Question

这是我的情况：我有一个页面，其中包含一个经常更新的横幅，这意味着每次更新页面（不能覆盖）时横幅的图像路径都会有所不同。无论如何，它将位于具有常量名称的div或容器内。

我需要做的是检索该图像路径并将其打印在不同的页面中，因此如果第一页中的横幅发生变化，它将在第二页中自动更改。

我想也许有些javascript可以完成这项工作，但我不确定如何从div中获取图像路径。

任何帮助将不胜感激，阿根廷的问候

Answer 1

使用html5和javascript的解决方案就是这个

  you can get the image tag through javascript(as u say it is in div
  and whose id you know)  
  something like
  src = document.getElementById("id").childnodes[0].src
  should work for u

  then you can store this src in the localStorage

  localStorage["src"] = src;

  as soon as you store something in localstorage it will fire a 
  "storage" event in all the other pages except the page in which 
  you have actually stored the src


 so handle "storage" event in the other pages like this

     window.addEventListener("storage",func,false);

     function func(event)
     {

         src  = localStorage[event.key];
        //now src has the updated src :)
     }

如何使用JS从另一个页面检索图像路径？

1 个答案: