Python 脚本（外部）
    ↓ tqcenter.tq.send_bt_data()
通达信 TQ 策略管理器（内部运行）
    ↓ SIGNALS_TQ(ID, TYPE)
K 线图公式显示 B/S 信号

from datetime import datetime, time, timedelta
from tqcenter import tq

STOCK_CODE = "001896.SZ"
TRADE_DATE = "20260401"
SIGNAL_TIME = datetime.strptime("20260401 10:07", "%Y%m%d %H:%M")


def _build_bars(trade_date, step_minutes, sessions):
    d = datetime.strptime(trade_date, "%Y%m%d").date()
    out = []
    for st, et in sessions:
        cur = datetime.combine(d, st)
        end_dt = datetime.combine(d, et)
        while cur <= end_dt:
            out.append(cur)
            cur += timedelta(minutes=step_minutes)
    return out

def build_1m(td):
    return _build_bars(td, 1,  [(time(9,31), time(11,30)), (time(13,1),  time(15,0))])

def build_5m(td):
    return _build_bars(td, 5,  [(time(9,35), time(11,30)), (time(13,5),  time(15,0))])

def build_15m(td):
    return _build_bars(td, 15, [(time(9,45), time(11,30)), (time(13,15), time(15,0))])

def build_30m(td):
    return _build_bars(td, 30, [(time(10,0), time(11,30)), (time(14,0),  time(15,0))])

def build_60m(td):
    d = datetime.strptime(td, "%Y%m%d").date()
    return [datetime.combine(d, t) for t in
            [time(10,30), time(11,30), time(14,0), time(15,0)]]


def send_period(bars, signal_dt, label):
    """找到包含信号时间的 bar，发送该周期数据。"""
    signal_bar = next((b for b in bars if b >= signal_dt), None)
    if signal_bar is None:
        print(f"[{label}] no matching bar")
        return
    time_list = [b.strftime("%Y%m%d%H%M%S") for b in bars]
    data_list = [["0", "1" if b == signal_bar else "0"] for b in bars]
    res = tq.send_bt_data(stock_code=STOCK_CODE,
                          time_list=time_list, data_list=data_list,
                          count=len(time_list))
    print(f"[{label}] signal_bar={signal_bar.strftime('%H:%M')} res={res}")


def main():
    tq.initialize(__file__)
    try:
        send_period(build_1m(TRADE_DATE),  SIGNAL_TIME, "1m")
        send_period(build_5m(TRADE_DATE),  SIGNAL_TIME, "5m")
        send_period(build_15m(TRADE_DATE), SIGNAL_TIME, "15m")
        send_period(build_30m(TRADE_DATE), SIGNAL_TIME, "30m")
        send_period(build_60m(TRADE_DATE), SIGNAL_TIME, "60m")
        # 日线
        res = tq.send_bt_data(stock_code=STOCK_CODE,
                              time_list=[TRADE_DATE], data_list=[["0","1"]], count=1)
        print(f"[daily] res={res}")
    finally:
        tq.close()


if __name__ == "__main__":
    main()

time_list[i]   = "YYYYMMDDHHMMSS"   每根 bar 的时间
data_list[i]   = ["v1", "v2", ...]  该 bar 对应的多列数据（字符串）

SIGNALS_TQ(1, 0)  →  读取 data_list[i][0]（第1列）
SIGNALS_TQ(2, 0)  →  读取 data_list[i][1]（第2列）
SIGNALS_TQ(N, 0)  →  读取 data_list[i][N-1]（第N列）

{只显示卖出信号}
SELL_SIGNAL:=SIGNALS_TQ(2,0)>0;
DRAWICON(SELL_SIGNAL,HIGH,2);
DRAWTEXT(SELL_SIGNAL,HIGH,'S'),COLORRED;

BUY_SIGNAL:=SIGNALS_TQ(1,0)>0;
SELL_SIGNAL:=SIGNALS_TQ(2,0)>0;
DRAWICON(BUY_SIGNAL,LOW,1);
DRAWICON(SELL_SIGNAL,HIGH,2);
DRAWTEXT(BUY_SIGNAL,LOW,'B'),COLORGREEN;
DRAWTEXT(SELL_SIGNAL,HIGH,'S'),COLORRED;

TQ策略管理  →  策略管理器  →  策略数据  →  双击想要查看的股票

# 第一步：全零覆盖（清空）
zero_data_list = [["0", "0"] for _ in bars]
tq.send_bt_data(stock_code=STOCK_CODE, time_list=time_list,
                data_list=zero_data_list, count=len(time_list))

# 第二步：发实际 B/S 信号
tq.send_bt_data(stock_code=STOCK_CODE, time_list=time_list,
                data_list=actual_data_list, count=len(time_list))

Python 写信号文件（CSV）
    ↓
DLL 实时读取文件，按 DATE/TIME 匹配每根 bar
    ↓ TDXDLL1(nFuncMark, DATE, TIME, 0)
K 线图公式显示 B/S 信号（实时生效，无需手动刷新）

// 函数签名（注意：pfOUT 是第2个参数，不是最后一个）
void MyFunc(int DataLen, float* pfOUT, float* pfINa, float* pfINb, float* pfINc);

// 注册函数数组（以 {0, NULL} 结尾）
PluginTCalcFuncInfo g_CalcFuncSets[] =
{
    {1, (pPluginFUNC)&MyFunc1},
    {2, (pPluginFUNC)&MyFunc2},
    {0, NULL},   // 结尾标记，必须有
};

// 导出函数
BOOL RegisterTdxFunc(PluginTCalcFuncInfo** pFun)
{
    if (*pFun == NULL) {
        *pFun = g_CalcFuncSets;
        return TRUE;
    }
    return FALSE;
}

公式：TDXDLL1(nFuncMark, Param1, Param2, Param3)
          ↓
DLL：MyFunc(DataLen, pfOUT, pfINa=Param1, pfINb=Param2, pfINc=Param3)

# type,yyyymmdd,HHMM
B,20260403,950
S,20260403,1010

@echo off
setlocal

REM 自动寻找 VS2017 vcvars64.bat
set VCVARS=
for /f "delims=" %%i in ('dir /b /s "%ProgramFiles(x86)%\Microsoft Visual Studio\2017\*\VC\Auxiliary\Build\vcvars64.bat" 2^>nul') do (
    set VCVARS=%%i
    goto :found_vc
)
echo [ERROR] 未找到 VS2017，请确认已安装 Visual Studio 2017
pause & exit /b 1

:found_vc
echo [INFO] 使用: %VCVARS%
call "%VCVARS%"

cd /d "%~dp0"

cl.exe /nologo /O2 /EHsc /LD ^
    /DWIN32 /D_WINDOWS /D_USRDLL /DPLUGIN_EXPORTS ^
    TdxSignal.cpp ^
    /link /DLL /OUT:TdxSignal.dll /MACHINE:X64 ^
    kernel32.lib

if %ERRORLEVEL% neq 0 (
    echo [ERROR] 编译失败
    pause & exit /b 1
)
echo [OK] 编译成功: TdxSignal.dll
pause

import subprocess
vcvars = r'C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvars64.bat'
src_dir = r'<项目目录>\tdx_signal_dll'
cmd = f'cmd /c "call "{vcvars}" && cd /d "{src_dir}" && cl.exe /nologo /O2 /EHsc /LD /DWIN32 /D_WINDOWS /D_USRDLL /DPLUGIN_EXPORTS TdxSignal.cpp /link /DLL /OUT:TdxSignal.dll /MACHINE:X64 kernel32.lib"'
subprocess.run(cmd, shell=True)

B:=TDXDLL1(1,DATE,TIME,0);
S:=TDXDLL1(2,DATE,TIME,0);

DIST:=ATR(14);

{箭头：紧贴K线}
DRAWICON(B,LOW-DIST*0.3,1);
DRAWICON(S,HIGH+DIST*0.3,2);

{文字：离箭头更远，用ATR动态偏移}
DRAWTEXT(B,LOW-DIST*1.8,'▲ BUY'),COLORRED;
DRAWTEXT(S,HIGH+DIST*1.8,'▼ SELL'),COLORGREEN;

[reload] loading tdx_signal.csv
[reload]   type=1 date=1260403 time=950
[reload]   type=2 date=1260403 time=1010
[calc] sigType=1 DataLen=420
[calc] pfINa[0]=1260402.000000(date?) pfINb[0]=931.000000(time?)
[calc] HIT type=1 date=1260403 time=950 bar=259