我需要一个 div，您可以在 Android 和 iPhone 上单击角落并调整大小
感谢您的帮助
最佳答案
这是我的解决方案。此代码适用于 Firefox、Chrome、iPad 和 Android。只需点击角落即可。
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>resizable demo</title>
<link rel="stylesheet"
href="http://code.jquery.com/ui/1.10.3/themes/smoothness/jquery-ui.css">
<style>
#resizable {
width: 100px;
height: 100px;
background: #ccc;
}
</style>
<script src="http://code.jquery.com/jquery-1.9.1.js"></script>
<script src="http://code.jquery.com/ui/1.10.3/jquery-ui.js"></script>
</head>
<body>
<script type="text/javascript">
(function ($) {
// Detect touch support
$.support.touch = 'ontouchend' in document;
// Ignore browsers without touch support
if (!$.support.touch) {
return;
}
var mouseProto = $.ui.mouse.prototype,
_mouseInit = mouseProto._mouseInit,
touchHandled;
function simulateMouseEvent (event, simulatedType) { //use this function to simulate mouse event
// Ignore multi-touch events
if (event.originalEvent.touches.length > 1) {
return;
}
event.preventDefault(); //use this to prevent scrolling during ui use
var touch = event.originalEvent.changedTouches[0],
simulatedEvent = document.createEvent('MouseEvents');
// Initialize the simulated mouse event using the touch event's coordinates
simulatedEvent.initMouseEvent(
simulatedType, // type
true, // bubbles
true, // cancelable
window, // view
1, // detail
touch.screenX, // screenX
touch.screenY, // screenY
touch.clientX, // clientX
touch.clientY, // clientY
false, // ctrlKey
false, // altKey
false, // shiftKey
false, // metaKey
0, // button
null // relatedTarget
);
// Dispatch the simulated event to the target element
event.target.dispatchEvent(simulatedEvent);
}
mouseProto._touchStart = function (event) {
var self = this;
// Ignore the event if another widget is already being handled
if (touchHandled || !self._mouseCapture(event.originalEvent.changedTouches[0])) {
return;
}
// Set the flag to prevent other widgets from inheriting the touch event
touchHandled = true;
// Track movement to determine if interaction was a click
self._touchMoved = false;
// Simulate the mouseover event
simulateMouseEvent(event, 'mouseover');
// Simulate the mousemove event
simulateMouseEvent(event, 'mousemove');
// Simulate the mousedown event
simulateMouseEvent(event, 'mousedown');
};
mouseProto._touchMove = function (event) {
// Ignore event if not handled
if (!touchHandled) {
return;
}
// Interaction was not a click
this._touchMoved = true;
// Simulate the mousemove event
simulateMouseEvent(event, 'mousemove');
};
mouseProto._touchEnd = function (event) {
// Ignore event if not handled
if (!touchHandled) {
return;
}
// Simulate the mouseup event
simulateMouseEvent(event, 'mouseup');
// Simulate the mouseout event
simulateMouseEvent(event, 'mouseout');
// If the touch interaction did not move, it should trigger a click
if (!this._touchMoved) {
// Simulate the click event
simulateMouseEvent(event, 'click');
}
// Unset the flag to allow other widgets to inherit the touch event
touchHandled = false;
};
mouseProto._mouseInit = function () {
var self = this;
// Delegate the touch handlers to the widget's element
self.element
.on('touchstart', $.proxy(self, '_touchStart'))
.on('touchmove', $.proxy(self, '_touchMove'))
.on('touchend', $.proxy(self, '_touchEnd'));
// Call the original $.ui.mouse init method
_mouseInit.call(self);
};
})(jQuery);
</script>
<div id="resizable"></div>
<script>
$( "#resizable" ).resizable();
</script>
</body>
</html>
关于html - 如何在移动设备上调整 div 大小(单击角落)？，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/17682641/