你能避免Gson转换“<”和“>”。到unicode转义序列？ [英] Can you avoid Gson converting "<" and ">" into unicode escape sequences?

问题描述

我注意到 Gson 将字符串<转换为JSON输出中的Unicode转义序列。你能以某种方式避免这种情况，或者做一些像<的字符和>总是必须在JSON中转义？

考虑这个例子打印 {s：\\\<} ;我只想要 {s：<} 。

  public static void main（String [] args）{
 Gson gson = new GsonBuilder（）。create（）; 
 System.out.println（gson.toJson（new Foo（）））; 
} 
 
 static class Foo {
 String s =<; 
} 
  

上下文：我创建的JSON片断与HTML无关网页甚至JavaScript;它只是用来将某些结构化信息传递给另一个软件（嵌入在设备中，用C语言编写）。 需要停用HTML转义。

  Gson gson = new GsonBuilder（）。disableHtmlEscaping（）。create（）; 
  

I noticed that Gson converts the string "<" into an unicode escape sequence in JSON output. Can you avoid this somehow, or do characters like "<" and ">" always have to be escaped in JSON?

Consider this example which prints {"s":"\u003c"}; I'd want simply {"s":"<"}.

public static void main(String[] args) {
    Gson gson = new GsonBuilder().create();
    System.out.println(gson.toJson(new Foo()));  
}

static class Foo {
    String s = "<";
}

Context: the piece of JSON I'm creating has nothing to do with HTML pages or even JavaScript; it's just used to pass certain structured information to another piece of software (embedded in a device, written in C).

解决方案

You need to disable HTML escaping.

Gson gson = new GsonBuilder().disableHtmlEscaping().create();

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