每条url路径和子路径的Spring Single页面/a/**=>/a/index.html/a/静态/**&qot;除外

Spring single page for every url route and subroute quot;/a/** =gt; /a/index.html except /a/static/**quot;(每条url路径和子路径的Spring Single页面/a/**=gt;/a/index.html/a/静态/**qot;除外)

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问题描述

我正在构建Spring网站,该网站在子路径下有反应单页应用程序,我当前的URL结构应该如下所示

localhost/admin/** => react app
localhost/**       => spring thymeleaf/rest/websocket app for everything else

react app mapping:
localhost/admin/static/**  => static react files
localhost/admin/**         => react index.html for everything else

Example of project resources structure:  
resources/
    admin/         <= my admin react files is here
        index.html
        static/    <= react css, js,  statics
    templates/     <= thymeleaf templates
    static/        <= theamleaf static
    ...
因此,我需要为每个URL路由及其子路由转发REACTIONindex.html文件。除静态文件外,基本上只有一个页面的应用程序

看起来像是一项常见的任务,下面是我已经尝试过的一些方法:


项目的完整工作演示Spring+Reaction+Gradle如何构建项目以及为什么我不能将Reaction文件放在不同的目录(例如/Resources/Static):https://github.com/varren/spring-react-example
无法使用forward:/admin/index.htmlfor/admin/**,因为这将创建递归,因为admin/index.html也在admin/**下,必须以某种方式截取admin/static/**


无法在WebMvcConfigurerAdapter

中使用addResourceHandlers
@Override
public void addResourceHandlers(ResourceHandlerRegistry registry) {
    registry.addResourceHandler("/admin/**")
            .addResourceLocations("classpath:/admin/");
}
index.html仅映射到/admin/index.htmlurl,此选项几乎有效,但仅当您从localhost/admin/index.html访问Reaction应用程序时
看到this和this和this和许多其他链接,我也有一些解决方案,但可能有一些通用选项我就是看不到

推荐答案

现在我正在使用自定义ResourceResolver来解决此问题

演示:https://github.com/varren/spring-react-example

@Configuration
public class BaseWebMvcConfigurerAdapter extends WebMvcConfigurerAdapter {
    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {

        ResourceResolver resolver = new AdminResourceResolver();
        registry.addResourceHandler("/admin/**")
                .resourceChain(false)
                .addResolver(resolver);


        registry.addResourceHandler("/admin/")
                .resourceChain(false)
                .addResolver(resolver);
    }


    private class AdminResourceResolver implements ResourceResolver {
        private Resource index = new ClassPathResource("/admin/index.html");

        @Override
        public Resource resolveResource(HttpServletRequest request, String requestPath, List<? extends Resource> locations, ResourceResolverChain chain) {
            return resolve(requestPath, locations);
        }

        @Override
        public String resolveUrlPath(String resourcePath, List<? extends Resource> locations, ResourceResolverChain chain) {
            Resource resolvedResource = resolve(resourcePath, locations);
            if (resolvedResource == null) {
                return null;
            }
            try {
                return resolvedResource.getURL().toString();
            } catch (IOException e) {
                return resolvedResource.getFilename();
            }
        }

        private Resource resolve(String requestPath, List<? extends Resource> locations) {

            if(requestPath == null) return null;

            if (!requestPath.startsWith("static")) {
                return index;
            }else{
                return new ClassPathResource("/admin/" + requestPath);
            }
        }
    }
}

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