如何能够单击地图区域并在列表中显示数据？

Question

我想知道是否可以显示地图区域的数据。例如，在下面的 link 处，如果我单击底部的头部区域，它将显示在列表中，表明我在文本中单击了头部。我试过 javascript，但它不起作用。

这是示例。

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<title>Body Assesssment</title>
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    <style>

    #page-content-wrapper{
        margin-left:300px;
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    h1{
        margin-left:-250px;
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</style>
</head>

<body>

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 <div id="page-content-wrapper">
 <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" />
<area class="red" alt="" title="" onclick="" href="#" shape="poly" coords="32,224,18,316,47,317,68,224" />
<area class="red" alt="" title="" onclick="" href="#" shape="poly" coords="45,119,37,137,35,223,67,228,61,159,45,119" />
<area class="red"  alt="" title="" onclick="" href="#" shape="poly" coords="96,297,136,297,128,318,111,320" />
<area class="red" alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="167,216,198,216,212,314,187,315,177,273,169,250" />
<area class="red"  alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="178,109,164,159,168,213,195,213,197,176,191,124,189,115" />
<area id="red"  alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="86,557,110,559,112,622,96,632,75,627" />
<area class="red" alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="144,557,145,591,153,619,129,634,114,623,120,557" />
<area class="red" alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="155,453,157,495,145,558,119,558,118,453" />
<area class="red" alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="92,72,107,88,124,88,137,72,137,90,143,95,119,107,90,95,96,88," />
<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" />
<area class="red" alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="45,119,90,97,118,111,145,97,175,110,165,175,62,175" />
<area class="red" alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="62,180,170,173,165,218,162,243,165,265,142,293,95,294,65, 270,70,245,64,219" />
<area class="red" alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="188,318,208,316,217,324,230,347,222,350,212,342,209,376,193, 380,183,375,183,355,174,364,180,338,184,318" />
<area class="red" alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="67,274,119,340,116,452,79,452,78,433,61,363" />
<area class="red" alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="119,340,167,266,176,314,172,359,157,452,154,453,117,453" />
<area class="red" alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="78,453,77,512,87,557,109,558,115,454" />
<area class="red" alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="369,4,351,17,350,44,360,66,396,66,404,45,407,21,387,4" />
<area class="red" alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="361,66,354,93,377,97,401,92,396,68" />
<area class="red" alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="353,92,307,115,325,173,323,249,374,258,420,249,424,171,442,114,403,92,376,100" />
<area class="red" alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="305,116,298,142,294,219,321,225,323,170" />
<area class="red" alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="444,116,453,219,425,227,420,205,430,139" />
<area class="red" alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="293,219,285,239,280,303,301,309,319,246,319,228" />
<area class="red" alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="426,228,455,222,462,249,464,308,446,310,437,281" />
<area class="red"  alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="322,250,313,305,335,326,361,332,372,325,385,330,404,329,430,315,429,289,421,253,374,258" />
<area class="red" alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="277,308,260,335,280,372,289,373,303,365,307,332,302,310" />
<area class="red" alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="443,312,466,309,485,330,476,358,460,370,442,359" />
<area class="red" alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="312,306,344,331,363,331,373,327,370,436,331,435,319,376" />
<area class="red" alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="375,325,399,330,430,314,428,368,415,407,414,436,376,435,377,400,374,372" />
<area class="red" alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="333,436,366,440,365,453,371,486,366,515,,365,542,342,543,344,535,334,492" />
<area class="red" alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="377,436,414,437,410,452,413,487,400,543,378,543,376,516,374,487,377,456" />
<area class="red" alt="" title="" onclick="myFunction()" href="#" shape="poly" coords="340,545,341,586,335,613,360,633,371,630,366,570,368,545" />
<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" />

    </map>

</div>
</body>

</html>

http://79.170.44.80/sicuandomain.com/

谢谢！

Answer 1

我会把你推向：

从每个 area 中删除内联 onclick=myFunction() 代码。
在 area 中添加您的识别数据。目前，您无法确定哪个是哪个。一种非常简单的方法是在 title 属性中添加该信息。
在 map 上连接 Javascript click 事件处理程序。通过检查 e.target 来使用事件委托，找出点击了哪个 area。
使用 title 属性对该数据执行您想执行的操作。

例如:

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

这里有一个 fiddle 来证明这一点。尝试单击左侧图像上的头部、颈部和左臂或右臂。

示例 Fiddle：http://jsfiddle.net/abhitalks/qpmxnv2g/

希望对您有所帮助。

如何能够单击地图区域并在列表中显示数据？

How to be able to click on a map area and display the data on a list?

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