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  • 配置类只有一个有参构造器

    配置类只有一个有参构造器

    	//有参构造器所有参数的值都会从容器中确定
    //ResourceProperties resourceProperties;获取和spring.resources绑定的所有的值的对象
    //WebMvcProperties mvcProperties 获取和spring.mvc绑定的所有的值的对象
    //ListableBeanFactory beanFactory Spring的beanFactory
    //HttpMessageConverters 找到所有的HttpMessageConverters
    //ResourceHandlerRegistrationCustomizer 找到 资源处理器的自定义器。=========
    //DispatcherServletPath  
    //ServletRegistrationBean   给应用注册Servlet、Filter....
    	public WebMvcAutoConfigurationAdapter(ResourceProperties resourceProperties, WebMvcProperties mvcProperties,
    				ListableBeanFactory beanFactory, ObjectProvider<HttpMessageConverters> messageConvertersProvider,
    				ObjectProvider<ResourceHandlerRegistrationCustomizer> resourceHandlerRegistrationCustomizerProvider,
    				ObjectProvider<DispatcherServletPath> dispatcherServletPath,
    				ObjectProvider<ServletRegistrationBean<?>> servletRegistrations) {
    			this.resourceProperties = resourceProperties;
    			this.mvcProperties = mvcProperties;
    			this.beanFactory = beanFactory;
    			this.messageConvertersProvider = messageConvertersProvider;
    			this.resourceHandlerRegistrationCustomizer = resourceHandlerRegistrationCustomizerProvider.getIfAvailable();
    			this.dispatcherServletPath = dispatcherServletPath;
    			this.servletRegistrations = servletRegistrations;
    		}
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  • 原文地址:https://www.cnblogs.com/zhukaile/p/15570067.html
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