是否可以为枚举定义字符串值？比如将struct中的enum在json序列化中翻译为string

[Yhaiyang]

是否可以为枚举定义字符串值？比如将struct中的enum在json序列化中翻译为string

[bbbgan]

目前只是简单把enum序列化成数字，

[qicosmos]

可以做，晚点有时间了支持一下。

[qicosmos]

已经支持了吧，你把例子和文档链接发出来吧 @bbbgan

[bbbgan]

已经支持了将枚举处理成字符串的形式，默认还是数字的形式：下面是文档：
https://github.com/qicosmos/iguana#how-to-handle-the-enum-type-as-strings
下面是json的示例代码，yaml、xml类似：

iguana/test/unit_test.cpp

Lines 215 to 279 in 37c363e

	enum class Fruit {
	APPLE = 9999,
	BANANA = -4,
	ORANGE = 10,
	MANGO = 99,
	CHERRY = 7,
	GRAPE = 100000
	};
	enum class Color {
	BULE = 10,
	RED = 15,
	};
	enum class Status { stop = 10, start };
	namespace iguana {
	template <> struct enum_value<Fruit> {
	constexpr static std::array<int, 6> value = {9999, -4, 10, 99, 7, 100000};
	};
	} // namespace iguana
	struct test_enum_t {
	Fruit a;
	Fruit b;
	Fruit c;
	Fruit d;
	Fruit e;
	Fruit f;
	Color g;
	Color h;
	};
	REFLECTION(test_enum_t, a, b, c, d, e, f, g, h);
	TEST_CASE("test enum") {
	auto validator = [](test_enum_t e) {
	CHECK(e.a == Fruit::APPLE);
	CHECK(e.b == Fruit::BANANA);
	CHECK(e.c == Fruit::ORANGE);
	CHECK(e.d == Fruit::MANGO);
	CHECK(e.e == Fruit::CHERRY);
	CHECK(e.f == Fruit::GRAPE);
	CHECK(e.g == Color::BULE);
	CHECK(e.h == Color::RED);
	};
	std::string str = R"(
	{
	"a": "APPLE",
	"b": "BANANA",
	"c": "ORANGE",
	"d": "MANGO",
	"e": "CHERRY",
	"f": "GRAPE",
	"g": 10,
	"h": 15
	}
	)";
	test_enum_t e;
	iguana::from_json(e, str);
	validator(e);
	std::string ss;
	iguana::to_json(e, ss);
	std::cout << ss << std::endl;
	test_enum_t e1;
	iguana::from_json(e1, ss);
	validator(e1);
	}