如何使用bigints封送JSON? [英] How to marshal JSON with bigints?

问题描述

我有一个json，其中包含带有bigint

I have a json that contains a field with a bigint

{"NETWORK_ID": 6000370005980500000071}

在编组之前我使用的格式是map[string]interface{}

The format I have before marshaling is map[string]interface{}

当我将其编组并打印以进行控制台时，一切似乎都很好，但是由于其在其他介质中的大小，该字段实际上会产生问题，因此我想将其序列化为字符串.

When I marshal it and print to console everything seems to be fine but this field actually creates problems due to its size in other mediums so I want to serialize it as a string.

UseNumber()似乎是用于此目的，但我认为它仅用于解码.

UseNumber() seems to be for this purpose but it's only for decoding I think.

有什么方法可以检测到这种bigint数字并将其序列化为字符串吗?

Is there any way that I can detect this kind of bigint number and make them serialize as strings?

推荐答案

您需要创建一个实现

You'll need to create a custom type that implements the json.Marshaler interface, and marshals to a string. Example:

type MyBigInt big.Int

func (i MyBigInt) MarshalJSON() ([]byte, error) {
    i2 := big.Int(i)
    return []byte(fmt.Sprintf(`"%s"`, i2.String()), nil
}

这将始终将您的自定义类型编组为带引号的十进制数字.

This will always marshal your custom type as a quoted decimal number.

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