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📄 show.java

📁 This book code procedure according to the chapter arrangement, the 1st chapter of example under "1"
💻 JAVA
字号:
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class Show extends HttpServlet{
  public void doGet(HttpServletRequest request, HttpServletResponse response)
      throws IOException,ServletException
  {
      String title="GuestBook";
      //首先设置响应的content type 头部
      response.setContentType("text/html");
      PrintWriter out = response.getWriter();
      //输出页面
      out.println("<html>");
      out.println("<head>");
      out.println("<title>"+title+"</title>");
      out.println("</head>");
      out.println("<body>");
      String str="";
      try{
        String resultsDir="c:";
        //打开文本,并读取其中的内容
        FileInputStream fis=new FileInputStream(resultsDir+
            System.getProperty("file.separator")+"GuestBook.txt");
        int c;
        while((c=fis.read())!=-1){
          str=str+(char)c;
        }
        fis.close();
      }catch(FileNotFoundException fe){
        out.println(fe);
      }
      //输出留言内容
      out.println(str);
      out.println("</body>");
      out.println("</html>");      
  }
}

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