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sanguo_vnpy/test/backtest/guanyu_full_request.py
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2026-04-11 21:18:55 +08:00

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Python

#!/usr/bin/env python3
"""
关羽完整策略回测请求 - 在容器内执行
"""
import json
from urllib.request import Request, urlopen
from urllib.error import URLError
# 关羽完整策略代码
strategy_code = '''from vnpy_ctastrategy import (
CtaTemplate,
StopOrder,
TickData,
BarData,
TradeData,
OrderData,
BarGenerator,
ArrayManager,
)
from vnpy.trader.constant import Direction, Offset
class SingleStockStopLossStrategy(CtaTemplate):
"""单票固定比例止损策略 - 均线趋势跟踪+固定比例止损"""
author = "关羽 (云长)"
# 策略参数
fast_window = 5 # 短期均线窗口
slow_window = 20 # 长期均线窗口
stop_loss_pct = 0.15 # 止损比例,亏损超过这个比例止损
# 参数列表
parameters = ["fast_window", "slow_window", "stop_loss_pct"]
# 变量列表
variables = ["fast_ma", "slow_ma", "cost_price", "in_position"]
def __init__(self, cta_engine, strategy_name, vt_symbol, setting):
"""初始化"""
super().__init__(cta_engine, strategy_name, vt_symbol, setting)
self.bg = BarGenerator(self.on_bar)
self.am = ArrayManager(max(self.slow_window + 10, 100))
# 均线数值
self.fast_ma = 0.0
self.slow_ma = 0.0
# 开仓成本
self.cost_price = 0.0
# 是否持仓
self.in_position = False
def on_init(self):
"""初始化策略"""
self.write_log(f"策略初始化,fast={self.fast_window}, slow={self.slow_window}, stop_loss={self.stop_loss_pct:.1%}")
self.put_event()
def on_start(self):
"""启动策略"""
self.put_event()
def on_stop(self):
"""停止策略"""
self.put_event()
def on_bar(self, bar):
"""K线更新"""
self.am.update_bar(bar)
if not self.am.inited:
return
# 计算均线
self.fast_ma = self.am.sma(self.fast_window)
self.slow_ma = self.am.sma(self.slow_window)
# 检查止损(只有持仓时才检查)
have_signal = True
if self.in_position and self.cost_price > 0:
current_drawdown = (bar.close_price - self.cost_price) / self.cost_price
if current_drawdown <= -self.stop_loss_pct:
# 触发止损,全部平仓
if self.pos > 0:
self.sell(bar.close_price, self.pos)
self.in_position = False
self.write_log(f"🔴 触发止损:成本{self.cost_price:.2f},当前{bar.close_price:.2f},回撤{current_drawdown:.1%},止损卖出")
have_signal = False
# 如果没有触发止损,继续处理信号
if have_signal:
# 均线金叉死叉信号
if not self.in_position:
# 金叉:短期上穿长期,开多
if self.fast_ma > self.slow_ma:
self.buy(bar.close_price, 1) # 1手
self.cost_price = bar.close_price
self.in_position = True
self.write_log(f"🟢 金叉开多:价格{bar.close_price:.2f},均线fast{self.fast_ma:.2f} slow{self.slow_ma:.2f}")
else:
# 死叉:短期下穿长期,平多
if self.fast_ma < self.slow_ma:
if self.pos > 0:
self.sell(bar.close_price, self.pos)
self.in_position = False
self.write_log(f"🔵 死叉平仓:价格{bar.close_price:.2f},均线fast{self.fast_ma:.2f} slow{self.slow_ma:.2f}")
self.put_event()
def on_trade(self, trade):
"""交易成交回调"""
self.put_event()
def on_order(self, order):
"""订单回调"""
self.put_event()
def on_stop_order(self, stop_order):
"""停止单回调"""
self.put_event()
'''
# 请求数据 - 关羽完整参数
request_data = {
'strategy_code': strategy_code,
'symbol': '510300.SSE',
'interval': '1d',
'start': 1609459200,
'end': 1772515200,
'capital': 1000000,
'rate': 3e-5,
'slippage': 0.002,
'size': 10000,
'pricetick': 0.001,
'data_source': 'sqlite'
}
# 发送请求
try:
url = 'http://127.0.0.1:8088/api/backtest/run'
data = json.dumps(request_data).encode('utf-8')
req = Request(url, data=data, method='POST')
req.add_header('Content-Type', 'application/json')
print("🔄 发送关羽完整策略回测请求 (5年区间)...")
print(" 标的: 510300.SSE")
print(" 区间: 2021-01-01 ~ 2026-03-01")
print(" 止损: 15%")
print(" 等待响应... 可能需要几分钟")
with urlopen(req, timeout=300) as f:
response = f.read().decode('utf-8')
print("\n" + "="*70)
print("回测结果:")
print("="*70)
print(response)
print("="*70)
except URLError as e:
print(f"❌ 请求失败: {e}")
except Exception as e:
print(f"❌ 错误: {e}")
import traceback
traceback.print_exc()