今天我想创建一个不同的按钮...所以我想:如果我得到的图像在单击时旋转180度,然后一次又一次旋转180度...(每次单击)。经过大量尝试,我不知道该怎么办。这就是我的想法和所作:
HTML:
func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
print(dropDwonArray.count)
return dropDwonArray.count
}
func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
print(dropDwonArray[row])
return dropDwonArray[row]
}
CSS:
<img id="rotater" onclick="rotate()" src="anyImage.png"/>
Javascript:
img{border: 0.0625em solid black;border-radius: 3.75em;}
#rotate{ animation: rotation 3s 0.5 forwards;}
@keyframes rotation{50% {transform: rotate(180deg);}}
这并不重要,只是一个主意...
答案 0 :(得分:2)
尝试一下
使用此代码,每次单击图像时,图像都会旋转180度
let rotateAngle = 180;
function rotate() {
$("#rotater").css({'transform': 'rotate('+rotateAngle+'deg)'});
rotateAngle = rotateAngle + 180;
}
#rotater {
transition: all 0.3s ease;
border: 0.0625em solid black;
border-radius: 3.75em;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<img id="rotater" onclick="rotate()" src="https://upload.wikimedia.org/wikipedia/en/e/e0/Iron_Man_bleeding_edge.jpg"/>
答案 1 :(得分:0)
@Abinthaha发布的内容,但纯JS,无需jQuery。
let rotateAngle = 180;
function rotate(image) {
image.setAttribute("style", "transform: rotate(" + rotateAngle + "deg)");
rotateAngle = rotateAngle + 180;
}
#rotater {
transition: all 0.3s ease;
border: 0.0625em solid black;
border-radius: 3.75em;
}
<img id="rotater" onclick="rotate(this)" src="https://upload.wikimedia.org/wikipedia/en/e/e0/Iron_Man_bleeding_edge.jpg"/>
答案 2 :(得分:-1)
要使用jquery将图像旋转180度,请使用此 `
<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
</head>
<body>
<img id="rotater" onclick="rotate();" src="anyImage.png"/>
</body>
<script type="text/javascript">
let rotateAngle = 180;
function rotate(){
$("#rotater").css({'transform': 'rotate('+rotateAngle+'deg)'});
rotateAngle = rotateAngle + 180;
}
</script>
</html>
`