小程序源码

source/wx/xzs-student/component/iView/cell-group/index.js

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+Component({
+    externalClasses: ['i-class'],
+
+    relations: {
+        '../cell/index': {
+            type: 'child',
+            linked () {
+                this._updateIsLastCell();
+            },
+            linkChanged () {
+                this._updateIsLastCell();
+            },
+            unlinked () {
+                this._updateIsLastCell();
+            }
+        }
+    },
+
+    methods: {
+        _updateIsLastCell() {
+            let cells = this.getRelationNodes('../cell/index');
+            const len = cells.length;
+
+            if (len > 0) {
+                let lastIndex = len - 1;
+
+                cells.forEach((cell, index) => {
+                    cell.updateIsLastCell(index === lastIndex);
+                });
+            }
+        }
+    }
+});

source/wx/xzs-student/component/iView/cell-group/index.json

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+{
+  "component": true
+}

source/wx/xzs-student/component/iView/cell-group/index.wxml

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+<view class="i-class i-cell-group">
+    <slot></slot>
+</view>