EPPlus不支持extLst事物,而使用实心填充来进行databars条件格式是必需的。它们本身是渐变的,没有修改。
我编写了此代码,以直接修改工作表的xml(这是从工作表XML中获取数据栏,然后添加所需的extLst节点:]
public static Random Rnd = new Random();
public static string GenerateXlsId()
{
//{29BD882A-B741-482B-9067-72CC5D939236}
string id = string.Empty;
for (int i = 0; i < 32; i++)
if (Rnd.NextDouble() < 0.5)
id += Rnd.Next(0, 10);
else
id += (char)Rnd.Next(65, 91);
id = id.Insert(8, "-");
id = id.Insert(13, "-");
id = id.Insert(18, "-");
id = id.Insert(23, "-");
return id;
}
public static void FixDatabarsAtWorksheet(OfficeOpenXml.ExcelWorksheet eworksheet)
{
System.Xml.XmlNodeList databars = eworksheet.WorksheetXml.GetElementsByTagName("dataBar");
if (databars.Count > 0)
{
string conditional_formattings_str = string.Empty;
for (int i = 0; i < databars.Count; i++)
{
string temp_databar_id = GenerateXlsId();
databars[i].ParentNode.InnerXml += @"<extLst>
<ext uri=""{B025F937-C7B1-47D3-B67F-A62EFF666E3E}"" xmlns:x14=""http://schemas.microsoft.com/office/spreadsheetml/2009/9/main"">
<x14:id>{" + temp_databar_id + @"}</x14:id>
</ext>
</extLst>";
//--
string temp_sqref = databars[i].ParentNode.ParentNode.Attributes["sqref"].Value;
string left_type = string.Empty;
string left_val = string.Empty;
string right_type = string.Empty;
string right_val = string.Empty;
string color = string.Empty;
Color databar_fill_color = Color.Empty;
Color databar_border_color = Color.Empty;
for (int j = 0; j < databars[i].ChildNodes.Count; j++)
if (databars[i].ChildNodes[j].LocalName == "cfvo" && databars[i].ChildNodes[j].Attributes["type"] != null)
{
if (string.IsNullOrEmpty(left_type))
left_type = databars[i].ChildNodes[j].Attributes["type"].Value;
else if (string.IsNullOrEmpty(right_type))
right_type = databars[i].ChildNodes[j].Attributes["type"].Value;
if (databars[i].ChildNodes[j].Attributes["val"] != null)
if (string.IsNullOrEmpty(left_val))
left_val = databars[i].ChildNodes[j].Attributes["val"].Value;
else if (string.IsNullOrEmpty(right_val))
right_val = databars[i].ChildNodes[j].Attributes["val"].Value;
}
else if (databars[i].ChildNodes[j].LocalName == "color")
{
color = databars[i].ChildNodes[j].Attributes["rgb"].Value;
int argb = Int32.Parse(color, System.Globalization.NumberStyles.HexNumber);
databar_fill_color = Color.FromArgb(argb);
databar_border_color = Color.FromArgb(255,
databar_fill_color.R - 50 < 0 ? databar_fill_color.R + 50 : databar_fill_color.R - 50,
databar_fill_color.G - 50 < 0 ? databar_fill_color.R + 50 : databar_fill_color.G - 50,
databar_fill_color.B - 50 < 0 ? databar_fill_color.R + 50 : databar_fill_color.B - 50);
}
string temp_conditional_formatting_template = @"<x14:conditionalFormatting xmlns:xm=""http://schemas.microsoft.com/office/excel/2006/main"">
<x14:cfRule type=""dataBar"" id=""{" + temp_databar_id + @"}"">
<x14:dataBar minLength=""" + (string.IsNullOrEmpty(left_val) ? "0" : left_val) + "\" maxLength=\"" + (string.IsNullOrEmpty(right_val) ? "100" : right_val) + "\" gradient=\"0\" " + (databar_border_color.IsEmpty ? string.Empty : "border = \"1\"") + ">";
temp_conditional_formatting_template += Environment.NewLine + "<x14:cfvo type=\"" + (left_type.ToLower() == "min" ? "autoMin" : left_type) + "\" />";
temp_conditional_formatting_template += Environment.NewLine + "<x14:cfvo type=\"" + (right_type.ToLower() == "max" ? "autoMax" : right_type) + "\" />";
if (!databar_border_color.IsEmpty)
temp_conditional_formatting_template += Environment.NewLine + "<x14:borderColor rgb=\"" + BitConverter.ToString(new byte[] { databar_border_color.A, databar_border_color.R, databar_border_color.G, databar_border_color.B }).Replace("-", "") + "\" />";
temp_conditional_formatting_template += Environment.NewLine + @"</x14:dataBar>
</x14:cfRule>
<xm:sqref>" + temp_sqref + @"</xm:sqref>
</x14:conditionalFormatting>";
conditional_formattings_str += temp_conditional_formatting_template;
}
databars[0].ParentNode.ParentNode.ParentNode.InnerXml += @"<extLst>
<ext uri=""{78C0D931-6437-407d-A8EE-F0AAD7539E65}"" xmlns:x14=""http://schemas.microsoft.com/office/spreadsheetml/2009/9/main"">
<x14:conditionalFormattings>" + conditional_formattings_str + @"
</x14:conditionalFormattings>
</ext>
</extLst>";
}
}
并且这确实使数据栏成为可靠的填充,问题是其他任何条件格式(例如,Greaterthan都为true时会丢失其样式)。>>
例如,我添加数据栏和大于123(绿色)的条件格式。Excel仍会看到标准格式规则大于123,但是样式为true时未设置样式(未设置绿色)。同时正确显示数据栏。
我不知道在哪里看……有人帮忙!
EPPlus不支持extLst,而使用固态填充使数据栏条件格式化是必需的。它们本身是渐变的,没有修改。我对此进行了编码,以修改工作表'...
这就是黑客的问题-它们是如此脆弱! :)