Map键值对取值, key是在"|"转义, value是在::取值

Lambda

0. 技术点

   • Map键值对取值, key是在"|"转义, value是在::取值

1. 实体类

package com.jd.saas.rd.data.proxy.api.domain.huijin.request;

import lombok.Data;

import java.io.Serializable;
import java.util.List;

/**
 * @Author xxx
 * @Date 2021-03-15 15:07
 * @Description: 汇金-商品信息变更
 **/
@Data
public class ShopInfoNoticeReq implements Serializable {
    /**
     * serialVersionUID
     */
    private static final long serialVersionUID = -9064068204587469116L;
    /**
     * itemBase 商品主档,
     * stock 库存,
     * item 门店商品,
     * price 价格,
     * category 分类,
     * store_category 门店个性分类,
     * shop 店铺的更新,
     */
    private String type;

    private List<ShopInfoNoticeItem> idList;

    private String v;

    private String format;

    private String sign;

    private String timestamp;
}

---

2. 测试类

package com.jd.saas.rd.data.proxy.web;

import com.alibaba.fastjson.JSON;
import com.jd.saas.rd.data.proxy.api.domain.huijin.request.ShopInfoNoticeItem;
import com.jd.saas.rd.data.proxy.api.domain.huijin.request.ShopInfoNoticeReq;

import java.util.Map;
import java.util.stream.Collectors;

public class Test02 {
    public static void main(String[] args) {

        String str = "{"v": "v3","format": "json","sign": "e70a8e2a359544afa942e6918b6bdle6","idList": [{"ids": "6914973606753|1108375","storeCode": "1101"}],"type": "price","timestamp": 1616574994683}";

        ShopInfoNoticeReq parseObject = JSON.parseObject(str, ShopInfoNoticeReq.class);

        Map<String, String> storeMap = parseObject.getIdList().stream().collect(Collectors.toMap(shopInfoNoticeItem -> {
            String[] res = shopInfoNoticeItem.getIds().split("\|");
            return res[1];
        }, ShopInfoNoticeItem::getStoreCode));

        storeMap.forEach((k, v) -> System.out.println("{key=" + k + ", value=" + v + "}"));
        //TODO 输出：{key=1108375, value=1101}

    }
}