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c# 的判断文件夹是否存在/判断文件是否存在
穷_蹦跶
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sPath = Path.Combine(Environment.CurrentDirectory, duantoufolder);
//设置路径(将文件夹名合并到路径中)

//如果文件夹不存在
if (!Directory.Exists(sPath))
{
//创建文件夹 Directory.CreateDirectory(sPath);
}
//将文件的路径放进字符串变量
string textPath = Path.Combine(sPath, “test.txt”);
//如果文件不存再
if (!File.Exists(textPath))
{
//创建该文件
File.Create(textPath);
}

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