Javascript 检测鼠标点击位置
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Detect Mouse click location
提问by Moon
What i am trying to achieve is make a DIV and display world map image on it or as a background.. & when user clicks some somewhere on the map, i catch the mouse-click location,
我想要实现的是制作一个 DIV 并在其上或作为背景显示世界地图图像..& 当用户单击地图上的某个位置时，我会捕捉到鼠标单击位置，
then i am some how going to translate the mouse's X,Y cords into longitude,latitude and then run an AJAX to display some data.
然后我将了解如何将鼠标的 X、Y 线转换为经度、纬度，然后运行 AJAX 以显示一些数据。
My problem is:
我的问题是：
- How to get mouse click location with JavaScript
- How to translate the global click location into a DIV's relative X,Y coords of a layer
- 如何使用 JavaScript 获取鼠标点击位置
- 如何将全局点击位置转换为图层的 DIV 相对 X、Y 坐标
采纳答案by Naveed
Look at this example:
看这个例子：
Following posts may also help:
以下帖子也可能有所帮助：
回答by evilone
In HTML you set onMouseMove event:
在 HTML 中设置 onMouseMove 事件：
<div onMouseMove="getPositions();"
style="width:200px;height:100px"></div>
And javascript function:
和 javascript 函数：
function getPositions(ev) {
if (ev == null) { ev = window.event }
_mouseX = ev.clientX;
_mouseY = ev.clientY;
}
回答by mgalgs
Unless you have a reason to do it from scratch, I would recommend Google Maps Api.
除非您有理由从头开始，否则我会推荐Google Maps Api。
You'll notice that the Mapobject has a click event to which you can bind a callback that receives a MouseEvent that contains lat/long coords. Check out this example.
您会注意到Map对象有一个单击事件，您可以将一个回调绑定到该事件，该回调接收包含经纬度坐标的 MouseEvent。看看这个例子。
回答by cchamberlain
In the event handler you can get it through the mouseEvent Args.
在事件处理程序中，您可以通过 mouseEvent Args 获取它。
Excerpt from http://msdn.microsoft.com/en-us/library/bb404721.aspx-
摘自http://msdn.microsoft.com/en-us/library/bb404721.aspx-
function onMouseLeftButtonUp(sender, mouseEventArgs)
{
// Return a Point object representing the x- and y-coordinates of the current mouse position
// relative to the reference object.
var pt = mouseEventArgs.getPosition(sender.findName("referenceObject"));
// Display the current mouse position.
sender.findName("Status").text = pt.x + " : " + pt.y;
}
