• js收缩菜单


    效果图:

    css代码:

     1 ul{
     2     padding:0;
     3     font-family:Microsoft Yahei;
     4 }
     5 ul li{
     6     list-style-type:none;
     7 }
     8 .new-menu{
     9     margin-top: 0px;
    10     margin-bottom:0px;
    11 }
    12 .new-menu>li{
    13     margin-bottom:2px;
    14 }
    15 .group-title{
    16     height:35px;
    17     line-height:35px;
    18     100%;
    19     font-size:14px;
    20     padding-left:10px;
    21     background:#F3F5F9;
    22     color:#333;
    23     cursor:pointer;
    24 }
    25 .title-minus{
    26     background:url("../../images/leftmenu/minus.png") no-repeat!important;
    27 }
    28 .title-plus{
    29     background:url("../../images/leftmenu/plus.png") no-repeat!important;
    30 }
    31 .title-name{
    32     margin-left:10px;
    33 }
    34 .title-mark{
    35     float:right;
    36     height:19px;
    37     margin-top:7px;
    38     line-height:35px;
    39     margin-right:10px;
    40     color:#D1D3DA;
    41      21px;
    42 }
    43 .collapse>li{
    44     color:#666;
    45     height:35px;
    46     line-height:35px;
    47     font-family:Microsoft Yahei;
    48     font-size:14px;
    49     cursor:pointer;
    50     text-align:left;
    51     border-bottom:solid 1px #f8f8f8;
    52     padding-left:35px;
    53 }
    54 .collapse>li:hover{
    55     color:#3a7dd2;
    56 }
    57 .collapse-active{
    58     background:#3a7dd2;
    59     color:#fff !important;
    60 }

    js代码:

     1 $(function(){
     2     leftMenu.hideEvent();
     3     leftMenu.bindEvent();
     4 });
     5 
     6 /**
     7  * 左边目录栏操作
     8  */
     9 var leftMenu={
    10         /**
    11          * 初始化隐藏
    12          */
    13         hideEvent : function(){
    14             $(".collapse").css("display","block");
    15             $("#first").nextAll().find("ul").css("display","none");
    16         },
    17         bindEvent : function(){
    18             /**
    19              * 主菜单的点击事件
    20              */
    21             $(".group-title").on("click", function() {
    22                 /*$(this).parent().find("ul").slideToggle(300,function(){
    23                     if($(this).css("display") == "none"){
    24                         $(this).prev().find("#mark").attr("class","fa fa-plus title-mark");
    25                     }else{
    26                         $(this).prev().find("#mark").attr("class","fa fa-minus title-mark");
    27                     }
    28                 });*/
    29                 if($(this).parent().find("ul").css("display") == "none"){
    30                     $(this).parent().find("ul").slideDown("fast");
    31                     $(this).find("#mark").attr("class","title-minus title-mark");
    32                     $(this).parent().siblings().find("ul").slideUp("fast");
    33                     $(this).parent().siblings().find("#mark").attr("class","title-plus title-mark");
    34                 }else{
    35                     $(this).parent().find("ul").slideUp("fast");
    36                     $(this).parent().find("#mark").attr("class","title-plus title-mark");
    37                 }
    38             });
    39 
    40             /**
    41              * 子菜单的点击事件
    42              */
    43             $(".collapse>li").on("click", function() {
    44                 $(this).addClass("collapse-active");
    45                 $(".collapse>li").not(this).removeClass("collapse-active");
    46                 $($("iframe")[0]).attr("src", $(this).attr("data-href"));
    47             });
    48         }
    49 }

    使用范例:

     1 <ul class="new-menu">
     2  2     <li class="accordion-group" id="first">
     3  3         <div class="group-title"><i class="fa fa-database"></i><b class="title-name">一级菜单A</b><span id="mark" class="title-minus title-mark"></span></div>
     4  4             <ul class="collapse">
     5  5                 <li class="collapse-active" data-href="">
     6  6                     二级菜单A
     7  7                 </li>
     8  8                 <li data-href="">
     9  9                     二级菜单B
    10 10                 </li>
    11 11             </ul>
    12 12     </li>
    13 13     <li class="accordion-group">
    14 14         <div class="group-title"><i class="fa fa-cog"></i><b class="title-name">一级菜单B</b><span id="mark" class="title-plus title-mark"></span></div>
    15 15             <ul class="collapse">
    16 16                 <li data-href="">
    17 17                     二级菜单C
    18 18                 </li>
    19 19                 <li data-href="">
    20 20                     二级菜单D
    21 21                 </li>
    22 22                         
    23 23             </ul>
    24 24     </li>
    25 25 </ul>

     所需图标:

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  • 原文地址:https://www.cnblogs.com/eyrezhang/p/5592929.html
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