<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item>
        <shape>
            <!--    边框颜色    -->
            <solid android:color="@color/divider" />
        </shape>
    </item>
    <!--    边框位置和粗细    -->
    <item android:top="1dp">
        <shape>
            <!--    背景颜色    -->
            <solid android:color="@color/white" />
        </shape>
    </item>
</layer-list>