引导下拉菜单在小屏幕上的内容后面

时间：2015-10-28 18:49:55

标签： javascript html css twitter-bootstrap

我用引导程序做了一个下拉列表但是当我将屏幕调整到一个小尺寸时看起来非常糟糕，它正常工作正常但是当小的时候下拉开始隐藏在其他内容之后

enter image description here

enter image description here

是否还有其他内容？

相关的html 

<div class="container-fluid no-padding">
  <div class="row">
    <div class="col-xs-12">
      <nav class="navbar navbar-inverse nav-row">
        <a class="navbar-brand" href="#">Locket</a>
        <ul class="nav navbar-nav navbar-right">
          <li class="dropdown">
            <a href="#" class="dropdown-toggle dropdown-display" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">{{currentUser}}</a>

            <ul class="dropdown-menu">
              <li><a href="#">Action</a></li>
              <li><a href="#">Another action</a></li>
              <li><a href="#">Something else here</a></li>
              <li role="separator" class="divider"></li>
              <li><a href="#">Separated link</a></li>
              <li role="separator" class="divider"></li>
              <li ng-click="logout()"><a href="#">Log Out</a></li>
            </ul>
          </li>
        </ul>
      </nav>
    </div>
  </div>

  <div class="row">

    <div class="col-xs-4 friendListWindow">
      <p class="windowTitle text-center">Friends List</p>
      <form class='form-control-inline' ng-submit='addFriend(newFriendUsername)' name='addFriendForm'>
        <div class='form-group'>
          <input autocomplete='off' class='form-control input-display' type='text' name='newFriendUsername' ng-model='newFriendUsername' required/>
          <button class='btn btn-default button-display form-control' type='submit' ng-disabled='!addFriendForm.$valid'><span class="glyphicon glyphicon-plus" aria-hidden="true"></span></button>
        </div>
      </form>

      <span ng-if='sentRequest' class="friendReqSent">{{friendReqMsg}}</span>
      <p class="friendHeaders">Friend Requests</p>
      <div class="friendRequests">
        <ul class="friendList">
          <li class="friendRequest" ng-repeat='friend in friendRequests track by $index'>
            <div class='form-control-inline'>
              <span>New friend request from: {{friend}}</span>
              <div class="friendRequestOptions">
                <button class='btn btn-default friendButton'><span class='glyphicon glyphicon-ok vertical-center' aria-hidden='true' ng-click='acceptFriendRequest(friend)'></span></button>
                <button class='btn btn-default friendButton'><span class='glyphicon glyphicon-remove vertical-center' aria-hidden='true' ng-click='ignoreFriendRequest(friend)'></span></button>
              </div>
            </div>
          </li>
        </ul>
        <div class="acceptedfriendRequests">
          <ul class="friendList">
            <li class="friendRequest" ng-repeat='friend in acceptedfriendRequests track by $index'>
              <span>{{friend}} accepted your friend request</span>
              <button class='btn btn-default friendButton'><span class='glyphicon glyphicon-ok vertical-center' aria-hidden='true' ng-click='acknowledgeFriendRequest(friend)'></span></button>
            </li>
          </ul>
        </div>
      </div>

的CSS：

html, body {
  height: 100%;
  font: 300 16px/22px "Roboto", "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

p {
  margin-left: 10px;
}

ul {
  margin: 0;
}

img {
  width: 100%;
}

.icon {
  max-width: 20px;
  margin: 0;
}

.form-group {
  margin-bottom: 0;
}

.messages {
  padding-bottom: 5px;
}

.message-right {
  text-align: right;
}

.message-left {
  text-align: left;
}

.messageText {
  border-color: transparent;
  border-radius: 15px;
  display: inline-block;
  padding: 6px;
}

.wrapMessage {
  width: 300px;
  word-break: break-word;
  text-align: left;
}

.messageTextFrom {
  background-color: aliceblue;
}

.messageTextTo {
  background-color: beige;
}

.chatWindow {
  height: 95vh;
  padding-left: 0;
}

.friendHeaders {
  font-size: 18px;
  padding-top: 10px;
  margin-left: 10px;
}

.friendSearch {
  width: 60%;
  display: inline;
  vertical-align: middle;
  float:right;
  margin: 8px 13px 5px 5px;
  max-height: 26px;
}

.friendRequests {
  border-bottom: 1px solid lightgray;
}

.friendRequest {
  border-top: 1px solid lightgray;
  padding: 10px;
}

.friendRequestOptions {
  display: inline;
}

.friendListWindow {
  height: 95vh;
  border-right: 1px solid lightgray;
  padding-right: 0;
}

.friendList {
  list-style: none;
  padding-left: 0;
}

.friendPanel {
  border-left: 0px;
  border-right: 0px;
  border-radius: 0px;
  padding: 10px 10px 10px 10px;
  margin-bottom: 0px;
}

.activeFriendPanel {
  background-color: #bfd4d9;
}

.friendArrow {
  float: right;
  color: #ddd;
}

.friendReqSent {
  display: inline-block;
  float: right;
  font-size: 16px;
  padding: 10px;
}

.friendButton {
  display: inline;
  padding: 0 10px 0 10px;
  float: right;
}

.messageList {
  height: 82.5vh;
  overflow: auto;
}

.friendScroll {
  height: 70vh;
  overflow: auto;
}

.dropdown-toggle {
  margin-right: 34px;
  color: #bfd4d9 !important;
}

.navbar {
  position:relative;
  z-index: 1000;
}


.navbar-brand {
  font-family: "Roboto", "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: bold;
  color: #bfd4d9 !important;
  text-transform: uppercase;
  margin-left: 13px !important;
  font-size: 28px;
}

.unreadMessage {
  display: inline-block;
  background-color: lavender;
  border-radius: 10px;
  padding: 5px;
  color: black;
}

.loginFailed {
  float: left;
  color: white;
  margin-top: 3px;
  margin-right: 8px;
}

img {
  margin-top: 30px;
  margin-left: 24px;
}

.no-padding {
  padding: 0 !important;
  margin: 0 !important;
}

.nav-row {
  margin-bottom: 0px;
  height: 5vh;
  background-color: #252839;
  border-color: #252839;
  border-radius: 0;
}

.form-control-inline {
  min-width: 0;
  width: auto;
  display: inline;
  vertical-align: middle;
  position: relative;
}

.input-display {
  width: 90%;
  display: inline;
  vertical-align: middle;
}

.button-display {
  width: 8%;
  display: inline;
  vertical-align: middle;
  text-align: center;
  border: none;
}

.windowTitle {
  border-bottom: 1px solid lightgray;
  padding: 5px 0px 5px 0px;
  font-size: 18px;
  font-weight: bold;
  margin-left: 0;
}

.btn {
  font-family: "Roboto", "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.navbar-right {
  margin-right: 0;
  position:relative;
}

.dropdown-display {
  margin-right: 13px;
}

.vertical-center {
  vertical-align: middle;
}

.friendButton {
  width: 8%;
  float: right;
  border: none;
  margin-left: 10px;
  padding-bottom: 5px;
}

.encryptionIndicator {
  display: inline-block;
  float: right;
  padding-right: 10px;
  cursor: pointer;
  font-size: 16px;
}

.encryptionOn {
  color: green;
}

.encryptionOff {
  color: red;
}

2 个答案:

答案 0 :(得分：3)

您的问题是，在Bootstrap中，导航栏上使用的下拉列表在980px以下的屏幕上有position: static。

您可以使用CSS覆盖样式（并将no-collapse类添加到.dropdown-menu。

CSS：

.navbar .dropdown-menu.no-collapse:before {
  left: auto;
  right: 12px;
}
.navbar .dropdown-menu.no-collapse:after {
  left: auto;
  right: 13px;
}
@media (max-width: 979px) {
  .navbar .dropdown-menu.no-collapse {
    background-color: #ffffff;
    border-color: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
    border-style: solid;
    border-width: 1px;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
    float: left;
    margin: 0;
    padding: 4px 0;
    position: absolute;
    top: 100%;
  }
  .navbar .dropdown-menu.no-collapse:before,
  .navbar .dropdown-menu.no-collapse:after {
    display: block;
  }
  .navbar .dropdown-menu.no-collapse li + li a {
    margin-bottom: 0;
  }
  .navbar .dropdown-menu.no-collapse .divider {
    display: list-item;
  }
  .navbar .dropdown-menu.no-collapse a {
    border-radius: 0;
    color: #333333;
    font-weight: normal;
    padding: 3px 15px;
  }
  .navbar .dropdown-menu.no-collapse a:hover,
  .navbar .dropdown-menu.no-collapse .active a,
  .navbar .dropdown-menu.no-collapse .active a:hover {
    background-color: #0088cc;
    color: #ffffff;
  }
  .btn-group.open .dropdown-menu.no-collapse {
    display: block;
    margin-top: 1px;
    border-radius: 5px;
  }
}

CODEPEN

答案 1 :(得分：1)

由于看起来您希望在所有视口中显示您的下拉列表，您可以在 $("#calendar").fullCalendar({ dayClick: function(date, jsEvent, view) { //alert('Clicked on: ' + date.format()); //alert('Coordinates: ' + jsEvent.pageX + ',' + jsEvent.pageY); //alert('Current view: ' + view.name); if (view.name != 'month') return; if (view.name == 'month') { $('#calendar').fullCalendar('changeView', 'agendaDay'); $('#calendar').fullCalendar('gotoDate', date); } }, 类中设置下拉列表/链接，然后使用带有navbar-header类的按钮下拉列表来处理很多的盒子。 

navbar-btn

如果您想在右侧始终设置位置，则需要设置一个位置，因此下拉菜单在正确的一侧打开，其他一切都只是造型。

＆＃13;
＆＃13; 
.navbar.navbar-custom .navbar-upper {
    position: absolute;
    right: 0px;
}
.navbar.navbar-custom .navbar-upper .dropdown-menu {
    right: 0;
    left: auto;
}
＆＃13; 
/*NEW CSS RULES*/

.navbar.navbar-custom {
  padding-top: 5px;
  padding-bottom: 0;
}
.navbar.navbar-custom .navbar-upper {
  position: absolute;
  right: 0;
}
.navbar.navbar-custom .navbar-upper .dropdown-menu {
  right: 0;
  left: auto;
}
.navbar.navbar-custom .navbar-upper .navbar-btn.btn-drop {
  background: none;
  border: none;
  color: #bfd4d9;
}
.navbar.navbar-custom .navbar-brand {
  font-family: "Roboto", "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: bold;
  color: #bfd4d9;
  text-transform: uppercase;
  font-size: 28px;
}
/*Original CSS Starts Here*/

html,
body {
  height: 100%;
  font: 300 16px/22px"Roboto", "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
}
p {
  margin-left: 10px;
}
ul {
  margin: 0;
}
img {
  width: 100%;
}
.icon {
  max-width: 20px;
  margin: 0;
}
.form-group {
  margin-bottom: 0;
}
.messages {
  padding-bottom: 5px;
}
.message-right {
  text-align: right;
}
.message-left {
  text-align: left;
}
.messageText {
  border-color: transparent;
  border-radius: 15px;
  display: inline-block;
  padding: 6px;
}
.wrapMessage {
  width: 300px;
  word-break: break-word;
  text-align: left;
}
.messageTextFrom {
  background-color: aliceblue;
}
.messageTextTo {
  background-color: beige;
}
.chatWindow {
  height: 95vh;
  padding-left: 0;
}
.friendHeaders {
  font-size: 18px;
  padding-top: 10px;
  margin-left: 10px;
}
.friendSearch {
  width: 60%;
  display: inline;
  vertical-align: middle;
  float: right;
  margin: 8px 13px 5px 5px;
  max-height: 26px;
}
.friendRequests {
  border-bottom: 1px solid lightgray;
}
.friendRequest {
  border-top: 1px solid lightgray;
  padding: 10px;
}
.friendRequestOptions {
  display: inline;
}
.friendListWindow {
  height: 95vh;
  border-right: 1px solid lightgray;
  padding-right: 0;
}
.friendList {
  list-style: none;
  padding-left: 0;
}
.friendPanel {
  border-left: 0px;
  border-right: 0px;
  border-radius: 0px;
  padding: 10px 10px 10px 10px;
  margin-bottom: 0px;
}
.activeFriendPanel {
  background-color: #bfd4d9;
}
.friendArrow {
  float: right;
  color: #ddd;
}
.friendReqSent {
  display: inline-block;
  float: right;
  font-size: 16px;
  padding: 10px;
}
.friendButton {
  display: inline;
  padding: 0 10px 0 10px;
  float: right;
}
.messageList {
  height: 82.5vh;
  overflow: auto;
}
.friendScroll {
  height: 70vh;
  overflow: auto;
}
.unreadMessage {
  display: inline-block;
  background-color: lavender;
  border-radius: 10px;
  padding: 5px;
  color: black;
}
.loginFailed {
  float: left;
  color: white;
  margin-top: 3px;
  margin-right: 8px;
}
img {
  margin-top: 30px;
  margin-left: 24px;
}
.no-padding {
  padding: 0 !important;
  margin: 0 !important;
}
.form-control-inline {
  min-width: 0;
  width: auto;
  display: inline;
  vertical-align: middle;
  position: relative;
}
.input-display {
  width: 90%;
  display: inline;
  vertical-align: middle;
}
.button-display {
  width: 8%;
  display: inline;
  vertical-align: middle;
  text-align: center;
  border: none;
}
.windowTitle {
  border-bottom: 1px solid lightgray;
  padding: 5px 0px 5px 0px;
  font-size: 18px;
  font-weight: bold;
  margin-left: 0;
}
.btn {
  font-family: "Roboto", "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
}
.vertical-center {
  vertical-align: middle;
}
.friendButton {
  width: 8%;
  float: right;
  border: none;
  margin-left: 10px;
  padding-bottom: 5px;
}
.encryptionIndicator {
  display: inline-block;
  float: right;
  padding-right: 10px;
  cursor: pointer;
  font-size: 16px;
}
.encryptionOn {
  color: green;
}
.encryptionOff {
  color: red;
}
＆＃13;
＆＃13;
＆＃13;

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