分类筛选优化

src/components/shopCart/index.tsx

@@ -23,6 +23,7 @@ export default ({show = false, onClose}: param) => {
     const [loading, setLoading] = useState(false)
 
     useEffect(() => {
+        if(!show) return 
         let lists:any[] = []
         for(let i = 0; i < 20; i++) {
             lists = [...lists, {
@@ -33,6 +34,12 @@ export default ({show = false, onClose}: param) => {
             }]
         }
         setList([...lists])
+    }, [show])
+
+    useEffect(() => {
+        return () => {
+            setList([])
+        }
     }, [])
 
     const [showPopup, setShowPopup] = useState(false)
@@ -104,7 +111,7 @@ export default ({show = false, onClose}: param) => {
                     </View>
                     <View className={styles.con}>
                         {loading&&<LoadingCard/>}
-                        {!loading&&list.length > 0&&<InfiniteScroll selfonScrollToLower={() => {console.log('触底了')}}>
+                        {!loading&&list.length > 0&&<InfiniteScroll selfonScrollToLower={() => {console.log('触底了')}} paddingBottom={100}>
                             <View className={styles.product_list}>
                                 {list.map((item, index) => {
                                     return <View key={index} className={styles.product_item}>