You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
90 lines
2.1 KiB
90 lines
2.1 KiB
|
|
<cn>
|
|
#### 输入时格式化展示
|
|
结合 [Tooltip](/components/tooltip-cn/) 组件，实现一个数值输入框，方便内容超长时的全量展现。
|
|
</cn>
|
|
|
|
<us>
|
|
#### Format Tooltip Input
|
|
You can use the Input in conjunction with [Tooltip](/components/tooltip/) component to create a Numeric Input, which can provide a good experience for extra-long content display.
|
|
</us>
|
|
|
|
```html
|
|
<template>
|
|
<a-tooltip
|
|
:trigger="['focus']"
|
|
placement="topLeft"
|
|
overlayClassName="numeric-input"
|
|
>
|
|
<span slot="title" v-if="value" class="numeric-input-title">
|
|
{{value !== '-' ? formatNumber(value) : '-'}}
|
|
</span>
|
|
<template slot="title" v-else>
|
|
Input a number
|
|
</template>
|
|
<a-input
|
|
:value="value"
|
|
@change="onChange"
|
|
@blur="onBlur"
|
|
placeholder="Input a number"
|
|
maxLength="25"
|
|
style="width: 120px"
|
|
/>
|
|
</a-tooltip>
|
|
</template>
|
|
<script>
|
|
function formatNumber (value) {
|
|
value += ''
|
|
const list = value.split('.')
|
|
const prefix = list[0].charAt(0) === '-' ? '-' : ''
|
|
let num = prefix ? list[0].slice(1) : list[0]
|
|
let result = ''
|
|
while (num.length > 3) {
|
|
result = `,${num.slice(-3)}${result}`
|
|
num = num.slice(0, num.length - 3)
|
|
}
|
|
if (num) {
|
|
result = num + result
|
|
}
|
|
return `${prefix}${result}${list[1] ? `.${list[1]}` : ''}`
|
|
}
|
|
|
|
export default {
|
|
data () {
|
|
return {
|
|
value: '',
|
|
}
|
|
},
|
|
methods: {
|
|
formatNumber,
|
|
onChange (e) {
|
|
const { value } = e.target
|
|
const reg = /^-?(0|[1-9][0-9]*)(\.[0-9]*)?$/
|
|
if ((!isNaN(value) && reg.test(value)) || value === '' || value === '-') {
|
|
this.value = value
|
|
}
|
|
},
|
|
// '.' at the end or only '-' in the input box.
|
|
onBlur () {
|
|
const { value, onChange } = this
|
|
if (value.charAt(value.length - 1) === '.' || value === '-') {
|
|
onChange({ value: value.slice(0, -1) })
|
|
}
|
|
},
|
|
},
|
|
}
|
|
</script>
|
|
<style>
|
|
/* to prevent the arrow overflow the popup container,
|
|
or the height is not enough when content is empty */
|
|
.numeric-input .ant-tooltip-inner {
|
|
min-width: 32px;
|
|
min-height: 37px;
|
|
}
|
|
|
|
.numeric-input .numeric-input-title {
|
|
font-size: 14px;
|
|
}
|
|
</style>
|
|
```
|