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demo.html
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demo.html
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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="utf-8">
<title>拖拽选择区域</title>
<style>
.hot-area-container {
position: relative;
display: inline-block;
margin: 0 auto;
}
.hot-area-img {
display: block;
width: 500px;
height: auto;
}
.hot-crop-box {
bottom: 0;
left: 0;
position: absolute;
right: 0;
top: 0;
box-sizing: border-box;
direction: ltr;
font-size: 0;
line-height: 0;
touch-action: none;
user-select: none;
}
.hot-crop-box.active {
border: 1px solid #39f;
}
.hot-crop-box.active .cropper-point {
display: block;
}
.crop-box-content {
width: 100%;
height: 100%;
background-color: #2aa7ff;
opacity: .3;
cursor: move;
}
.cropper-point {
display: none;
position: absolute;
background-color: #39f;
height: 6px;
opacity: .75;
width: 6px;
box-sizing: border-box;
}
.cropper-point.point-e {
cursor: ew-resize;
margin-top: -3px;
right: -4px;
top: 50%;
}
.cropper-point.point-n {
cursor: ns-resize;
left: 50%;
margin-left: -3px;
top: -4px;
}
.cropper-point.point-w {
cursor: ew-resize;
left: -4px;
margin-top: -3px;
top: 50%;
}
.cropper-point.point-s {
bottom: -4px;
cursor: s-resize;
left: 50%;
margin-left: -3px;
}
.cropper-point.point-ne {
cursor: nesw-resize;
right: -4px;
top: -4px;
}
.cropper-point.point-nw {
cursor: nwse-resize;
left: -4px;
top: -4px;
}
.cropper-point.point-sw {
bottom: -4px;
cursor: nesw-resize;
left: -4px;
}
.cropper-point.point-se {
bottom: -4px;
right: -4px;
cursor: nwse-resize;
}
</style>
</head>
<body>
<h1>拖拽选择区域</h1>
<div class="hot-area-container" id="hotMap">
<img class="hot-area-img" src="img/ic_img_file_others.png">
<div class="hot-crop-box active" id="hotBox" style="width:225px;height:64px;">
<div class="crop-box-content"></div>
<span class="cropper-point point-e" data-direct="e"></span>
<span class="cropper-point point-n" data-direct="n"></span>
<span class="cropper-point point-w" data-direct="w"></span>
<span class="cropper-point point-s" data-direct="s"></span>
<span class="cropper-point point-ne" data-direct="ne"></span>
<span class="cropper-point point-nw" data-direct="nw"></span>
<span class="cropper-point point-sw" data-direct="sw"></span>
<span class="cropper-point point-se" data-direct="se"></span>
</div>
</div>
<script src="./dragarea.js"></script>
<script>
dragarea.init({
container: 'hotMap',
hotbox: 'hotBox',
newcallback: function (area) {
console.log(area);
},
clickcallback: function (area) {
console.log('clickcallback', area);
},
dragpointcallback: function (area) {
console.log('dragpointcallback', area);
},
dragareacallback: function (area) {
console.log('dragareacallback', area);
}
});
</script>
</body>
</html>