public static MemoryStream ExportAuditLog(int zoneTableId, DateTime?startTime, DateTime?endTime, string logType, string detail)
{
//创建Excel文件的对象
NPOI.HSSF.UserModel.HSSFWorkbook book = new NPOI.HSSF.UserModel.HSSFWorkbook();
//添加一个sheet
NPOI.SS.UserModel.ISheet sheet1 = book.CreateSheet("Sheet1");
//获取list数据
//List<AuditLogEntity> list = new List<AuditLogEntity>();
//for (int i = 0; i < 50; i++)
//{
// AuditLogEntity en = new AuditLogEntity();
// en.ID = i;
// en.LogType = "App";
// en.Detail = "detail" + i;
// en.LogTime = DateTime.Now;
// en.LogOperator = "Michael.he";
// list.Add(en);
//}
List <AuditLogEntity> list = AuditLogAccess.GetList(zoneTableId, startTime, endTime, logType, detail);
//给sheet1添加第一行的头部标题
NPOI.SS.UserModel.IRow row1 = sheet1.CreateRow(0);
row1.CreateCell(0).SetCellValue("Log Type");
row1.CreateCell(1).SetCellValue("Detail");
row1.CreateCell(2).SetCellValue("Log Time");
row1.CreateCell(3).SetCellValue("Log Operator");
var notesStyle = book.CreateCellStyle();
notesStyle.WrapText = true;//设置换行这个要先设置
//将数据逐步写入sheet1各个行
for (int i = 0; i < list.Count; i++)
{
var rowtemp = sheet1.CreateRow(i + 1);
rowtemp.CreateCell(0).SetCellValue(list[i].LogType.ToString());
rowtemp.CreateCell(1).SetCellValue(list[i].Detail.Replace("<br />", "\n"));
rowtemp.Cells[1].CellStyle = notesStyle;
rowtemp.CreateCell(2).SetCellValue(list[i].LogTime.ToString(CultureInfo.InvariantCulture));
rowtemp.CreateCell(3).SetCellValue(list[i].LogOperator);
}
sheet1.SetColumnWidth(1, 160 * 256);
sheet1.SetColumnWidth(2, 20 * 256);
// 写入到客户端
var ms = new MemoryStream();
book.Write(ms);
ms.Seek(0, SeekOrigin.Begin);
return(ms);
}
public static dynamic GetAuditLog(int limit, int offset, int zoneTableID, DateTime?startTime, DateTime?endTime, string logType, string detail, bool ifUseCache, string userName)
{
if (ifUseCache)
{
List <AuditLogEntity> list = Utils.GetMemoryCache <List <AuditLogEntity> >(cacheKey + userName);
if (list == null)
{
list = new List <AuditLogEntity>();
}
var total = list.Count;
var rows = list.Skip(offset).Take(limit).ToList();
return(new { total, rows });
}
else
{
Utils.RemoveMemoryCache(cacheKey + userName);
List <AuditLogEntity> list = AuditLogAccess.GetList(zoneTableID, startTime, endTime, logType, detail);
Utils.SetMemoryCache(cacheKey + userName, list);
//string cacheKeyStr = cacheKey + userName;
return(new { cacheKey = cacheKey + userName });
}
}