java实体类和json串字段名称不一致或者与map中字段名称不一致使用注解转化

package yuanCheng;

import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import com.alibaba.fastjson.JSONObject;
import com.alibaba.fastjson.annotation.JSONField;

import yuanCheng.bean.NeedInfo;
import yuanCheng.constant.SapConstant;

public class Controller {

        public static void main(String[] args) {
                // TODO Auto-generated method stub
                init("SP","S");
        }
        public static void init(String company, String cardType) {
                //String url=String.format(SapConstant.PARTNER_INIT +"?Company={0}&CardType={1}",company,cardType);
                String url = MessageFormat.format(SapConstant.PARTNER_INIT,company,cardType);//封装请求路径和请求参数
                System.out.println("url==========="+url);
                String res = HttpUtil.doGet(url,null);//发送远程get请求
                Map<String,Object> result = JSONObject.parseObject(res, Map.class);//将json串转换成map类型
                System.out.println("result====="+result);
                Map<String,Object>data=JSONObject.parseObject(JSONObject.toJSONString(result.get("data")),Map.class);//获取data对象中的值
                
                List<Map<String,Object>>list=getList(data.get("placeOfDelivery"));//获取placeOfDelivery中的值转换成list
                System.out.println("list=============="+list);
                System.out.println("getlistValue======"+list.get(0));
                //将map转换成实体类中的值
                NeedInfo info=JSONObject.parseObject(JSONObject.toJSONString(list.get(0)),NeedInfo.class);//将map中的值放入实体类中，实体类名称和map字段名称不一致使用@JSONField(name="lineNum")注解转换
                System.out.println("将名称不一致字段的值放入对应字段中info============"+info);
                
        }
        //将object类型的list转换成list
        public static List<Map<String,Object>>getList(Object obj){
                 List<Map<String,Object>> result = new ArrayList<>();
                    if (obj instanceof List<?>) {
                        for (Object o : (List<?>) obj) {
                            result.add(Map.class.cast(o));
                        }
                    }
                    result.forEach(System.out::println); // 输出：1 ab
                return result;
        }


}

　　//实体类

package yuanCheng.bean;

import java.io.Serializable;

import com.alibaba.fastjson.annotation.JSONField;
public class NeedInfo implements Serializable{
        /**
         * 
         */
        private static final long serialVersionUID = 1L;
        @JSONField(name="lineNum")
        private String line;
        @JSONField(name="value")
        private String valueName;
        public String getLine() {
                return line;
        }
        public void setLine(String line) {
                this.line = line;
        }
        public String getValueName() {
                return valueName;
        }
        public void setValueName(String valueName) {
                this.valueName = valueName;
        }
        @Override
        public String toString() {
                return "NeedInfo [line=" + line + ", valueName=" + valueName + "]";
        }
        

}

　　//远程调用接口util类

package yuanCheng;

import org.apache.http.client.ResponseHandler;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.BasicResponseHandler;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;


/**
 * create by Dell on 2020/6/17
 */
public class HttpUtil {
        //get请求
        public static String doGet(String url,String authValue){
                String result = null;
                CloseableHttpClient httpClient = HttpClients.createDefault();
                ResponseHandler<String> responseHandler = new BasicResponseHandler();
                try {
                        HttpGet httpGet = new HttpGet(url);
                        httpGet.setHeader("Content-type", "application/json");
                        if(null!=authValue){
                                httpGet.setHeader("Authorization","Bearer "+authValue);
                        }
                        result = httpClient.execute(httpGet, responseHandler);
                } catch (Exception e) {
                        e.printStackTrace();
                }
                finally {
                        try {
                                httpClient.close();
                        } catch (Exception e) {
                                System.out.println(e.getMessage());
                        }
                }
                return result ;
        }

        // post请求参数为json格式
        public static String doJsonPost(String url, String json,String authValue) {
                String result = null;
                CloseableHttpClient httpClient = HttpClients.createDefault();
                ResponseHandler<String> responseHandler = new BasicResponseHandler();
                try {
                        HttpPost httpPost = new HttpPost(url);
                        StringEntity requestEntity = new StringEntity(json, "utf-8");
                        requestEntity.setContentEncoding("UTF-8");
                        httpPost.setHeader("Content-type", "application/json");
                        if(null!=authValue){
                                httpPost.setHeader("Authorization","Bearer "+authValue);
                        }
                        httpPost.setEntity(requestEntity);
                        result = httpClient.execute(httpPost, responseHandler);
                } catch (Exception e) {
                        System.out.println(e.getMessage());
                } finally {
                        try {
                                httpClient.close();
                        } catch (Exception e) {
                                System.out.println(e.getMessage());
                        }
                }
                return result;
        }
}