小程序：自定义组件的实现方法及自定义组件与页…

  <view class='wx_dialog_container' hidden="{{!isShow}}">
    <view class='wx-mask' bindtap='close'></view>
    <view class='wx-dialog'>
      <text class='li' bindtap='groupClick' wx:for="{{items}}" data-index='{{index}}' wx:for-item="item">{{item.department}}</text> 
    </view>
  </view>

.wx_dialog_container{
  width: 100%;
  height: 100%;
  z-index: 999;
}
.wx-mask{
  position: fixed;
    z-index: 1000;
    top: 0;
    right: 0;
    left: 35%;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
}
.wx-dialog{
    position: fixed;
    min-width: 528rpx;
    height: 100%;
    left: 0;
    top:314px;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    background-color: #FFFFFF;
    text-align:left;
}
.wx-dialog .li{
    display: block;
    font-size: 18px;
    margin-top:28px;
    margin-left:154px;
}

Component({
  properties: {
    
  },
  data: {
    isShow: false,
    animationData: {},
    color:"#000",
    items:[
      { department: '研发部'},
      { department: '设计部' },
      { department: '人事部'},
      { department: '销售部' },
      { department: '市场运营部' },
    ]
  },

  methods: {
    show: function () {
      this.setData({
        isShow: true
      });
    },
  
    close: function () {
      this.setData({
        isShow: false
      })
    },

  // 自定义组件与页面之间的数据通信
    groupClick: function (e){
      var group = this.data.items[e.target.dataset.index]
      console.log(group)
      // 使用 triggerEvent 方法触发自定义组件事件，指定事件名、detail对象和事件选项
      this.triggerEvent('okEvent', { group}, {})
 
      
      this.setData({
        isShow: false

      })
    },
 
  },
})

{
  "component": true
}

  // 接受triggerEvent 方法触发的自定义组件事件来更新同步数据
  okEvent: function (e) {
    console.log(e)
    this.setData({
      groupName: e.detail.group.department
    })
    
  },

 onReady: function () {
    this.dialog = this.selectComponent('#dialog');
  },