给a标签设置CSS:
-webkit-touch-callout: none;
ps:关于Label不可选中文本的css:
-webkit-touch-callout: none; /* iOS Safari */ -webkit-user-select: none; /* Chrome/Safari/Opera */ -moz-user-select: none; /* Firefox */ -ms-user-select: none; /* Internet Explorer/Edge */ user-select: none; /* Non-prefixed version, currentlynot supported by any browser */