feat(data):替换A股K线数据源(不再强制依赖Tushare)

- 新增 GetKLineData 方法，用于获取指定股票的 K线数据
- 实现了将 JSON 数据转换为 Markdown 表格的函数 JSONToMarkdownTable- 在 NewChatStream 中添加了对 A 股 K线数据的获取和展示逻辑- 增加了相关测试用例

backend/data/openai_api.go

@@ -7,6 +7,7 @@ import (
 	"fmt"
 	"github.com/PuerkitoBio/goquery"
 	"github.com/chromedp/chromedp"
+	"github.com/duke-git/lancet/v2/convertor"
 	"github.com/duke-git/lancet/v2/strutil"
 	"github.com/go-resty/resty/v2"
 	"github.com/wailsapp/wails/v2/pkg/runtime"
@@ -133,6 +134,15 @@ func (o OpenAi) NewChatStream(stock, stockCode, userQuestion string, sysPromptId
 			},
 		}
 
+		msg = append(msg, map[string]interface{}{
+			"role":    "user",
+			"content": "当前时间",
+		})
+		msg = append(msg, map[string]interface{}{
+			"role":    "assistant",
+			"content": "当前本地时间是:" + time.Now().Format("2006-01-02 15:04:05"),
+		})
+
 		question := ""
 		if userQuestion == "" {
 			replaceTemplates := map[string]string{
@@ -180,21 +190,49 @@ func (o OpenAi) NewChatStream(stock, stockCode, userQuestion string, sysPromptId
 
 		go func() {
 			defer wg.Done()
-			endDate := time.Now().Format("20060102")
-			startDate := time.Now().Add(-time.Hour * time.Duration(24*o.KDays)).Format("20060102")
-			code := stockCode
-			if strutil.HasPrefixAny(stockCode, []string{"hk", "sz", "sh"}) {
-				code = ConvertStockCodeToTushareCode(stockCode)
+			//endDate := time.Now().Format("20060102")
+			//startDate := time.Now().Add(-time.Hour * time.Duration(24*o.KDays)).Format("20060102")
+			//code := stockCode
+			//if strutil.HasPrefixAny(stockCode, []string{"hk"}) {
+			//	code = ConvertStockCodeToTushareCode(stockCode)
+			//	K := NewTushareApi(GetConfig()).GetDaily(code, startDate, endDate, o.CrawlTimeOut)
+			//	msg = append(msg, map[string]interface{}{
+			//		"role":    "user",
+			//		"content": stock + "日K数据",
+			//	})
+			//	msg = append(msg, map[string]interface{}{
+			//		"role":    "assistant",
+			//		"content": stock + "日K数据如下：\n" + K,
+			//	})
+			//}
+
+			if strutil.HasPrefixAny(stockCode, []string{"sz", "sh"}) {
+				K := NewStockDataApi().GetKLineData(stockCode, "240", o.KDays)
+				Kmap := &[]map[string]any{}
+				for _, kline := range *K {
+					mapk := make(map[string]any, 6)
+					mapk["日期"] = kline.Day
+					mapk["开盘价"] = kline.Open
+					mapk["最高价"] = kline.High
+					mapk["最低价"] = kline.Low
+					mapk["收盘价"] = kline.Close
+					Volume, _ := convertor.ToFloat(kline.Volume)
+					mapk["成交量(万手)"] = Volume / 10000.00 / 100.00
+					*Kmap = append(*Kmap, mapk)
 				}
-			K := NewTushareApi(GetConfig()).GetDaily(code, startDate, endDate, o.CrawlTimeOut)
+				jsonData, _ := json.Marshal(Kmap)
+				markdownTable, _ := JSONToMarkdownTable(jsonData)
 				msg = append(msg, map[string]interface{}{
 					"role":    "user",
 					"content": stock + "日K数据",
 				})
 				msg = append(msg, map[string]interface{}{
 					"role":    "assistant",
-				"content": stock + "日K数据如下：\n" + K,
+					"content": "## " + stock + "日K数据如下：\n" + markdownTable,
 				})
+				logger.SugaredLogger.Infof("getKLineData=\n%s", markdownTable)
+			}
+
 		}()
 
 		go func() {

backend/data/openai_api_test.go

@@ -9,7 +9,7 @@ import (
 func TestNewDeepSeekOpenAiConfig(t *testing.T) {
 	db.Init("../../data/stock.db")
 	ai := NewDeepSeekOpenAi(context.TODO())
-	res := ai.NewChatStream("中信证券", "hk06030", "中信证券分析和总结", nil)
+	res := ai.NewChatStream("长电科技", "sh600584", "长电科技分析和总结", nil)
 	for {
 		select {
 		case msg := <-res:

backend/data/stock_data_api.go

@@ -1075,3 +1075,73 @@ func CheckBrowserOnWindows() (string, bool) {
 	}
 	return path + "\\msedge.exe", true
 }
+
+func (receiver StockDataApi) GetKLineData(stockCode string, kLineType string, days int64) *[]KLineData {
+	url := fmt.Sprintf("http://quotes.sina.cn/cn/api/json_v2.php/CN_MarketDataService.getKLineData?symbol=%s&scale=%s&ma=yes&days=%d", stockCode, kLineType, days)
+	K := &[]KLineData{}
+	_, err := receiver.client.SetTimeout(time.Duration(receiver.config.CrawlTimeOut)*time.Second).R().
+		SetHeader("Host", "quotes.sina.cn").
+		SetHeader("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36 Edg/119.0.0.0").
+		SetResult(K).
+		Get(url)
+	if err != nil {
+		logger.SugaredLogger.Errorf("err:%s", err.Error())
+		return K
+	}
+	return K
+}
+
+// JSONToMarkdownTable 将JSON数据转换为Markdown表格
+func JSONToMarkdownTable(jsonData []byte) (string, error) {
+	var data []map[string]interface{}
+	err := json.Unmarshal(jsonData, &data)
+	if err != nil {
+		return "", err
+	}
+
+	if len(data) == 0 {
+		return "", nil
+	}
+
+	// 获取表头
+	headers := []string{}
+	for key := range data[0] {
+		headers = append(headers, key)
+	}
+
+	// 构建表头行
+	headerRow := "|"
+	for _, header := range headers {
+		headerRow += fmt.Sprintf(" %s |", header)
+	}
+	headerRow += "\n"
+
+	// 构建分隔行
+	separatorRow := "|"
+	for range headers {
+		separatorRow += " --- |"
+	}
+	separatorRow += "\n"
+
+	// 构建数据行
+	bodyRows := ""
+	for _, rowData := range data {
+		bodyRow := "|"
+		for _, header := range headers {
+			value := rowData[header]
+			bodyRow += fmt.Sprintf(" %v |", value)
+		}
+		bodyRows += bodyRow + "\n"
+	}
+
+	return headerRow + separatorRow + bodyRows, nil
+}
+
+type KLineData struct {
+	Day    string `json:"day"`
+	Open   string `json:"open"`
+	High   string `json:"high"`
+	Low    string `json:"low"`
+	Close  string `json:"close"`
+	Volume string `json:"volume"`
+}

backend/data/stock_data_api_test.go

@@ -57,6 +57,21 @@ func TestSearchStockPriceInfo(t *testing.T) {
 
 }
 
+func TestGetKLineData(t *testing.T) {
+	db.Init("../../data/stock.db")
+	k := NewStockDataApi().GetKLineData("sh600171", "240", 30)
+	//for _, kline := range *k {
+	//	logger.SugaredLogger.Infof("%+#v", kline)
+	//}
+	jsonData, _ := json.Marshal(*k)
+	markdownTable, err := JSONToMarkdownTable(jsonData)
+	if err != nil {
+		logger.SugaredLogger.Errorf("json.Marshal error:%s", err.Error())
+	}
+	logger.SugaredLogger.Infof("markdownTable:\n%s", markdownTable)
+
+}
+
 func TestGetRealTimeStockPriceInfo(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 	defer cancel()