[英]Getting X Y Coordinates into PHP variables on Mouse Click
The following script moves a ball from one location to another inside a box.以下脚本将一个球从一个位置移动到一个盒子内的另一个位置。
I would like to gather the coordinates of where the mouse is clicked inside this box and convert the X and Y coordinates onclick over to PHP variables so some additional PHP code can process this.我想收集鼠标在此框中单击的位置的坐标,并将 onclick 的 X 和 Y 坐标转换为 PHP 变量,以便一些额外的 PHP 代码可以处理此问题。
How can this be done please?请问这怎么办?
<!DOCTYPE html>
<html>
<head>
<title>Move to Click Position</title>
<style type="text/css">
body {
background-color: #FFF;
margin: 30px;
margin-top: 10px;
}
#contentContainer {
width: 550px;
height: 350px;
border: 5px black solid;
overflow: hidden;
background-color: #F2F2F2;
cursor: pointer;
}
#thing {
position: relative;
left: 50px;
top: 50px;
transition: left .5s ease-in, top .5s ease-in;
}
</style>
</head>
<body>
<div id="contentContainer">
<img id="thing" src="//www.kirupa.com/images/smiley_red.png">
</div>
<script src="//www.kirupa.com/prefixfree.min.js"></script>
<script>
var theThing = document.querySelector("#thing");
var container = document.querySelector("#contentContainer");
container.addEventListener("click", getClickPosition, false);
function getClickPosition(e) {
var parentPosition = getPosition(e.currentTarget);
var xPosition = e.clientX - parentPosition.x - (theThing.clientWidth / 2);
var yPosition = e.clientY - parentPosition.y - (theThing.clientHeight / 2);
theThing.style.left = xPosition + "px";
theThing.style.top = yPosition + "px";
}
// Helper function to get an element's exact position
function getPosition(el) {
var xPos = 0;
var yPos = 0;
while (el) {
if (el.tagName == "BODY") {
// deal with browser quirks with body/window/document and page scroll
var xScroll = el.scrollLeft || document.documentElement.scrollLeft;
var yScroll = el.scrollTop || document.documentElement.scrollTop;
xPos += (el.offsetLeft - xScroll + el.clientLeft);
yPos += (el.offsetTop - yScroll + el.clientTop);
} else {
// for all other non-BODY elements
xPos += (el.offsetLeft - el.scrollLeft + el.clientLeft);
yPos += (el.offsetTop - el.scrollTop + el.clientTop);
}
el = el.offsetParent;
}
return {
x: xPos,
y: yPos
};
}
</script>
</body>
</html>
I can then process these in the other script I have.然后我可以在我拥有的其他脚本中处理这些。
If someone can explain how this can be achieved it would be greatly appreciated.如果有人可以解释如何实现这一点,将不胜感激。
Thanks谢谢
I have looked through and found a solution if anyone is after doing the same thing.如果有人在做同样的事情后,我已经查看并找到了解决方案。
<!DOCTYPE html>
<html>
<head>
<title>Move to Click Position</title>
<style type="text/css">
body {
background-color: #FFF;
margin: 30px;
margin-top: 10px;
}
#contentContainer {
width: 614px;
height: 864px;
border: 5px black solid;
overflow: hidden;
background: url(Sample-Contract-Agreement-Letter.jpg) top left no-repeat;
background-color: #F2F2F2;
cursor: pointer;
}
#thing {
position: relative;
left: 50px;
top: 50px;
transition: left .5s ease-in, top .5s ease-in;
}
</style>
</head>
<body>
<div id="contentContainer">
<img id="thing" src="//www.kirupa.com/images/smiley_red.png">
</div>
<script src="//www.kirupa.com/prefixfree.min.js"></script>
<script>
var theThing = document.querySelector("#thing");
var container = document.querySelector("#contentContainer");
container.addEventListener("click", getClickPosition, false);
function getClickPosition(e) {
var parentPosition = getPosition(e.currentTarget);
var xPosition = e.clientX - parentPosition.x - (theThing.clientWidth / 2);
var yPosition = e.clientY - parentPosition.y - (theThing.clientHeight / 2);
document.getElementById('myField1').value = xPosition;
document.getElementById('myField2').value = yPosition;
theThing.style.left = xPosition + "px";
theThing.style.top = yPosition + "px";
}
// Helper function to get an element's exact position
function getPosition(el) {
var xPos = 0;
var yPos = 0;
while (el) {
if (el.tagName == "BODY") {
// deal with browser quirks with body/window/document and page scroll
var xScroll = el.scrollLeft || document.documentElement.scrollLeft;
var yScroll = el.scrollTop || document.documentElement.scrollTop;
xPos += (el.offsetLeft - xScroll + el.clientLeft);
yPos += (el.offsetTop - yScroll + el.clientTop);
} else {
// for all other non-BODY elements
xPos += (el.offsetLeft - el.scrollLeft + el.clientLeft);
yPos += (el.offsetTop - el.scrollTop + el.clientTop);
}
el = el.offsetParent;
}
return {
x: xPos,
y: yPos
};
}
</script>
<form action="test.php" method="post">
<input type=”hidden” value="" id="myField1" name="myField1">
<input type=”hidden” value="" id="myField2" name="myField2">
<input type="submit" value="Submit">
</form>
</body>
</html>
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