework.org/schema/mvc/spring-mvc.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
        http://www.springframework.org/schema/mvc 
        http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
    <context:component-scan base-package="com.projekt.springmvc" />
    <annotation-driven />
    <resources mapping="/resources/**" location="/resources/css/" />
    <default-servlet-handler />
    <beans:bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <beans:property name="prefix" value="/WEB-INF/views/" />
        <beans:property name="suffix" value=".jsp" />
    </beans:bean>
</beans:beans>

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">
    <!-- The definition of the Root Spring Container shared by all Servlets and Filters -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>/WEB-INF/spring/root-context.xml</param-value>
    </context-param>
    <!-- Creates the Spring Container shared by all Servlets and Filters -->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <!-- Processes application requests -->
    <servlet>
        <servlet-name>appServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>/WEB-INF/spring/appServlet/servlet-context.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>appServlet</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
</web-app>

home.jsp

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ taglib uri="http://www.springframework.org/tags/form" prefix="form"%>
<%@ taglib prefix="spring" uri="http://www.springframework.org/tags"%>
<%@ page session="false" %>
<!DOCTYPE html>
<html lang="en">
<head>
<title>Home</title>
<!-- First solution -->
<link href="<c:url value="/resources/css/main.css" />" rel="stylesheet">
<!-- Second solution -->
<spring:url value="/resources/css/main.css" var="mainCss" />
<!-- Third solution -->
<link type="text/css" href="${pageContext.request.contextPath}/css/main.css" rel="stylesheet" />
</head>
<body>
<h1>
    Hello world!  
</h1>
</body>
</html>

main.css

body{
    padding-top:70px;
    font-size:30px;
    }

使用Spring Tool Suite创建的Mvc项目。项目使用Maven、JRE_8、Tomcat v9.0

试试这个:

<link href="<c:url value="/resources/main.css"/>" rel="stylesheet">

在这个配置下:

<resources mapping="/resources/**" location="/resources/css/" />

您将/resources/css中的所有内容分配给/resources/的spring映射。当你试图链接到/resources/style时，你实际上是链接到/resources/style/style。

最佳解决方案

将您的配置更改为:

<resources mapping="/css/**" location="/resources/css/" />

和使用:

<link href="<c:url value="/css/main.css"/>" rel="stylesheet">

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