/// <summary>
/// List合并成字符串
/// </summary>
/// <typeparam name="K"></typeparam>
/// <param name="values"></param>
/// <param name="format"></param>
/// <param name="props"></param>
/// <returns></returns>
public static String listTostr <K>(List <K> values, String format = "", Properties props = null)
{
StringBuilder str = new StringBuilder();
String sep = ",";
if (props != null)
{
sep = props.Get <String>("sep", ",");
}
foreach (K value in values)
{
if (str.ToString() != "")
{
str.Append(sep);
}
str.Append(ConvertTo <String>(value, format, props));
}
return(str.ToString());
}
/// <summary>
/// 导入数据
/// </summary>
public bool doMergeToRepository()
{
showBeginMessage("开始合并数据...");
if (repository == null)
{
repository = new IndicatorRepository(FileUtils.GetDirectory(props.Get <String>("repository")));
repository.Initilization();
}
String datapath = FileUtils.GetDirectory(props.Get <String>("datapath"));
DirectoryInfo dInfo = new DirectoryInfo(datapath);
FileInfo[] fInfos = dInfo.GetFiles("*.scv");
if (fInfos == null || fInfos.Length <= 0)
{
showResultMessage("没有需要导入的新文件", 1);
return(false);
}
try
{
foreach (FileInfo fInfo in fInfos)
{
String code = fInfo.Name.Substring(3, 6);
TimeSerialsDataSet ds = repository[code];
KLine kline = ds.DayKLine;
if (ds == null)
{
continue;
}
showProgressMessage(code);
CSVFile csvFile = new CSVFile();
csvFile.Load(fInfo.FullName, Encoding.UTF8, false, ",");
List <String> lines = csvFile.Lines;
for (int i = lines.Count - 1; i >= 0; i--)
{
if (lines[i] == null || lines[i].Trim() == "")
{
continue;
}
String[] ss = lines[i].Split(',');
if (ss == null || ss.Length < 7)
{
continue;
}
DateTime d = DateUtils.Parse(ss[0]);
KLineItem item = kline[d];
if (item != null)
{
break;
}
double[] v = new double[6];
for (int j = 0; j < v.Length; j++)
{
v[j] = double.Parse(ss[j + 1]);
}
item = new KLineItem();
item.Date = d;
item.SetValue <double>("OPEN", v[0]);
item.SetValue <double>("HIGH", v[1]);
item.SetValue <double>("LOW", v[2]);
item.SetValue <double>("CLOSE", v[3]);
item.SetValue <double>("VOLUME", v[4]);
item.SetValue <double>("TURNOVER", v[5]);
kline.Add(item);
}
ds.Save("kline", TimeUnit.day);
}
showResultMessage("");
return(true);
}
catch (Exception e)
{
showResultMessage("导入失败", -1, e.Message);
return(false);
}
}
/// <summary>
/// 对象转字符串
/// </summary>
/// <param name="x"></param>
/// <param name="format"></param>
/// <param name="props"></param>
/// <returns></returns>
public static String objectToStr(this Object x, String format = "", Properties props = null)
{
if (x == null)
{
return("");
}
String sep = props == null ? TEXT_PROP_SEP_DEFAULT : props.Get <String>(TEXT_PROP_SEP, TEXT_PROP_SEP_DEFAULT);
if (format == null || format == "")
{
format = props == null ? "" : props.Get <String>(TEXT_PROP_FORMAT, "");
}
String[] propertyNames = props == null ? null : props.Get <String[]>(TEXT_PROP_PROPNAMES, null);
//基础数据类型转换
if (x.GetType() == typeof(char))
{
return(x.ToString());
}
else if (x.GetType() == typeof(int) || x.GetType() == typeof(Int32))
{
return(intToStr((int)x, format, props));
}
else if (x.GetType() == typeof(float) || x.GetType() == typeof(double))
{
return(doubleToStr((double)x, format, props));
}
else if (x.GetType() == typeof(String))
{
return((String)x);
}
else if (x.GetType() == typeof(DateTime))
{
return(datetimeToStr((DateTime)x, format, props));
}
else if (x.GetType() == typeof(String))
{
return(x.ToString());
}
else if (x.GetType().IsEnum)
{
return(x.ToString());
}
else if (x.GetType().IsArray)
{
StringBuilder st = new StringBuilder();
foreach (Object ele in (Array)x)
{
if (st.ToString() != null)
{
st.Append(",");
}
st.Append(objectToStr(ele, format, props));
}
return(st.ToString());
}
else if (typeof(IEnumerable).IsInstanceOfType(x))
{
StringBuilder st = new StringBuilder();
IEnumerable tor = (IEnumerable)x;
foreach (Object ele in tor)
{
if (st.ToString() != "")
{
st.Append(",");
}
st.Append(objectToStr(ele, format, props));
}
return(st.ToString());
}
MemberInfo[] memberInfos = x.GetType().GetProperties();
List <String> results = new List <string>();
for (int i = 0; i < memberInfos.Length; i++)
{
TransinetAttribute transinet = memberInfos[i].GetCustomAttribute <TransinetAttribute>();
if (transinet != null)
{
continue;
}
TextAttribute txtAttr = memberInfos[i].GetCustomAttribute <TextAttribute>();
if (txtAttr != null && txtAttr.Ignored)
{
continue;
}
String name = memberInfos[i].Name;
if (propertyNames != null && propertyNames.Length > 0 && !propertyNames.Contain(name, true))
{
continue;
}
if (txtAttr != null && StringUtils.NotEmpty(txtAttr.ShowText))
{
name = txtAttr.ShowText;
}
Object value = memberInfos[i].FindValue(x);
String valueStr = value == null ? "" : ConvertUtils.ConvertTo <String>(value, txtAttr != null ? txtAttr.Format : "");
String text = format;
text = text.Replace("{$P}", name);
text = text.Replace("{$V}", valueStr);
results.Add(text);
}
return(results.Aggregate <String>((a, b) => a + sep + b));
}