SpringSecurity配置跨域访问[通俗易懂]

package com.wisea.config;

import org.springframework.context.annotation.Bean;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter { 
   

    @Override
    protected void configure(HttpSecurity http) throws Exception { 
   
    }

    @Bean
    public CorsFilter corsFilter() { 
   
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();

        CorsConfiguration corsConfiguration = new CorsConfiguration();
        corsConfiguration.addAllowedOrigin("*");
        corsConfiguration.addAllowedHeader("*");
        corsConfiguration.addAllowedMethod("*");
        corsConfiguration.setAllowCredentials(true);

        source.registerCorsConfiguration("/**", corsConfiguration);
        return new CorsFilter(source);
    }
}

    @Override
    protected void configure(HttpSecurity http) throws Exception { 
   
        http.cors();
        ...
    }