C#学习笔记—分析字符串中包含元素的类型

//方法类
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Cp4
{
class TextAnalyzer
{
//初始化元音、字母、数字、空格的计数器
int numVowel = 0;   //元音计数
int numLetters = 0; //字母计算
int numDigits = 0;  //数字计算
int numWhitesoaceChars = 0;
int numWord = 0; //单词计数

char ch;

public void Count(string myText)
{
int index = 0;
while (index < myText.Length)
{
ch = myText[index];
if ((ch == 'A') || (ch == 'E') || (ch == 'I') || (ch == 'O') || (ch == 'U'))    //判断是否为元音
{
numVowel++;
}
if (char.IsLetter(ch))  //判断是否为字母
{
numLetters++;
}
if (char.IsDigit(ch))   //判断是否为数字
{
numDigits++;
}
if (char.IsWhiteSpace(ch))  //判断是否为空白
{
numWhitesoaceChars++;
}
index++;
}

numWord = numWhitesoaceChars+1;
Console.WriteLine("文本分析结果：");
Console.WriteLine("元音个数：{0:N0}",numVowel);
Console.WriteLine("辅音个数：{0:N0}",numLetters-numVowel);
Console.WriteLine("字母个数：{0:N0}",numLetters);
Console.WriteLine("数字个数：{0:N0}",numDigits);
Console.WriteLine("单词个数：{0:N0}",numWord);
}
}
}

//测试类
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Cp4
{
class Test
{
static void Main(string[] args)
{
TextAnalyzer te = new TextAnalyzer();

Console.Write("请输入要分析的字符串：");
//接受输入并转换成大写字母
string mytext = Console.ReadLine().ToUpper();

te.Count(mytext);
}
}
}