digital 过滤调整

src/components/checked.vue

@@ -14,11 +14,23 @@ const emit = defineEmits([
 	'update:selected'
 ])
 const checkList = computed(()=>{
-	return [props.selected]
+	if(props.selected[0] === ''){
+		return props.list.map(item => item.value)
+	}else{
+		return [...props.selected]
+	}
 })
 const handleChange = (val) => {
-	if (val.length > 1) {
-		emit('update:selected', val[val.length - 1])
+	emit('update:selected', val)
+}
+const checkAll = computed(()=>{
+	return checkList.value.length === props.list.length
+})
+const handleCheckAllChange = (val) => {
+	if(val){
+		emit('update:selected', props.list.map(item => item.value))
+	}else{
+		emit('update:selected', [])
 	}
 }
 let data = reactive({
@@ -31,6 +43,14 @@ defineExpose({})
 const {} = toRefs(data);
 </script>
 <template>
+	<div class="all">
+		<el-checkbox
+			v-model="checkAll"
+			@change="handleCheckAllChange"
+		>
+			All
+		</el-checkbox>
+	</div>
 	<el-checkbox-group v-model="checkList" @change="handleChange">
 		<el-checkbox 
 			v-for="item in props.list" 
@@ -42,6 +62,9 @@ const {} = toRefs(data);
 	</el-checkbox-group>
 </template>
 <style lang="less" scoped>
+	.all{
+		margin-bottom: 1.2rem;
+	}
 	.el-checkbox-group{
 		display: flex;
 		flex-direction: column;