<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" >
    <!-- 背景色 -->
    <solid android:color="@color/white"/>
    <!-- 边框色 -->
    <stroke android:width="1dip" android:color="@color/platform_default_button_bg" />
    //圆角
    <corners android:radius="4dp" />
</shape>