init project

component/actionSheet/actionSheet.js

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+// component/actionSheet/actionSheet.js
+Component({
+  /**
+   * 组件的属性列表
+   */
+  properties: {
+    value:{
+      type: Array,
+      value: []
+    }
+  },
+
+  /**
+   * 组件的初始数据
+   */
+  data: {
+
+  },
+
+  /**
+   * 组件的方法列表
+   */
+  methods: {
+    // 点击取消
+    cancel() {
+      this.triggerEvent('cancel', {}, {});
+    },
+
+    // 点击选择
+    click(e) {
+      let index = e.currentTarget.dataset.index;
+      this.triggerEvent('selected', this.data.value[index], {});
+    },
+
+    // 禁止背景滚动
+    unMove() {
+      return;
+    }
+  }
+})

component/actionSheet/actionSheet.json

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+{
+  "component": true,
+  "usingComponents": {}
+}

component/actionSheet/actionSheet.wxml

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+<!--component/actionSheet/actionSheet.wxml-->
+<view class='popup-box' catchtouchmove='unMove' catchtap='cancel'>
+  <view class='body'>
+    <view class='cell' wx:for="{{value}}" wx:key="{{index}}" catchtap='click' data-index='{{index}}'>{{item.label}}</view>
+    <view class='cell cancel' catchtap='cancel'>取消</view>
+  </view>
+</view>

component/actionSheet/actionSheet.wxss

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+/* component/actionSheet/actionSheet.wxss */
+
+.popup-box {
+  position: fixed;
+  top: 0;
+  left: 0;
+  display: flex;
+  align-items: flex-end;
+  width: 100%;
+  height: 100%;
+  background: rgba(0, 0, 0, 0.6);
+  z-index: 1;
+}
+
+.popup-box .body {
+  flex: 1;
+  background: #f5f5f5;
+}
+
+.popup-box .body .cell {
+  width: 100%;
+  height: 80rpx;
+  margin-bottom: 2rpx;
+  line-height: 80rpx;
+  text-align: center;
+  font-size: 26rpx;
+  background: #FFF;
+}
+
+.popup-box .body .cell.cancel {
+  margin-top: 8rpx;
+}