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📄 showpdf_jsp.java

📁 用JAVA和JSP是实现PDF文件的分页和在web上的查询你输入的一页或者任意几页PDF的功能。
💻 JAVA
字号:
🔍 
package org.apache.jsp;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import ch24.JavaBean.*;
import java.util.*;

public final class ShowPdf_jsp extends org.apache.jasper.runtime.HttpJspBase
    implements org.apache.jasper.runtime.JspSourceDependent {

  private static java.util.Vector _jspx_dependants;

  public java.util.List getDependants() {
    return _jspx_dependants;
  }

  public void _jspService(HttpServletRequest request, HttpServletResponse response)
        throws java.io.IOException, ServletException {

    JspFactory _jspxFactory = null;
    PageContext pageContext = null;
    HttpSession session = null;
    ServletContext application = null;
    ServletConfig config = null;
    JspWriter out = null;
    Object page = this;
    JspWriter _jspx_out = null;
    PageContext _jspx_page_context = null;


    try {
      _jspxFactory = JspFactory.getDefaultFactory();
      response.setContentType("text/html;charset=UTF-8");
      pageContext = _jspxFactory.getPageContext(this, request, response,
      			null, true, 8192, true);
      _jspx_page_context = pageContext;
      application = pageContext.getServletContext();
      config = pageContext.getServletConfig();
      session = pageContext.getSession();
      out = pageContext.getOut();
      _jspx_out = out;

      out.write(" \r\n");
      out.write("\r\n");
      out.write("\r\n");
      out.write("<html> \r\n");
      out.write("<head> \r\n");
      out.write("\r\n");
      out.write("<title>查询结果</title> \r\n");
      out.write("\r\n");
      out.write("</head> \r\n");
      out.write("<body>\r\n");
      out.write("\r\n");
 
          String pdfpage  = request.getParameter("pdfpage").trim();
          int pagenum[]=new int[100]; 
          int i=0;
          StringTokenizer pages= new StringTokenizer(pdfpage,",");
          int count= pages.countTokens();
          while(pages.hasMoreTokens()){
          
         pagenum[i]=Integer.parseInt(pages.nextToken());
         out.println("pagenum["+i+"]="+pagenum[i]);
         i++;
          
         }
       // out.println(pagenum);
       // int  pagenum[]={20,3,4000};
         PDFSplit split = new PDFSplit(pagenum);
        // out.println(split.name[0]);
        
      
       
      out.write("\r\n");
      out.write("\r\n");
      out.write("<table>\r\n");
      out.write("     \r\n");
      out.write("     \r\n");
 
 
String   tomcatFullPath   =   getServletContext().getRealPath("/");
//out.println(tomcatFullPath);
out.println(split.length);
for(int j=0;j<split.length&&split.name[j]!=null;j++){
String   xmlFilePath = tomcatFullPath+"image\\"+split.name[j];
//out.println(xmlFilePath);
 
      out.write("\r\n");
      out.write("     <tr>\r\n");
      out.write("     <td>\r\n");
      out.write("     <a href=");
      out.print(xmlFilePath);
      out.write('>');
      out.print(split.name[j]);
      out.write("</a>\r\n");
      out.write("     </td>\r\n");
      out.write("     <tr>\r\n");
      out.write("\r\n");
 } 
      out.write("\r\n");
      out.write("\r\n");
      out.write("     </table>\r\n");
      out.write("</body> \r\n");
      out.write("</html> \r\n");
      out.write("\r\n");
      out.write("\r\n");
    } catch (Throwable t) {
      if (!(t instanceof SkipPageException)){
        out = _jspx_out;
        if (out != null && out.getBufferSize() != 0)
          out.clearBuffer();
        if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
      }
    } finally {
      if (_jspxFactory != null) _jspxFactory.releasePageContext(_jspx_page_context);
    }
  }
}

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