在android中将完整网页保存到SD卡
嗨,开发者们,我正在用android开发一个基于web的应用程序。我想下载一个网页到SD卡,使网页加载更快。因此,我使用以下代码下载html文件在android中将完整网页保存到SD卡,android,android-webview,Android,Android Webview,嗨,开发者们,我正在用android开发一个基于web的应用程序。我想下载一个网页到SD卡,使网页加载更快。因此,我使用以下代码下载html文件 try { //set the download URL, a url that points to a file on the internet //this is the file to be downloaded URL url = new URL("
try {
//set the download URL, a url that points to a file on the internet
//this is the file to be downloaded
URL url = new URL("http://venusdigitalarcade.com/index.html");
//create the new connection
HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
//set up some things on the connection
urlConnection.setRequestMethod("GET");
urlConnection.setDoOutput(true);
//and connect!
urlConnection.connect();
//set the path where we want to save the file
//in this case, going to save it on the root directory of the
//sd card.
File SDCardRoot = Environment.getExternalStorageDirectory();
//create a new file, specifying the path, and the filename
//which we want to save the file as.
File file = new File(SDCardRoot,"venus.html");
//this will be used to write the downloaded data into the file we created
FileOutputStream fileOutput = new FileOutputStream(file);
//this will be used in reading the data from the internet
InputStream inputStream = urlConnection.getInputStream();
//this is the total size of the file
int totalSize = urlConnection.getContentLength();
//variable to store total downloaded bytes
int downloadedSize = 0;
//create a buffer...
byte[] buffer = new byte[1024];
int bufferLength = 0; //used to store a temporary size of the buffer
//now, read through the input buffer and write the contents to the file
while ( (bufferLength = inputStream.read(buffer)) > 0 ) {
//add the data in the buffer to the file in the file output stream (the file on the sd card
fileOutput.write(buffer, 0, bufferLength);
//add up the size so we know how much is downloaded
downloadedSize += bufferLength;
//this is where you would do something to report the prgress, like this maybe
// updateProgress(downloadedSize, totalSize);
}
//close the output stream when done
fileOutput.close();
//catch some possible errors...
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
此代码只保存html文字,没有设计部分和css文件以及图像和视频等内容
如何下载包含design、JavaScrpt和css的完整网页?您可以为所需的每种资源创建一个文件列表,或者使用类似于的网络爬虫。如果您不理解我的问题,请在此处发表评论