c#，利用反射设置属性值

代码

1 /// <summary>
2 /// 设置相应属性的值
3 /// </summary>
4 /// <param name="entity">实体</param>
5 /// <param name="fieldName">属性名</param>
6 /// <param name="fieldValue">属性值</param>
7 public static void SetValue(object entity, string fieldName, string fieldValue)
8 {
9 Type entityType = entity.GetType();

PropertyInfo propertyInfo = entityType.GetProperty(fieldName);

if (IsType(propertyInfo.PropertyType, "System.String"))
{
propertyInfo.SetValue(entity, fieldValue, null);

}

if (IsType(propertyInfo.PropertyType, "System.Boolean"))
{
propertyInfo.SetValue(entity, Boolean.Parse(fieldValue), null);

}

if (IsType(propertyInfo.PropertyType, "System.Int32"))
{
if (fieldValue != "")
propertyInfo.SetValue(entity, int.Parse(fieldValue), null);
else
propertyInfo.SetValue(entity, 0, null);

}

if (IsType(propertyInfo.PropertyType, "System.Decimal"))
{
if (fieldValue != "")
propertyInfo.SetValue(entity, Decimal.Parse(fieldValue), null);
else
propertyInfo.SetValue(entity, new Decimal(0), null);

}

if (IsType(propertyInfo.PropertyType, "System.Nullable`1[System.DateTime]"))
{
if (fieldValue != "")
{
try
{
propertyInfo.SetValue(
entity,
(DateTime?)DateTime.ParseExact(fieldValue, "yyyy-MM-dd HH:mm:ss", null), null);
}
catch
{
propertyInfo.SetValue(entity, (DateTime?)DateTime.ParseExact(fieldValue, "yyyy-MM-dd", null), null);
}
}
else
propertyInfo.SetValue(entity, null, null);

}

}
/// <summary>
/// 类型匹配
/// </summary>
/// <param name="type"></param>
/// <param name="typeName"></param>
/// <returns></returns>
public static bool IsType(Type type, string typeName)
{
if (type.ToString() == typeName)
return true;
if (type.ToString() == "System.Object")
return false;

return IsType(type.BaseType, typeName);
}