feat(ActionSheet): add custom-style & overlay-style props (#2248)

packages/action-sheet/README.md

@@ -90,6 +90,8 @@ Page({
 | z-index | z-index 层级 | `Number` | `100` |
 | cancel-text | 取消按钮文字 | `String` | - |
 | overlay | 是否显示遮罩层 | `Boolean` | - |
+| custom-style | 自定义弹出层样式 | `String` | `` |
+| overlay-style | 自定义背景蒙层样式 | `String` | `` |
 | close-on-click-overlay | 点击遮罩是否关闭菜单 | `Boolean` | - |
 | safe-area-inset-bottom | 是否为 iPhoneX 留出底部安全距离 | `Boolean` | `true` |
 

packages/action-sheet/index.ts

@@ -9,6 +9,8 @@ VantComponent({
     show: Boolean,
     title: String,
     cancelText: String,
+    customStyle: String,
+    overlayStyle: String,
     zIndex: {
       type: Number,
       value: 100

packages/action-sheet/index.wxml

@@ -5,6 +5,8 @@
   position="bottom"
   z-index="{{ zIndex }}"
   overlay="{{ overlay }}"
+  custom-style="{{ customStyle }}"
+  overlay-style="{{ overlayStyle }}"
   custom-class="van-action-sheet"
   safe-area-inset-bottom="{{ safeAreaInsetBottom }}"
   close-on-click-overlay="{{ closeOnClickOverlay }}"