//可是圓弧出來了,但是還是會有方角出現,挺難看的
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<gradient
android:startColor="@color/white"
android:endColor="@color/white"
android:angle="270" />
<corners android:radius="15dp" />
<stroke
android:width="5dp"
android:color="#989Fa8"
android:dashGap="0dp"
/>
</shape>
//查了很多最後只需一句代碼就可以了// onCreateView
getDialog().getWindow().setBackgroundDrawable(new ColorDrawable(0));