...

  let columnInfos = [
    { value: 'orderId', caption: '주문ID', width:'2*' },
    {
      value: 'orderDate',
      caption: '수주일',
      style: { formatter: 'yyyy년mm월dd일' },
      width:'2*'
    },
    { value: 'categoryName', caption: '카테고리', width:'2*' },
    { value: 'productName', caption: '제품명', width:'2*'  },
    { value: 'unitsOnOrder', caption: '수주량', width:'2*'  },
  ];

  let viewOption = {
    defaultColumnWidth: 132,
  };

  let view = productTable.addView('수주관리', columnInfos, true, viewOption);

...