从网络上下载文件

public void downloadNet() throws MalformedURLException {

URL url = new URL("webUrl");

try {
URLConnection conn = url.openConnection();
InputStream inStream = conn.getInputStream();
FileOutputStream fs = new FileOutputStream("fileUrl");

byte[] buffer = new byte[1204];
int length = 0;
while ((length = inStream.read(buffer)) != -1) {
fs.write(buffer, 0, length);
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}

}

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