private bool RowIsEmpty(IRow row, int cellCount)
{
try
{
for (int cellIndex = 0; cellIndex < cellCount; cellIndex++)
{
if (!string.IsNullOrWhiteSpace(CellValueHelper.GetCellValue(row.GetCell(cellIndex))))
{
return(false);
}
}
return(true);
}
catch (Exception)
{
return(false);
}
}
private List <ImportColumnProperty> GetCellProperties(Type modelType, IRow headerRow)
{
var properties = modelType.GetProperties();
var columnProperties = new List <ImportColumnProperty>();
foreach (var p in properties)
{
if (p.GetCustomAttribute(typeof(ColumnNameAttribute)) is ColumnNameAttribute attr)
{
columnProperties.Add(new ImportColumnProperty(p, attr));
}
}
for (int i = headerRow.FirstCellNum; i < headerRow.LastCellNum; i++)
{
var cell = headerRow.GetCell(i);
if (cell == null)
{
continue;
}
var headColumnName = CellValueHelper.GetCellValue(cell);
if (string.IsNullOrWhiteSpace(headColumnName))
{
continue;
}
headColumnName = headColumnName.Trim();
var columnProperty = columnProperties.FirstOrDefault(x => x.Name == headColumnName.Trim());
if (columnProperty != null)
{
columnProperty.ColumnIndex = i;
}
}
// 没有字段设置唯一认证，则给所有字段加上唯一认证
if (!columnProperties.Any(m => m.IsUnique))
{
columnProperties.ForEach(m => m.IsUnique = true);
}
return(columnProperties);
}
private void FillPropertyValue(SheetRow rowModel, ImportColumnProperty columnProperty, ICell cell)
{
var cellValue = cell == null ? null : CellValueHelper.GetCellValue(cell);
if (string.IsNullOrWhiteSpace(cellValue))
{
if (columnProperty.IsRequired || (!columnProperty.PropertyInfo.IsNullable() && columnProperty.PropertyInfo.PropertyType != typeof(string)))
{
rowModel.SetError(columnProperty.PropertyInfo.Name, columnProperty.EmptyErrorMessage);
}
}
else
{
if (columnProperty.HasRegex && !Regex.IsMatch(cellValue, columnProperty.RegexPattern, columnProperty.RegexOptions))
{
rowModel.SetError(columnProperty.PropertyInfo.Name, columnProperty.RegexErrorMessage);
return;
}
var targetType = columnProperty.PropertyInfo.IsNullable() ? columnProperty.PropertyInfo.PropertyType.GetGenericArguments()[0] : columnProperty.PropertyInfo.PropertyType;
columnProperty.PropertyInfo.SetValue(rowModel, this.ConvertValueType(cellValue, targetType));
}
}
