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fix: input-number precision accuracy (#7398)

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Enhanced precision processing.
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Xc 2022-05-02 16:38:08 +08:00 committed by GitHub
parent d04c466e36
commit 654428d144
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2 changed files with 19 additions and 0 deletions
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13
packages/components/input-number/__tests__/input-number.test.ts
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@ -158,6 +158,19 @@ describe('InputNumber.vue', () => {
await wrapper.find('input').setValue(1.1111111111)
expect(wrapper.find('input').element.value).toEqual('1.11')
})
test('precision accuracy', async () => {
const wrapper = _mount({
template: '<el-input-number :precision="2" v-model="num" />',
setup() {
const num = ref(0)
return {
num,
}
},
})
await wrapper.find('input').setValue(17.275)
expect(wrapper.find('input').element.value).toEqual('17.28')
})
test('disabled', async () => {
const wrapper = _mount({
template: '<el-input-number :disabled="true" v-model="num" />',

6
packages/components/input-number/src/input-number.vue
View File

@ -153,6 +153,12 @@ export default defineComponent({
})
const toPrecision = (num: number, pre?: number) => {
if (isUndefined(pre)) pre = numPrecision.value
const digits = num.toString().split('.')
if (digits.length > 1) {
const integer = digits[0]
const decimal = Math.round(+digits[1] / 10 ** (digits[1].length - pre))
return Number.parseFloat(`${integer}.${decimal}`)
}
return Number.parseFloat(`${Math.round(num * 10 ** pre) / 10 ** pre}`)
}
const getPrecision = (value: number | undefined) => {