java抓取网页数据示例

URLurl=newURL("http://www.baidu.com");
HttpURLConnectionurlCon=(HttpURLConnection)url.openConnection();
urlCon.setConnectTimeout(50000);
urlCon.setReadTimeout(300000);
DataInputStreamfIn;
byte[]content=newbyte[MAX_FILE_SIZE];
fIn=newDataInputStream(urlCon.getInputStream());
intsize=0,f_size=0;
while((size=fIn.read(content,f_size,2048))>0){
    f_size+=size;
}