jquery手指触摸滑动放大图片的方法(比较靠谱的方法)
<pre>
<!DOCTYPE html>
<html lang="zh-cn">
<head>
<title>touch.js demo</title>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<script type="text/javascript" src="{$yuming}/touchjs/js/touch.min.js"></script>
<script type="text/javascript" src="{$yuming}/touchjs/js/cat.touchjs.js"></script>
<script type="text/javascript" src="{$yuming}/touchjs/js/jquery-1.10.2.min.js"></script>
</head>
<body>
<style>
.tcpiccontainer{
100%;
height: 100%;
position: absolute;
left:0px;
top:0px;
z-index: 999;
background: #000;
}
.tcpiccontainer img{
100%;
position: absolute;
margin-top: 11rem;;
}
</style>
<div class="tcpiccontainer">
<img id="targetObj" src="http://demo.somethingwhat.com/images/flower1.jpg" />
</div>
<!-- 初始化500毫秒后 再操作-->
<script type="text/javascript">
$(function () {
var $targetObj = $('#targetObj');
//初始化设置
cat.touchjs.init($targetObj, function (left, top, scale, rotate) {
$('#left').text(left);
$('#top').text(top);
$('#scale').text(scale);
$('#rotate').text(rotate);
$targetObj.css({
left: left,
top: top,
'transform': 'scale(' + scale + ') rotate(' + rotate + 'deg)',
'-webkit-transform': 'scale(' + scale + ') rotate(' + rotate + 'deg)'
});
});
//初始化拖动手势（不需要就注释掉）
cat.touchjs.drag($targetObj, function (left, top) {
$('#left').text(left);
$('#top').text(top);
});
//初始化缩放手势（不需要就注释掉）
cat.touchjs.scale($targetObj, function (scale) {
$('#scale').text(scale);
});
//初始化旋转手势（不需要就注释掉）
// cat.touchjs.rotate($targetObj, function (rotate) {
// $('#rotate').text(rotate);
// });
});
</script>
</body>
</html>
</pre>
//预览地址
http://wxserver.knowway.cn/home/moban/touchujs.html
ps:切记初始化500毫秒后 再操作