1、添加隱藏控件,類型爲password
2、真正的密碼框設置autocomplete="off",並將type設置爲text,然後在獲取焦點的時候改變type爲password
<div class="form-group">
<input id="txtUserID" class="form-control form-control-index" placeholder="用戶名" type="text" runat="server" tabindex="1" />
</div>
<div class="form-group ">
<input type="password" style="display: none">
<input id="txtUserPwd" class="form-control form-control-index" type="text" onfocus="this.type='password'" placeholder="密碼" autocomplete="off" runat="server" tabindex="2" />
</div>