■导读:利用SYSTEM.IO名空间中的S...... 导 读:利用SYSTEM.IO 名空间中的STREAMWRITER,STREAMREADER及FILE类,完成文件读、写、删除的操作。 ----------------------------------------------------------------------- 1、写文件 writefile.aspx <%@ Import Namespace="System.IO" %> '引入所需的NameSpace <% Response.write("Writing the content into Text File in ASP.NET ") Dim strwriterobj As StreamWriter '声明一个StreamWriter对象 strwriterobj= File.CreateText("c:\aspnet.txt") '新建一个文本文件,赋值给StreamWriter对象 strwriterobj.WriteLine( "Welcome to wonderfull world of ASP.NET Programming" ) '向文件中写内容 strwriterobj.Close '关闭对象 Response.write("Done with the creation of text file and writing content into it") %> 2、读文件 readfile.aspx <%@ Import Namespace="System.IO" %> <% Response.write("Reading the content from the text file ASPNET.TXT ") Dim streamreaderobj As StreamReader '声明一个StreamReader对象 Dim filecont As String '声明一个变量保存读出的内容 streamreaderobj = File.OpenText( "c:\aspnet.txt" ) '打开文件赋值到StreamReader对象 Do '按行循环读取文件内容 filecont = streamreaderobj.ReadLine() Response.Write( filecont & " " ) Loop Until filecont = "" streamreaderobj.Close '关闭StreamReader对象 Response.write(" Done with reading the content from the file aspnet.txt") %> 3、删除文件 Filedelete.aspx <%@ Import Namespace="System.IO" %> <% File.Delete("c:\aspnet.txt" ) '删除文件 Response.write("The File aspnet is deleted successfully !!!" ) %> |
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