如何将下面的excel转换为json

Question

我想将excel转换为json，如下所示。我想使用js-xlsx，但我不知道如何实现它

{"OrderNo":"120555",
"Order Date":"20160218",
"Courier Bill NO":"120555",
"orderShipperName":"INLAY SHOES ",
"ConsigneeName":"LEE",
"part":[{"description":"USB","qty":"2","units":"PCM"},
      {"description":"IPONE","qty":"3","units":"PCM"}]}