Spring @Autowired restTemplate 为空

Question

我是春天的新手。我开发了使用 Java 使用证书使用 RESTful 服务的服务

这是我的配置类：

package configuration;

import org.apache.http.client.HttpClient;

import org.apache.http.impl.client.HttpClients;

import org.apache.http.ssl.SSLContextBuilder;

import org.springframework.boot.web.client.RestTemplateBuilder;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

import org.springframework.http.client.ClientHttpRequestFactory;

import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;

import org.springframework.util.ResourceUtils;

import org.springframework.web.client.RestTemplate;

import javax.net.ssl.SSLContext;

import java.util.function.Supplier;

@Configuration

public class RestClientCertConfig {

    private char[] allPassword = "allpassword".toCharArray();

    @Bean

    public RestTemplate restTemplate(RestTemplateBuilder builder) throws Exception {

        SSLContext sslContext = SSLContextBuilder

                .create()

                .loadKeyMaterial(ResourceUtils.getFile("classpath:keystore.jks"), allPassword, allPassword)

                .loadTrustMaterial(ResourceUtils.getFile("classpath:truststore.jks"), allPassword)

                .build();

        HttpClient client = HttpClients.custom()

                .setSSLContext(sslContext)

                .build();

        return builder

                .requestFactory((Supplier<ClientHttpRequestFactory>)new HttpComponentsClientHttpRequestFactory(client))

                .build();

    }

}