void Main()
{
	//打开word文件
	XWPFDocument document = null;
	try
	{
		using (FileStream stream = File.OpenRead(@"15.docx"))
		{
			document = new XWPFDocument(stream);
		}
		CT_Body body = document.Document.body;

		var controls = body.getValueFromContentControl();
		for (int i = 0; i < controls.Count; i++)
		{
			Console.WriteLine(controls[i].Title);
			Console.WriteLine(controls[i].Tip);
			Console.WriteLine(controls[i].Text);
			Console.WriteLine("_____________________");
		}

		//设置内容控件的值
		body.SetValueToContentControl("title1 ", "标题1");

		//替换标签内容
		body.SetValueToBookmark("bookmark1", "");

		//保存文件
		string filename = Path.Combine(@"15.docx");
		using (FileStream fs = new FileStream(filename, FileMode.Create, FileAccess.Write))
		{
			document.Write(fs);
			document.Close();
		}
		//打开文件夹
		System.Diagnostics.Process.Start("explorer.exe", Path.Combine(@"15.docx"));

	}
	catch (Exception ex)
	{
		throw new Exception(string.Format("文件{0}打开失败，错误：{1}", new string[] { "", ex.ToString() }));
	}
}

public static class NPOI_Word
{
	/// <summary>获取word的内容控件的值</summary>
	public static List<ContentControl> getValueFromContentControl(this CT_Body body)
	{
		var controls = new List<ContentControl>();
		getValueFromContentControl1(body.Items, controls);
		return controls;
	}
	private static void getValueFromContentControl1(ArrayList items, List<ContentControl> controls)
	{

		for (int i = 0; i < items.Count; i++)
		{
			var item = items[i];
			if (item.GetType() == typeof(CT_P))
			{
				var p = item as CT_P;
				var arr = p.Items;
				for (int j = 0; j < arr.Count; j++)
				{
					var a = arr[j];
					if (a.GetType() == typeof(CT_SdtRun))
					{
						CT_SdtRun sdt = a as CT_SdtRun;
						var list = sdt.sdtPr.Items;

						string title = "";
						string text = "";
						var tag = "";
						for (int k = 0; k < list.Count; k++)
						{
							var b = list[k];
							if (b.GetType() == typeof(CT_String) && k == 1)
							{
								title = (b as CT_String).val;
							}
							if (b.GetType() == typeof(CT_String) && k == 2)
							{
								tag = (b as CT_String).val;
							}
						}
						var a1 = sdt.sdtContent.Items[0];
						if (a1 is CT_R)
						{
							var text1 = (a1 as CT_R).Items[0];
							text = (text1 as CT_Text).Value;
						}
						controls.Add(new ContentControl() { Title = title, Tip = tag, Text = text });
					}
				}
			}
			else if (item.GetType() == typeof(CT_Tbl))
			{
				CT_Tbl tbl = item as CT_Tbl;
				ArrayList arr = tbl.Items1;
				for (int j = 0; j < arr.Count; j++)
				{
					var a = arr[j] as CT_Row;
					if (a != null)
					{
						var cells = a.Items;

						for (int k = 0; k < cells.Count; k++)
						{
							var cell = cells[k] as CT_Tc;
							if (cell != null)
							{
								var c_ps = cell.Items;
								for (int h = 0; h < c_ps.Count; h++)
								{
									var c_p = c_ps[h] as CT_P;
									if (c_p != null)
									{
										getValueFromContentControl1(c_ps, controls);
									}
								}
							}
						}
					}
				}
			}
		}
	}

	/// <summary>
	/// 给word的内容控件赋值
	/// </summary>
	/// <param name="body"></param>
	/// <param name="title">控件的标题</param>
	/// <param name="value">要赋的值</param>
	/// <returns></returns>
	public static void SetValueToContentControl(this CT_Body body, string title, string value)
	{
		setValueToContentControl1(body.Items, title, value);
	}
	private static void setValueToContentControl1(ArrayList items, string title, string text)
	{
		for (int i = 0; i < items.Count; i++)
		{
			var item = items[i];
			if (item.GetType() == typeof(CT_P))
			{
				var p = item as CT_P;
				var arr = p.Items;
				for (int j = 0; j < arr.Count; j++)
				{
					var a = arr[j];
					if (a.GetType() == typeof(CT_SdtRun))
					{
						CT_SdtRun sdt = a as CT_SdtRun;
						var list = sdt.sdtPr.Items;
						for (int k = 0; k < list.Count; k++)
						{
							var b = list[k];
							if (b.GetType() == typeof(CT_String))
							{
								var str = b as CT_String;
								if (str.val == title)
								{
									((CT_R)sdt.sdtContent.Items[0]).Items.Clear();
									((CT_R)sdt.sdtContent.Items[0]).AddNewT().Value = text;
								}
							}
						}
					}
				}
			}
			else if (item.GetType() == typeof(CT_Tbl))
			{
				CT_Tbl tbl = item as CT_Tbl;
				ArrayList arr = tbl.Items1;
				for (int j = 0; j < arr.Count; j++)
				{
					var a = arr[j] as CT_Row;
					if (a != null)
					{
						var cells = a.Items;

						for (int k = 0; k < cells.Count; k++)
						{
							var cell = cells[k] as CT_Tc;
							if (cell != null)
							{
								var c_ps = cell.Items;
								for (int h = 0; h < c_ps.Count; h++)
								{
									var c_p = c_ps[h] as CT_P;
									if (c_p != null)
									{
										setValueToContentControl1(c_ps, title, text);
									}
								}
							}
						}
					}
				}
			}
		}
	}

	/// <summary>
	/// 给word文档的标签赋值，如果value为null，则删除标签
	/// </summary>
	/// <param name="body"></param>
	/// <param name="mark">标签名</param>
	/// <param name="value">要赋的值</param>
	/// <returns></returns>
	public static bool SetValueToBookmark(this CT_Body body, string mark, string value)
	{
		return replacebookmark1(body.Items, mark, value);
	}
	private static bool replacebookmark1(ArrayList items, string mark, string value)
	{
		string id = null;
		CT_RPr rpr = null;
		CT_P s_p = null;
		for (int i = 0; i < items.Count; i++)
		{
			var item = items[i];
			if (item.GetType() == typeof(CT_P))
			{
				var p = item as CT_P;
				var arr = p.Items;
				for (int j = 0; j < arr.Count; j++)
				{
					var a = arr[j];
					if (a.GetType() == typeof(CT_Bookmark))
					{
						if ((a as CT_Bookmark).name == mark)
						{
							id = (a as CT_Bookmark).id;
							s_p = p;
						}
					}
					if (id != null)
					{
						if (a.GetType() == typeof(CT_R))
						{
							rpr = (a as CT_R).rPr;
						}
						if (a.GetType() == typeof(CT_Bookmark))
						{
							if ((a as CT_Bookmark).id == id)
							{
								arr.RemoveAt(j);
								j--;
							}
						}
						else if (a.GetType() != typeof(CT_MarkupRange))
						{
							arr.RemoveAt(j);
							j--;
						}
						else
						{
							if ((a as CT_MarkupRange).id == id)
							{
								if (value != null)
								{
									CT_R n_r = p.InsertNewR(j - 1);
									n_r.rPr = rpr;
									n_r.AddNewT().Value = value;
								}
								arr.RemoveAt(j);
								id = null;
								rpr = null;
								return true;

							}
						}
					}
				}
			}
			else if (item.GetType() == typeof(CT_MarkupRange))
			{
				if (id != null)
				{
					if ((item as CT_MarkupRange).id == id)
					{
						if (value != null)
						{
							CT_R n_r = s_p.AddNewR();
							n_r.rPr = rpr;
							n_r.AddNewT().Value = value;
						}
						items.RemoveAt(i);
						id = null;
						rpr = null;
						return true;
					}
				}
			}
			else if (item.GetType() == typeof(CT_Tbl))
			{
				CT_Tbl tbl = item as CT_Tbl;
				ArrayList arr = tbl.Items1;
				for (int j = 0; j < arr.Count; j++)
				{
					var a = arr[j] as CT_Row;
					if (a != null)
					{
						var cells = a.Items;

						for (int k = 0; k < cells.Count; k++)
						{
							var cell = cells[k] as CT_Tc;
							if (cell != null)
							{
								var c_ps = cell.Items;
								for (int h = 0; h < c_ps.Count; h++)
								{
									var c_p = c_ps[h] as CT_P;
									if (c_p != null)
									{
										bool temp = replacebookmark1(c_ps, mark, value);
										if (temp == true)
										{
											return true;
										}
									}
								}
							}
						}
					}
				}
			}
		}
		return false;
	}

	public class ContentControl
	{
		public string Title { set; get; }
		public string Tip { set; get; }
		public string Text { set; get; }
	}

}