java 使用WebMvcConfigurerAdapter添加资源位置和文件模式

Posted 2021-05-08

package com.pluralsight;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import org.springframework.web.servlet.view.InternalResourceViewResolver;

@Configuration
@EnableWebMvc
@ComponentScan(basePackages="com.pluralsight")
public class WebConfig extends WebMvcConfigurerAdapter{

	@Bean
	public InternalResourceViewResolver getInternalResourceViewResolver() {
		InternalResourceViewResolver resolver = new InternalResourceViewResolver();
		resolver.setPrefix("/WEB-INF/jsp/");
		resolver.setSuffix(".jsp");
		return resolver;
	}
	
	@Override
	public void addResourceHandlers(ResourceHandlerRegistry registry) {
		registry.addResourceHandler("/pdfs/**").addResourceLocations("/WEB-INF/pdf/");
		registry.addResourceHandler("/css/**").addResourceLocations("/WEB-INF/css/");
	}
	
}

package com.pluralsight;

import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRegistration;

import org.springframework.web.WebApplicationInitializer;
import org.springframework.web.context.ContextLoaderListener;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
import org.springframework.web.servlet.DispatcherServlet;

public class WebAppInitializer implements WebApplicationInitializer {

	@Override
	public void onStartup(ServletContext servletContext) throws ServletException {
		WebApplicationContext context = getContext();
		servletContext.addListener(new ContextLoaderListener(context));
		ServletRegistration.Dynamic dispatcher = servletContext.addServlet("DispatcherServlet",
				new DispatcherServlet(context));
		dispatcher.setLoadOnStartup(1);
		dispatcher.addMapping("*.html");
		dispatcher.addMapping("*.pdf");

	}

	private AnnotationConfigWebApplicationContext getContext() {

		AnnotationConfigWebApplicationContext context = new AnnotationConfigWebApplicationContext();
		context.register(com.pluralsight.WebConfig.class);
		return context;
		
	}

}