restTemplate.postForObject传参

import com.alibaba.fastjson.JSONObject;
import com.itmuch.cloud.study.user.entity.User;
import com.itmuch.cloud.study.user.util.RestTemplateUtil;
import org.junit.Test;
import org.springframework.http.HttpHeaders;
import org.springframework.web.client.RestTemplate;
 
import java.util.HashMap;
import java.util.Map;
 
public class ResttemplateApplicationTests {
    @Test
    public void testJavaObj() {
        User request = new User();
        request.setAge(18);
        request.setName("小芳");
        request.setAddress("广东深圳");
        RestTemplate restTemplate = RestTemplateUtil.getInstance("utf-8");
        String url = "http://localhost:8011/pojo";
        String result = restTemplate.postForObject(url, request, String.class);
        System.out.println(result);
    }
 
    @Test
    public void testMap() {
        Map<String, Object> hashMap = new HashMap<String, Object>();
        hashMap.put("age", 18);
        hashMap.put("name", "小芳");
        hashMap.put("address", "广东深圳");
        RestTemplate restTemplate = RestTemplateUtil.getInstance("utf-8");
        String url = "http://localhost:8011/map";
        String result = restTemplate.postForObject(url, hashMap, String.class);
        System.out.println(result);
    }
 
    @Test
    public void testJson() {
        JSONObject json = new JSONObject();
        json.put("age", 18);
        json.put("name", "小芳");
        json.put("address", "广东深圳");
        RestTemplate restTemplate = RestTemplateUtil.getInstance("utf-8");
        String url = "http://localhost:8011/json";
        String result = restTemplate.postForObject(url, json, String.class);
        System.out.println(result);
    }
 
    @Test
    public void testGet() {
        RestTemplate restTemplate = RestTemplateUtil.getInstance("utf-8");
        String url = "http://localhost:8012/testPost?username=刘备&name=CTO&age=18";
        HttpHeaders headers = new HttpHeaders();
        headers.add("Content-Type", "text/xml; charset=utf-8");
        String result= restTemplate.getForObject(url,String.class,headers);
        System.out.println(result);
    }
 
    @Test
    public void testPost() {
        RestTemplate restTemplate = RestTemplateUtil.getInstance("utf-8");
        HttpHeaders headers = new HttpHeaders();
        headers.add("Content-Type", "text/xml; charset=utf-8");
        String url = "http://localhost:8012/testPost?username=刘备&name=CTO&age=18";
        String result= restTemplate.postForObject(url,headers,String.class);
        System.out.println(result);
    }
}

import org.springframework.http.converter.StringHttpMessageConverter;
import org.springframework.web.client.RestTemplate;
import java.nio.charset.Charset;
 
public class RestTemplateUtil {
 
 
    /**
     * 创建指定字符集的RestTemplate
     *
     * @param charset
     * @return
     */
    public static RestTemplate getInstance(String charset) {
        RestTemplate restTemplate = new RestTemplate();
        restTemplate.getMessageConverters().add(new StringHttpMessageConverter(Charset.forName(charset)));
        return restTemplate;
    }
}