A标签-一个按钮样式

该文件引用jquery-1.11.3.js库

<!doctype html>

<html>

<head>

    <meta charset="UTF-8">

    <title>A标签样式</title>

    <style>

        .sel_btn{

            height: 21px;

            line-height: 21px;

            padding: 0 11px;

            background: #02bafa;

            border: 1px #26bbdb solid;

            border-radius: 3px;

            /*color: #fff;*/

            display: inline-block;

            text-decoration: none;

            font-size: 12px;

            outline: none;

        }

        .ch_cls{

            background: #e4e4e4;

        }

    </style>

    <script type="text/javascript" src="jquery-1.11.3.js"></script>

</head>

<body>

    &nbsp;&nbsp;&nbsp;&nbsp;

    <a class="sel_btn ch_cls" id="sel_btn1" href="#" onclick="changeSelBtn(1)">全天</a>

    <a class="sel_btn" id="sel_btn2" href="#" onclick="changeSelBtn(2)">上午</a>

    <a class="sel_btn" id="sel_btn3" href="#" onclick="changeSelBtn(3)">下午</a>

    <hr>

    <script type="text/javascript">

         function changeSelBtn(index){

            if(index==1){

                $("#sel_btn1").addClass('ch_cls');

                $("#sel_btn2").removeClass('ch_cls');

                $("#sel_btn3").removeClass('ch_cls');

            }else if(index==2){

                $("#sel_btn1").removeClass('ch_cls');

                $("#sel_btn2").addClass('ch_cls');

                $("#sel_btn3").removeClass('ch_cls');

            }else if(index==3){

                $("#sel_btn1").removeClass('ch_cls');

                $("#sel_btn2").removeClass('ch_cls');

                $("#sel_btn3").addClass('ch_cls');

            }

         }

    </script>

</body>

</html>

效果：

A标签-一个按钮样式-LMLPHP