新增T-1日开盘涨跌幅字段

docs/download-second-board-profit-csv.md

@@ -95,6 +95,7 @@ GET /api/v1/download/limit-board/second-board-profit-csv?tradeStartDate=2026-04-
 | `name` | `string` | `股票简称` | 股票简称 |
 | `market` | `string` | `市场` | 市场信息 |
 | `industry` | `string` | `行业` | 所属行业 |
+| `previous_open_pct_chg` | `number \| null` | `T-1日开盘涨跌幅%` | T-1 日开盘价相对 T-2 收盘价的涨跌幅百分比 |
 | `open_pct_chg` | `number \| null` | `T日开盘涨跌幅%` | T 日开盘价相对 T-1 收盘价的涨跌幅百分比 |
 | `next_open_pct_chg` | `number \| null` | `T+1日开盘涨跌幅%` | T+1 日开盘价相对 T 日收盘价的涨跌幅百分比 |
 | `next_open_profitable` | `string` | `T+1开盘是否盈利` | T+1 开盘收益大于 0 时为 `是`，否则为 `否`；无次日数据时为 `无次日数据` |
@@ -133,6 +134,7 @@ GET /api/v1/download/limit-board/second-board-profit-csv?tradeStartDate=2026-04-
       "name": "示例股份",
       "market": "主板",
       "industry": "软件开发",
+      "previous_open_pct_chg": -1.25,
       "open_pct_chg": 1.36,
       "next_open_pct_chg": 2.38,
       "next_open_profitable": "是",
@@ -166,6 +168,7 @@ CSV 字段顺序：
 | `股票简称` | 股票简称 |
 | `市场` | 市场信息 |
 | `行业` | 所属行业 |
+| `T-1日开盘涨跌幅%` | T-1 日开盘价相对 T-2 收盘价的涨跌幅百分比 |
 | `T日开盘涨跌幅%` | T 日开盘价相对 T-1 收盘价的涨跌幅百分比 |
 | `T+1日开盘涨跌幅%` | T+1 日开盘价相对 T 日收盘价的涨跌幅百分比 |
 | `T+1开盘是否盈利` | T+1 开盘收益大于 0 时为 `是`，否则为 `否`；无次日数据时为 `无次日数据` |

internal/api/limit_second_profit_csv_handler.go

@@ -28,6 +28,8 @@ type secondProfitCSVRow struct {
 	Name                   string          `gorm:"column:name"`
 	Market                 string          `gorm:"column:market"`
 	Industry               string          `gorm:"column:industry"`
+	PreviousOpen           sql.NullFloat64 `gorm:"column:previous_open"`
+	PreviousTwoClose       sql.NullFloat64 `gorm:"column:previous_two_close"`
 	Open                   sql.NullFloat64 `gorm:"column:open"`
 	Close                  sql.NullFloat64 `gorm:"column:close_price"`
 	LimitPrice             float64         `gorm:"column:limit_price"`
@@ -44,6 +46,7 @@ type secondProfitCSVRow struct {
 	NextLow                sql.NullFloat64 `gorm:"column:next_low"`
 	NextClose              sql.NullFloat64 `gorm:"column:next_close"`
 	OpenPreviousCloseRatio float64
+	PreviousOpenPctChg     sql.NullFloat64
 	OpenPctChg             sql.NullFloat64
 	NextOpenReturnPct      sql.NullFloat64
 	NextHighReturnPct      sql.NullFloat64
@@ -86,6 +89,7 @@ type secondProfitListItem struct {
 	Name                   string   `json:"name"`
 	Market                 string   `json:"market"`
 	Industry               string   `json:"industry"`
+	PreviousOpenPctChg     *float64 `json:"previous_open_pct_chg"`
 	OpenPctChg             *float64 `json:"open_pct_chg"`
 	NextOpenPctChg         *float64 `json:"next_open_pct_chg"`
 	NextOpenProfitable     string   `json:"next_open_profitable"`
@@ -323,6 +327,8 @@ SELECT
 	COALESCE(l.name, '') AS name,
 	COALESCE(l.market, '') AS market,
 	COALESCE(l.tushare_industry, '') AS industry,
+	pd.open AS previous_open,
+	COALESCE(pd.pre_close, ppd.close) AS previous_two_close,
 	d.open,
 	COALESCE(l.calc_close, l.tushare_close, d.close) AS close_price,
 	COALESCE(l.calc_limit_price, 0) AS limit_price,
@@ -349,6 +355,8 @@ LEFT JOIN stock_daily d
 	ON l.ts_code = d.ts_code AND d.trade_date = l.trade_date
 LEFT JOIN stock_daily pd
 	ON l.ts_code = pd.ts_code AND pd.trade_date = c.previous_trade_date
+LEFT JOIN stock_daily ppd
+	ON l.ts_code = ppd.ts_code AND ppd.trade_date = c.previous_two_trade_date
 LEFT JOIN stock_daily nd
 	ON l.ts_code = nd.ts_code AND nd.trade_date = c.next_trade_date
 WHERE c.trade_date BETWEEN ? AND ?
@@ -378,6 +386,12 @@ ORDER BY c.trade_date ASC, l.ts_code ASC`
 				Valid:   true,
 			}
 		}
+		if row.PreviousOpen.Valid && row.PreviousTwoClose.Valid && row.PreviousTwoClose.Float64 > 0 {
+			row.PreviousOpenPctChg = sql.NullFloat64{
+				Float64: secondProfitRound2((row.PreviousOpen.Float64 - row.PreviousTwoClose.Float64) / row.PreviousTwoClose.Float64 * 100),
+				Valid:   true,
+			}
+		}
 		if req.OpenPctChgRule.Enabled() && (!row.OpenPctChg.Valid || !req.OpenPctChgRule.Match(row.OpenPctChg.Float64)) {
 			continue
 		}
@@ -399,6 +413,7 @@ ORDER BY c.trade_date ASC, l.ts_code ASC`
 func secondProfitCSVHeaders() []string {
 	return []string{
 		"交易日", "股票代码", "股票简称", "市场", "行业",
+		"T-1日开盘涨跌幅%",
 		"T日开盘涨跌幅%", "T+1日开盘涨跌幅%",
 		"T+1开盘是否盈利", "T+1收盘是否盈利", "T+1盘中是否可盈利",
 		"T+1最高盈利%", "T+1最低盈利%", "开板次数", "换手率%",
@@ -413,6 +428,7 @@ func secondProfitCSVRecord(row secondProfitCSVRow) []string {
 		row.Name,
 		row.Market,
 		row.Industry,
+		secondProfitFormatNullFloat(row.PreviousOpenPctChg),
 		secondProfitFormatNullFloat(row.OpenPctChg),
 		secondProfitFormatNullFloat(row.NextOpenReturnPct),
 		row.NextOpenProfitable,
@@ -435,6 +451,7 @@ func secondProfitBuildItem(row secondProfitCSVRow) secondProfitListItem {
 		Name:                   row.Name,
 		Market:                 row.Market,
 		Industry:               row.Industry,
+		PreviousOpenPctChg:     secondProfitNullFloatPtr(row.PreviousOpenPctChg),
 		OpenPctChg:             secondProfitNullFloatPtr(row.OpenPctChg),
 		NextOpenPctChg:         secondProfitNullFloatPtr(row.NextOpenReturnPct),
 		NextOpenProfitable:     row.NextOpenProfitable,