javaweb预览word与pdf文件控件为免费控件

package com.servlet; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStream; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import com.sun.org.apache.xalan.internal.xsltc.trax.OutputSettings; import com.word.WordForFtp; public class mypdf extends HttpServlet { /** * Constructor of the object. */ public mypdf() { super(); } /** * Destruction of the servlet. <br> */ public void destroy() { super.destroy(); // Just puts "destroy" string in log // Put your code here } /** * The doGet method of the servlet. <br> * * This method is called when a form has its tag value method equals to get. * * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */ public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { this.doPost(request, response); } /** * The doPost method of the servlet. <br> * * This method is called when a form has its tag value method equals to post. * * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */ public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { //拿到服务器存储路径 String path =request.getSession().getServletContext().getRealPath("/"); String filepath = path+"pdf\\"; //拿到前台传入文件路径 String wordfilepath = request.getParameter("wordpath"); String pat = wordfilepath.substring(wordfilepath.lastIndexOf(".")+1); if(pat.equals("pdf")){ //PDF文件是复制 String lj = wordfilepath.replace("http://localhost:8080/pageoffice/", path); File file = new File(lj); FileInputStream in = new FileInputStream(file); String target1 = filepath+"span5.pdf"; FileOutputStream out = new FileOutputStream(target1); byte[] b = new byte[1024]; while(in.read(b) > 0){ out.write(b); } in.close(); out.flush(); out.close(); }else{ //word文件时转换进行复制 System.out.println(wordfilepath); response.setContentType("text/html"); String source1 = wordfilepath; String target1 = filepath+"test3.pdf"; WordForFtp pdf = new WordForFtp(); pdf.word2pdf(source1, target1); } } /** * Initialization of the servlet. <br> * * @throws ServletException if an error occurs */ public void init() throws ServletException { // Put your code here } }