uniapp H5禁止微信浏览器长按出菜单，只针对图片

一、问题描述

如图：

uni-image>img,
	img {
		pointer-events: none;
		-webkit-pointer-events: none;
		-ms-pointer-events: none;
		-moz-pointer-events: none;
}

uni-image::before {
	content: ' ';
	position: absolute;
	top: 0;
	bottom: 0;
	left: 0;
	right: 0;
	background: transparent;
	opacity: 0;
}

这样对img覆盖了一层蒙版，也就不会出现长按菜单了
只针对图片长按禁用