微信小程序 下拉菜单简单实例

 /**DropDownMenu**/ /*总菜单容器*/ .menu { display: block; height: 28px; position: relative; } /*一级菜单*/ .menu dt { font-size: 15px; float: left; /*hack*/ width: 33%; height: 38px; border-right: 1px solid #d2d2d2; border-bottom: 1px solid #d2d2d2; text-align: center; background-color: #f4f4f4; color: #5a5a5a; line-height: 38px; z-index: 2; } /*二级菜单外部容器样式*/ .menu dd { position: absolute; width: 100%; margin-top: 40px; left: 0; z-index: -99; } /*二级菜单普通样式*/ .menu li { font-size: 14px; line-height: 34px; color: #575757; height: 34px; display: block; padding-left: 8px; background-color: #fff; border-bottom: 1px solid #dbdbdb; } /*二级菜单高亮样式*/ .menu li.highlight { background-color: #f4f4f4; color: #48c23d; } /* 显示与隐藏 */ .show { /*display: block;*/ visibility: visible; } .hidden { /*display: none;*/ visibility: hidden; } 

 
  
{{menuItem.reportType}}
 
 
{{chilItem.Name}}
 时间：{{dateValue}}

 //数据源 var ReportDataSync = [ { reportType: "日报1", chilItem: [ { ID: 1, Name: "日报1", ReportUrl: "DailyReport.aspx", Type: 1 }, { ID: 2, Name: "日报2", ReportUrl: "DailyReport.aspx", Type: 1 }, { ID: 3, Name: "日报3", ReportUrl: "DailyReport.aspx", Type: 1 }] }, { reportType: "目录2", chilItem: [ { ID: 1, Name: "目录1", ReportUrl: "DailyReport.aspx", Type: 2 }, { ID: 2, Name: "目录2", ReportUrl: "DailyReport.aspx", Type: 2 }, { ID: 3, Name: "目录3", ReportUrl: "DailyReport.aspx", Type: 2 }, { ID: 4, Name: "目录4", ReportUrl: "DailyReport.aspx", Type: 2 }] }, { reportType: "月报3", chilItem: [ { ID: 1, Name: "月报1", ReportUrl: "DailyReport.aspx", Type: 1 }, { ID: 2, Name: "月报2", ReportUrl: "DailyReport.aspx", Type: 2 }] } ] //定义字段 var initSubMenuDisplay = [] var initSubMenuHighLight = [] var initAnimationData = [] /// 初始化DropDownMenu loadDropDownMenu() that.setData({ reportData: ReportDataSync,//菜单数据 subMenuDisplay: initSubMenuDisplay, //一级 subMenuHighLight: initSubMenuHighLight, //二级 animationData: initAnimationData //动画 }) //一级菜单点击 tapMainMenu: function (e) { //获取当前一级菜单标识 var index = parseInt(e.currentTarget.dataset.index); //改变显示状态 for (var i = 0; i  /// 初始化DropDownMenu /// 1.一级目录 initSubMenuDisplay ：['hidden'] /// 2.二级目录 initSubMenuHighLight ：[['',''],['','','','']]] ///  function loadDropDownMenu() { for (var i = 0; i