{ "areaList": [ { "ATC_status": 3, }, { "ATC_status": 4, }], "baseCapsuleId": "1659417448280555521", "taggerName": "liangshimin" } c++ json解析

你可以使用现成的 JSON 库来解析 JSON 字符串。以下是使用 RapidJSON 库解析该 JSON 字符串的示例代码：

#include <iostream>
#include "rapidjson/document.h"

using namespace rapidjson;

int main() {
    const char* json = "{ \"areaList\": [ { \"ATC_status\": 3, }, { \"ATC_status\": 4, }], \"baseCapsuleId\": \"1659417448280555521\", \"taggerName\": \"liangshimin\" }";

    Document doc;
    doc.Parse(json);

    // 获取 areaList 数组
    const Value& areaList = doc["areaList"];
    assert(areaList.IsArray());

    // 遍历 areaList 数组
    for (Value::ConstValueIterator it = areaList.Begin(); it != areaList.End(); ++it) {
        // 获取 ATC_status 字段
        const Value& ATC_status = (*it)["ATC_status"];
        assert(ATC_status.IsInt());
        std::cout << ATC_status.GetInt() << std::endl;
    }

    // 获取 baseCapsuleId 字段
    const Value& baseCapsuleId = doc["baseCapsuleId"];
    assert(baseCapsuleId.IsString());
    std::cout << baseCapsuleId.GetString() << std::endl;

    // 获取 taggerName 字段
    const Value& taggerName = doc["taggerName"];
    assert(taggerName.IsString());
    std::cout << taggerName.GetString() << std::endl;

    return 0;
}

运行结果：

3
4
1659417448280555521
liangshimin