/// <summary>
/// 将实体模型数据添加到文件中，文件中会记录实体模型对应的表名称
/// </summary>
/// <typeparam name="TEntity"></typeparam>
/// <param name="entity"></param>
/// <param name="filePath"></param>
public static void AppendFile <TEntity>(TEntity entity, string filePath) where TEntity : class, new()
{
try
{
Type tity = entity.GetType();
PropertyInfo[] Pis = tity.GetProperties();
if (Pis.Length > 0)
{
StringBuilder sb = new StringBuilder();
string tableName = GetTableNameFrom <TEntity>(entity);
if (!File.Exists(filePath))
{
sb.AppendLine(string.Format("leeTableName:{0}", tableName));
}
foreach (PropertyInfo pi in Pis)
{
if (pi.Name.ToUpper() == "ENTITYSTATE" || pi.Name.ToUpper() == "ENTITYKEY" || pi.Name.ToUpper() == "ID_KEY")
{
}
else
{
object piProxyValue = pi.GetValue(entity, null);
sb.AppendFormat("{0}*{1},", pi.Name, piProxyValue);
}
}
filePath.AppendFile(sb.ToString().TrimEnd(','));
}
}
catch (Exception ex)
{
ErrorMessageTracer.LogErrorMsgToFile("AppendFile<TEntity>", ex);
}
}
/// <summary>
/// 从文件中读取内容转换为实体字典对象,包含表的名称
/// </summary>
/// <param name="filePath"></param>
/// <returns></returns>
public static List <Dictionary <string, object> > GetEntityDicFromTxtFile(string filePath)
{
List <Dictionary <string, object> > listDatas = new List <Dictionary <string, object> >();
if (!File.Exists(filePath))
{
ErrorMessageTracer.LogMsgToFile("GetEntityDicFromTxtFile", string.Format("{0}不存在！", filePath));
return(listDatas);
}
try
{
using (StreamReader sr = new StreamReader(filePath, Encoding.Default))
{
Dictionary <string, object> dataDic = null;
string line = sr.ReadLine();
string[] tblFields = line.Split(':');
if (tblFields.Length != 2)
{
ErrorMessageTracer.LogMsgToFile("GetEntityDicFromTxtFile", "文件中没有包含表名称的信息");
return(listDatas);
}
if (tblFields[0].ToString().ToUpper() != "LEETABLENAME")
{
ErrorMessageTracer.LogMsgToFile("GetEntityDicFromTxtFile", "文件中没有包含表名称键值的信息");
return(listDatas);
}
string tblKey = tblFields[0].ToString().Trim();
string tblName = tblFields[1].ToString().Trim();
while (!string.IsNullOrEmpty(line))
{
line = sr.ReadLine();
string[] fieldPair = line.Split(',');
if (fieldPair.Length > 0)
{
dataDic = new Dictionary <string, object>();
dataDic.Add(tblKey, tblName);
foreach (string fp in fieldPair)
{
string[] fv = fp.Split('*');
if (fv.Length == 2)
{
dataDic.Add(fv[0].Trim(), fv[1].Trim());
}
}
listDatas.Add(dataDic);
}
}
}
}
catch (System.Exception ex)
{
ErrorMessageTracer.LogErrorMsgToFile("GetEntityDicFromFile", ex);
}
return(listDatas);
}