Example: servlet reads file contents and prints output on page

1  PackageCOM.MHB;2 3 ImportJava.io.BufferedReader;4 ImportJava.io.File;5 ImportJava.io.FileReader;6 Importjava.io.IOException;7 ImportJava.io.PrintWriter;8 9 Importjavax.servlet.ServletException;Ten ImportJavax.servlet.http.HttpServlet; One Importjavax.servlet.http.HttpServletRequest; A ImportJavax.servlet.http.HttpServletResponse; -  -  Public classFileReadextendsHttpServlet { the  -  Public voidInit ()throwsservletexception { - } -  +  Public voiddoget (httpservletrequest request, httpservletresponse response) - throwsservletexception, IOException { +Response.setcontenttype ("text/html");//Format Response Content AResponse.setcharacterencoding ("gb2312");//Setting the response content encoding atPrintWriter out = Response.getwriter ();//Get Out Object -String fileName = "Content.txt";//Specify file name -String Realpath =Request.getrealpath (fileName); -  -File File =NewFile (realpath); -  in if(File.exists ()) { -FileReader reader =NewFileReader (file);//Get input stream toBufferedReader Bufferreader =NewBufferedReader (reader);//using buffered streams +String line =NULL;//each row of data -  while(line = Bufferreader.readline ())! =NULL){//Loop Read theOut.print (line + "<br/>");//Output File Contents * } $}Else{Panax NotoginsengOut.print ("file does not exist!) "); - } the  + } A  the  Public voidDoPost (httpservletrequest request, httpservletresponse response) + throwsservletexception, IOException { - } $  $  Public voiddestroy () { - Super. Destroy (); - } the}

Text files: content.txt content

Java Programming C+ + programming C # programming

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Example: servlet reads file contents and prints output on page