如何点击地图区域并在列表中显示数据？

时间：2015-07-23 08:34:52

标签： javascript html dictionary area

我想知道是否可以显示地图区域的数据。例如，在下面的链接中，如果我单击头部区域，则在底部，它将显示在我单击文本中的列表中。我已经尝试过javascript，但它无法正常工作。

以下是样本。

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 <h1>Step 2: Please mark on these pictures where it is you hurt.</h1>
<img id="themap" src="img/Capture.JPG" alt="" usemap="#Map" />
<map name="Map" id="Map">

    <area ref="#" shape="poly" coords="19,317,45,317,50,334,58,365,55,367,46,367,44,379,35,385,22,378,17,345,4,353,3,341" />
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<area class="red"  alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="90,16,114,5,136,16,145,58,135,74,115,87,96,72,84,60" />
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<area class="red" alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="305,116,298,142,294,219,321,225,323,170" />
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<area class="red" alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="377,546,390,540,401,543,405,553,403,587,410,614,390,633,374,631,372,610,378,565" />

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http://79.170.44.80/sicuandomain.com/

谢谢！

1 个答案:

答案 0 :(得分：2)

我会朝着这个方向推动你：

  1. 从每个onclick=myFunction()中删除内联area代码。
  2. 在area中添加您的识别数据。目前，你无法确定哪一个是哪一个。一种非常简单的方法是在title属性中添加该信息。
  3. 在click上连接Javascript map事件处理程序。通过检查e.target使用事件委派来找出点击的area。
  4. 使用title属性执行您要对该数据执行的操作。

    5. 例如 ：

    var map = document.getElementById("Map");
map.addEventListener("click", function(e) {
    callAction(e.target);
});
function callAction(area) {
    alert(area.title);
}

    这是一个证明这一点的小提琴。尝试点击左侧图片上的头，颈部和左臂或右臂。

    示例小提琴：http://jsfiddle.net/abhitalks/qpmxnv2g/

    希望有所帮助。

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