C#读写text文件

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于 2021-12-25 23:14:37 发布

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分类专栏： VS2019 文章标签： visual studio c#

本文链接：https://blog.youkuaiyun.com/lanshahewu/article/details/122150227

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"该代码示例展示了如何使用C#进行文本文件的读取和写入操作。通过StreamReader读取"T2.txt"文件内容，并利用StreamWriter将处理后的数据写入到"t2a.csv"文件。主要涉及字符串处理、文件路径获取及流处理等概念。"

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C#读写text文件

参考如下代码

参考如下代码

 void ReadData3()
        {

            string fileName = Directory.GetCurrentDirectory()+ "\\data analysis\\" + "T2.txt";
            using (StreamReader sr = new StreamReader(fileName))
            {
                using (TextWriter tw = new StreamWriter("t2a.csv"))
                {
                    string line, cstring, lasts = "", ang = "";
                    StringBuilder sbn = new StringBuilder();
                    int c = 0;
                    List<string[]> lineData = new List<string[]>();
                    while ((line = sr.ReadLine()) != null)
                    {
                        string[] parts = line.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
                        if (parts.Length == 3)
                            ang = parts[0];
                        else if (parts.Length == 5)
                        {
                            cstring = Convert.ToDouble(parts[0]).ToString() + "," + Convert.ToDouble(parts[2]).ToString("F0");
                            if (lasts != "" && c % 2 == 1)
                            {
                                if (parts[0] == "-1")
                                    sbn.Append(ang + "," + cstring + "," + lasts);
                                else
                                    sbn.Append(ang + "," + lasts + "," + cstring);
                                sbn.AppendLine();
                            }
                            lasts = cstring;
                            c++; 
                        }
                      
                    }  
                    tw.WriteLine(sbn);

                }
            }