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- 注册: 
 - 2021-5-18
 
- 曾用名: 
 
 
 
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运行时提示第7行错误,请帮忙看看 
 
 
 
import time 
import talib 
from collections import deque 
def init(context): 
    """策略初始化""" 
    context.contract = '000001.SH'  # 合约代码(示例:上证指数) 
    reg_kdata('1min', 10, handle_bar)  # 订阅1分钟K线,缓存10根 
 
    # 初始化状态变量 
    context.position = 0  # 当前持仓状态(0:空仓,1:多仓,-1:空仓) 
    context.last_trade_time = 0  # 上次交易时间戳 
 
def handle_bar(context, bars): 
    """K线数据处理""" 
    current = bars[-1]  # 获取最新K线 
    prev = bars[-2]     # 获取前一根K线 
 
    # 示例交易逻辑(金叉/死叉) 
    ma5 = talib.MA(current.close, 5) 
    ma10 = talib.MA(current.close, 10) 
 
    if cross_over(ma5, ma10): 
        buy_open(context.contract, 'Market', 0, 100,serial_id = 1)  # 金叉开多 
    elif cross_under(ma5, ma10): 
        sell_close(context.contract, 'Market', 0, 100,serial_id = 2)  # 死叉平多 
 
 
 
    # 注册K线周期(假设为1分钟线) 
    reg_kdata('1min', 4, handle_bar) 
 
def handle_bar(context, bars): 
    """处理每根新K线""" 
    # 更新K线队列 
    context.last_klines.append(bars[-1]) 
 
    if len(context.last_klines) < 4: 
        return  # 等待数据充足 
 
    # 获取必要数据 
    current = context.last_klines[-1] 
    prev2 = context.last_klines[-2] 
    prev3 = context.last_klines[-3] 
 
    # 检查仓位并执行逻辑 
    if context.position == 0: 
        check_open_long(context, current, prev2, prev3) 
        check_open_short(context, current, prev2, prev3) 
    else: 
        check_close(context, current, prev3) 
 
def check_open_long(context, current, prev2, prev3): 
    """检查多头开仓条件""" 
    if (current['close'] > prev3['close'] and  
        current['low'] >= prev2['low']): 
        # 尝试开多仓 
        if open_position(context, 1): 
            context.position = 1 
            context.entry_price = current['close'] 
 
def check_open_short(context, current, prev2, prev3): 
    """检查空头开仓条件""" 
    if (current['close'] < prev3['close'] and  
        current['high'] <= prev2['low']): 
        # 尝试开空仓 
        if open_position(context, -1): 
            context.position = -1 
            context.entry_price = current['close'] 
 
def open_position(context, direction 
 
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