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Dart

Extract all HTML Objects from a Web Page

See more MHT / HTML Email Examples

Demonstrates how to download a Web page (at a URL) and extract all HTML objects. Eg. images, links, CSS files, JavaScript files, etc.

Chilkat Dart Downloads

Dart
import 'package:chilkat/chilkat.dart';

void main() {
  // This example assumes the Chilkat API to have been previously unlocked.
  // See Global Unlock Sample for sample code.

  final mht = CkMht();

  // Download a URL into an in-memory MHT web archive contained
  // in a string variable.
  // The following URL is randomly picked and was valid at the time of writing this example:
  final String mhtDoc;
  try {
    mhtDoc = mht.getMHT('https://www.tetonlodge.com/');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Extract the HTML and embedded objects:
  final unpackDir = 'C:/AAWorkarea/mhtTesting/';
  final htmlFilename = 'lodge.html';
  final partsSubdir = 'objects';

  // Extract to C:/AAWorkarea/mhtTesting/lodge.html.
  // images and other embedded objects are placed in
  // C:/AAWorkarea/mhtTesting/objects.  Directories are automatically
  // created if they don't already exist.
  try {
    mht.unpackMHTString(mhtDoc, unpackDir, htmlFilename, partsSubdir);
    print('Unpacked!');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
  }
}