跨域配置

package com.javasm.common.config;

import org.apache.catalina.filters.CorsFilter;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;

/**
 * @author Administrator
 * @date 2024-12-31 17:47
 */
@Configuration
public class CorseConfig {
    @Bean
    public CorsFilter corsFilter(){
//        预先配置
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        //所有的请求，都要过，都添加跨域
         source.registerCorsConfiguration("/**",buildConfig());

         return new CorsFilter();

    }
    private CorsConfiguration buildConfig(){
        //配置 允许所有的作用域
        CorsConfiguration config=new CorsConfiguration();
//        头信息
        config.addAllowedHeader("*");
        //方法
        config.addAllowedMethod("*");
//        cookie,session会失效
        config.setAllowCredentials(true);
//        有效期
        config.setMaxAge(3600L);
        return config;
    }

}