js中string和json的相互轉換

1.將string轉成json

var json={};
var myorderno=$("#myorderno").val();
json.myorderno=myorderno;

var jsontext=JSON.stringify(json);

2.將json轉成string

var orderGoodsExtra= "${orderGoodsExtra }";
var json=JSON.parse(orderGoodsExtra);
$("#myorderno").val(json.myorderno);