stringwriter实现的一个功能_c#应用

如何用一组双倍间距的句子创建一个连续的段落，然后将该段落重新转换为原来的文本：

using System;
using System.IO;

class StringRW
{
static void Main()
{
string textReaderText = "TextReader is the abstract base "
"class of StreamReader and StringReader, which read "
"characters from streams and strings, respectively.\n\n"

"Create an instance of TextReader to open a text file "
"for reading a specified range of characters, or to "
"create a reader based on an existing stream.\n\n"

"You can also use an instance of TextReader to read "
"text from a custom backing store using the same "
"APIs you would use for a string or a stream.\n\n";

Console.WriteLine("Original text:\n\n{0}", textReaderText);
string aLine, aParagraph = null;
StringReader strReader = new StringReader(textReaderText);
while(true)
{
aLine = strReader.ReadLine();
if(aLine != null)
{
aParagraph = aParagraph aLine " ";
}
else
{
aParagraph = aParagraph "\n";
break;
}
}
Console.WriteLine("Modified text:\n\n{0}", aParagraph);
int intCharacter;
char convertedCharacter;
StringWriter strWriter = new StringWriter();
strReader = new StringReader(aParagraph);
while(true)
{
intCharacter = strReader.Read();
if(intCharacter == -1) break;
convertedCharacter = Convert.ToChar(intCharacter);
if(convertedCharacter == .)
{
strWriter.Write(".\n\n");
strReader.Read();
strReader.Read();
}
else
{
strWriter.Write(convertedCharacter);
}
}
Console.WriteLine("\nOriginal text:\n\n{0}",
strWriter.ToString());
}
}

http://jigee.cnblogs.com/archive/2006/05/20/405151.html

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