java截取网页图片的方法

public static int GetPic(String URL,String ADid){
String path=CatPath+"iecapt.exe";
Process pro = null;
try {
pro = Runtime.getRuntime().exec(path + " " + URL + " " + CatPath + ADid + ".jpg");
pro.waitFor();
}catch(IOException e){ 
} catch (InterruptedException e) {
} 
return 0;
}