JSON.parse 抛出 Encoding::UndefinedConversionError

Question

在 windows 上出现以下错误：

Encoding::UndefinedConversionError: "\xEF" 从 ASCII-8BIT 到 UTF-8

代码：

text = File.open(file, 'r:binary', &:read); #opens file and reads it with r:binary flag
puts text; #works i get here, outputs the below file contents
data = JSON.parse(text.force_encoding(Encoding::UTF_8)); #fails here with above error

注意：我也试过 R:UTF-8。

---

文件内容：

{
  "Environments": [
    {
      "Environment": "UT",
      "Configuration_Directory": "configs/",
      "Files": [
        {
          "Source": "Web.ENV.config",
          "Destination": "Web.config"
        }
      ]
    },
    {
      "Environment": "UAT",
      "Configuration_Directory": "configs/",
      "Files": [
        {
          "Source": "Web.ENV.config",
          "Destination": "Web.config"
        }
      ]
    },
    {
      "Environment": "Staging",
      "Configuration_Directory": "configs/",
      "Files": [
        {
          "Source": "Web.ENV.config",
          "Destination": "Web.config"
        }
      ]
    },
    {
      "Environment": "Production",
      "Configuration_Directory": "configs/",
      "Files": [
        {
          "Source": "Web.ENV.config",
          "Destination": "Web.config"
        }
      ]
    }
  ]
}

Answer 1

我遇到了这个问题，原始字符串是带有 BOM 的 UTF-8，但 Ruby 已将其编码为 ASCII-8bit。我将字符串转换为字节数组，然后再转换回字符串，同时强制编码为 UTF-8。

string_value.bytes.pack("c*").force_encoding("UTF-8")