public class DownImgUtil {
public static String htmlSource(String link,String encoding) {
StringBuffer sb=new StringBuffer();
InputStreamReader in=null;
try {
URL url=new URL(link);
URLConnection uc=url.openConnection();
//װ
uc.setRequestProperty("User-Agent", "java");
InputStream inputStream=uc.getInputStream();
in=new InputStreamReader(inputStream,encoding);
BufferedReader reader= new BufferedReader(in);
String line =null;
while((line=reader.readLine())!=null){
sb.append(line+"\n");
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally {
try {
in.close();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
return sb.toString();
}
public static void getImg(String source) {
String regex="<img[\\s]+src=\"(https://|http://)[^\"]+?.(jpg|png|gif)\">";
Pattern p=Pattern.compile(regex);
Matcher m=p.matcher(source);
while(m.find()){
//m.group().matches("(https://|http://)([\\w-]+\\.)+[\\w-]+(:[0-9]+)*(/[\\w-]+)*(/[\\w-]+\\.(jpg|JPG|png|PNG|gif|GIF)))");
Pattern p1=Pattern.compile("(https://|http://)[^\"]+?.(jpg|png|gif)");
Matcher m1=p1.matcher(m.group());
while(m1.find()){
System.out.println(m1.group());
}
}
}
public static void main(String[] args) {
String sb=htmlSource("http://foxue.qq.com/", "gbk");
String sa="adsaxzxsx";
getImg(sa);
}
}