技术指标查询

import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

public class ToolkkExample {
    public static void main(String[] args) throws Exception {
        String payload = "{\n  \"symbol\": \"合约代码(参考连接 http://demo.konpn.com/symbols.shtml )。指标数据只输出最新的10个。计算数据可能因参数原因导致有误，请反...\",\n  \"period\": \"周期取 15S(可能有),1M,3M,5M,10M,15M,30M,1H,2H,4H,D(W周,M月可能有)\",\n  \"indkey\": \"指标Key，支持指标这里查询 map.konpn.com:10002/localrm/query/indicatorlist\",\n  \"outputcount\": \"输出数量，最多500\",\n  \"args\": \"指标参数，json的urlencode传入。对应指标参数格式这里查询 map.konpn.com:10002/localrm/query/indicatorge...\"\n}";

        HttpRequest request = HttpRequest.newBuilder()
            .uri(URI.create("https://openapi.toolkk.com/v1/aliyunmarket-cmapi029045-query-indicator"))
            .method("GET", HttpRequest.BodyPublishers.ofString(payload))
            .header("Content-Type", "application/json")
            .header("X-API-Key", "YOUR_API_KEY")
            .build();

        HttpResponse<String> response = HttpClient.newHttpClient()
            .send(request, HttpResponse.BodyHandlers.ofString());

        System.out.println(response.body());
    }
}