我怎样才能解码一个

问题描述

我有许多名为 input_001.json 的图像以以下格式存储,我想使用 PowerShell 将其转换为图像 output_001.xxx,其中 xxx 在这里png mimeType 是这么说的。

{
 "document": {
   "mimeType": "image/png","content": "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"
   }
}

我知道以下函数(其中 TWF5YmUgdGhlcmUgaXMgc29tZSBvdXQgb2YgdGhlIGJveCBzb2x1dGlvbi4= 是上面 content 中的 base64 内容),这是我的目的的正确方法吗?

$txt = [Convert]::FromBase64String("TWF5YmUgdGhlcmUgaXMgc29tZSBvdXQgb2YgdGhlIGJveCBzb2x1dGlvbi4=")
[System.Text.Encoding]::UTF8.GetString($txt)

另外:我真的需要编写一个完整的 PS 脚本来解析我的 input.json 吗?

附注。 Google Cloud API 需要上述给定的 JSON 格式。

解决方法

暂无找到可以解决该程序问题的有效方法,小编努力寻找整理中!

如果你已经找到好的解决方法,欢迎将解决方案带上本链接一起发送给小编。

小编邮箱:dio#foxmail.com (将#修改为@)