CTPAPIV1.0-行情订阅
<p><strong>简要描述：</strong> </p>
<ul>
<li>CTPAPI 行情订阅</li>
</ul>
<p><strong>请求URL：</strong> </p>
<ul>
<li>` ws://139.196.194.235:9988</li>
</ul>
<p><strong>请求方式：</strong></p>
<ul>
<li>websocket </li>
</ul>
<p><strong>参数：</strong> JSON字符串传递 {"Code":"50","xx":"..."}</p>
<table>
<thead>
<tr>
<th style="text-align: left;">参数名</th>
<th style="text-align: left;">必选</th>
<th style="text-align: left;">类型</th>
<th>说明</th>
<th>值</th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align: left;">Code</td>
<td style="text-align: left;">是</td>
<td style="text-align: left;">string</td>
<td>方法标记</td>
<td>50</td>
</tr>
<tr>
<td style="text-align: left;">pInstrument</td>
<td style="text-align: left;">是</td>
<td style="text-align: left;">string</td>
<td>期货品种</td>
<td>sc2002</td>
</tr>
</tbody>
</table>
<p><strong>返回示例</strong></p>
<pre><code> {
"succ": true|false,
"state":详见文档末（StateCode）
"data": {
...
}
}</code></pre>
<p><strong>返回参数说明</strong> </p>
<table>
<thead>
<tr>
<th style="text-align: left;">参数名</th>
<th style="text-align: left;">类型</th>
<th>说明</th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align: left;">succ</td>
<td style="text-align: left;">bool</td>
<td>成功标记 取值 true 或者 false</td>
</tr>
</tbody>
</table>
<p><strong>备注</strong> </p>
<ul>
<li>
<p>更多返回错误代码请看首页的错误代码描述</p>
<pre><code>/// StateCode ctp返回错误枚举
public enum CTPErrorEnum
{
/// <summary>
/// 用户报单异常
/// </summary>
OrderErrorBD = 1,
/// <summary>
/// 用户报单成功
/// </summary>
OrderSuccBD = 2,
/// <summary>
/// 订单委托标记
/// </summary>
OrderTrust = 3,
/// <summary>
/// 订单取消
/// </summary>
OrderCancel = 4,
/// <summary>
/// 用户持仓
/// </summary>
UserPositions = 5,
/// <summary>
/// 用户退出
/// </summary>
UserLogout = 6,
/// <summary>
/// 用户连接成功
/// </summary>
UserConnectionSucc = 7,
/// <summary>
/// 用户登录成功
/// </summary>
UserLogSucc = 8,
/// <summary>
/// 用户登录失败
/// </summary>
UserLogErr = 9,
/// <summary>
/// 参数错误
/// </summary>
ParamError = 10,
/// <summary>
/// 行情Titck
/// </summary>
QuoteTick = 11,
/// <summary>
/// 行情Titck 连接成功
/// </summary>
QuoteTickSucc = 12,
/// <summary>
/// 行情Titck 断开
/// </summary>
QuoteTickLogout = 13,
/// <summary>
/// 行情Titck 错误
/// </summary>
QuoteTickError = 14,
/// <summary>
/// 合约信息
/// </summary>
Instrument = 15,
/// <summary>
/// 资金权益
/// </summary>
TradingAccount = 16
}</code></pre>
</li>
</ul>