json 使用 UTF-8 编码的 Jackson ObjectMapper？
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Hymanson ObjectMapper with UTF-8 encoding?
提问by Patricio
Is there a way to tell Hymanson to use UTF-8 encoding when using ObjectMapperto serialize and deserialize Objects?
有没有办法告诉 Hymanson 在ObjectMapper用于序列化和反序列化对象时使用 UTF-8 编码？
回答by StaxMan
Hymanson automatically detects encoding used in source: as per JSON specification, only valid encodings are UTF-8, UTF-16 and UTF-32. No other encodings (like Latin-1) can be used. Because of this, auto-detection is easy and done by parser -- no encoding detection is accepted for this reason. So, if input is UTF-8, it will be detected as such.
Hymanson 自动检测源代码中使用的编码：根据 JSON 规范，只有有效的编码是 UTF-8、UTF-16 和 UTF-32。不能使用其他编码（如 Latin-1）。因此，自动检测很容易并且由解析器完成——因此不接受编码检测。因此，如果输入是 UTF-8，则会被检测到。
For output, UTF-8 is the default; but if you explicitly want to use another encoding, you can create JsonGeneratorexplicitly (with a method that takes JsonEncoding), and pass this to ObjectMapper.
对于输出，UTF-8 是默认值；但是，如果您明确想使用另一种编码，则可以JsonGenerator明确创建（使用采用 的方法JsonEncoding），并将其传递给ObjectMapper.
Alternatively in both cases you can of course manually construct java.io.Reader/ java.io.Writer, and make it use whatever encoding you want.
或者，在这两种情况下，您当然可以手动构建java.io.Reader/ java.io.Writer，并使其使用您想要的任何编码。
