public void MemoryOptimization()
{
//ExStart
//ExFor:SaveOptions.MemoryOptimization
//ExSummary:Shows an option to optimize memory consumption when you work with large documents.
Document doc = new Document(MyDir + "SaveOptions.MemoryOptimization.doc");
// When set to true it will improve document memory footprint but will add extra time to processing.
// This optimization is only applied during save operation.
SaveOptions saveOptions = SaveOptions.CreateSaveOptions(SaveFormat.Pdf);
saveOptions.MemoryOptimization = true;
doc.Save(MyDir + @"\Artifacts\SaveOptions.MemoryOptimization.pdf", saveOptions);
//ExEnd
}
public override string Create <T>(string path, List <T> data)
{
Document doc = new Document(path);
System.Data.DataSet ds = new System.Data.DataSet();
if (typeof(T) == typeof(System.Data.DataTable))
{
foreach (var item in data)
{
var obj = (object)item;
var db = (System.Data.DataTable)obj;
db.TableName = "DBTable";
ds.Tables.Add(db);
}
}
else
{
var table = data.ToTable();
table.TableName = "DBTable";
ds.Tables.Add(table);
}
//doc.MailMerge.TrimWhitespaces = false;
//doc.MailMerge.Execute(names, values);
doc.MailMerge.UseNonMergeFields = true;
//设置父子表的关系，主表Dt的Id关联从表XM的UserId
//ds.Relations.Add(dt.Columns["Id"], xmDt.Columns["UserId"]);
doc.MailMerge.ExecuteWithRegions(ds);
string ext = Path.GetExtension(path);
string filename = null;
if (string.IsNullOrEmpty(filename))
{
filename = Guid.NewGuid().ToString("N") + ext;
}
else
{
if (!filename.Contains('.'))
{
filename = filename + ext;
}
}
string fileSavePath = Path.GetDirectoryName(path) + "\\" + filename;
//if (!string.IsNullOrEmpty(newFileName)) {
// if (File.Exists(fileSavePath)) {
// File.Delete(fileSavePath);
// }
//}
ws.SaveOptions saveOptions = ws.SaveOptions.CreateSaveOptions(path);
saveOptions.PrettyFormat = true;
SectionCollection sc = doc.Sections;
foreach (Section section in sc)
{
section.PageSetup.PaperSize = PaperSize.A4;
section.PageSetup.Orientation = Orientation.Portrait;
section.PageSetup.VerticalAlignment = PageVerticalAlignment.Top;
section.PageSetup.PageNumberStyle = NumberStyle.VietCardinalText;
}
doc.Save(fileSavePath, saveOptions);
return(filename);
}
