价格区间方法

List<Integer> integers = new ArrayList<Integer>();
integers.add(13);
integers.add(113);
integers.add(14);
integers.add(56);
//最大值 最小值
System.out.println("min:"+Collections.min(integers));
System.out.println("max:"+Collections.max(integers));

 

  //商品规格转换
    public GoodsSpecsResonse covSpec(List<ZxGoodsSpecs> specsList)
    {
        Integer totalNum=0;
        String priceBetween = "";
        List<String> integerList = new ArrayList<>();
        GoodsSpecsResonse resonse=new GoodsSpecsResonse();
        for (ZxGoodsSpecs specs: specsList){
            //库存总量
            totalNum=totalNum+specs.getNum();

            integerList.add(specs.getPrice());
            resonse.setSmallImg(specs.getSmallImg());
        }
        resonse.setTotalNum(totalNum);
        //价格区间
        priceBetween = Collections.min(integerList) +" - " +Collections.max(integerList);
        if(Collections.min(integerList).equals(Collections.max(integerList))){
            priceBetween = Collections.min(integerList) ;
        }

        resonse.setPriceBetween(priceBetween);
        return resonse;

}