From 83295e655da9ae2debbf2e7472753517d5b5241d Mon Sep 17 00:00:00 2001
From: chenjiahan <chenjiahan@youzan.com>
Date: Wed, 16 Feb 2022 12:00:32 +0800
Subject: [PATCH] feat(Picker): add getSelectedOptions method

---
 packages/vant/src/picker/Picker.tsx      | 4 +++-
 packages/vant/src/picker/README.md       | 7 ++++---
 packages/vant/src/picker/README.zh-CN.md | 7 ++++---
 packages/vant/src/picker/types.ts        | 1 +
 4 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/packages/vant/src/picker/Picker.tsx b/packages/vant/src/picker/Picker.tsx
index 86259a0f3..a57c35df2 100644
--- a/packages/vant/src/picker/Picker.tsx
+++ b/packages/vant/src/picker/Picker.tsx
@@ -285,7 +285,9 @@ export default defineComponent({
       { immediate: true }
     );
 
-    useExpose<PickerExpose>({ confirm });
+    const getSelectedOptions = () => selectedOptions.value;
+
+    useExpose<PickerExpose>({ confirm, getSelectedOptions });
 
     return () => (
       <div class={bem()}>
diff --git a/packages/vant/src/picker/README.md b/packages/vant/src/picker/README.md
index cc5e9f3b1..f933f0a4b 100644
--- a/packages/vant/src/picker/README.md
+++ b/packages/vant/src/picker/README.md
@@ -355,9 +355,10 @@ export default {
 
 Use [ref](https://v3.vuejs.org/guide/component-template-refs.html) to get Picker instance and call instance methods.
 
-| Name    | Description                           | Attribute | Return value |
-| ------- | ------------------------------------- | --------- | ------------ |
-| confirm | Stop scrolling and emit confirm event | -         | -            |
+| Name | Description | Attribute | Return value |
+| --- | --- | --- | --- |
+| confirm | Stop scrolling and emit confirm event | - | - |
+| getSelectedOptions | Get current selected options | - | _PickerOption[]_ |
 
 ### Types
 
diff --git a/packages/vant/src/picker/README.zh-CN.md b/packages/vant/src/picker/README.zh-CN.md
index ea30293b4..4f577f1c4 100644
--- a/packages/vant/src/picker/README.zh-CN.md
+++ b/packages/vant/src/picker/README.zh-CN.md
@@ -374,9 +374,10 @@ export default {
 
 通过 ref 可以获取到 Picker 实例并调用实例方法，详见[组件实例方法](#/zh-CN/advanced-usage#zu-jian-shi-li-fang-fa)。
 
-| 方法名  | 说明                              | 参数 | 返回值 |
-| ------- | --------------------------------- | ---- | ------ |
-| confirm | 停止惯性滚动并触发 `confirm` 事件 | -    | -      |
+| 方法名 | 说明 | 参数 | 返回值 |
+| --- | --- | --- | --- |
+| confirm | 停止惯性滚动并触发 `confirm` 事件 | - | - |
+| getSelectedOptions | 获取当前选中的选项 | - | _PickerOption[]_ |
 
 ### 类型定义
 
diff --git a/packages/vant/src/picker/types.ts b/packages/vant/src/picker/types.ts
index 635126330..b72e4105b 100644
--- a/packages/vant/src/picker/types.ts
+++ b/packages/vant/src/picker/types.ts
@@ -24,6 +24,7 @@ export type PickerColumn = PickerOption[];
 
 export type PickerExpose = {
   confirm: () => void;
+  getSelectedOptions: () => PickerOption[];
 };
 
 export type PickerColumnProvide = {