dev 3

go-client/libs/signal.go

@@ -0,0 +1,46 @@
+package libs
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+)
+
+var (
+	Dcm_Signal = "/a/dcm_signal"
+)
+
+type SignalResult struct {
+	Code    string                `json:"code"`
+	Total   int                   `json:"total"`
+	Updated string                `json:"updated"`
+	Data    map[string]SignalItem `json:"data"`
+	Message string                `json:"message"`
+}
+
+type SignalItem struct {
+	Code          string             `json:"code"`
+	Name          string             `json:"name"`
+	Desc          string             `json:"desc"`
+	LastClose     float64            `json:"last_close"`
+	TechIndicator map[string]float64 `json:"tech_indicator"`
+}
+
+// FetchSignals 启动时读取信号，运行期间直接使用内存数据。
+func FetchSignal(subUrl, host_key string) (*SignalResult, error) {
+	// gen url.
+	fullUrl := fmt.Sprintf("%s%s?host_key=%s&t=%s", API_HOST, subUrl, host_key, randStr(16))
+	// doing
+	payload, err := GetJSON(fullUrl, HTTPTimeout)
+	if err != nil {
+		log.Printf("[ERROR] 获取60m大盘信号失败: %s %v", fullUrl, err)
+		return nil, err
+	}
+
+	var result SignalResult
+	err = json.Unmarshal(payload, &result)
+	if err != nil {
+		return nil, err
+	}
+	return &result, nil
+}