智慧宿舍系统小程序

wechat/miniprogram/miniprogram_npm/@vant/weapp/sidebar/index.js

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+'use strict';
+Object.defineProperty(exports, '__esModule', { value: true });
+var component_1 = require('../common/component');
+var relation_1 = require('../common/relation');
+component_1.VantComponent({
+  relation: relation_1.useChildren('sidebar-item', function () {
+    this.setActive(this.data.activeKey);
+  }),
+  props: {
+    activeKey: {
+      type: Number,
+      value: 0,
+      observer: 'setActive',
+    },
+  },
+  beforeCreate: function () {
+    this.currentActive = -1;
+  },
+  methods: {
+    setActive: function (activeKey) {
+      var _a = this,
+        children = _a.children,
+        currentActive = _a.currentActive;
+      if (!children.length) {
+        return Promise.resolve();
+      }
+      this.currentActive = activeKey;
+      var stack = [];
+      if (currentActive !== activeKey && children[currentActive]) {
+        stack.push(children[currentActive].setActive(false));
+      }
+      if (children[activeKey]) {
+        stack.push(children[activeKey].setActive(true));
+      }
+      return Promise.all(stack);
+    },
+  },
+});

wechat/miniprogram/miniprogram_npm/@vant/weapp/sidebar/index.json

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+{
+  "component": true
+}

wechat/miniprogram/miniprogram_npm/@vant/weapp/sidebar/index.wxml

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+<view class="van-sidebar custom-class">
+  <slot />
+</view>

wechat/miniprogram/miniprogram_npm/@vant/weapp/sidebar/index.wxss

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+@import '../common/index.wxss';.van-sidebar{width:80px;width:var(--sidebar-width,80px)}