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remove System.IO.Packaging.Package dependency

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wei 2021-03-03 18:23:11 +08:00
parent 7209a14cdd
commit 3edfa2a343
3 changed files with 121 additions and 78 deletions
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5
src/MiniExcel/MiniExcel.csproj
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@ -18,7 +18,7 @@
<ItemGroup>
<Folder Include="Properties\" />
</ItemGroup>
<ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0'">
<!--<ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0'">
<PackageReference Include="System.IO.Packaging" Version="5.0.0" />
</ItemGroup>
<ItemGroup Condition=" '$(TargetFramework)' == 'net5.0'">
@ -26,5 +26,8 @@
</ItemGroup>
<ItemGroup Condition=" '$(TargetFramework)' == 'net461'">
<PackageReference Include="System.IO.Packaging" Version="5.0.0" />
</ItemGroup>-->
<ItemGroup>
<Reference Include="System.IO.Compression" />
</ItemGroup>
</Project>

188
src/MiniExcel/MiniExcelHelper.cs
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@ -3,7 +3,7 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.IO.Packaging;
using System.IO.Compression;
using System.Linq;
using System.Text;
using System.Xml;
@ -12,13 +12,40 @@
{
internal static Dictionary<string, ZipPackageInfo> DefaultFilesTree => new Dictionary<string, ZipPackageInfo>()
{
{ @"/_rels/.rels",new ZipPackageInfo(DefualtXml.defaultRels, "application/vnd.openxmlformats-package.relationships+xml")},
{ @"/xl/_rels/workbook.xml.rels",new ZipPackageInfo(DefualtXml.defaultWorkbookXmlRels, "application/vnd.openxmlformats-package.relationships+xml")},
{ @"/xl/styles.xml",new ZipPackageInfo(DefualtXml.defaultStylesXml, "application/vnd.openxmlformats-officedocument.spreadsheetml.styles+xml")},
{ @"/xl/workbook.xml",new ZipPackageInfo(DefualtXml.defaultWorkbookXml, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml")},
{ @"/xl/worksheets/sheet1.xml",new ZipPackageInfo(DefualtXml.defaultSheetXml, "application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml")},
{ @"_rels/.rels",new ZipPackageInfo(DefualtXml.defaultRels, "application/vnd.openxmlformats-package.relationships+xml")},
{ @"xl/_rels/workbook.xml.rels",new ZipPackageInfo(DefualtXml.defaultWorkbookXmlRels, "application/vnd.openxmlformats-package.relationships+xml")},
{ @"xl/styles.xml",new ZipPackageInfo(DefualtXml.defaultStylesXml, "application/vnd.openxmlformats-officedocument.spreadsheetml.styles+xml")},
{ @"xl/workbook.xml",new ZipPackageInfo(DefualtXml.defaultWorkbookXml, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml")},
{ @"xl/worksheets/sheet1.xml",new ZipPackageInfo(DefualtXml.defaultSheetXml, "application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml")},
};
private static FileStream CreateZipFileStream(string path, Dictionary<string, object> filesTree)
{
var utf8WithBom = new System.Text.UTF8Encoding(true); // 用true来指定包含bom
using (FileStream stream = new FileStream(path, FileMode.CreateNew))
{
using (ZipArchive archive = new ZipArchive(stream, ZipArchiveMode.Create, false, UTF8Encoding.UTF8))
{
foreach (var fileTree in filesTree)
{
ZipArchiveEntry entry = archive.CreateEntry(fileTree.Key);
using (var zipStream = entry.Open())
{
//var bytes = utf8WithBom.GetBytes(fileTree.Value.ToString());
//zipStream.Write(bytes, 0, bytes.Length);
using (StreamWriter writer = new StreamWriter(zipStream, utf8WithBom))
{
writer.Write(fileTree.Value.ToString()); //entry contents "baz123"
}
}
}
}
return stream;
}
}
public static void Create(string path, object value, string startCell = "A1", bool printHeader = true)
{
var xy = XlsxUtils.ConvertCellToXY(startCell);
@ -94,7 +121,7 @@
}
}
filesTree[@"/xl/worksheets/sheet1.xml"].Xml = $@"<?xml version=""1.0"" encoding=""utf-8""?>
filesTree[@"xl/worksheets/sheet1.xml"].Xml = $@"<?xml version=""1.0"" encoding=""utf-8""?>
<x:worksheet xmlns:x=""http://schemas.openxmlformats.org/spreadsheetml/2006/main"">
<x:sheetData>{sb.ToString()}</x:sheetData>
</x:worksheet>";
@ -103,88 +130,103 @@
CreateXlsxFile(path, filesTree);
}
public static Dictionary<string, object> Read(string fileName)
{
var parsedCells = new Dictionary<string, object>();
using (Package xlsxPackage = Package.Open(fileName, FileMode.Open, FileAccess.Read))
{
var allParts = xlsxPackage.GetParts();
//public static Dictionary<string, object> Read(string fileName)
//{
// var parsedCells = new Dictionary<string, object>();
// using (Package xlsxPackage = Package.Open(fileName, FileMode.Open, FileAccess.Read))
// {
// var allParts = xlsxPackage.GetParts();
var worksheetElement = GetFirstWorksheet(allParts);
var cells = from c in worksheetElement.Descendants(ExcelNamespaces.excelNamespace + "c")
select c;
// var worksheetElement = GetFirstWorksheet(allParts);
// var cells = from c in worksheetElement.Descendants(ExcelNamespaces.excelNamespace + "c")
// select c;
var sharedStrings = GetSharedStrings(allParts);
foreach (XElement cell in cells)
{
var r = cell.Attribute("r");
{
var cellPosition = r.Value;
var v = cell.Descendants(ExcelNamespaces.excelNamespace + "v").SingleOrDefault()?.Value;
var t = cell.Attribute("t")?.Value;
if (t == "s")
{
parsedCells.Add(cellPosition, sharedStrings[Convert.ToInt32(v)]);
}
else
{
parsedCells.Add(cellPosition, v);
}
}
// var sharedStrings = GetSharedStrings(allParts);
// foreach (XElement cell in cells)
// {
// var r = cell.Attribute("r");
// {
// var cellPosition = r.Value;
// var v = cell.Descendants(ExcelNamespaces.excelNamespace + "v").SingleOrDefault()?.Value;
// var t = cell.Attribute("t")?.Value;
// if (t == "s")
// {
// parsedCells.Add(cellPosition, sharedStrings[Convert.ToInt32(v)]);
// }
// else
// {
// parsedCells.Add(cellPosition, v);
// }
// }
}
}
// }
// }
return parsedCells;
}
// return parsedCells;
//}
private static Dictionary<int, string> GetSharedStrings(PackagePartCollection allParts)
{
var sharedStringsPart = (from part in allParts
where part.ContentType.Equals("application/vnd.openxmlformats-officedocument.spreadsheetml.sharedStrings+xml")
select part).SingleOrDefault();
if (sharedStringsPart == null)
return null;
//private static Dictionary<int, string> GetSharedStrings(PackagePartCollection allParts)
//{
// var sharedStringsPart = (from part in allParts
// where part.ContentType.Equals("application/vnd.openxmlformats-officedocument.spreadsheetml.sharedStrings+xml")
// select part).SingleOrDefault();
// if (sharedStringsPart == null)
// return null;
Dictionary<int, string> sharedStrings = new Dictionary<int, string>();
var sharedStringsElement = XElement.Load(XmlReader.Create(sharedStringsPart.GetStream()));
IEnumerable<XElement> sharedStringsElements = from s in sharedStringsElement.Descendants(ExcelNamespaces.excelNamespace + "t")
select s;
int Counter = 0;
foreach (XElement sharedString in sharedStringsElements)
{
sharedStrings.Add(Counter, sharedString.Value);
Counter++;
}
return sharedStrings;
}
// Dictionary<int, string> sharedStrings = new Dictionary<int, string>();
// var sharedStringsElement = XElement.Load(XmlReader.Create(sharedStringsPart.GetStream()));
// IEnumerable<XElement> sharedStringsElements = from s in sharedStringsElement.Descendants(ExcelNamespaces.excelNamespace + "t")
// select s;
// int Counter = 0;
// foreach (XElement sharedString in sharedStringsElements)
// {
// sharedStrings.Add(Counter, sharedString.Value);
// Counter++;
// }
// return sharedStrings;
//}
private static XElement GetFirstWorksheet(PackagePartCollection allParts)
{
PackagePart worksheetPart = (from part in allParts
where part.ContentType.Equals("application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml")
select part).FirstOrDefault();
//private static XElement GetFirstWorksheet(PackagePartCollection allParts)
//{
// PackagePart worksheetPart = (from part in allParts
// where part.ContentType.Equals("application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml")
// select part).FirstOrDefault();
return XElement.Load(XmlReader.Create(worksheetPart.GetStream()));
}
// return XElement.Load(XmlReader.Create(worksheetPart.GetStream()));
//}
private readonly static UTF8Encoding _utf8WithBom = new System.Text.UTF8Encoding(true);
private static void CreateXlsxFile(string path, Dictionary<string, ZipPackageInfo> zipPackageInfos)
{
using (FileStream stream = new FileStream(path, FileMode.CreateNew))
using (Package zip = System.IO.Packaging.ZipPackage.Open(stream, FileMode.OpenOrCreate))
using (FileStream stream = new FileStream(path, FileMode.CreateNew))
using (ZipArchive archive = new ZipArchive(stream, ZipArchiveMode.Create, false, UTF8Encoding.UTF8))
{
//[Content_Types].xml
{
var sb = new StringBuilder(@"<?xml version=""1.0"" encoding=""UTF-8"" standalone=""yes""?>
<Types xmlns=""http://schemas.openxmlformats.org/package/2006/content-types"">
<Default ContentType=""application/xml"" Extension=""xml""/>
<Default ContentType=""application/vnd.openxmlformats-package.relationships+xml"" Extension=""rels""/>");
foreach (var p in zipPackageInfos)
{
sb.AppendLine($"<Override ContentType=\"{p.Value.ContentType}\" PartName=\"/{p.Key}\" />");
}
sb.AppendLine("</Types>");
ZipArchiveEntry entry = archive.CreateEntry("[Content_Types].xml");
using (var zipStream = entry.Open())
using (StreamWriter writer = new StreamWriter(zipStream, _utf8WithBom))
writer.Write(sb.ToString());
}
foreach (var p in zipPackageInfos)
{
Uri uri = PackUriHelper.CreatePartUri(new Uri(p.Key, UriKind.Relative));
if (zip.PartExists(uri))
zip.DeletePart(uri);
PackagePart part = zip.CreatePart(uri, p.Value.ContentType, p.Value.CompressionOption);
var bytes = Encoding.ASCII.GetBytes(p.Value.Xml.ToString());
using (Stream dest = part.GetStream())
foreach (var b in bytes)
dest.WriteByte(b);
ZipArchiveEntry entry = archive.CreateEntry(p.Key);
using (var zipStream = entry.Open())
using (StreamWriter writer = new StreamWriter(zipStream, _utf8WithBom))
writer.Write(p.Value.Xml.ToString());
}
}
}

6
src/MiniExcel/ZipPackageInfo.cs
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@ -1,13 +1,11 @@
namespace MiniExcel
{
using System.IO.Packaging;
internal class ZipPackageInfo
{
public string Xml { get; set; }
public string ContentType { get; set; }
public CompressionOption CompressionOption { get; set; } = CompressionOption.Normal;
public ZipPackageInfo(string xml, string contentType, CompressionOption CompressionOption = CompressionOption.Normal)
//public CompressionOption CompressionOption { get; set; } = CompressionOption.Normal;
public ZipPackageInfo(string xml, string contentType)
{
Xml = xml;
ContentType = contentType;