1.读取文本
view plain copy using System; using System.Collections.Generic; using System.Text; using System.Linq; using System.Collections; using System.Diagnostics; using System.IO; namespace 练习专用 { class Program { static void Main(string[] args) { using (FileStream fs = new FileStream(@"E:清理系统盘.txt", FileMode.Open)) { using (StreamReader sr = new StreamReader(fs)) { //一行一行读取 StringBuilder sb = new StringBuilder(); while (!sr.EndOfStream) { sb.AppendLine(sr.ReadLine()); } Console.WriteLine(sb.ToString()); //直接读到末尾 //string str = sr.ReadToEnd(); //Console.WriteLine(str); } } } } }
2.写入文本
using System; using System.Collections.Generic; using System.Text; using System.Linq; using System.Collections; using System.Diagnostics; using System.IO; namespace 练习专用 { class Program { static void Main(string[] args) { using (FileStream fs = new FileStream(@"E: est.txt", FileMode.OpenOrCreate)) { using (StreamWriter sw=new StreamWriter(fs)) { string str = "不积跬步,无以至千里;不积小流,无以成江海。"; sw.Write(str); } } } } }
原文:https://blog.csdn.net/sinat_32832727/article/details/53768116