解决pc端选中效果

<style>

*{ margin:0; padding:0; list-style:none;}

body{ font:normal 14px/24px 'MicroSoft YaHei';}

.cotrs{ 960px; height:32px; line-height:32px; background:#999; margin:0 auto;}

.cotrs a{ height:32px; line-height:32px; color:#fff; text-decoration:none; padding:0px 10px; display:block; float:left;}

.cotrs a:hover{ text-decoration:none; background:#000;}

.cotrs a.thisclass{text-decoration:none; background:#000;}

</style>

<body>

</div>

</body>

 $(function(){
        var cotrs = $(".cotrs a");
        cotrs.click(function(){
            $(this).addClass("thisclass").siblings().removeClass("thisclass");
        });
    });

</script>