🎈 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))