Boost 1.75.0 JSON 怎么遍历 boost::json::object 的所有 key?

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5 replies • 2021-01-21 18:46:26 +08:00

momo1999

Jan 21, 2021

soaph

Jan 21, 2021

```cpp
for (auto& [key, value] : jv) {
fmt::print("key: {}, value: {}\n", key, value);
}
```

sl0000

Jan 21, 2021

@soaph 这个好像要 c++17

sl0000

Jan 21, 2021

@shuax 之前就是用的这个

sl0000

Jan 21, 2021

@soaph 同理也找到 c++11 的实现，官方文档一句都没说这个。
for (auto & kvp : obj) {
std::cout << "key: " << kvp.key() << ", value: " << kvp.value() << std::endl;
}