在实际开发中,如果用的文件名不能确定位置.或名字.可以使用GUID类来命名函数.Guid 结构标识全局唯一标示符.其NewGuid结构可以初始化一个新历.该方法语法格式如下: public static Guid NewGuid(); return: 初始化后的实例. 源码: using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Dr…
using System; using System.IO; class Test { public static void Main() { string path = @"c:\temp\MyTest.txt"; if (!File.Exists(path)) { // Create a file to write to. using (StreamWriter sw = File.CreateText(path)) { sw.WriteLine("Hello"…
问题描述: 添加控制器的时候,突然就报了这个错: Unhandled Exception: System.IO.FileLoadException: Could not load file or assembly 'C:\Users\.nuget\packages\microsoft.visualstudio.web.codegeneration.design\3.1.0-preview1-19509-03\lib\netstandard2.0\dotnet-aspnet-codegenerat…
首先,看文档: Streaming Assets Most assets in Unity are combined into the project when it is built. However, it is sometimes useful to place files into the normal filesystem on the target machine to make them accessible via a pathname. An example of this…
实现一个 TextReader,使其以一种特定的编码从字节流中读取字符. using System; using System.IO; class Test { public static void Main() { try { // Create an instance of StreamReader to read from a file. // The using statement also closes the StreamReader. using (StreamReader sr…
为文件提供 Stream,既支持同步读写操作,也支持异步读写操作. using System; using System.IO; using System.Text; class Test { public static void Main() { string path = @"c:\temp\MyTest.txt"; // Delete the file if it exists. if (File.Exists(path)) { File.Delete(path); } //Cr…
If we want to move file to the directory that does not exist,and if we perform a File.Move,it will result return an error shows that 'The path is not exist'. So,we have to create a new directory using System.IO.Directory.CreateDirectory. Here is an e…
error msg: System.Threading.Tasks.TaskCanceledException: The operation was canceled. ---> System.IO.IOException: Unable to read data from the transport connection: Operation canceled. ---> System.Net.Sockets.SocketException: Operation canceled --- E…
本文转自:https://docs.microsoft.com/en-us/dotnet/api/system.io.ports.serialport?redirectedfrom=MSDN&view=netframework-4.7.2 SerialPort Class Definition Namespace: System.IO.Ports Assemblies: System.dll, System.IO.Ports.dll Represents a serial port resour…