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	<title>信易科技用户论坛| juyangyang93 | 动态</title>
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				<title>juyangyang93 回答了 一个问题</title>
				<link>https://www.shinnytech.com/?p=23731</link>
				<pubDate>Tue, 21 Feb 2023 06:15:43 +0800</pubDate>

									<content:encoded><![CDATA[<p>from datetime import date<br />
from tqsdk import TqApi, TqAuth, TqBacktest<br />
api = TqApi(backtest=TqBacktest(start_dt=date(2022, 12, 11), end_dt=date(2023, 1, 17)), auth=TqAuth(&#8220;信易账户&#8221;, &#8220;账户密码&#8221;))</p>
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				<title>juyangyang93 回答了 一个问题</title>
				<link>https://www.shinnytech.com/?p=23730</link>
				<pubDate>Tue, 21 Feb 2023 06:12:45 +0800</pubDate>

									<content:encoded><![CDATA[<p>程序启动后，进行到查询合约时抛出了个异常，根本原因是你的合约代码写错了，<br />
&#8220;&#8221;&#8221;<br />
获取指定合约的盘口行情.</p>
<p>Args:<br />
    symbol (str): 指定合约代码。</p>
<p>Returns:<br />
    :py:class:`~tqsdk.objs.Quote`: 返回一个盘口行情引用. 其内容将在 :py:meth:`~tqsdk.api.TqApi.wait_update` 时更新.</p>
<p>注意:<br />
1. 在 tqs [&hellip;]</p>
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