总结:
1、关于C#的知识
(1)、文件输入输出—数据流
1、FileStream类
例子:
SqlDataReader reader = job.WriteFileToTxt();
FileStream jobStream = new FileStream(@fileName,FileMode.Open,FileAccess.ReadWrite);//覆盖
//FileStream jobStream = new FileStream(@fileName, FileMode.Append, FileAccess.Write);//追加
StreamWri
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