Spring Theme简单应用

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Spring MVC特性里由一个是关于Spring Theme主题的应用，所以写了个Demo

1.这里先看项目结构（Meven项目）

2.所需的POM依赖

<dependency>

      <groupId>org.springframework</groupId>

      <artifactId>spring-core</artifactId>

      <version>4.0.5.RELEASE</version>

    </dependency>

    <dependency>

      <groupId>org.springframework</groupId>

      <artifactId>spring-beans</artifactId>

      <version>4.0.5.RELEASE</version>

    </dependency>

    <dependency>

      <groupId>org.springframework</groupId>

      <artifactId>spring-context</artifactId>

      <version>4.0.5.RELEASE</version>

    </dependency>

    <dependency>

      <groupId>org.springframework</groupId>

      <artifactId>spring-web</artifactId>

      <version>4.0.5.RELEASE</version>

    </dependency>

    <dependency>

      <groupId>org.springframework</groupId>

      <artifactId>spring-webmvc</artifactId>

      <version>4.0.5.RELEASE</version>

    </dependency>

3.Properties Theme文件配置

4.编写HTML文件

<%@ taglib prefix="spring" uri="http://www.springframework.org/tags" %>

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>Title</title>

    <link rel="stylesheet" href="<spring:theme code="color" />" type="text/css" />

</head>

<body>

<h1 class="red">你好，Hello Word</h1>

</body>

</html>

５.SpringMVC　XML配置

<?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">

    <context:component-scan base-package="controller" />

    <context:annotation-config />

    <mvc:annotation-driven />

    <mvc:resources mapping="/statis/**" location="/statis/" />

    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">

        <property name="prefix" value="/WEB-INF/pages/" />

        <property name="suffix" value=".jsp" />

    </bean>

    <!--实际这里切换的是Properties的文件，而非Properties值，这里是指Properties的前缀-->

    <bean id="themeSource" class="org.springframework.ui.context.support.ResourceBundleThemeSource">

        <property name="basenamePrefix" value="theme-" />

    </bean>

    <!--实际这里切换的是Properties的文件，而非Properties值，这里是指前缀余下的部分，SPring使用时，会通过前缀和名称进行组合来获取指定的Properties文件-->

    <bean id="themeResolver" class="org.springframework.web.servlet.theme.SessionThemeResolver">

        <property name="defaultThemeName" value="style1" />

    </bean>

    <mvc:interceptors>

        <bean id="themeChangeInterceptor" class="org.springframework.web.servlet.theme.ThemeChangeInterceptor">

            <property name="paramName" value="theme"/>

        </bean>

    </mvc:interceptors>

</beans>

６.编写Controller

package controller;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.servlet.ModelAndView;

@Controller

public class FormController {

    @RequestMapping(value = "/form")

    public ModelAndView user() {

        return new ModelAndView("form", "user","你好");

    }

}

备注：这样进行切换的时候，实际切换的是使用的文件，而JSP页面使用的Spring:Theme的Code属性实际是Theme　Properties文件里面的Key值。

附录：

Spring Framework官方文档：https://docs.spring.io/spring/docs/current/spring-framework-reference/web.html#mvc-themeresolver

W3C Spring MVC 4.2.4中文文档：https://www.w3cschool.cn/spring_mvc_documentation_linesh_translation/spring_mvc_documentation_linesh_translation-i79x27rz.html