fix(numeric): 解决bug: 设置数值精度后无法输入小数点; 超出小数位数后裁剪值不对. (#270)

packages/renderless/src/common/bigInt.ts

@@ -188,6 +188,7 @@ export class BigIntDecimal {
       this.integer = BigInt(numbers[0])
       const decimalStr = numbers[1] || '0'
       this.decimal = convertBigInt(decimalStr)
+      this.decimalLen = decimalStr.length
     } else {
       this.nan = true
     }

packages/renderless/src/numeric/index.ts

@@ -263,7 +263,6 @@ export const handleInput = ({ state, api, emit, props }) => (event) => {
   event.target.value = isNull(value) ? '' : value
   state.lastInput = value
   state.userInput = value
-  api.setCurrentValue(value === '-' ? 0 : value)
 }
 
 export const handleInputChange = ({ api }) => (event) => {