方法有很多

????????????URL?link?=?new?URL(url);
????????????InputStream?is?=?link.openStream();
????????????BufferedReader?br?=?new?BufferedReader(new?InputStreamReader(is,
????????????????????"utf-8"));
????????????StringBuilder?strBuilder?=?new?StringBuilder();
????????????String?sLine?=?null;
????????????while?((sLine?=?br.readLine())?!=?null)?{
????????????????strBuilder.append(sLine);
????????????????strBuilder.append("\r\n");
????????????}
????????????br.close();
????????????String?content?=?strBuilder.toString();

HTTP請(qǐng)求模擬工具這個(gè)的實(shí)現(xiàn)代碼用了很多Httpclent

URL?link?=?new?URL("http://www.sojson.com");
InputStream?is?=?link.openStream();

直接獲取流了，優(yōu)點(diǎn)是這個(gè)簡(jiǎn)單，缺點(diǎn)是太單一了，比如不能以Post，或者帶一些頭信息什么的！

這個(gè)方法的源碼就是對(duì)HttpUrlConnection方法進(jìn)行了封裝。

public final InputStream openStream() throws IOException {
? ?return openConnection().getInputStream();
}