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.$u.randomArray([1, 2, 3, 4, 5, 6, 7, 8, 9, 0]);
}
} else if (this.dotEnabled && this.mode == 'number') {
if (!this.random) {
return [1, 2, 3, 4, 5, 6, 7, 8, 9, this.dot, 0];
} else {
return this.$u.randomArray([1, 2, 3, 4, 5, 6, 7, 8, 9, this.dot, 0]);
}
} else if (this.mode == 'card') {
if (!this.random) {
return [1, 2, 3, 4, 5, 6, 7, 8, 9, this.cardX, 0];
} else {
return this.$u.randomArray([1, 2, 3, 4, 5, 6, 7, 8, 9, this.cardX, 0]);
}
}
},
// 按键的样式，在非乱序&&数字键盘&&不显示点按钮时，index为9时，按键占位两个空间
itemStyle() {
return index => {
let style = {};
if (this.mode == 'number' && !this.dotEnabled && index == 9) style.flex = '0 0 66.6666666666%';
return style;
};
},
// 是否让按键显示灰色，只在非乱序&&数字键盘&&且允许点按键的时候
btnBgGray() {
return index => {
if (!this.random && index == 9 && (this.mode != 'number' || (this.mode == 'number' && this.dotEnabled))) return true;
else return false;
};
},
hoverClass() {
return index => {
if (!this.random && index == 9 && (this.mode == 'number' && this.dotEnabled || this.mode == 'card')) return 'u-hover-class';
else return 'u-keyboard-hover';
}
}
},
methods: {
// 点击退格键
backspaceClick() {
this.$emit('backspace');
clearInterval(this.timer); //再次清空定时器，防止重复注册定时器
this.timer = null;
this.timer = setInterval(() => {
this.$emit('backspace');
}, 250);
},
clearTimer() {
clearInterval(this.timer);
this.timer = null;
},
// 获取键盘显示的内容
keyboardClick(val) {
// 允许键盘显示点模式和触发非点按键时，将内容转为数字类型
if (this.dotEnabled && val != this.dot && val != this.cardX) val = Number(val);
this.$emit('change', val);
}
}
};
</script>
<style lang="scss" scoped>
@import "../../libs/css/style.components.scss";
.u-keyboard {
position: relative;
z-index: 1003;
}
.u-keyboard-grids {
@include vue-flex;
flex-wrap: wrap;
}
.u-keyboard-grids-item {
flex: 0 0 33.3333333333%;
text-align: center;
font-size: 50rpx;
color: #333;
@include vue-flex;
align-items: center;
justify-content: center;
height: 110rpx;
font-weight: 500;
}
.u-bg-gray {
background-color: $u-border-color;
}
.u-keyboard-back {
font-size: 36rpx;
}
.u-keyboard-hover {
background-color: #e7e6eb;
}
</style>