using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Reflection;
using Microsoft.Office.Interop.Word;

namespace Renfb.Word
{
    public class Word
    {
        private object _outputname = "";
        private object _inputname = "";

        // 输出文件名，将word另存为的文件名，绝对地址
        public object OutPutName
        {
            get { return _outputname; }
            set { _outputname = value; }
        }

        //输入文件名,Word的模板文件（还有相应的标记{biaoji1}或者任意字符串).
绝对地址
        public object InPutName
        {
            get { return _inputname; }
            set { _inputname = value; }
        }

        public Word() { }

        public Word(object inputname,object outputname)
        {
            this._inputname = inputname;
            this._outputname = outputname;
        }

        private Dictionary _put = new Dictionary();

       //param key标记{biaoji1}或者要替换的任意字符串
       // param value替换后的字符串
     public void Put(string key, string value)
        {
            _put.Add(key, value);
        }

        #region 内部变量
        private object missValue = Missing.Value;
        private object trueValue = true;
        private object falseValue = false;
        private object oStory=WdUnits.wdStory;
        private object oMove=WdMovementType.wdMove;
        private ApplicationClass app = null;
        private Document doc=null;
        #endregion

        //打开文档。
        private void openDocument()
        {
            app = new ApplicationClass();
            app.Visible = false;
            app.DisplayAlerts = WdAlertLevel.wdAlertsNone;
            doc = app.Documents.Open(
                    ref _inputname,
                    ref missValue,
                    ref trueValue,
                    ref missValue,
                    ref missValue,
                    ref missValue,
                    ref missValue,
                    ref missValue,
                    ref missValue,
                    ref missValue,
                    ref missValue,
                    ref missValue,
                    ref missValue,
                    ref missValue,
                    ref missValue,
                    ref missValue
                    );
        }

        // 文档另存为新Word文件。
        private void saveAsDocument()
        {
            doc.SaveAs(
                   ref _outputname,
                   ref missValue,
                   ref missValue,
                   ref missValue,
                   ref missValue,
                   ref missValue,
                   ref missValue,
                   ref missValue,
                   ref missValue,
                   ref missValue,
                   ref missValue,
                   ref missValue,
                   ref missValue,
                   ref missValue,
                   ref missValue,
                   ref missValue
                  );
        }

        // 将相应的标签替换然后保存
        public void Save()
        {
            if (string.IsNullOrEmpty(_inputname.ToString()))
            {
                throw new Exception("InPutName 不能为空，请输入模板文件的地址。
InPutName为模板文件的绝对地址");
            }
            if (string.IsNullOrEmpty(_outputname.ToString()))
            {
                throw new Exception("OutPutName 不能为空,请输入保存模板文件的地址，
OutPutName为模板文件的绝对地址");
            }

            try
            {
                //打开Word文档。
                this.openDocument();
                app.Selection.HomeKey(ref oStory,ref oMove);
                Find find = app.Selection.Find;
                find.ClearFormatting();
                find.Replacement.ClearFormatting();
                foreach (string key in _put.Keys)
                {
                    find.Text = key;
                    find.Replacement.Text = _put[key];
                    this.ExecuteReplace(find);
                }
                //将文档另存为新文档。
                this.saveAsDocument();
            }
            catch (Exception ex)
            {
                throw new Exception("错误：" + ex.Message);
            }
            finally
            {
                app.Quit(ref missValue, ref missValue, ref missValue);
            }
        }

        private bool ExecuteReplace(Find find)
        {
            return this.ExecuteReplace(find, WdReplace.wdReplaceAll);
        }

        private bool ExecuteReplace(Find find, object objReplaceOption)
        {
             return find.Execute(
                ref missValue,
                ref missValue,
                ref missValue,
                ref missValue,
                ref missValue,
                ref missValue,
                ref missValue,
                ref missValue,
                ref missValue,
                ref missValue,
                ref objReplaceOption,
                ref missValue,
                ref missValue,
                ref missValue,
                ref missValue
                );
        }
    }
}
       

string inputname = Server.MapPath("1.doc");
string outputname = Server.MapPath("3.doc");
Word word = new Word(inputname, outputname);
word.Put("{documentVersion}", "2.6");
word.Put("{ProjectName}", "Renfb.Word");
word.Put("{author}", "Renfb");
word.Put("{CreateRiqi}", "2011.07.04");
word.Put("{Lianxiren}", "任锋宾");
word.Put("{num}", "1");
word.Save();