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311 lines
7.9 KiB
311 lines
7.9 KiB
<template> |
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<view class="u-char-box"> |
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<view class="u-char-flex"> |
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<input :disabled="disabledKeyboard" :value="valueModel" type="number" :focus="focus" :maxlength="maxlength" class="u-input" @input="getVal"/> |
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<view v-for="(item, index) in loopCharArr" :key="index"> |
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<view :class="[breathe && charArrLength == index ? 'u-breathe' : '', 'u-char-item', |
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charArrLength === index && mode == 'box' ? 'u-box-active' : '', |
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mode === 'box' ? 'u-box' : '']" :style="{ |
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fontWeight: bold ? 'bold' : 'normal', |
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fontSize: fontSize + 'rpx', |
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width: width + 'rpx', |
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height: width + 'rpx', |
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color: inactiveColor, |
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borderColor: charArrLength === index && mode == 'box' ? activeColor : inactiveColor |
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}"> |
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<view class="u-placeholder-line" :style="{ |
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display: charArrLength === index ? 'block' : 'none', |
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height: width * 0.5 +'rpx' |
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}" |
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v-if="mode !== 'middleLine'" |
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></view> |
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<view v-if="mode === 'middleLine' && charArrLength <= index" :class="[breathe && charArrLength == index ? 'u-breathe' : '', charArrLength === index ? 'u-middle-line-active' : '']" |
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class="u-middle-line" :style="{height: bold ? '4px' : '2px', background: charArrLength === index ? activeColor : inactiveColor}"></view> |
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<view v-if="mode === 'bottomLine'" :class="[breathe && charArrLength == index ? 'u-breathe' : '', charArrLength === index ? 'u-buttom-line-active' : '']" |
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class="u-bottom-line" :style="{height: bold ? '4px' : '2px', background: charArrLength === index ? activeColor : inactiveColor}"></view> |
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<block v-if="!dotFill"> {{ charArr[index] ? charArr[index] : ''}}</block> |
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<block v-else> |
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<text class="u-dot">{{ charArr[index] ? '●' : ''}}</text> |
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</block> |
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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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/** |
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* messageInput 验证码输入框 |
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* @description 该组件一般用于验证用户短信验证码的场景，也可以结合uView的键盘组件使用 |
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* @tutorial https://www.uviewui.com/components/messageInput.html |
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* @property {String Number} maxlength 输入字符个数（默认4） |
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* @property {Boolean} dot-fill 是否用圆点填充（默认false） |
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* @property {String} mode 模式选择，见上方"基本使用"说明（默认box） |
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* @property {String Number} value 预置值 |
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* @property {Boolean} breathe 是否开启呼吸效果，见上方说明（默认true） |
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* @property {Boolean} focus 是否自动获取焦点（默认false） |
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* @property {Boolean} bold 字体和输入横线是否加粗（默认true） |
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* @property {String Number} font-size 字体大小，单位rpx（默认60） |
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* @property {String} active-color 当前激活输入框的样式（默认#2979ff） |
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* @property {String} inactive-color 非激活输入框的样式，文字颜色同此值（默认#606266） |
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* @property {String | Number} width 输入框宽度，单位rpx，高等于宽（默认80） |
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* @property {Boolean} disabled-keyboard 禁止点击输入框唤起系统键盘（默认false） |
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* @event {Function} change 输入内容发生改变时触发，具体见官网说明 |
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* @event {Function} finish 输入字符个数达maxlength值时触发，见官网说明 |
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* @example <u-message-input mode="bottomLine"></u-message-input> |
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*/ |
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export default { |
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name: "u-message-input", |
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props: { |
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// 最大输入长度 |
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maxlength: { |
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type: [Number, String], |
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default: 4 |
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}, |
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// 是否用圆点填充 |
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dotFill: { |
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type: Boolean, |
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default: false |
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}, |
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// 显示模式，box-盒子模式，bottomLine-横线在底部模式，middleLine-横线在中部模式 |
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mode: { |
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type: String, |
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default: "box" |
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}, |
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// 预置值 |
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value: { |
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type: [String, Number], |
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default: '' |
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}, |
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// 当前激活输入item，是否带有呼吸效果 |
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breathe: { |
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type: Boolean, |
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default: true |
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}, |
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// 是否自动获取焦点 |
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focus: { |
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type: Boolean, |
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default: false |
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}, |
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// 字体是否加粗 |
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bold: { |
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type: Boolean, |
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default: false |
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}, |
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// 字体大小 |
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fontSize: { |
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type: [String, Number], |
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default: 60 |
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}, |
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// 激活样式 |
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activeColor: { |
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type: String, |
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default: '#2979ff' |
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}, |
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// 未激活的样式 |
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inactiveColor: { |
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type: String, |
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default: '#606266' |
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}, |
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// 输入框的大小，单位rpx，宽等于高 |
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width: { |
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type: [Number, String], |
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default: '80' |
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}, |
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// 是否隐藏原生键盘，如果想用自定义键盘的话，需设置此参数为true |
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disabledKeyboard: { |
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type: Boolean, |
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default: false |
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} |
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}, |
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watch: { |
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// maxlength: { |
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// // 此值设置为true，会在组件加载后无需maxlength变化就会执行一次本监听函数，无需再created生命周期中处理 |
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// immediate: true, |
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// handler(val) { |
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// this.maxlength = Number(val); |
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// } |
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// }, |
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value: { |
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immediate: true, |
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handler(val) { |
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// 转为字符串 |
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val = String(val); |
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// 超出部分截掉 |
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this.valueModel = val.substring(0, this.maxlength); |
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} |
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}, |
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}, |
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data() { |
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return { |
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valueModel: "" |
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} |
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}, |
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computed: { |
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// 是否显示呼吸灯效果 |
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animationClass() { |
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return (index) => { |
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if (this.breathe && this.charArr.length == index) return 'u-breathe'; |
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else return ''; |
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} |
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}, |
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// 用于显示字符 |
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charArr() { |
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return this.valueModel.split(''); |
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}, |
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charArrLength() { |
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return this.charArr.length; |
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}, |
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// 根据长度，循环输入框的个数，因为头条小程序数值不能用于v-for |
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loopCharArr() { |
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return new Array(this.maxlength); |
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} |
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}, |
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methods: { |
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getVal(e) { |
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let { |
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value |
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} = e.detail |
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this.valueModel = value; |
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// 判断长度是否超出了maxlength值，理论上不会发生，因为input组件设置了maxlength属性值 |
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if (String(value).length > this.maxlength) return; |
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// 未达到maxlength之前，发送change事件，达到后发送finish事件 |
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this.$emit('change', value); |
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if (String(value).length == this.maxlength) { |
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this.$emit('finish', value); |
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} |
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} |
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} |
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} |
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</script> |
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<style scoped lang="scss"> |
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@import "../../libs/css/style.components.scss"; |
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@keyframes breathe { |
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0% { |
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opacity: 0.3; |
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} |
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50% { |
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opacity: 1; |
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} |
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100% { |
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opacity: 0.3; |
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} |
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} |
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.u-char-box { |
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text-align: center; |
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} |
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.u-char-flex { |
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@include vue-flex; |
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justify-content: center; |
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flex-wrap: wrap; |
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position: relative; |
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} |
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.u-input { |
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position: absolute; |
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top: 0; |
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left: -100%; |
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width: 200%; |
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height: 100%; |
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text-align: left; |
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z-index: 9; |
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opacity: 0; |
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background: none; |
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} |
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.u-char-item { |
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position: relative; |
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width: 90rpx; |
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height: 90rpx; |
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margin: 10rpx 10rpx; |
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font-size: 60rpx; |
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font-weight: bold; |
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color: $u-main-color; |
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line-height: 90rpx; |
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@include vue-flex; |
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justify-content: center; |
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align-items: center; |
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} |
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.u-middle-line { |
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border: none; |
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} |
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.u-box { |
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box-sizing: border-box; |
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border: 2rpx solid #cccccc; |
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border-radius: 6rpx; |
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} |
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.u-box-active { |
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overflow: hidden; |
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animation-timing-function: ease-in-out; |
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animation-duration: 1500ms; |
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animation-iteration-count: infinite; |
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animation-direction: alternate; |
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border: 2rpx solid $u-type-primary; |
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} |
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.u-middle-line-active { |
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background: $u-type-primary; |
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} |
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.u-breathe { |
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animation: breathe 2s infinite ease; |
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} |
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.u-placeholder-line { |
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/* #ifndef APP-NVUE */ |
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display: none; |
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/* #endif */ |
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position: absolute; |
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left: 50%; |
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top: 50%; |
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transform: translate(-50%, -50%); |
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width: 2rpx; |
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height: 40rpx; |
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background: #333333; |
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animation: twinkling 1.5s infinite ease; |
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} |
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.u-animation-breathe { |
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animation-name: breathe; |
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} |
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.u-dot { |
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font-size: 34rpx; |
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line-height: 34rpx; |
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} |
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.u-middle-line { |
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height: 4px; |
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background: #000000; |
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width: 80%; |
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position: absolute; |
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border-radius: 2px; |
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top: 50%; |
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left: 50%; |
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transform: translate(-50%, -50%); |
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} |
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.u-buttom-line-active { |
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background: $u-type-primary; |
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} |
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.u-bottom-line { |
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height: 4px; |
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background: #000000; |
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width: 80%; |
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position: absolute; |
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border-radius: 2px; |
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bottom: 0; |
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left: 50%; |
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transform: translate(-50%); |
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} |
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</style>
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