<template>
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<view class="u-keyboard" @touchmove.stop.prevent="() => {}">
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<view class="u-keyboard-grids">
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<view
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class="u-keyboard-grids-item"
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:class="[btnBgGray(index) ? 'u-bg-gray' : '', index <= 2 ? 'u-border-top' : '', index < 9 ? 'u-border-bottom' : '', (index + 1) % 3 != 0 ? 'u-border-right' : '']"
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:style="[itemStyle(index)]"
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v-for="(item, index) in numList"
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:key="index"
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:hover-class="hoverClass(index)"
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:hover-stay-time="100"
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@tap="keyboardClick(item)">
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<view class="u-keyboard-grids-btn">{{ item }}</view>
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</view>
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<view class="u-keyboard-grids-item u-bg-gray" hover-class="u-hover-class" :hover-stay-time="100" @touchstart.stop="backspaceClick"
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@touchend="clearTimer">
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<view class="u-keyboard-back u-keyboard-grids-btn">
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<u-icon name="backspace" :size="38" :bold="true"></u-icon>
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</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>
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export default {
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props: {
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// 键盘的类型，number-数字键盘，card-身份证键盘
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mode: {
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type: String,
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default: 'number'
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},
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// 是否显示键盘的"."符号
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dotEnabled: {
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type: Boolean,
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default: true
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},
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// 是否打乱键盘按键的顺序
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random: {
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type: Boolean,
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default: false
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}
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},
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data() {
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return {
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backspace: 'backspace', // 退格键内容
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dot: '.', // 点
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timer: null, // 长按多次删除的事件监听
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cardX: 'X' // 身份证的X符号
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};
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},
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computed: {
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// 键盘需要显示的内容
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numList() {
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let tmp = [];
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if (!this.dotEnabled && this.mode == 'number') {
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if (!this.random) {
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return [1, 2, 3, 4, 5, 6, 7, 8, 9, 0];
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} else {
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return this.$u.randomArray([1, 2, 3, 4, 5, 6, 7, 8, 9, 0]);
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}
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} else if (this.dotEnabled && this.mode == 'number') {
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if (!this.random) {
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return [1, 2, 3, 4, 5, 6, 7, 8, 9, this.dot, 0];
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} else {
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return this.$u.randomArray([1, 2, 3, 4, 5, 6, 7, 8, 9, this.dot, 0]);
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}
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} else if (this.mode == 'card') {
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if (!this.random) {
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return [1, 2, 3, 4, 5, 6, 7, 8, 9, this.cardX, 0];
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} else {
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return this.$u.randomArray([1, 2, 3, 4, 5, 6, 7, 8, 9, this.cardX, 0]);
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}
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}
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},
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// 按键的样式，在非乱序&&数字键盘&&不显示点按钮时，index为9时，按键占位两个空间
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itemStyle() {
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return index => {
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let style = {};
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if (this.mode == 'number' && !this.dotEnabled && index == 9) style.flex = '0 0 66.6666666666%';
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return style;
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};
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},
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// 是否让按键显示灰色，只在非乱序&&数字键盘&&且允许点按键的时候
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btnBgGray() {
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return index => {
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if (!this.random && index == 9 && (this.mode != 'number' || (this.mode == 'number' && this.dotEnabled))) return true;
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else return false;
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};
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},
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hoverClass() {
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return index => {
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if (!this.random && index == 9 && (this.mode == 'number' && this.dotEnabled || this.mode == 'card')) return 'u-hover-class';
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else return 'u-keyboard-hover';
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}
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}
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},
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methods: {
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// 点击退格键
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backspaceClick() {
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this.$emit('backspace');
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clearInterval(this.timer); //再次清空定时器，防止重复注册定时器
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this.timer = null;
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this.timer = setInterval(() => {
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this.$emit('backspace');
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}, 250);
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},
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clearTimer() {
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clearInterval(this.timer);
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this.timer = null;
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},
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// 获取键盘显示的内容
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keyboardClick(val) {
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// 允许键盘显示点模式和触发非点按键时，将内容转为数字类型
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if (this.dotEnabled && val != this.dot && val != this.cardX) val = Number(val);
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this.$emit('change', val);
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}
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}
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};
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</script>
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<style lang="scss" scoped>
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@import "../../libs/css/style.components.scss";
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.u-keyboard {
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position: relative;
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z-index: 1003;
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}
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.u-keyboard-grids {
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@include vue-flex;
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flex-wrap: wrap;
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}
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.u-keyboard-grids-item {
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flex: 0 0 33.3333333333%;
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text-align: center;
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font-size: 50rpx;
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color: #333;
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@include vue-flex;
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align-items: center;
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justify-content: center;
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height: 110rpx;
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font-weight: 500;
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}
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.u-bg-gray {
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background-color: $u-border-color;
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}
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.u-keyboard-back {
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font-size: 36rpx;
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}
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.u-keyboard-hover {
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background-color: #e7e6eb;
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}
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</style>
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