/// <summary>
/// 反转一句话中的单词
/// </summary>
/// <param name="s">字符串</param>
/// <returns>反转后的字符串</returns>
public string ReversalWord(string s)
{
string[] sarray = s.Split(new char[] {' ',','});
//{
// tempstr = sarray[i];
// sarray[i] = sarray[sarray.Length - 1 - i];
// sarray[sarray.Length - 1 - i] = tempstr;
//}
Array.Reverse(sarray);
return String.Join(" ", sarray);
/// 反转整个字符串
/// </summary>
/// <param name="s"></param>
/// <returns></returns>
public string ReversalChar(string s)
{
//方法1
//string[] newarray = new string[s.Length];
//for (int i = 0; i < (s.Length); i++)
//{
// newarray[i] = s.Substring(i, 1);
//Array.Reverse(newarray);
//return String.Join("", newarray);
char[] c = s.ToCharArray();
//for (int i = 0; i < c.Length/2-1; i++)
//{
// char temc = c[i];
// c[i] = c[c.Length - 1 - i];
// c[c.Length - 1 - i]=temc;
//}
Array.Reverse(c);
string s2 = new string(c);
return s2;
{
this.Label5.Text = ReversalWord(this.TextBox3.Text);
}
protected void Button5_Click(object sender, EventArgs e)
{
this.Label6.Text = ReversalChar(this.TextBox4.Text);
}
protected void Button6_Click(object sender, EventArgs e)
{
string maxchar;
this.Label7.Text = FindMaxChar(this.TextBox4.Text,out maxchar).ToString();
this.Label8.Text = test();
}
/// 找出一个字符串中重复字符的个数
/// </summary>
/// <param name="s"></param>
/// <returns></returns>
public int FindMaxChar(string s,out string maxchar)
{
char[] c = s.ToCharArray();
int maxcount = 0;
int maxindex = 0;
for (int i = 0; i < c.Length; i++)
{
int count = 1;
for (int j = 0; j < c.Length;j++)
{
if ((i!=j)&&(c[j]==c[i]))
{
count++;
}
}
if (count>maxcount)
{
maxcount = count;
maxindex = i;
}
}
maxchar = c[maxindex].ToString();
}
/// 过滤数组中重复的数据,会区分大小写
/// </summary>
/// <param name="_StringArray"></param>
/// <returns></returns>
public static string[] FilterRepeat(string[] _StringArray)
{
ArrayList _ArrayList = new ArrayList();
foreach (string _String in _StringArray)
{
if (!_ArrayList.Contains(_String))
{
_ArrayList.Add(_String);
}
}
return (string[])_ArrayList.ToArray(typeof(string));
}
/// <summary>
/// 过滤字符串中重复字符
/// </summary>
/// <returns></returns>
private string test()
{
string str1 = "1,2,2,3,1,4,5,3,2";
string str3 = "";
foreach (char ch in str1)
{
if (ch == ',' || str3.IndexOf(ch) == -1)
str3 += ch;
}
return str3;
}
/// 反转一句话中的单词
/// </summary>
/// <param name="s">字符串</param>
/// <returns>反转后的字符串</returns>
public string ReversalWord(string s)
{
string[] sarray = s.Split(new char[] {' ',','});
//for (int i = 0; i <= (sarray.Length / 2 - 1); i++)
//{
// tempstr = sarray[i];
// sarray[i] = sarray[sarray.Length - 1 - i];
// sarray[sarray.Length - 1 - i] = tempstr;
//}
Array.Reverse(sarray);
return String.Join(" ", sarray);
}
/// <summary>
/// 反转整个字符串
/// </summary>
/// <param name="s"></param>
/// <returns></returns>
public string ReversalChar(string s)
{
//方法1
//string[] newarray = new string[s.Length];
//for (int i = 0; i < (s.Length); i++)
//{
// newarray[i] = s.Substring(i, 1);
//}
//Array.Reverse(newarray);
//return String.Join("", newarray);
//方法2
char[] c = s.ToCharArray();
//for (int i = 0; i < c.Length/2-1; i++)
//{
// char temc = c[i];
// c[i] = c[c.Length - 1 - i];
// c[c.Length - 1 - i]=temc;
//}
Array.Reverse(c);
string s2 = new string(c);
return s2;
}
{
this.Label5.Text = ReversalWord(this.TextBox3.Text);
}
protected void Button5_Click(object sender, EventArgs e)
{
this.Label6.Text = ReversalChar(this.TextBox4.Text);
}
protected void Button6_Click(object sender, EventArgs e)
{
string maxchar;
this.Label7.Text = FindMaxChar(this.TextBox4.Text,out maxchar).ToString();
this.Label8.Text = test();
}
/// <summary>
/// 找出一个字符串中重复字符的个数
/// </summary>
/// <param name="s"></param>
/// <returns></returns>
public int FindMaxChar(string s,out string maxchar)
{
char[] c = s.ToCharArray();
int maxcount = 0;
int maxindex = 0;
for (int i = 0; i < c.Length; i++)
{
int count = 1;
for (int j = 0; j < c.Length;j++)
{
if ((i!=j)&&(c[j]==c[i]))
{
count++;
}
}
if (count>maxcount)
{
maxcount = count;
maxindex = i;
}
}
maxchar = c[maxindex].ToString();
return maxcount;
}
/// <summary>
/// 过滤数组中重复的数据,会区分大小写
/// </summary>
/// <param name="_StringArray"></param>
/// <returns></returns>
public static string[] FilterRepeat(string[] _StringArray)
{
ArrayList _ArrayList = new ArrayList();
foreach (string _String in _StringArray)
{
if (!_ArrayList.Contains(_String))
{
_ArrayList.Add(_String);
}
}
return (string[])_ArrayList.ToArray(typeof(string));
}
/// <summary>
/// 过滤字符串中重复字符
/// </summary>
/// <returns></returns>
private string test()
{
string str1 = "1,2,2,3,1,4,5,3,2";
string str3 = "";
foreach (char ch in str1)
{
if (ch == ',' || str3.IndexOf(ch) == -1)
str3 += ch;
}
return str3;
}