185 lines
3.7 KiB
Vue
185 lines
3.7 KiB
Vue
<template>
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<view class="y-f" style="height: 55vh">
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<view class="weight">
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<view class="weight-data">{{ nums }}</view>
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</view>
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<view class="keyboard-container">
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<view class="keypad">
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<view
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class="oner"
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:style="getListItemStyle(index)"
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v-for="(item, index) in numbers"
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:key="'num_' + index"
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@click="changeNums(item, index)"
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>
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{{ item.text }}
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</view>
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</view>
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<view class="func-pad">
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<view @click="jianshao()" class="oner flex1">
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<u-icon name="arrow-leftward" bold></u-icon>
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</view>
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<view @click="setNull()" class="oner flex1 mt10 mb10">清空</view>
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<view class="oner confirm" @click="ok()">确认</view>
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</view>
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</view>
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</view>
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</template>
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<script setup>
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import { ref, computed } from 'vue'
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// Props
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const props = defineProps({
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numKeyboardParam: {
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type: Object,
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default: () => null
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}
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})
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// Emits（虽然你用的是 uni.$emit，但也可以定义 emit 用于规范）
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// const emit = defineEmits(['keyboardOK'])
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// Data
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const nums = ref('')
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const numbers = ref([
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{ text: '1' },
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{ text: '2' },
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{ text: '3' },
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{ text: '4' },
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{ text: '5' },
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{ text: '6' },
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{ text: '7' },
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{ text: '8' },
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{ text: '9' },
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{ text: '0' },
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{ text: '-' },
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{ text: '.' }
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])
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// Methods
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const ok = () => {
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const val = { val: nums.value }
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nums.value = ''
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if (val.val) {
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uni.$emit('keyboardOK', val)
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}
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}
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const setNull = () => {
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nums.value = ''
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uni.$emit('keyboardOK', null)
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}
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const clearNum = () => {
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nums.value = ''
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}
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const jianshao = () => {
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if (nums.value) {
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nums.value = nums.value.substring(0, nums.value.length - 1)
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}
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}
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const changeNums = (item, index) => {
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const inputChar = item.text
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// 处理负号 '-'
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if (inputChar === '-') {
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// 只允许在输入为空时输入负号（即只能作为第一个字符）
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if (nums.value === '') {
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nums.value = '-'
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}
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return // 无论是否成功，都不继续处理
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}
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if (inputChar === '.') {
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// 不能以 '.' 开头（除非已有负号）
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if (nums.value === '' || nums.value === '-') {
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return false
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}
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// 已存在小数点则不允许再输入
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if (nums.value.indexOf('.') !== -1) {
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return false
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}
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}
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// 检查小数位数限制
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let decimal = props.numKeyboardParam?.decimal ?? -1
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const parts = nums.value.split('.')
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if (parts.length === 2 && decimal !== -1) {
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if (parts[1].length >= decimal) {
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return false
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}
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}
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nums.value += inputChar
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}
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const getListItemStyle = index => {
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return {
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background: numbers.value[index]?.background || ''
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}
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}
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defineExpose({ clearNum })
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</script>
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<style lang="scss" scoped>
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.keyboard-container {
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flex: 5;
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width: 100%;
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display: flex;
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justify-content: center;
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align-items: center;
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background-color: rgba(232, 232, 232, 0.98);
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}
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.keypad {
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display: grid;
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grid-template-columns: repeat(3, 1fr);
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grid-auto-rows: 1fr;
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gap: 10px;
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padding: 10px;
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flex: 4;
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height: 95%;
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}
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.oner {
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width: 95%;
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font-size: 20px;
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border: none;
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border-radius: 5px;
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background-color: #ffffff;
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display: flex;
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justify-content: center;
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align-items: center;
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box-sizing: border-box;
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}
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.func-pad {
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height: 100%;
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display: flex;
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padding: 10px 10px 10px 0;
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flex-direction: column;
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flex: 1;
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box-sizing: border-box;
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}
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.confirm {
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flex: 2;
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color: #ffffff;
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background-color: #19be6b;
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}
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.weight {
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width: 100%;
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background-color: #2c405a;
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flex: 1;
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padding: 8px;
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box-sizing: border-box;
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}
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.weight-data {
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color: #4cd964;
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text-align: right;
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letter-spacing: 5px;
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font-size: 50px;
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font-family: zzjc-lcd;
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height: 40px;
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}
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</style>
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