Bootstrap 按钮下拉菜单

按钮下拉菜单

我们还可以创建下拉按钮,以从一个按钮有多个操作。

<!DOCTYPE html>
<html lang="en">
<head>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap.min.css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap-theme.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/js/bootstrap.min.js"></script> 
<style type="text/css">
    .bs-example{<!--from  www.w3cschool.cn-->
      margin: 20px;
    }
</style>
</head>
<body>
<div class="bs-example">
    <form>
        <div class="row">
            <div class="col-xs-6">
                <div class="input-group">
                    <div class="input-group-btn">
                        <button type="button" 
                                class="btn btn-default dropdown-toggle" 
                                data-toggle="dropdown">Action <span class="caret"></span></button>
                        <ul class="dropdown-menu">
                            <li><a href="#">Action</a></li>
                            <li><a href="#">Another action</a></li>
                            <li class="divider"></li>
                            <li><a href="#">Separated link</a></li>
                        </ul>
                    </div>
                    <input type="text" class="form-control">
                </div>
            </div>
            <div class="col-xs-6">
                <div class="input-group">
                    <input type="text" class="form-control">
                    <div class="input-group-btn">
                        <button type="button" 
                                class="btn btn-default dropdown-toggle" 
                                data-toggle="dropdown">Action <span class="caret"></span></button>
                        <ul class="dropdown-menu pull-right">
                            <li><a href="#">Action</a></li>
                            <li><a href="#">Another action</a></li>
                            <li class="divider"></li>
                            <li><a href="#">Separated link</a></li>
                        </ul>
                    </div>
                </div>
            </div>
        </div>
    </form>
    <hr>
    <form>
        <div class="input-group">
            <div class="input-group-btn">
                <button type="button" 
                        class="btn btn-default dropdown-toggle" 
                        data-toggle="dropdown">Action <span class="caret"></span></button>
                <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 class="divider"></li>
                    <li><a href="#">Separated link</a></li>
                </ul>
            </div>
            <input type="text" class="form-control">
        </div>
        <br>
        <div class="input-group">
            <input type="text" class="form-control">
            <div class="input-group-btn">
                <button type="button" 
                        class="btn btn-default dropdown-toggle" 
                        data-toggle="dropdown">Action <span class="caret"></span></button>
                <ul class="dropdown-menu pull-right">
                    <li><a href="#">Action</a></li>
                    <li><a href="#">Another action</a></li>
                    <li><a href="#">Something else here</a></li>
                    <li class="divider"></li>
                    <li><a href="#">Separated link</a></li>
                </ul>
            </div>
        </div>
    </form>
</div>
</body>
</html>

分段下拉按钮组

除了其他按钮之外,我们可以定义放置下拉按钮的分段下拉按钮组。

<!DOCTYPE html>
<html lang="en">
<head>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap.min.css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap-theme.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/js/bootstrap.min.js"></script> 
<style type="text/css">
    .bs-example{<!--from  www.w3cschool.cn-->
      margin: 20px;
    }
</style>
</head>
<body>
<div class="bs-example">
    <form>
        <div class="row">
            <div class="col-xs-6">
                <div class="input-group">
                    <div class="input-group-btn">
                        <button tabindex="-1"  
                                class="btn btn-default" 
                                type="button">Action</button>
                        <button tabindex="-1" 
                                data-toggle="dropdown" 
                                class="btn btn-default dropdown-toggle" type="button">
                            <span class="caret"></span>
                            <span class="sr-only">Toggle Dropdown</span>
                        </button>
                        <ul class="dropdown-menu">
                            <li><a href="#">Action</a></li>
                            <li><a href="#">Another action</a></li>
                            <li class="divider"></li>
                            <li><a href="#">Separated link</a></li>
                        </ul>
                    </div>
                    <input type="text" class="form-control">
                </div>
            </div>
            <div class="col-xs-6">
                <div class="input-group">
                    <input type="text" class="form-control">
                    <div class="input-group-btn">
                        <button tabindex="-1" class="btn btn-default" type="button">Action</button>
                        <button tabindex="-1" 
                                data-toggle="dropdown" 
                                class="btn btn-default dropdown-toggle" type="button">
                            <span class="caret"></span>
                            <span class="sr-only">Toggle Dropdown</span>
                        </button>
                        <ul class="dropdown-menu pull-right">
                            <li><a href="#">Action</a></li>
                            <li><a href="#">Another action</a></li>
                            <li class="divider"></li>
                            <li><a href="#">Separated link</a></li>
                        </ul>
                    </div>
                </div>
            </div>
        </div>
    </form>
    <hr>
    <form>
        <div class="input-group">
            <div class="input-group-btn">
                <button tabindex="-1" class="btn btn-default" type="button">Action</button>
                <button tabindex="-1" data-toggle="dropdown" 
                        class="btn btn-default dropdown-toggle" type="button">
                    <span class="caret"></span>
                    <span class="sr-only">Toggle Dropdown</span>
                </button>
                <ul class="dropdown-menu">
                    <li><a href="#">Action</a></li>
                    <li><a href="#">Another action</a></li>
                    <li class="divider"></li>
                    <li><a href="#">Separated link</a></li>
                </ul>
            </div>
            <input type="text" class="form-control">
        </div>
        <br>
        <div class="input-group">
            <input type="text" class="form-control">
            <div class="input-group-btn">
                <button tabindex="-1" class="btn btn-default" type="button">Action</button>
                <button tabindex="-1" data-toggle="dropdown" 
                        class="btn btn-default dropdown-toggle" type="button">
                    <span class="caret"></span>
                    <span class="sr-only">Toggle Dropdown</span>
                </button>
                <ul class="dropdown-menu pull-right">
                    <li><a href="#">Action</a></li>
                    <li><a href="#">Another action</a></li>
                    <li class="divider"></li>
                    <li><a href="#">Separated link</a></li>
                </ul>
            </div>
        </div>
    </form>
</div>
</body>
</html>


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