用c#实现对文件的读写操作

"ne7W_ S?01.新建一个txt文件,写人数据，读出文件中内容；

static void Main(string[] args)51Testing软件测试网9O1c"BA{)~+j5X
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{

     WriteToFile();

     ReadFromFile(@"c:MyTestFile.txt");

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static void WriteToFile()51Testing软件测试网b(x+cwnRk

{

#i$E^4b&G)[.z|0     StreamWriter SW;

~v/zFv!lO{4f9J0     SW = File.CreatText(@"c:MyTestFile.txt")51Testing软件测试网&T.x3d]1_@J5@)@

r5O7v,} hJQ0     SW.WriteLine("My happy Life");

     SW.WriteLine("This is the second line");51Testing软件测试网`5E6Q'|cxY

     SW.Close();51Testing软件测试网xO_]*`6M$Mb

     Console.WriteLine("Have created file succesfully");51Testing软件测试网+iv-e2oJZb

;R t$XM[ BH R0     Console.ReadLine();

}

f.\,pz,Xg2dF0static void ReadFromFile(string filename)

aN0gTc0{

v J.\K,~{ su0     StreamReader SR;

+a\}F!nh2SV0     string S;

     SR = File.OpenText(filename);

     S = SR.ReadLine;

     while (S!= null)

2s0t)G.ju\`L0    {

         Console.WriteLine(S);

         Console.ReadLine();51Testing软件测试网`
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         S = SR.ReadLine();

     }51Testing软件测试网n5}5o
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      SR.Close();51Testing软件测试网H+s
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}51Testing软件测试网^8b%z2Cr^

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