请帮忙解释下文件读取的代码?
using System;--------------------编程问答-------------------- 因为循环条件是strLine为空时跳出循环,strLine保存的是从文本中读取出来的一行数据 --------------------编程问答-------------------- 逐行读取到变量strLine, 直到为strLine为空(即strLine为空时, 文件全部行已经读完) --------------------编程问答--------------------
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Collections;
using System.IO;//文件读写用
namespace WFMStudentManager
{
public partial class frmScoreSearch : Form
{
public ClsStudent[] arrayStu = new ClsStudent[20];
public clsScore[] arrayScore = new clsScore[30];
public clsCourse[] arrayCur = new clsCourse[20];
public int intCurrentAddScoreTotal = 0;
public frmScoreSearch()
{
InitializeComponent();
}
private void frmScoreSearch_Load(object sender, EventArgs e)
{
string strFilePath = Directory.GetCurrentDirectory();
string strFileName = strFilePath + "\\score.txt";
FileStream txtFile = new FileStream(strFileName, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None);
StreamReader txtfileSr = new StreamReader(txtFile);
string strLine = txtfileSr.ReadLine(); //定义了strLine,有什么用?
for (int i = 0; strLine != null; i++)
{
arrayScore[i]= new clsScore ();
arrayScore[i].CourseName = strLine;//同样是读取一个txt文件中的内容,这里为什么用:strLine?下面的却改成:txtfileSr.ReadLine();?
arrayScore[i].CourseNum = txtfileSr.ReadLine();
arrayScore[i].StuNum = txtfileSr.ReadLine();
arrayScore[i].StuName = txtfileSr.ReadLine();
arrayScore[i].Score = float.Parse(txtfileSr.ReadLine());
strLine = txtfileSr.ReadLine();//这一句是什么意思?把什么赋给strLine?
}
txtfileSr.Close();
txtFile.Close();
strFileName = strFilePath + "\\course.txt";
txtFile = new FileStream(strFileName, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None);
txtfileSr = new StreamReader(txtFile);
strLine = txtfileSr.ReadLine();
多谢提醒!
arrayScore[i].CourseName = strLine;//同样是读取一个txt文件中的内容,这里为什么用:strLine?下面的却改成:txtfileSr.ReadLine();?--------------------编程问答-------------------- strLine = txtfileSr.ReadLine();//这一句是什么意思?把什么赋给strLine?
补充:.NET技术 , C#