关注性能：字符串操作
View Code
1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5 using System.Threading;
6 using System.Diagnostics;
7
8 namespace CSharpStudy
9 {
10 class Program
11 {
12 static void Main(string[] args)
13 {
14 Helper.Watch(() =>
15 {
16 var str = new StringBuilder();
17 for (var i = 0; i < 100000; i++)
18 {
19 str.Append(i);
20 }
21 });
22 Helper.Watch(() =>
23 {
24 var str = "";
25 for (var i = 0; i < 100000; i++)
26 {
27 str += i;
28 }
29 });
30 Helper.Watch(() =>
31 {
32 var str = "";
33 for (var i = 0; i < 100000; i++)
34 {
35 str += i.ToString();
36 }
37 });
38 }
39 }
40
摘自 学海无涯
补充：Web开发 , ASP.Net ,
