jQuery 处理Ctrl 和shift 实现多选功能

来源：互联网发布：java servlet 文件接口编辑：程序博客网时间：2024/06/06 00:51
<span style="font-size:18px;"><style type="text/css">    #list div,#list .on{        width:200px;        border: 1px solid #ddd;        margin: 2px;        cursor: pointer;    }    #list .on{        border: 1px solid red;        background-color: #fff731    }</style><div id="list">    <div>1</div>    <div>2</div>    <div>3</div>    <div>4</div>    <div>5</div>    <div>6</div>    <div>7</div>    <div>8</div></div><input type="text" id="tt" style="width:200px" /><script type="text/javascript">$(document).ready(function(){    var key=0;  //记录ctrl/shift键    var val=",";//记录已经选择的值    var ibe =-1; //记录初始值    $(window).keydown(function(e){        if(e.ctrlKey){            key=1;        }else if(e.shiftKey){            key=2;        }        $("#bb").val("初始值:"+ibe+" key:"+key);    }).keyup(function(){            key=0;    });    $("#list div").click(function(){        var i=$(this).index();        if(ibe!=-1&&key==2){            $(this).siblings().removeAttr("class");            val=",";            for(var ii=Math.min(i,ibe);ii<=Math.max(i,ibe);ii++){                val+=ii+",";                $("#list div").eq(ii).addClass("on");            }        }else if(key==1){            if(val.indexOf(","+i+",")!=-1){                val=val.replace(","+i+",",",");                $(this).removeAttr("class");            }else{                val+=i+",";                $(this).addClass("on");                ibe=i;            }        }else{            $(this).addClass("on").siblings().removeAttr("class");            ibe=i;            val=","+i+",";        }        $("#tt").val(val);    });});</script></span>
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