Java implements Web page content fetching

1  Packagedemo;2 3 ImportJava.io.BufferedReader;4 Importjava.io.IOException;5 ImportJava.io.InputStream;6 ImportJava.io.InputStreamReader;7 8 /**9 * Web page content crawlingTen  * @authorSy One  * A  */ -  Public classgrabwebhtml{ -      the      Public Static voidMain (string[] args) { -String url= "Http://www.baidu.com"; - System.out.println (getwebhtml (URL)); -     } +      -      Public Staticstring getwebhtml (string domain) { +StringBuffer SB =NewStringBuffer (); AInputStream is =NULL; atInputStreamReader ISR =NULL; -BufferedReader in =NULL; -         Try { -Java.net.URL URL =NewJava.net.URL (domain); -is =Url.openstream (); -ISR =NewInputStreamReader (IS, "Utf-8"); inin =NewBufferedReader (ISR); - String Line; to              while(line = In.readline ())! =NULL) { +Sb.append (line) append ("\ n"); -             } the in.close (); *              $}Catch(IOException e) {Panax Notoginseng e.printstacktrace (); -}finally { the             Try { +                 if(in!=NULL){ A in.close (); thein=NULL; +                 } -                 if(isr!=NULL){ $ isr.close (); $Isr=NULL; -                 } -                 if(is!=NULL){ the is.close (); -is=NULL;Wuyi                 } the}Catch(IOException e) { - e.printstacktrace (); Wu             } -         } About         returnsb.tostring (); $     } -  -}

Java implements Web page content fetching