. In the process of surfing the Internet, we often enjoy video or music through online on-demand. However, there are many inconveniences in online playback. For example, if the network speed is too slow, the playback will not be smooth. Therefore, many friends intend to download these online media files to the local hard disk, so that they can enjoy them with the fragrance. However, most websites that offer online on-demand have so-called anti-theft chain technology. By specifying special reference URLs and cookies to prevent users from illegally downloading, only audition and trial are allowed. When users try to download these files, they can only download a bunch of ordinary web pages.
the face of many of these adverse conditions, we naturally want to find ways to deal with them. Using the "HTTP URL Crawler", coupled with the "URLDownloader" tool that comes with the program, will allow us to break through the download restrictions of the site and let all the files work for me!
a basic setting method
installation by conventional methods well "HTTP URL grabber" to open the program's main interface, the main menu and then click Run "Tools /Install /Uninstall sniffer" command The sniffer can be installed by clicking the "Install" button in the pop-up dialog box. Only after the sniffer is installed can the program function properly and crawl all URL requests.
After installing the sniffer, select the "Tools/Settings" command in turn, click the "Sniffer Settings" tab in the dialog that opens, and tick "List all network processes" in the page. Options (Figure 1).
Since we are going to capture the video that is played online in the forum, you can click the "Filter Settings" tab and check the corresponding video type in the "Video" list. When the setup is complete, press the "Start Crawl" button on the program interface toolbar to activate the "HTTP URL Crawler".
II. Implementation Download Plan
In the case that the "HTTP URL Crawler" is already running in the background, we open the page that provides the online play function in the forum, and play the video to be downloaded online. .
Open the "HTTP URL Crawler" main interface again, click the "Video" tab in the page, you can find the captured video information, such as the URL of the online video file, reference address and cookies Information, etc. (Figure 2).
After obtaining this information, we are going to download the video file to the local hard disk. At this time, please ask another good hunter - URLDownloader (it is integrated in the software) Among them). Select the video file you want to download from the list, right-click and select the "Download with URLDownloader" command on the right-click menu. The "Add New Task" dialog box opens. In this dialog, we found that the source address of the downloaded file and the website cookie corresponding to the access rights are displayed. Select the path to save the file and the download thread, click the "OK" button to download the video file to the local hard drive.