✨ feat(ID1000829):【临】剪版下单米数调整为0.3米，每次新增时，整数累加，不要0.3+1这样累加

src/components/counter/index.tsx

@@ -51,12 +51,21 @@ const CounterDisplayName = (props: params) => {
   useEffect(() => {
     setValue({ count: defaultNum })
   }, [defaultNum])
+
+  // 判断是否整数类型
+  function isInteger(obj) {
+    return (obj | 0) === obj
+  }
+
   const onPlus = () => {
     if (disabled) { return false }
     const count = value.count
     let num_res = Big(count).add(step).toNumber()
-    num_res = num_res >= maxNum ? maxNum : num_res
     num_res = formatDigits(num_res)
+    if (!isInteger(num_res)) {
+      num_res = Math.trunc(num_res)
+    }
+    num_res = num_res >= maxNum ? maxNum : num_res
     setValue({ ...value, count: num_res })
     onChange?.(parseFloat(num_res))
     onClickBtn?.(parseFloat(num_res))
@@ -64,11 +73,19 @@ const CounterDisplayName = (props: params) => {
   const minus = () => {
     if (disabled) { return false }
     const count = value.count
-    let num_res = Big(count).minus(step).toNumber()
+    let num_res = value.count
+    // let num_res = Big(count).minus(step).toNumber()
     if (returnZero) {
       num_res = num_res < minNum ? 0 : num_res
     }
     else {
+      // num_res = num_res < minNum ? minNum : num_res
+      if (!isInteger(num_res)) {
+        num_res = Math.trunc(num_res)
+      }
+      else {
+        num_res = Big(count).minus(step).toNumber()
+      }
       num_res = num_res < minNum ? minNum : num_res
     }
     setValue({ ...value, count: num_res })