7. Bootstrap5

  • 7.17. Bootstrap5 list group

    Most of the underlying list groups are unordered. To create a list group, you can use the add on the element .li...
    2025-10-25 13:35:28 UTC
  • 7.18. Bootstrap5 card

    7.18.1. A simple card ¶ We can use Bootstrap5’s .card and .card-body class to create a simple card that can c...
    2025-10-25 13:35:31 UTC
  • 7.19. Bootstrap5 drop-down menu

    The drop-down menu is switchable and is a context menu that displays links in a list format. 7.19.1. Example ¶ L...
    2025-10-25 13:35:29 UTC
  • 7.20. Bootstrap5 folding

    Bootstrap5 folding can easily show and hide content. 7.20.1. Example ¶ foldbutton> Here are some test contents......
    2025-10-25 13:35:30 UTC
  • 7.21. Bootstrap5 navigation

    If you want to create a simple horizontal navigation bar, you can use the add on the element .nav class in each ...
    2025-10-25 13:35:32 UTC
  • 7.22. Bootstrap5 navigation bar

    The navigation bar is usually placed at the top of the page. We can use it. .navbar class to create a standard navigat...
    2025-10-25 13:35:33 UTC
  • 7.23. Bootstrap5 rotation

    Rotation is a circular slide show: 7.23.1. How to create a carousel ¶ The following example creates a simple image ...
    2025-10-25 13:35:29 UTC
  • 7.24. Bootstrap5 modal box

    A Modal is a child form that overrides the parent form. Typically, the goal is to display content from a separate source, an...
    2025-10-25 13:35:32 UTC
  • 7.25. Bootstrap5 prompt box

    The prompt box is a small pop-up window that appears when the mouse moves over the element and disappears when the mouse mov...
    2025-10-25 13:35:27 UTC
  • 7.26. Bootstrap5 pop-up box

    The pop-up box control is similar to the prompt box, it is displayed after the mouse is clicked on the element, unlike the p...
    2025-10-25 13:35:27 UTC
  • 7.27. Bootstrap5 Roll snooping (Scrollspy)

    The scroll monitoring (Scrollspy) plug-in, that is, the automatic update navigation plug-in, automatically updates the corre...
    2025-10-25 13:35:32 UTC
  • 7.28. Bootstrap5 sidebar navigation (Offcanvas)

    The Bootstrap5 sidebar is similar to the modal box and is commonly used in mobile devices. 7.28.1. Create sliding navig...
    2025-10-25 13:35:29 UTC
  • 7.29. Bootstrap5 gadget

    Bootstrap 5 provides a lot of useful classes to help us achieve results quickly without having to rewrite some CSS code. ...
    2025-10-25 13:35:27 UTC
  • 7.30. Bootstrap5 Flex (flexible) layout

    Bootstrap5 passed flex class to control the layout of the page. 7.30.1. Elastic box (flexbox) ¶ The biggest dif...
    2025-10-25 13:35:28 UTC
  • 7.31. Bootstrap5 form

    In this chapter, we will learn how to create a form using Bootstrap. Bootstrap can create different styles of forms with som...
    2025-10-25 13:35:29 UTC
  • 7.32. Bootstrap5 drop-down menu

    The drop-down menu can be either a single-choice drop-down menu or a multi-choice drop-down menu. Select the drop-down men...
    2025-10-25 13:35:27 UTC
《地理信息系统原理、技术与方法》  97

最近几年来,地理信息系统无论是在理论上还是应用上都处在一个飞速发展的阶段。 GIS被应用于多个领域的建模和决策支持,如城市管理、区划、环境整治等等,地理信息成为信息时代重要的组成部分之一; “数字地球”概念的提出,更进一步推动了作为其技术支撑的GIS的发展。 与此同时,一些学者致力于相关的理论研究,如空间感知、空间数据误差、空间关系的形式化等等。 这恰好说明了地理信息系统作为应用技术和学科的两个方面,并且这两个方面构成了相互促进的发展过程。