摘要：1 取字符串的前i个字符 str=str.Substring(0,i); // or str=str.Remove(i,str.Length-i); 2 去掉字符串的前i个字符： str=str.Remove(0,i); // or str=str.Substring(i); 3 从右边开始取i个字 阅读全文

摘要：using Huanent.Printer.Models; using System; using System.Collections.Generic; using System.Drawing; using System.Drawing.Printing; using System.Text; 阅读全文

摘要：using System; using System.Collections.Generic; using System.Text; using System.Runtime.Serialization.Formatters.Binary; using System.IO; using System.Security.Cryptography; namespace Encryption { ... 阅读全文

摘要：using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace ConsoleApplication1{ class Program { //求两个数的奇数范围的和 static void Main(string[] args) { int num1 = int.Parse(Console.ReadLine()); ... 阅读全文