C#读写文本文件，字符串截取

最新推荐文章于 2022-08-18 19:35:31 发布

转载最新推荐文章于 2022-08-18 19:35:31 发布 · 302 阅读

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原文链接：http://www.cnblogs.com/smallerpig/archive/2012/01/10/2318498.html

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#c#

 static void Main(string[] args)
        {
string txt = "";
            StreamReader sr = new StreamReader(@"E:\test.txt",Encoding.GetEncoding("gb2312"));//读文件流，后面的文件标码不可少，不然有汉字就是乱码。
            StreamWriter sw = new StreamWriter(@"E:\123.txt", true, Encoding.GetEncoding("gb2312"));//写文件流，

string[] s1 = new string[600];
int i = 0;
while (!sr.EndOfStream)
            {
string str = sr.ReadLine();
                s1[i] = str.Replace(" ","");//去除空格
//s1[i]= SubString(str,1,2);//从1位置截取2个字符
                sw.Write(s1[i]+"\r\n");
                i++;
                txt += str + "\n";
            }
            sr.Close();

            Console.Write(txt);
for (int j = 0; j < 234; j++)
            {
                sw.Write(s1[i]);
                Console.WriteLine(s1[i]);
            }
            sw.Close();
            Console.ReadLine();