Springmvc Springboot cross-domain configuration

1. Filter configurationimport java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Component;

/ * * * the ClassName: SimpleCORSFilter * Function: cross-domain *@version  1.0 
 * @sinceJDK 1.8 * /
@Component
public class SimpleCORSFilter implements Filter {

	@Override
	public void destroy(a) {
		// TODO Auto-generated method stub

	}

	@Override
	public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)
			throws IOException, ServletException {
		HttpServletRequest request = (HttpServletRequest) req;
		HttpServletResponse response = (HttpServletResponse) res;
		response.setHeader("Access-Control-Allow-Origin", request.getHeader("origin"));
		//response.setHeader("Access-Control-Allow-Origin", "*");
	    response.setHeader("Access-Control-Allow-Methods"."POST, GET, OPTIONS, DELETE");
	    response.setHeader("Access-Control-Max-Age"."3600");
	    response.setHeader("Access-Control-Allow-Headers"."x-requested-with,Cache-Control,Pragma,Content-Type,Token");
	    response.setHeader("Access-Control-Allow-Credentials"."true");
		chain.doFilter(req, res);
	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {
		// TODO Auto-generated method stub}. 0The class configuration is provided aboveimport org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

@Configuration
public class CorsConfig {
    private CorsConfiguration buildConfig(a) {
        CorsConfiguration corsConfiguration = new CorsConfiguration();
        corsConfiguration.addAllowedOrigin("*"); / / 1
        corsConfiguration.addAllowedHeader("*"); / / 2
        corsConfiguration.addAllowedMethod("*"); / / 3
        return corsConfiguration;
    }

    @Bean
    public CorsFilter corsFilter(a) {
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/ * *", buildConfig()); / / 4
        return newCorsFilter(source); }} three, the pole body to resolve cross-domain and session@Configuration
public class CorsConfig extends WebMvcConfigurerAdapter {

    @Override
    public void addCorsMappings(CorsRegistry registry) {
        registry.addMapping("/ * *")
                .allowedOrigins("*")
                .allowCredentials(true)
                .allowedMethods("GET"."POST"."DELETE"."PUT")
                .maxAge(3600); }}Copy the code