frmstudentfile.cs

北大青鸟内部资料

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.IO;
using System.Text;

namespace Example_7
{
	/// <summary>
	/// Summary description for frmDisplay.
	/// </summary>
	public class frmStudentFile : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Label lblGrade;
		private System.Windows.Forms.Label lblClass;
		private System.Windows.Forms.Label lblLastName;
		private System.Windows.Forms.Label lblFirstName;
		private System.Windows.Forms.Button btnExit;
		private System.Windows.Forms.Label lblFirstNameValue;
		private System.Windows.Forms.Label lblLastNameValue;
		private System.Windows.Forms.Label lblClassValue;
		private System.Windows.Forms.Label lblGradeValue;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public frmStudentFile()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.lblGrade = new System.Windows.Forms.Label();
			this.lblClass = new System.Windows.Forms.Label();
			this.lblLastName = new System.Windows.Forms.Label();
			this.lblFirstName = new System.Windows.Forms.Label();
			this.btnExit = new System.Windows.Forms.Button();
			this.lblFirstNameValue = new System.Windows.Forms.Label();
			this.lblLastNameValue = new System.Windows.Forms.Label();
			this.lblClassValue = new System.Windows.Forms.Label();
			this.lblGradeValue = new System.Windows.Forms.Label();
			this.SuspendLayout();
			// 
			// lblGrade
			// 
			this.lblGrade.Location = new System.Drawing.Point(19, 138);
			this.lblGrade.Name = "lblGrade";
			this.lblGrade.Size = new System.Drawing.Size(77, 25);
			this.lblGrade.TabIndex = 7;
			this.lblGrade.Text = "年级：";
			// 
			// lblClass
			// 
			this.lblClass.Location = new System.Drawing.Point(19, 103);
			this.lblClass.Name = "lblClass";
			this.lblClass.Size = new System.Drawing.Size(77, 25);
			this.lblClass.TabIndex = 6;
			this.lblClass.Text = "班级：";
			// 
			// lblLastName
			// 
			this.lblLastName.Location = new System.Drawing.Point(19, 60);
			this.lblLastName.Name = "lblLastName";
			this.lblLastName.Size = new System.Drawing.Size(77, 25);
			this.lblLastName.TabIndex = 5;
			this.lblLastName.Text = "姓氏：";
			// 
			// lblFirstName
			// 
			this.lblFirstName.Location = new System.Drawing.Point(19, 26);
			this.lblFirstName.Name = "lblFirstName";
			this.lblFirstName.Size = new System.Drawing.Size(87, 25);
			this.lblFirstName.TabIndex = 4;
			this.lblFirstName.Text = "姓名：";
			// 
			// btnExit
			// 
			this.btnExit.Location = new System.Drawing.Point(144, 181);
			this.btnExit.Name = "btnExit";
			this.btnExit.Size = new System.Drawing.Size(90, 25);
			this.btnExit.TabIndex = 8;
			this.btnExit.Text = "退出(&E)";
			this.btnExit.Click += new System.EventHandler(this.btnExit_Click);
			// 
			// lblFirstNameValue
			// 
			this.lblFirstNameValue.Location = new System.Drawing.Point(104, 26);
			this.lblFirstNameValue.Name = "lblFirstNameValue";
			this.lblFirstNameValue.Size = new System.Drawing.Size(120, 25);
			this.lblFirstNameValue.TabIndex = 9;
			// 
			// lblLastNameValue
			// 
			this.lblLastNameValue.Location = new System.Drawing.Point(104, 60);
			this.lblLastNameValue.Name = "lblLastNameValue";
			this.lblLastNameValue.Size = new System.Drawing.Size(120, 25);
			this.lblLastNameValue.TabIndex = 10;
			// 
			// lblClassValue
			// 
			this.lblClassValue.Location = new System.Drawing.Point(104, 103);
			this.lblClassValue.Name = "lblClassValue";
			this.lblClassValue.Size = new System.Drawing.Size(120, 25);
			this.lblClassValue.TabIndex = 11;
			// 
			// lblGradeValue
			// 
			this.lblGradeValue.Location = new System.Drawing.Point(104, 138);
			this.lblGradeValue.Name = "lblGradeValue";
			this.lblGradeValue.Size = new System.Drawing.Size(120, 25);
			this.lblGradeValue.TabIndex = 12;
			// 
			// frmStudentFile
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(240, 212);
			this.Controls.Add(this.lblGradeValue);
			this.Controls.Add(this.lblClassValue);
			this.Controls.Add(this.lblLastNameValue);
			this.Controls.Add(this.lblFirstNameValue);
			this.Controls.Add(this.btnExit);
			this.Controls.Add(this.lblGrade);
			this.Controls.Add(this.lblClass);
			this.Controls.Add(this.lblLastName);
			this.Controls.Add(this.lblFirstName);
			this.Name = "frmStudentFile";
			this.Text = "学生文件";
			this.Load += new System.EventHandler(this.frmDisplay_Load);
			this.ResumeLayout(false);

		}
		#endregion

		private void frmDisplay_Load(object sender, System.EventArgs e)
		{
			FileStream fstream = File.OpenRead("C:\\Student.txt"); 
			long filesize = fstream.Length; 
			//create a byte array to read the data 
			byte[] arr = new byte[filesize];
			UTF8Encoding data = new UTF8Encoding(true);
        
			//read the contents of the file into an array
			fstream.Read(arr,0,arr.Length); 
			
			//split the array to retrieve individual field values
			string text = data.GetString(arr);
			string delim = " ";
			char [] delimiter = delim.ToCharArray();
			string [] split = null;
			for (int x = 1; x <= text.Length; x++) 
			{
				split = text.Split(delimiter, x);
			}
			//assign the values to the respective field on the form
			lblFirstNameValue.Text = split[0];
			lblLastNameValue.Text  = split[1];
			lblClassValue.Text = split[2];
			lblGradeValue.Text = split[3];
		}

		private void btnExit_Click(object sender, System.EventArgs e)
		{
			Application.Exit ();
		}
	}
}