/// <summary>
/// 转Int类型
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public static int ToInt(object obj)
{
int num;
try
{
if (obj == null)
{
return(-1);
}
num = Nall.ToInt(obj.ToString());
}
catch (Exception exception1)
{
Exception exception = exception1;
num = -1;
}
return(num);
}
/// <summary>
/// 数据集DataTable转换成List集合
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="dtTemp"></param>
/// <returns></returns>
public static List <T> ToListByDataTable <T>(DataTable dtTemp)
{
if (dtTemp == null || dtTemp.Rows.Count == 0)
{
return(null);
}
List <T> lstResult = new List <T>();
for (int j = 0, l = dtTemp.Rows.Count; j < l; j++)
{
T _t = (T)Activator.CreateInstance(typeof(T));
PropertyInfo[] propertys = _t.GetType().GetProperties();
foreach (PropertyInfo pi in propertys)
{
for (int i = 0, k = dtTemp.Columns.Count; i < k; i++)
{
// 属性与字段名称一致的进行赋值
if (pi.Name.ToLower().Equals(dtTemp.Columns[i].ColumnName.ToLower()))
{
if (dtTemp.Rows[j][i] != DBNull.Value)
{
switch (pi.PropertyType.ToString())
{
case "System.Int32":
pi.SetValue(_t, Nall.ToInt(dtTemp.Rows[j][i].ToString()), null);
break;
case "System.Int64":
pi.SetValue(_t, Nall.ToLong(dtTemp.Rows[j][i].ToString()), null);
break;
case "System.DateTime":
pi.SetValue(_t, Nall.ToDateTime(dtTemp.Rows[j][i].ToString()), null);
break;
case "System.String":
pi.SetValue(_t, dtTemp.Rows[j][i].ToString(), null);
break;
case "System.Boolean":
pi.SetValue(_t, Nall.ToBoolean(dtTemp.Rows[j][i].ToString()), null);
break;
case "System.Guid":
pi.SetValue(_t, Nall.ToGuid(dtTemp.Rows[j][i].ToString()), null);
break;
case "System.Single":
pi.SetValue(_t, Convert.ToSingle(dtTemp.Rows[j][i].ToString()), null);
break;
case "System.Double":
pi.SetValue(_t, Convert.ToDouble(dtTemp.Rows[j][i].ToString()), null);
break;
case "System.Object":
pi.SetValue(_t, dtTemp.Rows[j][i], null);
break;
}
}
else
{
switch (pi.PropertyType.ToString())
{
case "System.Int32":
pi.SetValue(_t, -1, null);
break;
case "System.Int64":
pi.SetValue(_t, -1, null);
break;
case "System.DateTime":
pi.SetValue(_t, new DateTime(0x76c, 1, 1), null);
break;
case "System.Boolean":
pi.SetValue(_t, false, null);
break;
case "System.Guid":
pi.SetValue(_t, Guid.Empty, null);
break;
case "System.Single":
pi.SetValue(_t, 0.0f, null);
break;
case "System.Double":
pi.SetValue(_t, 0.0, null);
break;
case "System.String":
pi.SetValue(_t, string.Empty, null);
break;
default:
pi.SetValue(_t, null, null);
break;
}
}
break;
}
}
}
lstResult.Add(_t);
}
return(lstResult);
}
