如何在Springboot中使用Autentication Basic获取访问令牌作为头部发送

<dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-security</artifactId>
</dependency>

import org.springframework.context.annotation.Configuration;
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;

@Configuration
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {
    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http.csrf().disable()
                .authorizeRequests()
                .antMatchers("/api/**").hasRole("USER") // 配置需要授权的路径
                .anyRequest().permitAll()
                .and()
                .httpBasic();
    }
}

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;

@Configuration
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {
    @Autowired
    public void configureGlobal(AuthenticationManagerBuilder auth) throws Exception {
        auth
            .inMemoryAuthentication()
            .withUser("admin")
            .password("{noop}password") // 使用{noop}前缀指定密码编码方式
            .roles("USER");
    }
}

import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpMethod;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.util.Base64Utils;
import org.springframework.web.client.RestTemplate;

public class RestClient {
    public static void main(String[] args) {
        String username = "admin";
        String password = "password";
        String url = "http://localhost:8080/api/endpoint"; // 替换成实际的URL
        
        // 创建认证信息的头部
        String authHeader = "Basic " + Base64Utils.encodeToString((username + ":" + password).getBytes());
        HttpHeaders headers = new HttpHeaders();
        headers.setContentType(MediaType.APPLICATION_JSON);
        headers.set(HttpHeaders.AUTHORIZATION, authHeader);
        HttpEntity<String> entity = new HttpEntity<>(headers);

        // 发送GET请求并获取响应
        RestTemplate restTemplate = new RestTemplate();
        ResponseEntity<String> response = restTemplate.exchange(url, HttpMethod.GET, entity, String.class);
        String responseBody = response.getBody();
        
        System.out.println(responseBody);
    }
}