SpringBoot RestTemplate的最简实现

• GET

package hello;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.client.RestTemplateBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.web.client.RestTemplate;
import com.sdg.dpd.apollo.meta.manager.beans.*;
import java.util.*;

@SpringBootApplication
public class Applicationtest {



    public static void main(String args[]) {
        SpringApplication.run(Application.class);
    }

    @Bean
    public RestTemplate restTemplate(RestTemplateBuilder builder) {
        return builder.build();
    }

    @Bean
    public CommandLineRunner run(RestTemplate restTemplate) throws Exception {
        return args -> {
            String quote = restTemplate.getForObject(
                    "http://xxx", String.class);
            System.out.println(quote);
        };
    }
}

• POST

package hello;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.client.RestTemplateBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.web.client.RestTemplate;
import com.sdg.dpd.apollo.meta.manager.beans.*;
import java.util.*;

@SpringBootApplication
public class Application {


    public static void main(String args[]) {
        SpringApplication.run(Application.class);
    }

    @Bean
    public RestTemplate restTemplate(RestTemplateBuilder builder) {
        return builder.build();
    }

    @Bean
    public CommandLineRunner run(RestTemplate restTemplate) throws Exception {
        return args -> {

            String requestJson = "{" +
                    "  \"appId\": 1,\n" +
                    "  \"storageType\": \"HIVE\"}";
            HttpHeaders headers = new HttpHeaders();
            headers.setContentType(MediaType.APPLICATION_JSON);
            HttpEntity<String> entity = new HttpEntity<String>(requestJson,headers);
            String quote = restTemplate.postForObject(
                    "http://xxxx", entity, String.class);
            System.out.println(quote);
        };
    }
}