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feat(number): add decimal limit #1865

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Original file line number Diff line number Diff line change
Expand Up @@ -109,6 +109,28 @@ describe('d-input-number', () => {
wrapper.unmount();
});

it('decimal limit', async () => {
const num = ref(1);
const wrapper = mount({
setup() {
return () => <DInputNumber v-model={num.value} decimalLimit={2}></DInputNumber>;
},
});

const inputInner = wrapper.find(ns.e('input-box'));
expect((inputInner.element as HTMLInputElement).value).toBe('1');

num.value = 1.23456;
await nextTick();
expect((inputInner.element as HTMLInputElement).value).toBe('1.23');

num.value = 1.99999;
await nextTick();
expect((inputInner.element as HTMLInputElement).value).toBe('1.99');

wrapper.unmount();
});

it('size', async () => {
const num = ref(1);
const wrapper = mount({
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,9 @@ export const inputNumberProps = {
type: Boolean,
default: true,
},
decimalLimit: {
type: Number,
},
} as const;

export type InputNumberProps = ExtractPropTypes<typeof inputNumberProps>;
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1 change: 1 addition & 0 deletions packages/devui-vue/devui/input-number/src/input-number.tsx
Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@ export default defineComponent({
</div>
<div class={inputWrapClass.value}>
<input
type="number"
ref={inputRef}
value={inputVal.value}
placeholder={props.placeholder}
Expand Down
18 changes: 18 additions & 0 deletions packages/devui-vue/devui/input-number/src/use-input-number.ts
Original file line number Diff line number Diff line change
Expand Up @@ -84,6 +84,13 @@ export function useEvent(props: InputNumberProps, ctx: SetupContext, inputRef: R
}
});

const decimalLimit = computed(() => {
if (isUndefined(props.decimalLimit)) {
return null;
}
return props.decimalLimit;
});

const inputVal = computed(() => {
if (!isUndefined(state.userInputValue)) {
return state.userInputValue;
Expand Down Expand Up @@ -132,6 +139,17 @@ export function useEvent(props: InputNumberProps, ctx: SetupContext, inputRef: R
if (newVal > max.value || newVal < min.value) {
newVal = newVal > max.value ? max.value : min.value;
}

// 精度限制存在才做限制
if (decimalLimit.value) {
const splitVal = newVal.toString().split('.');
if (splitVal.length > 1) {
const decimalVal = splitVal[1];
if (decimalVal.length > decimalLimit.value) {
newVal = Number.parseFloat(newVal.toFixed(decimalLimit.value));
}
}
}
return newVal;
};

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55 changes: 41 additions & 14 deletions packages/devui-vue/docs/components/input-number/index.md
Original file line number Diff line number Diff line change
Expand Up @@ -190,7 +190,7 @@ export default defineComponent({
<div>
<div class="space">reg</div>
<d-input-number v-model="num1" :reg="reg"></d-input-number>

<div class="space">regStr</div>
<d-input-number v-model="num2" :reg="regStr"></d-input-number>
</div>
Expand All @@ -208,7 +208,7 @@ export default defineComponent({
num1,
num2,
reg,
regStr
regStr,
};
},
});
Expand All @@ -223,20 +223,47 @@ export default defineComponent({

:::

### 限制小数

:::demo 设置 `decimalLimit` 属性可以限制小数位数。设置此参数后会将所有小数点后面的数字截断,而不是四舍五入。

```vue
<template>
<div>
<d-input-number v-model="num" :decimalLimit="1" :step="0.1"></d-input-number>
</div>
</template>
<script>
import { defineComponent, ref } from 'vue';

export default defineComponent({
setup() {
const num = ref(3.9);
return {
num,
};
},
});
</script>
```

:::

### InputNumber 参数

| 参数名 | 类型 | 默认值 | 说明 | 跳转 Demo |
|:------------|:----------------|:-----------|:-------------------|:-------------------|
| v-model | `number` | -- | 可选,文本框的值 | [基本用法](#基本用法) |
| step | `number` | 1 | 可选,步数 | [步数](#步数) |
| placeholder | `string` | -- | 可选,文本框 placeholder | [基本用法](#基本用法) |
| max | `number` | Infinity | 可选,输入框的最大值 max | [数值范围](#数值范围) |
| min | `number` | -Infinity | 可选,输入框的最小值 min | [数值范围](#数值范围) |
| disabled | `boolean` | false | 可选,文本框是否被禁用 | [禁用状态](#禁用状态) |
| precision | `number` | -- | 可选,数值精度 | [精度](#精度) |
| size | [ISize](#isize) | 'md' | 可选,文本框尺寸 | [尺寸](#尺寸) |
| reg | `RegExp\| string` | -- | 可选,用于限制输入的正则或正则字符串 | [正则限制](#正则限制)|
|show-glow-style|`boolean`|true|可选,是否展示悬浮发光效果||
| 参数名 | 类型 | 默认值 | 说明 | 跳转 Demo |
| :-------------- | :---------------- | :-------- | :----------------------------------- | :-------------------- |
| v-model | `number` | -- | 可选,文本框的值 | [基本用法](#基本用法) |
| step | `number` | 1 | 可选,步数 | [步数](#步数) |
| placeholder | `string` | -- | 可选,文本框 placeholder | [基本用法](#基本用法) |
| max | `number` | Infinity | 可选,输入框的最大值 max | [数值范围](#数值范围) |
| min | `number` | -Infinity | 可选,输入框的最小值 min | [数值范围](#数值范围) |
| disabled | `boolean` | false | 可选,文本框是否被禁用 | [禁用状态](#禁用状态) |
| precision | `number` | -- | 可选,数值精度 | [精度](#精度) |
| decimalLimit | `number` | -- | 可选,限制小数长度 | [限制小数](#限制小数) |
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| size | [ISize](#isize) | 'md' | 可选,文本框尺寸 | [尺寸](#尺寸) |
| reg | `RegExp\| string` | -- | 可选,用于限制输入的正则或正则字符串 | [正则限制](#正则限制) |
| show-glow-style | `boolean` | true | 可选,是否展示悬浮发光效果 | |

### InputNumber 事件

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