1.<form>标签加上此属性autocomplete="off"
<form autocomplete="off">
<input />
<input type="text" name="lname" autocomplete="off"/>
</form>
2.<input>标签加上此属性autocomplete="off"
<form autocomplete="off">
<input />
<input type="text" name="lname" autocomplete="off"/>
</form>