axios挂载，跨域访问

WebConfig文件

import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

@Configuration
public class WebConfig implements WebMvcConfigurer {
    
    

    @Override
    public void addCorsMappings(CorsRegistry registry) {
    
    
        registry
                //允许访问的路径
                .addMapping("/**")
                //配置请求来源
                .allowedOrigins("http://localhost:8080", "null")
                //允许跨域访问的方法
                .allowedMethods("GET", "POST", "DELETE", "PUT", "OPTION")
                // 允许存在请求头
                .allowCredentials(true)
                //.allowedHeaders()
                // 最大效应时间
                .maxAge(3600);
    }
}