using A = DocumentFormat.OpenXml.Drawing;
using C=DocumentFormat.OpenXml.Drawing.Charts;
using DW = DocumentFormat.OpenXml.Drawing.Wordprocessing;

if(cbInsertChart.Checked)
{
    ChartPart chartPart = mainPart.AddNewPart<ChartPart>();
    string chartPartId = mainPart.GetIdOfPart(chartPart);

    Drawing drawing = CreateChartDrawing(chartPartId, chartPart);
    run.Append(drawing);
}

public Drawing CreateChartDrawing(string relationshipId, ChartPart chartPart)
{
    var chartSpace = new C.ChartSpace();
    chartSpace.AddNamespaceDeclaration("c", "http://schemas.openxmlformats.org/drawingml/2006/chart");
    chartSpace.AddNamespaceDeclaration("r", "http://schemas.openxmlformats.org/officeDocument/2006/relationships");
    chartSpace.AppendChild(new C.EditingLanguage { Val = "zh-CN" });

    var chart = new C.Chart();
    chart.AppendChild(new C.AutoTitleDeleted { Val = true });

    var plotArea = new C.PlotArea();

    var barChart = new C.BarChart(
        new C.BarDirection { Val = C.BarDirectionValues.Column },
        new C.BarGrouping { Val = C.BarGroupingValues.Clustered },
        new C.VaryColors { Val = true }
    );

    var series = new C.BarChartSeries(
        new C.Index { Val = 0 },
        new C.Order { Val = 0 },
        new C.SeriesText(new C.NumericValue("測(cè)試數(shù)據(jù)"))
    );

    series.AppendChild(new C.CategoryAxisData(
        new C.StringLiteral(
            new C.PointCount { Val = 4 },
            new C.StringPoint { Index = 0, NumericValue = new C.NumericValue("A") },
            new C.StringPoint { Index = 1, NumericValue = new C.NumericValue("B") },
            new C.StringPoint { Index = 2, NumericValue = new C.NumericValue("C") },
            new C.StringPoint { Index = 3, NumericValue = new C.NumericValue("D") }
        )
    ));

    series.AppendChild(new C.Values(
        new C.NumberLiteral(
            new C.PointCount { Val = 4 },
            new C.NumericPoint { Index = 0, NumericValue = new C.NumericValue("10") },
            new C.NumericPoint { Index = 1, NumericValue = new C.NumericValue("20") },
            new C.NumericPoint { Index = 2, NumericValue = new C.NumericValue("30") },
            new C.NumericPoint { Index = 3, NumericValue = new C.NumericValue("40") }
        )
    ));

    barChart.AppendChild(series);

    // 坐標(biāo)軸
    var catAxis = new C.CategoryAxis(
        new C.AxisId { Val = 100 },
        new C.Scaling(new C.Orientation { Val = C.OrientationValues.MinMax }),
        new C.AxisPosition { Val = C.AxisPositionValues.Bottom },
        new C.CrossingAxis { Val = 200 },
        new C.Crosses { Val = C.CrossesValues.AutoZero },
        new C.TickLabelPosition { Val = C.TickLabelPositionValues.NextTo }
    );

    var valAxis = new C.ValueAxis(
        new C.AxisId { Val = 200 },
        new C.Scaling(new C.Orientation { Val = C.OrientationValues.MinMax }),
        new C.AxisPosition { Val = C.AxisPositionValues.Left },
        new C.CrossingAxis { Val = 100 },
        new C.Crosses { Val = C.CrossesValues.AutoZero },
        new C.TickLabelPosition { Val = C.TickLabelPositionValues.NextTo },
        new C.MajorTickMark { Val = C.TickMarkValues.None },
        new C.MinorTickMark { Val = C.TickMarkValues.None }
    );

    // 讓BarChart引用坐標(biāo)軸ID
    barChart.AppendChild(new C.AxisId { Val = 100 });
    barChart.AppendChild(new C.AxisId { Val = 200 });

    plotArea.Append(barChart, catAxis, valAxis);
    chart.Append(plotArea);

    chartSpace.AppendChild(chart);
    chartSpace.Save(chartPart);

    return new Drawing(
        new DW.Inline(
            new DW.Extent { Cx = 6000000, Cy = 4000000 },
            new DW.EffectExtent { LeftEdge = 0L, TopEdge = 0L, RightEdge = 0L, BottomEdge = 0L },
            new DW.DocProperties { Id = 1, Name = "Chart 1" },
            new DW.NonVisualGraphicFrameDrawingProperties(
                new A.GraphicFrameLocks { NoChangeAspect = true }
            ),
            new A.Graphic(
                new A.GraphicData(
                    new C.ChartReference { Id = relationshipId }
                )
                { Uri = "http://schemas.openxmlformats.org/drawingml/2006/chart" }
            )
        )
    );
}

using DocumentFormat.OpenXml;
using DocumentFormat.OpenXml.Packaging;
using DocumentFormat.OpenXml.Wordprocessing;
using System.Text.RegularExpressions;

// 打開(kāi)文檔路徑下文件進(jìn)行編輯（使用 using 確保資源自動(dòng)釋放）
using (WordprocessingDocument wordDoc = WordprocessingDocument.Open(@"C:\test.docx", true))
{
    // 檢查文檔對(duì)象是否為空，避免后續(xù)操作出錯(cuò)
    if (wordDoc == null) throw new ArgumentNullException(nameof(wordDoc));
    // ... 在此處進(jìn)行編輯操作
}

// 創(chuàng)建一個(gè)全新的 Word 文檔
using (WordprocessingDocument wordDoc = WordprocessingDocument.Create(@"C:\new.docx", WordprocessingDocumentType.Document))
{
    // 新文檔必須手動(dòng)添加主文檔部件，否則 Word 無(wú)法打開(kāi)[reference:10]
    MainDocumentPart mainPart = wordDoc.AddMainDocumentPart();
    // 初始化文檔結(jié)構(gòu)：Document -> Body
    mainPart.Document = new Document();
    mainPart.Document.Body = new Body();
    // ... 在此處向 Body 中添加內(nèi)容
}

// 獲取文檔的 Body 對(duì)象
Body body = wordDoc.MainDocumentPart.Document.Body;

// 創(chuàng)建一個(gè)新段落，必須顯式包含 Run 和 Text 子元素[reference:14]
Paragraph newParagraph = new Paragraph(
    new ParagraphProperties(), // 段落屬性（如對(duì)齊方式）
    new Run(
        new Text("這是新添加的文本內(nèi)容。")
    )
);

// 將新段落追加到 Body 末尾
body.AppendChild(newParagraph);

// 創(chuàng)建一個(gè)帶格式的文本運(yùn)行
Run formattedRun = new Run();

// 1. 設(shè)置運(yùn)行屬性
RunProperties runProperties = new RunProperties();
runProperties.Bold = new Bold() { Val = true };          // 加粗
runProperties.Color = new Color() { Val = "FF0000" };    // 紅色
runProperties.FontSize = new FontSize() { Val = "28" };  // 字號(hào)（28 相當(dāng)于 14 號(hào)）
formattedRun.AppendChild(runProperties);

// 2. 添加文本內(nèi)容
formattedRun.AppendChild(new Text("這是加粗、紅色的文本。"));

Body -> Paragraph -> Table -> TableRow -> TableCell -> Paragraph -> Run -> Text

// 創(chuàng)建一個(gè) 3 行 2 列的簡(jiǎn)單表格
Table table = new Table();

// 1. 添加表格屬性（例如設(shè)置寬度）
TableProperties tblProp = new TableProperties();
TableWidth tableWidth = new TableWidth() { Width = "5000", Type = TableWidthUnitValues.Dxa };
tblProp.AppendChild(tableWidth);
table.AppendChild(tblProp);

for (int i = 0; i < 3; i++)
{
    TableRow row = new TableRow();
    for (int j = 0; j < 2; j++)
    {
        TableCell cell = new TableCell();
        // **注意**：每個(gè) TableCell 必須包含至少一個(gè) Paragraph 才能顯示內(nèi)容[reference:17]
        cell.AppendChild(new Paragraph(new Run(new Text($"第{i+1}行, 第{j+1}列"))));
        row.AppendChild(cell);
    }
    table.AppendChild(row);
}

// 將表格添加到 Body 中
wordDoc.MainDocumentPart.Document.Body.AppendChild(table);

// 插入圖片的完整過(guò)程
// 1. 添加圖片部件
// 使用絕對(duì)路徑讀取圖片文件流[reference:19]
using (FileStream fs = new FileStream(@"C:\test.png", FileMode.Open))
{
    // AddImagePart 時(shí)指定的 ImagePartType 必須嚴(yán)格匹配圖片文件類(lèi)型[reference:20]
    ImagePart imagePart = wordDoc.MainDocumentPart.AddImagePart(ImagePartType.Png);
    imagePart.FeedData(fs);
    string imagePartId = wordDoc.MainDocumentPart.GetIdOfPart(imagePart);

    // 2. 在文檔正文中創(chuàng)建引用圖片的 XML 結(jié)構(gòu)
    // 此處構(gòu)造 Drawing 元素的相關(guān)代碼較長(zhǎng)，具體可參考官方文檔，實(shí)現(xiàn)相對(duì)復(fù)雜
}

/// <summary>
/// 遍歷文檔所有段落，讀取其純文本內(nèi)容
/// </summary>
public static List<string> ReadAllParagraphs(string filePath)
{
    List<string> allTexts = new List<string>();

    using (WordprocessingDocument wordDoc = WordprocessingDocument.Open(filePath, false)) // 第二個(gè)參數(shù)為 false 表示只讀
    {
        Body body = wordDoc.MainDocumentPart.Document.Body;
        // 遍歷 Body 下所有 Paragraph 元素
        foreach (Paragraph para in body.Elements<Paragraph>())
        {
            // 獲取該段落內(nèi)所有 Run 下的 Text 元素的文本并拼接
            string paragraphText = string.Join("", para.Descendants<Text>().Select(t => t.Text));
            if (!string.IsNullOrWhiteSpace(paragraphText))
            {
                allTexts.Add(paragraphText);
            }
        }
    }
    return allTexts;
}