📄 example4_9.jsp

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💻 JSP

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<%@page contentType="text/html charset=gb2312" %>
<%@page import="java.io.*" %>
<html>
  <body>
    <font color="red" size="3">
      <%
        File f=new File("C:/Program Files/Apache Software Foundation/Tomcat 6.0/webapps/ROOT","Ex.jsp");
        try{
          FileReader in=new FileReader(f);
          PushbackReader push=new PushbackReader(in);
          int c;
          char b[]=new char[1];
          while((c=push.read(b,0,1))!=-1){
            String s=new String(b);
            if(s.equals("<")){
              push.unread('&');
              push.read(b,0,1);
              out.print(new String(b));
              push.unread('L');
              push.read(b,0,1);
              out.print(new String(b));
              push.unread('T');
              push.read(b,0,1);
              out.print(new String(b));
            }
            else if(s.equals(">")){
              push.unread('&');
              push.read(b,0,1);
              out.print(new String(b));
              push.unread('G');
              push.read(b,0,1);
              out.print(new String(b));
              push.unread('T');
              push.read(b,0,1);
              out.print(new String(b));
            }
            else if(s.equals("\n"))
              out.print("<br>");
            else
              out.print(new String(b));
          }
          push.close();
        }catch(IOException e){
        }
       %>
    </font>
  </body>
</html>

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