displaystudentdetails.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 ApplicationForm
{
	/// <summary>
	/// Summary description for DisplayDetails.
	/// </summary>
	public class DisplayStudentDetailsForm : System.Windows.Forms.Form
	{
		private System.Windows.Forms.GroupBox groupBox1;
		private System.Windows.Forms.Button btnFinish;
		protected internal System.Windows.Forms.Label lblCourseTypeDetail;
		protected internal System.Windows.Forms.Label lblCourseType;
		protected internal System.Windows.Forms.Label lblCoursesDetail;
		protected internal System.Windows.Forms.Label lblTelephoneDetail;
		protected internal System.Windows.Forms.Label lblPerAddressDetail;
		protected internal System.Windows.Forms.Label lblAddressDetail;
		protected internal System.Windows.Forms.Label lblSexDetail;
		protected internal System.Windows.Forms.Label lblNameDetails;
		private System.Windows.Forms.Label lblSex;
		private System.Windows.Forms.Label lblPerAddress;
		private System.Windows.Forms.Label lblCourseSelected;
		protected internal System.Windows.Forms.Label lblStdEnNo;
		protected internal System.Windows.Forms.Label lblStdEnNoDetail;
		private System.Windows.Forms.Label lblTelephone;
		private System.Windows.Forms.Label lblAddress;
		private System.Windows.Forms.Label lblName;

		string [] split = null;
		private int startIndex=0, endIndex=0;
		int pages = 0, curpages=0;
		private System.Windows.Forms.Button btnNext;
		private System.Windows.Forms.Label lblRecords;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Button button2;

		private FileStream fstream;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public DisplayStudentDetailsForm()
		{
			//
			// 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.groupBox1 = new System.Windows.Forms.GroupBox();
			this.lblRecords = new System.Windows.Forms.Label();
			this.lblCourseTypeDetail = new System.Windows.Forms.Label();
			this.lblCourseType = new System.Windows.Forms.Label();
			this.lblCoursesDetail = new System.Windows.Forms.Label();
			this.lblTelephoneDetail = new System.Windows.Forms.Label();
			this.lblPerAddressDetail = new System.Windows.Forms.Label();
			this.lblAddressDetail = new System.Windows.Forms.Label();
			this.lblSexDetail = new System.Windows.Forms.Label();
			this.lblNameDetails = new System.Windows.Forms.Label();
			this.lblSex = new System.Windows.Forms.Label();
			this.lblPerAddress = new System.Windows.Forms.Label();
			this.lblCourseSelected = new System.Windows.Forms.Label();
			this.lblStdEnNo = new System.Windows.Forms.Label();
			this.lblStdEnNoDetail = new System.Windows.Forms.Label();
			this.lblTelephone = new System.Windows.Forms.Label();
			this.lblAddress = new System.Windows.Forms.Label();
			this.lblName = new System.Windows.Forms.Label();
			this.btnFinish = new System.Windows.Forms.Button();
			this.btnNext = new System.Windows.Forms.Button();
			this.button1 = new System.Windows.Forms.Button();
			this.button2 = new System.Windows.Forms.Button();
			this.groupBox1.SuspendLayout();
			this.SuspendLayout();
			// 
			// groupBox1
			// 
			this.groupBox1.Controls.Add(this.lblRecords);
			this.groupBox1.Controls.Add(this.lblCourseTypeDetail);
			this.groupBox1.Controls.Add(this.lblCourseType);
			this.groupBox1.Controls.Add(this.lblCoursesDetail);
			this.groupBox1.Controls.Add(this.lblTelephoneDetail);
			this.groupBox1.Controls.Add(this.lblPerAddressDetail);
			this.groupBox1.Controls.Add(this.lblAddressDetail);
			this.groupBox1.Controls.Add(this.lblSexDetail);
			this.groupBox1.Controls.Add(this.lblNameDetails);
			this.groupBox1.Controls.Add(this.lblSex);
			this.groupBox1.Controls.Add(this.lblPerAddress);
			this.groupBox1.Controls.Add(this.lblCourseSelected);
			this.groupBox1.Controls.Add(this.lblStdEnNo);
			this.groupBox1.Controls.Add(this.lblStdEnNoDetail);
			this.groupBox1.Controls.Add(this.lblTelephone);
			this.groupBox1.Controls.Add(this.lblAddress);
			this.groupBox1.Controls.Add(this.lblName);
			this.groupBox1.Location = new System.Drawing.Point(10, 9);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(451, 517);
			this.groupBox1.TabIndex = 8;
			this.groupBox1.TabStop = false;
			this.groupBox1.Text = "学生详细信息";
			// 
			// lblRecords
			// 
			this.lblRecords.Location = new System.Drawing.Point(293, 491);
			this.lblRecords.Name = "lblRecords";
			this.lblRecords.Size = new System.Drawing.Size(120, 17);
			this.lblRecords.TabIndex = 31;
			this.lblRecords.Text = "记录：";
			// 
			// lblCourseTypeDetail
			// 
			this.lblCourseTypeDetail.Location = new System.Drawing.Point(161, 457);
			this.lblCourseTypeDetail.Name = "lblCourseTypeDetail";
			this.lblCourseTypeDetail.Size = new System.Drawing.Size(252, 24);
			this.lblCourseTypeDetail.TabIndex = 28;
			// 
			// lblCourseType
			// 
			this.lblCourseType.Location = new System.Drawing.Point(19, 457);
			this.lblCourseType.Name = "lblCourseType";
			this.lblCourseType.Size = new System.Drawing.Size(96, 25);
			this.lblCourseType.TabIndex = 27;
			this.lblCourseType.Text = "课程类型：";
			// 
			// lblCoursesDetail
			// 
			this.lblCoursesDetail.Location = new System.Drawing.Point(161, 379);
			this.lblCoursesDetail.Name = "lblCoursesDetail";
			this.lblCoursesDetail.Size = new System.Drawing.Size(252, 69);
			this.lblCoursesDetail.TabIndex = 24;
			// 
			// lblTelephoneDetail
			// 
			this.lblTelephoneDetail.Location = new System.Drawing.Point(161, 336);
			this.lblTelephoneDetail.Name = "lblTelephoneDetail";
			this.lblTelephoneDetail.Size = new System.Drawing.Size(252, 25);
			this.lblTelephoneDetail.TabIndex = 23;
			// 
			// lblPerAddressDetail
			// 
			this.lblPerAddressDetail.Location = new System.Drawing.Point(161, 250);
			this.lblPerAddressDetail.Name = "lblPerAddressDetail";
			this.lblPerAddressDetail.Size = new System.Drawing.Size(252, 77);
			this.lblPerAddressDetail.TabIndex = 21;
			// 
			// lblAddressDetail
			// 
			this.lblAddressDetail.Location = new System.Drawing.Point(161, 146);
			this.lblAddressDetail.Name = "lblAddressDetail";
			this.lblAddressDetail.Size = new System.Drawing.Size(252, 79);
			this.lblAddressDetail.TabIndex = 18;
			// 
			// lblSexDetail
			// 
			this.lblSexDetail.Location = new System.Drawing.Point(163, 112);
			this.lblSexDetail.Name = "lblSexDetail";
			this.lblSexDetail.Size = new System.Drawing.Size(67, 25);
			this.lblSexDetail.TabIndex = 16;
			// 
			// lblNameDetails
			// 
			this.lblNameDetails.Location = new System.Drawing.Point(163, 78);
			this.lblNameDetails.Name = "lblNameDetails";
			this.lblNameDetails.Size = new System.Drawing.Size(240, 24);
			this.lblNameDetails.TabIndex = 15;
			// 
			// lblSex
			// 
			this.lblSex.Location = new System.Drawing.Point(19, 112);
			this.lblSex.Name = "lblSex";
			this.lblSex.Size = new System.Drawing.Size(66, 25);
			this.lblSex.TabIndex = 25;
			this.lblSex.Text = "性别：";
			// 
			// lblPerAddress
			// 
			this.lblPerAddress.Location = new System.Drawing.Point(19, 250);
			this.lblPerAddress.Name = "lblPerAddress";
			this.lblPerAddress.Size = new System.Drawing.Size(77, 34);
			this.lblPerAddress.TabIndex = 20;
			this.lblPerAddress.Text = "户籍地址：";
			// 
			// lblCourseSelected
			// 
			this.lblCourseSelected.Location = new System.Drawing.Point(19, 379);
			this.lblCourseSelected.Name = "lblCourseSelected";
			this.lblCourseSelected.Size = new System.Drawing.Size(87, 40);
			this.lblCourseSelected.TabIndex = 26;
			this.lblCourseSelected.Text = "已选择的课程：";
			// 
			// lblStdEnNo
			// 
			this.lblStdEnNo.Location = new System.Drawing.Point(19, 32);
			this.lblStdEnNo.Name = "lblStdEnNo";
			this.lblStdEnNo.Size = new System.Drawing.Size(96, 26);
			this.lblStdEnNo.TabIndex = 30;
			this.lblStdEnNo.Text = "注册编号：";
			// 
			// lblStdEnNoDetail
			// 
			this.lblStdEnNoDetail.Location = new System.Drawing.Point(164, 34);
			this.lblStdEnNoDetail.Name = "lblStdEnNoDetail";
			this.lblStdEnNoDetail.Size = new System.Drawing.Size(192, 25);
			this.lblStdEnNoDetail.TabIndex = 29;
			// 
			// lblTelephone
			// 
			this.lblTelephone.Location = new System.Drawing.Point(19, 336);
			this.lblTelephone.Name = "lblTelephone";
			this.lblTelephone.Size = new System.Drawing.Size(77, 17);
			this.lblTelephone.TabIndex = 22;
			this.lblTelephone.Text = "电话：";
			// 
			// lblAddress
			// 
			this.lblAddress.Location = new System.Drawing.Point(19, 146);
			this.lblAddress.Name = "lblAddress";
			this.lblAddress.Size = new System.Drawing.Size(66, 25);
			this.lblAddress.TabIndex = 19;
			this.lblAddress.Text = "地址：";
			// 
			// lblName
			// 
			this.lblName.Location = new System.Drawing.Point(19, 78);
			this.lblName.Name = "lblName";
			this.lblName.Size = new System.Drawing.Size(66, 24);
			this.lblName.TabIndex = 17;
			this.lblName.Text = "姓名：";
			// 
			// btnFinish
			// 
			this.btnFinish.DialogResult = System.Windows.Forms.DialogResult.Cancel;
			this.btnFinish.Location = new System.Drawing.Point(371, 801);
			this.btnFinish.Name = "btnFinish";
			this.btnFinish.Size = new System.Drawing.Size(90, 25);
			this.btnFinish.TabIndex = 11;
			this.btnFinish.Text = "&Finish";
			// 
			// btnNext
			// 
			this.btnNext.Location = new System.Drawing.Point(240, 801);
			this.btnNext.Name = "btnNext";
			this.btnNext.Size = new System.Drawing.Size(115, 25);
			this.btnNext.TabIndex = 12;
			this.btnNext.Text = "&Next";
			this.btnNext.Click += new System.EventHandler(this.btnNext_Click);
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(245, 538);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(115, 25);
			this.button1.TabIndex = 33;
			this.button1.Text = "下一步(&N)";
			this.button1.Click += new System.EventHandler(this.btnNext_Click);
			// 
			// button2
			// 
			this.button2.DialogResult = System.Windows.Forms.DialogResult.Cancel;
			this.button2.Location = new System.Drawing.Point(370, 538);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(90, 25);
			this.button2.TabIndex = 32;
			this.button2.Text = "完成(&F)";
			// 
			// DisplayStudentDetailsForm
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(470, 573);
			this.Controls.Add(this.btnNext);
			this.Controls.Add(this.btnFinish);
			this.Controls.Add(this.groupBox1);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.button1);
			this.MaximizeBox = false;
			this.MinimizeBox = false;
			this.Name = "DisplayStudentDetailsForm";
			this.ShowInTaskbar = false;
			this.Text = "显示详细信息";
			this.Load += new System.EventHandler(this.DisplayStudentDetailsForm_Load);
			this.Closed += new System.EventHandler(this.DisplayStudentDetailsForm_Closed);
			this.groupBox1.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

		
		private void btnFinish_Click(object sender, System.EventArgs e)
		{
			this.Close();
		}
		private void DisplayStudentDetailsForm_Load(object sender, System.EventArgs e)
		{
			
			// retrieve first record from the file c:\\Student.txt
			// call DisplayRecords method to display data on the form
			fstream = File.OpenRead("C:\\Student.txt"); 

			long filesize = fstream.Length; 
			if(fstream.Length!=0)
			{
			
				//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();
				
				//split individual items of the records and store in into string array
				split = text.Split(delimiter);
							
				pages = split.Length/10; //10 belongs to no. of items per record
				this.lblRecords.Text+= pages.ToString();
				this.endIndex = this.DisplayRecords(split,0);
			}
		}
			
		//Displays the details on the form
		//takes splited array and starting index as input parameters
		//returns last displayed item index
		private int DisplayRecords(string [] spl, int startIndex)
			{
				int i=0;
				curpages++;

				if(curpages>pages)
				{
					MessageBox.Show("没有更多记录");
					this.Close();			
				}
				else
				{
					i= startIndex;
					this.lblStdEnNoDetail.Text = split[i++];
					this.lblNameDetails.Text = split[i++]+ " " + split[i++]+" "+split[i++];
					split[i] = split[i].Replace(";"," ");
					if(split[i] == "空")
						split[i] = split[i].Replace("空"," ");
					this.lblAddressDetail.Text   = split[i++];
					split[i] = split[i].Replace(";"," ");
					if(split[i] == "空")
						split[i] = split[i].Replace("空"," ");
					this.lblPerAddressDetail.Text = split[i++];
					this.lblSexDetail.Text = split[i++];
					if(split[i] == "空")
						split[i] = split[i].Replace("空"," ");
					this.lblTelephoneDetail.Text = split[i++];
					
					this.lblCourseTypeDetail.Text = split[i++];
					split[i] = split[i].Replace(";","\n");
					this.lblCoursesDetail.Text = split[i++];
					i++;
					if(curpages == pages)
					{
						this.btnNext.Enabled = false;

					}
							
				}
				return	i;


			}

		private void btnNext_Click(object sender, System.EventArgs e)
		{
			this.startIndex = this.endIndex;
			this.endIndex = this.DisplayRecords(split,startIndex);
		}

		private void DisplayStudentDetailsForm_Closed(object sender, System.EventArgs e)
		{
			this.fstream.Close();
		}

	}
}