数组map方法修改value值

data:[{"id":3,"buy_num":2,"price":"998.00","status":"1","goods_ids":"1","go_name":"韦德-棉花糖","go_title":"HUAWEI官方认定合作品牌你值得拥有","go_price":"998.10","go_thumbimage":"http:\/\/lytx.pskjcs.cn\/public\/uploads\/20200315\/4fa86c14b8582b7450d9c913762072a8.png","go_guige":"0.5kg"},{"id":4,"buy_num":2,"price":"998.00","status":"2","goods_ids":"1","go_name":"韦德-棉花糖","go_title":"HUAWEI官方认定合作品牌你值得拥有","go_price":"998.10","go_thumbimage":"http:\/\/lytx.pskjcs.cn\/public\/uploads\/20200315\/4fa86c14b8582b7450d9c913762072a8.png","go_guige":"0.5kg"}]}

var maps= new Map([['0','待付款'],['1','待发货'],['2','待收货'],['3','已完成'],['4','待评价']]);
      that.data.alreadyOrder =  that.data.alreadyOrder.map(element =>{
          element.status = maps.get(element.status);
          return element;
      });
      that.setData({
        alreadyOrder: that.data.alreadyOrder
      })