C# StringBuider,字符串拼接工具类

StringBuilder 它就是拼接字符串的一个工具，拼成完成后，还是需要将它转回字符串。

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;

namespace _02StringBuilder
{
class Program
{
static void Main(string[] args)
{
//string str = string.Empty;
//StringBuilder sb = new StringBuilder();
////00:00:00.1022297
//Stopwatch sp = new Stopwatch();
//sp.Start();
//for (int i = 0; i < 100000; i++)
//{
// //str += i;
// sb.Append(i);
//}
//sp.Stop();

//Console.WriteLine(sp.Elapsed);
//Console.WriteLine(sb.ToString());
StringBuilder sb = new StringBuilder();
sb.Append("张三");
sb.Append("李四");
sb.Append("王狗蛋儿");
sb.Insert(1, "新来哒");
sb.Replace("王狗蛋儿", "***");
Console.WriteLine(sb.ToString());

Console.ReadKey();
}
}
}