jsoncpp添加各種類型成員

    Json::Value root;
    root["jsonrpc"]="2.0";
    root["id"]=98;
    root["method"]="call";
    root["params"].append("00000000000000000000000000000000000000");
    root["params"].append("kpalive");
    root["params"].append("status");
    root["params"].append(Json::objectValue);
    Json::StreamWriterBuilder builder;
    const std::string json_file = Json::writeString(builder, root);
    std::cout << json_file << std::endl;
    return 0;

打印效果

{
	"id" : 98,
	"jsonrpc" : "2.0",
	"method" : "call",
	"params" : 
	[
		"00000000000000000000000000000000000000",
		"kpalive",
		"status",
		{}
	]
}
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