First, use Safari browser. After opening the target webpage, press and hold the side power button and the volume up button to take a screenshot. After clicking the thumbnail, select "Full Page" and scroll to select the screenshot range. Finally, finish and select "Save PDF to File" to save. In WeChat, open the Favorites page, create new notes and add content, click on the three points in the upper right corner and select "Export as Picture" to finish. These two methods are simple and effective, and are convenient for users to obtain long maps.