/// <summary>
/// 将Row实例化为T
/// </summary>
/// <typeparam name="T">需要实例化的类</typeparam>
/// <param name="row"></param>
/// <returns></returns>
public static T RowToModel <T>(IRow row)
{
if (row != null)
{
Type model = typeof(T);
T instance = (T)Activator.CreateInstance(model);
foreach (var mprop in model.GetProperties())
{
if (mprop.IsDefined(typeof(ColIndexAttribute)))
{
ColIndexAttribute ciAttr = mprop.GetCustomAttribute(typeof(ColIndexAttribute)) as ColIndexAttribute;
ICell cell = row.GetCell(ciAttr.Index);
mprop.SetValue(instance, ConvertCell(cell, mprop.PropertyType));
//mprop.SetValue(instance, row.GetCell(ciAttr.Index));
}
else
{
throw new Exception(string.Format("类型{0}属性{1}未定义ColIndex", model.Name, mprop.Name));
}
}
return(instance);
}
else
{
return(default(T));
}
}
/// <summary>
/// 使用反射将T类型对象转换为IRow
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="obj">需要转换为IRow的对象</param>
/// <param name="row">转换完成后的IRow</param>
public static void ObjectToRow <T>(T obj, IRow row)
{
Type t = typeof(T);
foreach (var item in t.GetProperties())
{
if (item.IsDefined(typeof(ColIndexAttribute)))
{
ColIndexAttribute ciAttr = item.GetCustomAttribute <ColIndexAttribute>();
ICell cell = row.CreateCell(ciAttr.Index);
if (item.IsDefined(typeof(ColTypeAttribute)))
{
ColTypeAttribute ctAttr = item.GetCustomAttribute <ColTypeAttribute>();
switch (ctAttr.ColType)
{
case ColType.T_STR:
cell.SetCellType(CellType.String);
cell.SetCellValue((string)item.GetValue(obj));
break;
case ColType.T_BOOL:
cell.SetCellType(CellType.Boolean);
cell.SetCellValue((bool)item.GetValue(obj));
break;
case ColType.T_DATE:
cell.SetCellType(CellType.Numeric);
cell.SetCellValue((DateTime)item.GetValue(obj));
break;
case ColType.T_NUM:
cell.SetCellType(CellType.Numeric);
cell.SetCellValue(Convert.ToDouble(item.GetValue(obj)));
break;
default:
break;
}
}
else
{
cell.SetCellType(CellType.String);
cell.SetCellValue((item.GetValue(obj)).ToString());
}
}
}
}
/// <summary>
/// 根据类型设定标题行
/// </summary>
/// <param name="t"></param>
/// <param name="row"></param>
public static void TypeToHeadRow(Type t, IRow row)
{
foreach (var item in t.GetProperties())
{
if (item.IsDefined(typeof(ColIndexAttribute)))
{
ColIndexAttribute ciAttr = item.GetCustomAttribute <ColIndexAttribute>();
ICell cell = row.CreateCell(ciAttr.Index);
cell.SetCellType(CellType.String);
if (item.IsDefined(typeof(ColNameAttribute)))
{
ColNameAttribute cnAttr = item.GetCustomAttribute <ColNameAttribute>();
cell.SetCellValue(cnAttr.ColName);
}
else
{
cell.SetCellValue(item.Name);
}
}
}
}
