C#替换Word文档中的书签内容的详细步骤

using spire.doc;
using spire.doc.fields;
using system.drawing;
using spire.doc.interface;
using spire.doc.documents;

namespace replacebookmarkcontent
{
    class bookmark
    {
        private document doc = null;
        public bookmark(document document)
        {
            doc = document;
        }

        /// <summary>
        /// 用文本替换指定书签的内容
        /// </summary>
        /// <param name="bookmarkname">书签名</param>
        /// <param name="text">文本</param>
        /// <param name="saveformatting">删除原始书签内容时，是否保留格式</param>
        /// <returns>textrange</returns>
        public textrange replacecontent(string bookmarkname, string text, bool saveformatting)
        {
            bookmarksnavigator navigator = new bookmarksnavigator(doc);
            navigator.movetobookmark(bookmarkname);//指向特定书签
            navigator.deletebookmarkcontent(saveformatting);//删除原有书签内容     
            spire.doc.interface.itextrange textrange = navigator.inserttext(text);//写入文本
            return textrange as textrange;
        }

        /// <summary>
        /// 用图片替换指定书签的内容
        /// </summary>
        /// <param name="bookmarkname">书签名</param>
        /// <param name="picpath">图片路径</param>
        /// <param name="widthscale">宽度缩放比例，0以上正整数</param>
        /// <param name="heightscale">高度缩放比例，0以上正整数</param>
        /// <param name="wrapstyle">环绕方式</param>
        /// <param name="horizontalalignment"></param>
        public void replacecontent(string bookmarkname, string picpath, float widthscale, float heightscale, textwrappingstyle wrapstyle, shapehorizontalalignment horizontalalignment)
        {
            bookmarksnavigator navigator = new bookmarksnavigator(doc);
            navigator.movetobookmark(bookmarkname);
            navigator.deletebookmarkcontent(false);
            iparagraphbase paragraphbase = navigator.insertparagraphitem(paragraphitemtype.picture);//插入类型为图片
            image image = image.fromfile(picpath);//加载图片
            docpicture picture = paragraphbase.ownerparagraph.appendpicture(image);//插入图片
            picture.widthscale = widthscale;
            picture.heightscale = heightscale;
            picture.textwrappingstyle = wrapstyle;
            picture.horizontalalignment = horizontalalignment;
        }

        /// <summary>
        /// 用表格替换指定书签的内容
        /// </summary>
        /// <param name="bookmarkname">书签名</param>
        /// <param name="table">table实例</param>
        public void replacecontent(string bookmarkname, table table)
        {
            bookmarksnavigator navigator = new bookmarksnavigator(doc);
            navigator.movetobookmark(bookmarkname);
            textbodypart body = new textbodypart(doc);
            body.bodyitems.add(table);
            navigator.replacebookmarkcontent(body);
        }

        /// <summary>
        /// 创建表格并写入数据，返回table对象
        /// </summary>
        /// <param name="rowsnum">行数</param>
        /// <param name="columnsnum">列数</param>
        /// <param name="columnwidth">列宽</param>
        /// <param name="horizontalalignment">水平对齐方式</param>
        /// <param name="datatable">datatable实例</param>
        /// <returns></returns>
        public table createtable(int rowsnum, int columnsnum, float columnwidth, rowalignment horizontalalignment, system.data.datatable datatable)
        {
            table table = new table(doc, true, 1f);//初始化table对象
            table.resetcells(rowsnum, columnsnum);//设置行数和列数
            //填充数据
            for (int i = 0; i < datatable.rows.count; i++)
            {
                for (int j = 0; j < datatable.columns.count; j++)
                {
                    table.rows[i].cells[j].addparagraph().appendtext(datatable.rows[i][j].tostring());
                }
            }
            //设置列宽
            for (int i = 0; i < rowsnum; i++)
            {
                for (int j = 0; j < columnsnum; j++)
                {
                    table.rows[i].cells[j].width = columnwidth;
                }               
            }
            table.tableformat.horizontalalignment = horizontalalignment;//表格水平对齐方式
            return table;
        }
    }
}

//加载模板文档
document doc = new document();
doc.loadfromfile(@"c:\users\administrator\desktop\bookmark_template.docx");

//初始化bookmark对象
bookmark bookmark = new bookmark(doc);

//用文本替换书签bookmark_text的内容
string text = "xxx科技股份有限公司成立于2010年12月，是一家致力于高新技术产品研发、生产、销售的高科技股份制企业，"
    + "公司坚持以技术创新为核心，以知识产权为基础，以人才战略为支撑，经过多年的砺练与发展，公司已逐步成以创新为引导的，"
    + "产品具有竞争力，人才素质优良的新兴科技企业。";
bookmark.replacecontent("bookmark_text", text, true);

//用图片替换书签bookmark_picture的内容
string picpath = @"c:\users\administrator\desktop\company_logo.jpg";
bookmark.replacecontent("bookmark_picture", picpath, 80f, 80f, textwrappingstyle.topandbottom, shapehorizontalalignment.center);

//创建模拟数据
datatable dt = new datatable();
dt.columns.add("employee_id", typeof(string));
dt.columns.add("name", typeof(string));
dt.columns.add("age", typeof(string));
dt.columns.add("sex", typeof(string));
dt.columns.add("title", typeof(string));
dt.rows.add(new string[] {"工号", "姓名", "年龄", "性别", "职位" });
dt.rows.add(new string[] {"1023","nancy", "28", "女", "java程序员" });
dt.rows.add(new string[] { "1024","james", "34", "男", ".net程序员" });
dt.rows.add(new string[] { "1025","kobe", "38", "男", "系统管理员" });

//创建表格，并填充数据
table table = bookmark.createtable(dt.rows.count, dt.columns.count, 100f, rowalignment.left, dt);

//用表格替换书签bookmark_table的内容
bookmark.replacecontent("bookmark_table", table);

//生成word文件
doc.savetofile("output.docx", fileformat.docx2013);