新增按交易所同步股票功能，支持 SSE/SZSE/BSE

backend/internal/datasource/tushare.go

@@ -25,11 +25,22 @@ type StockBasic struct {
 	Name       string
 	Area       string
 	Industry   string
+	Fullname   string
+	Enname     string
+	Cnspell    string
 	Market     string
 	Exchange   string
+	CurrType   string
 	ListStatus string
+	ListDate   string
+	DelistDate string
+	IsHs       string
+	ActName    string
+	ActEntType string
 }
 
+const stockBasicFields = "ts_code,symbol,name,area,industry,fullname,enname,cnspell,market,exchange,curr_type,list_status,list_date,delist_date,is_hs,act_name,act_ent_type"
+
 // Client 封装 Tushare Pro HTTP API 调用。
 type Client struct {
 	token   string
@@ -46,43 +57,60 @@ func NewClient() *Client {
 	}
 }
 
+func parseStockBasic(row []any, col map[string]int) StockBasic {
+	return StockBasic{
+		TsCode:     stringAt(row, col["ts_code"]),
+		Symbol:     stringAt(row, col["symbol"]),
+		Name:       stringAt(row, col["name"]),
+		Area:       stringAt(row, col["area"]),
+		Industry:   stringAt(row, col["industry"]),
+		Fullname:   stringAt(row, col["fullname"]),
+		Enname:     stringAt(row, col["enname"]),
+		Cnspell:    stringAt(row, col["cnspell"]),
+		Market:     stringAt(row, col["market"]),
+		Exchange:   stringAt(row, col["exchange"]),
+		CurrType:   stringAt(row, col["curr_type"]),
+		ListStatus: stringAt(row, col["list_status"]),
+		ListDate:   stringAt(row, col["list_date"]),
+		DelistDate: stringAt(row, col["delist_date"]),
+		IsHs:       stringAt(row, col["is_hs"]),
+		ActName:    stringAt(row, col["act_name"]),
+		ActEntType: stringAt(row, col["act_ent_type"]),
+	}
+}
+
 // ListStocks 通过 stock_basic 接口获取全部上市股票基础信息。
 func (c *Client) ListStocks() ([]StockBasic, error) {
 	params := map[string]any{
 		"list_status": "L",
-		"fields":      "ts_code,symbol,name,area,industry,market,exchange,list_status",
+		"fields":      stockBasicFields,
 	}
+	return c.listStockBasic(params)
+}
+
+// ListStocksByExchange 按交易所获取股票基础信息。
+func (c *Client) ListStocksByExchange(exchange string) ([]StockBasic, error) {
+	params := map[string]any{
+		"exchange": exchange,
+		"fields":   stockBasicFields,
+	}
+	return c.listStockBasic(params)
+}
+
+func (c *Client) listStockBasic(params map[string]any) ([]StockBasic, error) {
 	fields, items, err := c.call("stock_basic", params)
 	if err != nil {
 		return nil, fmt.Errorf("stock_basic: %w", err)
 	}
 
 	col := buildColumnMap(fields)
-	idxTsCode := col["ts_code"]
-	idxSymbol := col["symbol"]
-	idxName := col["name"]
-	idxArea := col["area"]
-	idxIndustry := col["industry"]
-	idxMarket := col["market"]
-	idxExchange := col["exchange"]
-	idxListStatus := col["list_status"]
-
 	stocks := make([]StockBasic, 0, len(items))
 	for _, row := range items {
-		code := stringAt(row, idxTsCode)
+		code := stringAt(row, col["ts_code"])
 		if code == "" {
 			continue
 		}
-		stocks = append(stocks, StockBasic{
-			TsCode:     code,
-			Symbol:     stringAt(row, idxSymbol),
-			Name:       stringAt(row, idxName),
-			Area:       stringAt(row, idxArea),
-			Industry:   stringAt(row, idxIndustry),
-			Market:     stringAt(row, idxMarket),
-			Exchange:   stringAt(row, idxExchange),
-			ListStatus: stringAt(row, idxListStatus),
-		})
+		stocks = append(stocks, parseStockBasic(row, col))
 	}
 	return stocks, nil
 }