String line=null;  

            while((line=buffer.readLine())!=null)  

            {  

                stringBuilder.append(line);  

            }  

            String fileContent=stringBuilder.toString();  

            inputStream.close();  

            String htmlFileName=generateFileName(url);  

            File htmlFile=new File("DHtml/",htmlFileName);  

            if(!htmlFile.exists())  

            {  

                htmlFile.createNewFile();  

            //把fileContent写入到html文件中  

                FileWriter fileWriter=new FileWriter(htmlFile,true);  

                BufferedWriter bufferedWriter=new BufferedWriter(fileWriter);  

                bufferedWriter.write(fileContent);  

                bufferedWriter.close();  

                fileWriter.close();  

            }  

        } catch (MalformedURLException e) {