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- 2025-3-9
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下述代码进行编译时,总显示语句末尾缺少分号,请给予解决,谢谢!
using System;using System.Collections.Generic;using System.Data;// 市场状态判断函数public string GetMarketStatus(DataTable indexData) { double close = Convert.ToDouble(indexData.Rows[indexData.Rows.Count - 1]["close"]); double openPrice = Convert.ToDouble(indexData.Rows[indexData.Rows.Count - 1]["open"]); double change = (close / openPrice - 1) * 100; if (change > 2) return "强势"; else if (change < -2) return "弱势"; else return "震荡";}// 连板次数统计函数public int CountLianban(DataTable stockData, int days=365) { int streak = 0; int count = 0; for (int i = 1; i < stockData.Rows.Count; i++) { bool currentZT = Convert.ToBoolean(stockData.Rows["zt"]); bool prevZT = Convert.ToBoolean(stockData.Rows[i-1]["zt"]); if (currentZT && prevZT) streak++; else { if (streak >= 2) count += 1; streak = 0; } } return count;}// 炸板分析函数public Dictionary<string, object> AnalyzeZhaoban(DataTable minuteData) { int zhaobanCount = 0; double totalTime = 0; double peak = 0; double tailFengdan = 0; for (int idx = 0; idx < minuteData.Rows.Count; idx++) { double currentPrice = Convert.ToDouble(minuteData.Rows[idx]["price"]); double ztPrice = Convert.ToDouble(minuteData.Rows[idx]["zt_price"]); if (currentPrice < ztPrice) { zhaobanCount++; int startTime = idx; while (idx < minuteData.Rows.Count && Convert.ToDouble(minuteData.Rows[idx]["price"]) < ztPrice) idx++; int endTime = idx; totalTime += (endTime - startTime)*1.0; // 假设每行是1分钟数据 } double currentBuyVol = Convert.ToDouble(minuteData.Rows[idx]["buy_volume"]); if (currentBuyVol > peak) peak = currentBuyVol; } tailFengdan = minuteData.Compute("AVG(buy_volume)", "Time >= '14:30'"); // 假设尾盘30分钟 return new Dictionary<string, object> { {"zhaoban_count", zhaobanCount}, {"total_time", totalTime}, {"peak", peak}, {"tail_fengdan", tailFengdan} };}// 假封单检测函数public bool DetectFakeFengdan(DataRow stockRow) { double[] buyVolumes = new double[stockRow.Table.Rows.Count]; for (int i=0; i<buyVolumes.Length; i++) { buyVolumes = Convert.ToDouble(stockRow.Table.Rows["buy_volume"]); } double mean = buyVolumes.Average(); double std = Math.Sqrt(buyVolumes.Average(x => Math.Pow(x - mean, 2))); return (std/mean) > 2;}// 主选股函数public List<string> SelectStocks(DataTable allStocks, DataTable indexData, DateTime todayDate) { string marketStatus = GetMarketStatus(indexData); // 参数初始化 var params = new Dictionary<string, object> { {"max_lianban", 8}, {"fengcheng_ratio", 0.02}, {"allow_2nd_board", true} }; // 根据市场状态调整参数 if (marketStatus == "强势") params["max_lianban"] = 6; else if (marketStatus == "震荡") params["fengcheng_ratio"] = 0.025; else params["allow_2nd_board"] = false; // 筛选首板/二板 var candidates = allStocks.AsEnumerable() .Where(r => (bool)r["is_first_board"] || ((bool)r["is_second_board"] && (bool)params["allow_2nd_board"])) .CopyToDataTable(); // 基础过滤 var filtered = candidates.AsEnumerable() .Where(r => !r["name"].ToString().Contains("ST") && !r["name"].ToString().Contains("*ST") && Convert.ToDouble(r["close"]) >= 1 && Convert.ToDouble(r["market_cap"]) >= 300000000 && !new[] {"科创板", "北交所", "新三板"}.Contains(r["exchange"].ToString()) && (todayDate - Convert.ToDateTime(r["list_date"])).Days >=30 ) .CopyToDataTable(); // 统计指标过滤 filtered = filtered.AsEnumerable() .Where(r => Convert.ToInt32(r["half_year_zt_count"]) >=3 && Convert.ToInt32(r["year_lianban_count"]) <= Convert.ToInt32(params["max_lianban"]) ) .CopyToDataTable(); // 炸板过滤 filtered = filtered.AsEnumerable() .Where(r => Convert.ToInt32(r["zhaoban_count"]) <=3 && Convert.ToDouble(r["zhaoban_time"]) <=30 && Convert.ToDouble(r["tail_fengdan"]) >= 0.3 * Convert.ToDouble(r["peak_fengdan"]) ) .CopyToDataTable(); // 封单过滤 filtered = filtered.AsEnumerable() .Where(r => (Convert.ToDouble(r["fengdan_volume"]) / Convert.ToDouble(r["circulating_cap"])) >= Convert.ToDouble(params["fengcheng_ratio"]) ) .CopyToDataTable(); // 假封单过滤 filtered = filtered.AsEnumerable() .Where(r => !DetectFakeFengdan(r)) .CopyToDataTable(); return filtered.AsEnumerable() .Select(r => r["code"].ToString()) .ToList();}关键修改说明:- 语法调整:
- 所有语句末尾添加分号 ;
- 使用C#风格的{}代码块结构
- 函数返回值类型明确标注(如public string)
- 使用DataTable和DataRow替代pandas的DataFrame
- 数据处理:
- 将pandas的iterrows()替换为AsEnumerable()
- 使用Convert.ToDouble()进行类型转换
- 添加数据过滤的LINQ表达式
- 错误修正:
- 修正了Python特有的语法(如字典推导式)
- 调整了函数参数传递方式
- 添加了必要的类型声明和分号
使用建议:- 确保数据表结构与函数参数匹配:
// 示例数据表结构DataTable allStocks = new DataTable();allStocks.Columns.Add("code", typeof(string));allStocks.Columns.Add("name", typeof(string));// ...其他列 - 调用示例:
DateTime todayDate = DateTime.Now.Date;DataTable indexData = GetIndexData(); // 需实现指数数据获取var selected = SelectStocks(allStocks, indexData, todayDate); - 注意事项:
- 需要替换GetIndexData()等数据获取函数为实际接口
- 调整时间计算逻辑(如list_date字段格式)
- 根据系统API调整数据类型和字段名称
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