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  • Spring java配置

    容器一开始自动加载的配置:相当于web.xml

    package config;
    
    import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;
    
    import javax.servlet.MultipartConfigElement;
    import javax.servlet.ServletRegistration;
    
    public class MyWebAppInitializer extends AbstractAnnotationConfigDispatcherServletInitializer {
        @Override
        protected Class<?>[] getRootConfigClasses() {
            return new Class<?>[]{RootConfig.class};
        }
    
        @Override
        protected Class<?>[] getServletConfigClasses() {
            return new Class<?>[]{WebMvcConfig.class};
        }
    
        @Override
        protected String[] getServletMappings() {//将请求映射到DispatcherServlet上
            return new String[]{"/"};
        }
    
        @Override//通过重载,可以对DispatcherServlet进行额外的设置
        protected void customizeRegistration(ServletRegistration.Dynamic registration) {
            registration.setMultipartConfig(
                    new MultipartConfigElement("D:\springuploads")
            );
        }
    }
    
    

    springmvc 部分的配置

    @Configuration
    @EnableWebMvc
    @ComponentScan("Controller")
    public class WebMvcConfig  extends WebMvcConfigurerAdapter {
    
            //配置视图解析器
    
        @Bean
        public ViewResolver viewResolver(){
            InternalResourceViewResolver resolver=new InternalResourceViewResolver();
            resolver.setPrefix("/WEB-INF/views/");
            resolver.setSuffix(".jsp");
            resolver.setExposeContextBeansAsAttributes(true);
            resolver.setViewClass(JstlView.class);
            return  resolver;
        }
    
        @Override
        public void configureDefaultServletHandling(
                DefaultServletHandlerConfigurer configurer) {
            configurer.enable();//对静态资源的请求转发到servlet容器默认的servlet上
            //而不是使用dispatcherServlet来处理
        }
    }
    
    

    spring bean 部分的配置

    package config;
    
    import org.springframework.context.annotation.ComponentScan;
    import org.springframework.context.annotation.Configuration;
    import org.springframework.context.annotation.FilterType;
    import org.springframework.web.servlet.config.annotation.EnableWebMvc;
    
    @Configuration
    @ComponentScan(
            basePackages = {"bean"},
            excludeFilters = {
                    @ComponentScan.Filter(type = FilterType.ANNOTATION,
                            value = EnableWebMvc.class)
            }
    )
    public class RootConfig {
    
    }
    
    
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  • 原文地址:https://www.cnblogs.com/webdev8888/p/9447178.html
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