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见过不少人、经过不少事、也吃过不少苦，感悟世事无常、人心多变，靠着回忆将往事串珠成链，聊聊感情、谈谈发展，我慢慢写、你一点一点看......

1、string.Reverse 方法

string content ="Hello World";string reverseString = new string(content.Reverse().ToArray());

2、Array.Reverse 方法

string content ="Hello World";Char[] charArray = content.ToCharArray();Array.Reverse(charArray);string reverseString = new string(charArray);

3、for 循环法

string content ="Hello World";Char[] charArray = content.ToCharArray();StringBuilder reverseString = new StringBuilder();for (int i = (charArray.Length - 1); i >= 0; i--){     reverseString.Append(charArray[i]);}Console.WriteLine(reverseString.ToString());

4、foreach 循环法

string content ="Hello World";Char[] charArray = content.ToCharArray();string reverseString = string.Empty;foreach (char c in charArray){     reverseString = c + reverseString;}Console.WriteLine(reverseString);

 

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