frontend/examking-app/plugins/uview-ui/components/u-number-keyboard/u-number-keyboard.vue

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<template>
	<view class="u-keyboard" @touchmove.stop.prevent="() => {}">
		<view class="u-keyboard-grids">
			<view
			    class="u-keyboard-grids-item"
			    :class="[btnBgGray(index) ? 'u-bg-gray' : '', index <= 2 ? 'u-border-top' : '', index < 9 ? 'u-border-bottom' : '', (index + 1) % 3 != 0 ? 'u-border-right' : '']"
			    :style="[itemStyle(index)]"
			    v-for="(item, index) in numList"
			    :key="index"
			    :hover-class="hoverClass(index)"
			    :hover-stay-time="100"
			    @tap="keyboardClick(item)">
				<view class="u-keyboard-grids-btn">{{ item }}</view>
			</view>
			<view class="u-keyboard-grids-item u-bg-gray" hover-class="u-hover-class" :hover-stay-time="100" @touchstart.stop="backspaceClick"
			    @touchend="clearTimer">
				<view class="u-keyboard-back u-keyboard-grids-btn">
					<u-icon name="backspace" :size="38" :bold="true"></u-icon>
				</view>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		props: {
			// 键盘的类型，number-数字键盘，card-身份证键盘
			mode: {
				type: String,
				default: 'number'
			},
			// 是否显示键盘的"."符号
			dotEnabled: {
				type: Boolean,
				default: true
			},
			// 是否打乱键盘按键的顺序
			random: {
				type: Boolean,
				default: false
			}
		},
		data() {
			return {
				backspace: 'backspace', // 退格键内容
				dot: '.', // 点
				timer: null, // 长按多次删除的事件监听
				cardX: 'X' // 身份证的X符号
			};
		},
		computed: {
			// 键盘需要显示的内容
			numList() {
				let tmp = [];
				if (!this.dotEnabled && this.mode == 'number') {
					if (!this.random) {
						return [1, 2, 3, 4, 5, 6, 7, 8, 9, 0];
					} else {
						return this.$u.randomArray([1, 2, 3, 4, 5, 6, 7, 8, 9, 0]);