feat: Segmented组件添加click事件 (#301)

Co-authored-by: 李磊 <lilei@bmos.net.cn>

Author: ssuperlilei

docs/component/segmented.md

@@ -120,6 +120,7 @@ const list1 = ref([
 | 事件名称 | 说明                       | 参数        | 最低版本 |
 | -------- | -------------------------- | ----------- | -------- |
 | change   | 选项切换时触发             | `SegmentedOption` | 0.1.23   |
+| click   | 选项点击时触发             | `SegmentedOption` | $LOWEST_VERSION$   |
 
 ## Slots
 

src/uni_modules/wot-design-uni/components/wd-segmented/wd-segmented.vue

@@ -38,7 +38,7 @@ import { segmentedProps, type SegmentedInfo, type SegmentedOption } from './type
 const $item = '.wd-segmented__item'
 
 const props = defineProps(segmentedProps)
-const emit = defineEmits(['update:value', 'change'])
+const emit = defineEmits(['update:value', 'change', 'click'])
 
 const sectionItemInfo = reactive<SegmentedInfo>({
   width: 0,
@@ -130,6 +130,7 @@ function handleClick(option: string | number | SegmentedOption, index: number) {
   updateActiveStyle()
   emit('update:value', value)
   emit('change', isObj(option) ? option : { value })
+  emit('click', isObj(option) ? option : { value })
 }
 </script>