public DBsettings()
{
InitializeComponent();
/*
SkinningManager sm1 = new SkinningManager();
sm1.ParentForm = this;
sm1.DefaultSkin = DefaultSkin.Office2007Silver;
*/
// 读取已经有的配置
m_path = new MyPath();
m_strConfigPath = m_path.GetSystem32Path();
m_strConfigPath += "\\saito.xml";
}
/// <summary>
/// 根据IEnumerable T类型的数据导出
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="folder"></param>
/// <param name="list"></param>
/// <param name="name"></param>
/// <returns></returns>
public static string Export <T>(string folder, IEnumerable <T> list, string name) where T : new()
{
//string folder = _hostingEnvironment.WebRootPath;
var t = typeof(T);
//var displayNameOfT = t.GetCustomAttribute<DisplayNameAttribute>().DisplayName;
//var displayNameOfT = string.Join(",", displayNameListOfT.Select(i => i.DisplayName));
//if (string.IsNullOrWhiteSpace(displayNameOfT)) displayNameOfT = "未指定类型显示名称";
//var pName = t.GetProperty("Name");
//var displayName = pName.GetCustomAttribute<DisplayNameAttribute>();
//var displayNameOfT = MyPath.Combine("excel", name);
//string sFileName = $"{name}{Guid.NewGuid()}.xlsx";
string sFileName = $"{name}{DateTime.Now.ToString("yyyyMMddHHmmss")}.xlsx";
//string sFileName = $"{name}.xlsx";
FileInfo file = new FileInfo(MyPath.Combine(folder, sFileName));
using (ExcelPackage package = new ExcelPackage(file))
{
// 添加worksheet
ExcelWorksheet worksheet = package.Workbook.Worksheets.Add(name);
var propertys = t.GetProperties();
for (int i = 0; i < propertys.Count(); i++)
{
var displayName = propertys[i].GetCustomAttribute <DisplayNameAttribute>()?.DisplayName;
if (string.IsNullOrWhiteSpace(displayName) || displayName == "未指定")
{
continue;
}
worksheet.Cells[1, i + 1].Value = displayName;
//获取DisplayFormatAttribute的DataFormatString
//var displayFormat = propertys[i].GetCustomAttribute<DisplayFormatAttribute>()?.DataFormatString;
var propertyName = propertys[i].Name;
for (int j = 0; j < list.Count(); j++)
{
var item = list.Skip(j).FirstOrDefault();
var value = item.GetType().GetProperty(propertyName).GetValue(item)?.ToString();
//var value = item.GetType().GetProperty(propertyName).GetValue(item);
//var displayValue = displayFormat==null ? value : string.Format( displayFormat,value);
//worksheet.Cells[j + 2, i + 1].Value = displayValue;
//2018/2/26 写死了有"金额"字样则做特定格式化.应该根据sql的额外描述,获取DisplayFormatAttribute的DataFormatString,然后由propertys[i](确定是哪种数值或datetime,别的不行)和DataFormatString来使用string.Format格式化.c#的反射其实很烦又臃肿.
//if (displayName.Contains("金额"))
//{
// value = string.Format("{0:C2}", Convert.ToInt32(value));
//}
worksheet.Cells[j + 2, i + 1].Value = value;
}
}
////添加头
//worksheet.Cells[1, 1].Value = "ID";
//worksheet.Cells[1, 2].Value = "Name";
//worksheet.Cells[1, 3].Value = "Url";
////添加值
//worksheet.Cells["A2"].Value = 1000;
//worksheet.Cells["B2"].Value = "LineZero";
//worksheet.Cells["C2"].Value = "http://www.cnblogs.com/linezero/";
//worksheet.Cells["A3"].Value = 1001;
//worksheet.Cells["B3"].Value = "LineZero GitHub";
//worksheet.Cells["C3"].Value = "https://github.com/linezero";
//worksheet.Cells["C3"].Style.Font.Bold = true;
package.Save();
}
return(sFileName);
//return File(sFileName, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
}
