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<head><meta charset="utf-8"><title>按钮插件--按钮状态切换</title><link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css"><style> body{padding:10px;margin:10px} </style></head><body><div class="panel-group" id="accordion"> <div class="panel panel-default"> <div class="panel-heading"> <h4 class="panel-title"><a href="#aa1" data-toggle="collapse" data-parent="#accordion">标题一</a></h4> </div> <div class="panel-collapse collapse in" id="aa1"> <div class="panel-body">标题一对应的内容</div> </div> </div> <div class="panel panel-default"> <div class="panel-heading"> <h4 class="panel-title"><a href="#aa2" data-toggle="collapse" data-parent="#accordion" >标题二</a></h4> </div> <div class="panel-collapse collapse" id="aa2"> <div class="panel-body">标题二对应的内容</div> </div> </div> <div class="panel panel-default"> <div class="panel-heading"> <h4 class="panel-title"><a href="#aa3" data-toggle="collapse" data-parent="#accordion">标题三</a></h4> </div> <div class="panel-collapse collapse" id="aa3"> <div class="panel-body">标题三对应的内容</div> </div> </div></div> <script src="http://libs.baidu.com/jquery/1.9.0/jquery.js"></script> <script src="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script></body>
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