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  • 用C#把文件轉換為XML

    發表于:2007-05-25來源:作者:點擊數: 標簽:xmlSystem.usingSystem文件
    using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.IO; using System.Xml; namespace MyWindows { /// summary /// 這個示例演示如何把Office文件編碼為xml文件以及如
    using System;
    using System.Drawing;
    using System.Collections;
    using System.ComponentModel;
    using System.Windows.Forms;
    using System.IO;
    using System.Xml;

    namespace MyWindows
    {
     /// <summary>
     /// 這個示例演示如何把Office文件編碼為xml文件以及如何把生成的xml文件轉換成Office文件
     /// 把文件轉換成xml格式,然后就可以用web服務,.NET Remoting,WinSock等傳送了(其中后兩者可以不轉換也可以傳送)
     /// xml解決了在多層架構中數據傳輸的問題,比如說在客戶端可以用Web服務獲取服務器端的office文件,修改后再回傳給服務器
     /// 只要把文件轉換成xml格式,便有好多方案可以使用了,而xml具有平臺無關性,你可以在服務端用.net用發布web服務,然后客戶端用
     /// Java寫一段applit小程序來處理發送過來的文件,當然我舉的例子幾乎沒有任何顯示意義,它卻給了我們不少的啟示.
     /// 另外如果你的解決方案是基于多平臺的,那么他們之間的交互最好不要用遠程應用程序接口調用(RPC),應該盡量用基于文檔的交互,
     /// 比如說.net下的MSMQ,j2ee的JMQ.
     ///
     /// 示例中設計到好多的類,我并沒有在所有的地方做過多注釋,有不明白的地方請參閱MSDN,這是偶第一個windows程序,有不對的地方
     /// 歡迎各位指導
     /// </summary>
     public class Form1 : System.Windows.Forms.Form
     {

      /// <summary>
      /// 聲明四個Button,一個OpenFileDialog,一個SaveFileDialog,以及兩個XmlDocument
      /// </summary>
      private System.Windows.Forms.Button button1;
      private System.Windows.Forms.Button button2;
      private System.Windows.Forms.OpenFileDialog openFileDialog1;
      private System.Windows.Forms.SaveFileDialog saveFileDialog1;
      private System.Windows.Forms.Button button3;
      private System.Windows.Forms.Button button4;
      private System.Xml.XmlDocument mXmlDoc;
      private System.Xml.XmlDocument doc;
      private System.ComponentModel.Container components = null;

      public Form1()
      {
       //
       // Windows 窗體設計器支持所必需的
       //
       InitializeComponent();

       //
       // TODO: 在 InitializeComponent 調用后添加任何構造函數代碼
       //
      }

      /// <summary>
      /// 清理所有正在使用的資源。
      /// </summary>
      protected override void Dispose( bool disposing )
      {
       if( disposing )
       {
        if(components != null)
        {
         components.Dispose();
        }
       }
       base.Dispose( disposing );
      }

      #region Windows 窗體設計器生成的代碼
      /// <summary>
      /// 設計器支持所需的方法 - 不要使用代碼編輯器修改
      /// 此方法的內容。
      /// </summary>
      private void InitializeComponent()
      {
       this.button1 = new System.Windows.Forms.Button();
       this.button2 = new System.Windows.Forms.Button();
       this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
       this.saveFileDialog1 = new System.Windows.Forms.SaveFileDialog();
       this.button3 = new System.Windows.Forms.Button();
       this.button4 = new System.Windows.Forms.Button();
       this.SuspendLayout();
       //
       // button1
       //
       this.button1.Location = new System.Drawing.Point(96, 32);
       this.button1.Name = "button1";
       this.button1.TabIndex = 0;
       this.button1.Text = "生成xml";
       this.button1.Click += new System.EventHandler(this.button1_Click);
       //
       // button2
       //
       this.button2.Location = new System.Drawing.Point(96, 80);
       this.button2.Name = "button2";
       this.button2.TabIndex = 1;
       this.button2.Text = "生成doc";
       this.button2.Click += new System.EventHandler(this.button2_Click);
       //
       // button3
       //
       this.button3.Location = new System.Drawing.Point(8, 32);
       this.button3.Name = "button3";
       this.button3.TabIndex = 2;
       this.button3.Text = "加載doc";
       this.button3.Click += new System.EventHandler(this.button3_Click);
       //
       // button4
       //
       this.button4.Location = new System.Drawing.Point(8, 80);
       this.button4.Name = "button4";
       this.button4.TabIndex = 3;
       this.button4.Text = "加載xml";
       this.button4.Click += new System.EventHandler(this.button4_Click);
       //
       // Form1
       //
       this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
       this.ClientSize = new System.Drawing.Size(184, 141);
       this.Controls.Add(this.button4);
       this.Controls.Add(this.button3);
       this.Controls.Add(this.button2);
       this.Controls.Add(this.button1);
       this.Name = "Form1";
       this.Text = "Form1";
       this.ResumeLayout(false);
       //
       //手工注冊一下Load和Closed事件
       //
       this.Load += new System.EventHandler(this.Form1_Load);
       this.Closed += new System.EventHandler(this.Form1_Closed);

      }
      #endregion

      /// <summary>
      /// 從這個入口啟動窗體
      /// </summary>
      static void Main()
      {
       Application.Run(new Form1());
      }
      /// <summary>
      /// 把加載的Office文件轉換為xml文件
      /// </summary>
      /// <param name="sender"></param>
      /// <param name="e"></param>
      private void button1_Click(object sender, System.EventArgs e)
      {
       saveFileDialog1.Filter = "xml 文件|*.xml";//設置打開對話框的文件過濾條件
       saveFileDialog1.Title = "保存成 xml 文件";//設置打開對話框的標題
       saveFileDialog1.FileName="";
       saveFileDialog1.ShowDialog();//打開對話框

       if(saveFileDialog1.FileName != "")//檢測用戶是否輸入了保存文件名
       {
        mXmlDoc.Save(saveFileDialog1.FileName);//用私有對象mXmlDoc保存文件,mXmlDoc在前面聲明過
        MessageBox.Show("保存成功");
       }
      }

      /// <summary>
      /// 把加載的xml文件轉換為Office文件
      /// </summary>
      /// <param name="sender"></param>
      /// <param name="e"></param>
      private void button2_Click(object sender, System.EventArgs e)
      {
       //從私有對象dox里選取me節點,這里的一些對xml對象的操作詳細說明可以參考msdn以獲取更多信息
       XmlNode node=doc.DocumentElement .SelectSingleNode("me") ;
       XmlElement ele=(XmlElement)node;//獲取一個xml元素
       string pic=ele.GetAttribute ("aa");//獲取ele元素的aa屬性并報訊在一個臨時字符串變量pic

       byte[] bytes=Convert.FromBase64String (pic);//聲明一個byte[]用來存放Base64解碼轉換過來的數據流
      
       //從保存對話框里獲取文件保存地址
       saveFileDialog1.Filter = "Office Documents(*.doc, *.xls, *.ppt)|*.doc;*.xls;*.ppt";
       saveFileDialog1.Title = "保存成 office 文件";
       saveFileDialog1.FileName="";
       saveFileDialog1.ShowDialog();

       if(saveFileDialog1.FileName != "")
       {
        //創建文件流并保存
        FileStream outfile=new System.IO .FileStream (saveFileDialog1.FileName,System.IO.FileMode.CreateNew);
        outfile.Write(bytes,0,(int)bytes.Length );
        MessageBox.Show("保存成功");
       }

      }

      /// <summary>
      /// 加載窗口時的一些初始化行為
      /// </summary>
      /// <param name="sender"></param>
      /// <param name="e"></param>
      public void Form1_Load(object sender, System.EventArgs e)
      {
       MessageBox.Show("歡迎使用蛙蛙牌文檔轉換器");
      }
      /// <summary>
      /// 卸載窗體時把臨時變量全部釋放
      /// </summary>
      /// <param name="sender"></param>
      /// <param name="e"></param>
      public void Form1_Closed(object sender, System.EventArgs e)
      {
       mXmlDoc=null;
       doc=null;
      }
      /// <summary>
      /// 加載office文件并編碼序列花為一個XmlDocument變量
      /// </summary>
      /// <param name="sender"></param>
      /// <param name="e"></param>
      private void button3_Click(object sender, System.EventArgs e)
      {
       string strFileName;
       openFileDialog1.Filter = "Office Documents(*.doc, *.xls, *.ppt)|*.doc;*.xls;*.ppt" ;
       openFileDialog1.FilterIndex = 1;
       openFileDialog1.FileName = "";
       openFileDialog1.ShowDialog();
       strFileName = openFileDialog1.FileName;
       if(strFileName.Length != 0)
       {
        System.IO.FileStream inFile=new FileStream(strFileName,System.IO.FileMode.Open,System.IO.FileAclearcase/" target="_blank" >ccess.Read);
        byte[] binaryData=new byte [inFile.Length];
        inFile.Read(binaryData, 0,(int)inFile.Length);
        string mStr=Convert.ToBase64String(binaryData);
        string hh=mStr;
        mXmlDoc=new System.Xml.XmlDocument();
     
        mStr=string.Format ("<wawa><me aa=\"{0}\"/></wawa>",mStr);
        mXmlDoc.LoadXml( mStr);
        MessageBox.Show("加載成功");
       }

      }
      /// <summary>
      /// 加載xml文件到私有對象dox
      /// </summary>
      /// <param name="sender"></param>
      /// <param name="e"></param>
      private void button4_Click(object sender, System.EventArgs e)
      {
       string strFileName;
       openFileDialog1.Filter = "xml 文件|*.xml" ;
       openFileDialog1.FilterIndex = 1;
       openFileDialog1.FileName = "";
       openFileDialog1.ShowDialog();
       strFileName = openFileDialog1.FileName;
       //If the user does not cancel, open the document.
       if(strFileName.Length != 0)
       {
        doc=new XmlDocument();
        doc.Load(strFileName);
        MessageBox.Show("加載成功");
       }

      }

     }
    }

    原文轉自:http://www.kjueaiud.com

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