🎈 perf(优化):

src/components/counter/index.tsx

@@ -13,13 +13,26 @@ type params = {
   onClickBtn?: (val: number) => void
   unit?: string
   disabled?: true | false //是否禁用
+  returnZero?: true | false //少于最小值时是否归0
 }
 export default memo((props: params) => {
   return <Counter {...props}></Counter>
 })
 
 const Counter = memo((props: params) => {
-  let { minNum = 0, maxNum = 10000, step = 1, digits = 0, defaultNum = 0, onChange, onBlue, onClickBtn, unit = '', disabled = false } = props
+  let {
+    minNum = 0,
+    maxNum = 10000,
+    step = 1,
+    digits = 0,
+    defaultNum = 0,
+    onChange,
+    onBlue,
+    onClickBtn,
+    returnZero = false,
+    unit = '',
+    disabled = false,
+  } = props
   const [value, setValue] = useState<any>({ count: defaultNum })
   useEffect(() => {
     setValue({ count: defaultNum })
@@ -38,7 +51,11 @@ const Counter = memo((props: params) => {
     if (disabled) return false
     let count = value.count
     let num_res = Big(count).minus(step).toNumber()
-    num_res = num_res < minNum ? minNum : num_res
+    if (returnZero) {
+      num_res = num_res < minNum ? 0 : num_res
+    } else {
+      num_res = num_res < minNum ? minNum : num_res
+    }
     setValue({ ...value, count: num_res })
     onChange?.(parseFloat(num_res))
     onClickBtn?.(parseFloat(num_res))

src/components/shopCart/index.tsx

@@ -303,6 +303,11 @@ export default ({ show = false, onClose, intoStatus = 'shop', default_sale_mode
     setShowLabImage(() => false)
   }, [])
 
+  const goShop = useCallback(() => {
+    onClose?.()
+    goLink('/pages/index/index', null, 'switchTab')
+  }, [])
+
   return (
     <View className={styles.shop_cart_main}>
       <Popup showTitle={false} show={showPopup} onClose={() => closePopup()}>
@@ -341,7 +346,7 @@ export default ({ show = false, onClose, intoStatus = 'shop', default_sale_mode
             {!loading && listData?.length == 0 && (
               <View className={styles.empty}>
                 <View className={styles.title}>暂未选择商品</View>
-                <View className={styles.btn} onClick={() => goLink('/pages/index/index', null, 'switchTab')}>
+                <View className={styles.btn} onClick={goShop}>
                   去选购
                 </View>
               </View>