using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.IO; using System.Xml;
namespace MyWindows { /// <summary> /// 这个示例演示如何把Office文件编码为xml文件以及如何把生成的xml文件转换成Office文件 /// 把文件转换成xml格式,然后就可以用web服务,.NET Remoting,WinSock等传送了(其中后两者可以不转换也可以传送) /// xml解决了在多层架构中数据传输的问题,比如说在客户端可以用Web服务获取服务器端的office文件,修改后再回传给服务器 /// 只要把文件转换成xml格式,便有好多方案可以使用了,而xml具有平台无关性,你可以在服务端用.net用发布web服务,然后客户端用 /// Java写一段applit小程序来处理发送过来的文件,当然我举的例子几乎没有任何显示意义,它却给了我们不少的启示. /// 另外如果你的解决方案是基于多平台的,那么他们之间的交互最好不要用远程应用程序接口调用(RPC),应该尽量用基于文档的交互, /// 比如说.net下的MSMQ,j2ee的JMQ. /// /// 示例中设计到好多的类,我并没有在所有的地方做过多注释,有不明白的地方请参阅MSDN,这是偶第一个windows程序,有不对的地方 /// 欢迎各位指导 /// </summary> public class Form1 : System.Windows.Forms.Form {
/// <summary> /// 声明四个Button,一个OpenFileDialog,一个SaveFileDialog,以及两个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 窗体设计器支持所必需的 // InitializeComponent();
// // TODO: 在 InitializeComponent 调用后添加任何构造函数代码 // }
/// <summary> /// 清理所有正在使用的资源。 /// </summary> protected override void Dispose( bool disposing ) { if( disposing ) { if(components != null) { components.Dispose(); } } base.Dispose( disposing ); }
#region Windows 窗体设计器生成的代码 /// <summary> /// 设计器支持所需的方法 - 不要使用代码编辑器修改 /// 此方法的内容。 /// </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 = "加载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 = "加载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); // //手工注册一下Load和Closed事件 // this.Load += new System.EventHandler(this.Form1_Load); this.Closed += new System.EventHandler(this.Form1_Closed);
} #endregion
/// <summary> /// 从这个入口启动窗体 /// </summary> static void Main() { Application.Run(new Form1()); } /// <summary> /// 把加载的Office文件转换为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";//设置打开对话框的文件过滤条件 saveFileDialog1.Title = "保存成 xml 文件";//设置打开对话框的标题 saveFileDialog1.FileName=""; saveFileDialog1.ShowDialog();//打开对话框
if(saveFileDialog1.FileName != "")//检测用户是否输入了保存文件名 { mXmlDoc.Save(saveFileDialog1.FileName);//用私有对象mXmlDoc保存文件,mXmlDoc在前面声明过 MessageBox.Show("保存成功"); } }
/// <summary> /// 把加载的xml文件转换为Office文件 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void button2_Click(object sender, System.EventArgs e) { //从私有对象dox里选取me节点,这里的一些对xml对象的操作详细说明可以参考msdn以获取更多信息 XmlNode node=doc.DocumentElement .SelectSingleNode("me") ; XmlElement ele=(XmlElement)node;//获取一个xml元素 string pic=ele.GetAttribute ("aa");//获取ele元素的aa属性并报讯在一个临时字符串变量pic
byte[] bytes=Convert.FromBase64String (pic);//声明一个byte[]用来存放Base64解码转换过来的数据流 //从保存对话框里获取文件保存地址 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 != "") { //创建文件流并保存 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> /// 加载窗口时的一些初始化行为 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> public void Form1_Load(object sender, System.EventArgs e) { MessageBox.Show("欢迎使用蛙蛙牌文档转换器"); } /// <summary> /// 卸载窗体时把临时变量全部释放 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> public void Form1_Closed(object sender, System.EventArgs e) { mXmlDoc=null; doc=null; } /// <summary> /// 加载office文件并编码序列花为一个XmlDocument变量 /// </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.FileAccess.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("加载成功"); }
} /// <summary> /// 加载xml文件到私有对象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("加载成功"); }
}
} }
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