我的拖放项目最初出现在左上角。我想给100像素的空间,从顶部和左边的开放。但我必须使用interactjs自己的代码,而不是css。因为如果我用css做这件事,滚动设置就坏了
interact('.dragitem')
.draggable({
inertia: true,
modifiers: [
interact.modifiers.restrictRect({
restriction: 'parent',
endOnly: true
})
],
autoScroll: true,
listeners: {
move: dragMoveListener
}
})
function dragMoveListener (event) {
var target = event.target
var x = (parseFloat(target.getAttribute('data-x')) || 0) + event.dx
var y = (parseFloat(target.getAttribute('data-y')) || 0) + event.dy
target.style.transform = 'translate(' + x + 'px, ' + y + 'px)';
target.setAttribute('data-x', x)
target.setAttribute('data-y', y)
}
window.dragMoveListener = dragMoveListener
.drag-container {
width:1000px;
height:1000px;
background:red;
}
.dragitem {
width:100px;
height:100px;
background:blue;
}
<script src="https://cdn.jsdelivr.net/npm/interactjs/dist/interact.min.js"></script>
<div class="drag-container">
<div class="dragitem">drag me</div>
</div>
发布于 2022-09-21 09:32:38
您必须在HTML中直接编辑样式、数据-x和数据-y的起始位置。
<div class="dragitem" style="transform: translate(100px, 100px);" data-x="100" data-y="100">drag me</div>
interact('.dragitem')
.draggable({
inertia: true,
modifiers: [
interact.modifiers.restrictRect({
restriction: 'parent',
endOnly: true
})
],
autoScroll: true,
listeners: {
move: dragMoveListener
}
})
function dragMoveListener (event) {
var target = event.target
var x = (parseFloat(target.getAttribute('data-x')) || 0) + event.dx
var y = (parseFloat(target.getAttribute('data-y')) || 0) + event.dy
target.style.transform = 'translate(' + x + 'px, ' + y + 'px)';
target.setAttribute('data-x', x)
target.setAttribute('data-y', y)
}
window.dragMoveListener = dragMoveListener
.drag-container {
width:1000px;
height:1000px;
background:red;
}
.dragitem {
width:100px;
height:100px;
background:blue;
}
<script src="https://cdn.jsdelivr.net/npm/interactjs/dist/interact.min.js"></script>
<div class="drag-container">
<div class="dragitem" style="transform: translate(100px, 100px);" data-x="100" data-y="100">drag me</div>
</div>
https://stackoverflow.com/questions/71556034
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