Java带Body内容的Http请求

package test2;

import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.JsonNode;
import com.mashape.unirest.http.Unirest;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.node.ObjectNode;

import java.util.HashMap;
import java.util.Map;

public class HttpTest {

    //调用
    public static void main(String arg[]) throws Exception {
        String url = "http://xxx.com/v1/query?projectCode=ALL&encrypt=NONE";
        Map<String,String> headers = new HashMap<String,String>();
        headers.put("accept","application/json;charset=UTF-8");
        headers.put("Content-Type","application/json;charset=UTF-8");

        Map<String,Object> bodyParams = new HashMap<String,Object>();
        Map<String,Object> bodyParams = new HashMap<String,Object>();
        bodyParams.put("realName", "xxx");
        bodyParams.put("idCard", "xxx");
        bodyParams.put("phoneNumber", "xxx");

      //效果如上
//        ObjectNode object = mapper.readValue("{\n" +
//                "\"idCard\": \"xxx\",\n" +
//                "\"phoneNumber\": \"xxx\",\n" +
//                "\"realName\": \"xxx\"\n" +
//                "}", ObjectNode.class);

        //post 请求
        HttpResponse<JsonNode> httpResponse = Unirest.post(url)
                .headers(headers)
                .body(mapper.writeValueAsString(bodyParams))
                .asJson();
        System.out.println(httpResponse.toString());
    }
}