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										 |  |  |  | <template> | 
					
						
							|  |  |  |  | 	<view class="u-code-input"> | 
					
						
							|  |  |  |  | 		<view | 
					
						
							|  |  |  |  | 			class="u-code-input__item" | 
					
						
							|  |  |  |  | 			:style="[itemStyle(index)]" | 
					
						
							|  |  |  |  | 			v-for="(item, index) in codeLength" | 
					
						
							|  |  |  |  | 			:key="index" | 
					
						
							|  |  |  |  | 		> | 
					
						
							|  |  |  |  | 			<view | 
					
						
							|  |  |  |  | 				class="u-code-input__item__dot" | 
					
						
							|  |  |  |  | 				v-if="dot && codeArray.length > index" | 
					
						
							|  |  |  |  | 			></view> | 
					
						
							|  |  |  |  | 			<text | 
					
						
							|  |  |  |  | 				v-else | 
					
						
							|  |  |  |  | 				:style="{ | 
					
						
							|  |  |  |  | 					fontSize: $u.addUnit(fontSize), | 
					
						
							|  |  |  |  | 					fontWeight: bold ? 'bold' : 'normal', | 
					
						
							|  |  |  |  | 					color: color | 
					
						
							|  |  |  |  | 				}" | 
					
						
							|  |  |  |  | 			>{{codeArray[index]}}</text> | 
					
						
							|  |  |  |  | 			<view | 
					
						
							|  |  |  |  | 				class="u-code-input__item__line" | 
					
						
							|  |  |  |  | 				v-if="mode === 'line'" | 
					
						
							|  |  |  |  | 				:style="[lineStyle]" | 
					
						
							|  |  |  |  | 			></view> | 
					
						
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										 |  |  |  | 			<!-- #ifndef APP-PLUS --> | 
					
						
							|  |  |  |  | 			<view v-if="isFocus && codeArray.length === index" :style="{backgroundColor: color}" class="u-code-input__item__cursor"></view> | 
					
						
							|  |  |  |  | 			<!-- #endif --> | 
					
						
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										 |  |  |  | 		</view> | 
					
						
							|  |  |  |  | 		<input | 
					
						
							|  |  |  |  | 			:disabled="disabledKeyboard" | 
					
						
							|  |  |  |  | 			type="number" | 
					
						
							|  |  |  |  | 			:focus="focus" | 
					
						
							|  |  |  |  | 			:value="inputValue" | 
					
						
							|  |  |  |  | 			:maxlength="maxlength" | 
					
						
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										 |  |  |  | 			:adjustPosition="adjustPosition" | 
					
						
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										 |  |  |  | 			class="u-code-input__input" | 
					
						
							|  |  |  |  | 			@input="inputHandler" | 
					
						
							|  |  |  |  | 			:style="{ | 
					
						
							|  |  |  |  | 				height: $u.addUnit(size)  | 
					
						
							|  |  |  |  | 			}" | 
					
						
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										 |  |  |  | 			@focus="isFocus = true" | 
					
						
							|  |  |  |  | 			@blur="isFocus = false" | 
					
						
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										 |  |  |  | 		/> | 
					
						
							|  |  |  |  | 	</view> | 
					
						
							|  |  |  |  | </template> | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  | <script> | 
					
						
							|  |  |  |  | 	import props from './props.js'; | 
					
						
							|  |  |  |  | 	/** | 
					
						
							|  |  |  |  | 	 * CodeInput 验证码输入 | 
					
						
							|  |  |  |  | 	 * @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 | 
					
						
							|  |  |  |  | 	 * @tutorial https://www.uviewui.com/components/codeInput.html
 | 
					
						
							|  |  |  |  | 	 * @property {String | Number}	maxlength			最大输入长度 (默认 6 ) | 
					
						
							|  |  |  |  | 	 * @property {Boolean}			dot					是否用圆点填充 (默认 false ) | 
					
						
							|  |  |  |  | 	 * @property {String}			mode				显示模式,box-盒子模式,line-底部横线模式 (默认 'box' ) | 
					
						
							|  |  |  |  | 	 * @property {Boolean}			hairline			是否细边框 (默认 false ) | 
					
						
							|  |  |  |  | 	 * @property {String | Number}	space				字符间的距离 (默认 10 ) | 
					
						
							|  |  |  |  | 	 * @property {String | Number}	value				预置值 | 
					
						
							|  |  |  |  | 	 * @property {Boolean}			focus				是否自动获取焦点 (默认 false ) | 
					
						
							|  |  |  |  | 	 * @property {Boolean}			bold				字体和输入横线是否加粗 (默认 false ) | 
					
						
							|  |  |  |  | 	 * @property {String}			color				字体颜色 (默认 '#606266' ) | 
					
						
							|  |  |  |  | 	 * @property {String | Number}	fontSize			字体大小,单位px (默认 18 ) | 
					
						
							|  |  |  |  | 	 * @property {String | Number}	size				输入框的大小,宽等于高 (默认 35 ) | 
					
						
							|  |  |  |  | 	 * @property {Boolean}			disabledKeyboard	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 (默认 false ) | 
					
						
							|  |  |  |  | 	 * @property {String}			borderColor			边框和线条颜色 (默认 '#c9cacc' ) | 
					
						
							|  |  |  |  | 	 * @property {Boolean}			disabledDot			是否禁止输入"."符号 (默认 true ) | 
					
						
							|  |  |  |  | 	 *  | 
					
						
							|  |  |  |  | 	 * @event {Function}	change	输入内容发生改变时触发,具体见上方说明			value:当前输入的值 | 
					
						
							|  |  |  |  | 	 * @event {Function}	finish	输入字符个数达maxlength值时触发,见上方说明	value:当前输入的值 | 
					
						
							|  |  |  |  | 	 * @example	<u-code-input v-model="value4" :focus="true"></u-code-input> | 
					
						
							|  |  |  |  | 	 */ | 
					
						
							|  |  |  |  | 	export default { | 
					
						
							|  |  |  |  | 		name: 'u-code-input', | 
					
						
							|  |  |  |  | 		mixins: [uni.$u.mpMixin, uni.$u.mixin, props], | 
					
						
							|  |  |  |  | 		data() { | 
					
						
							|  |  |  |  | 			return { | 
					
						
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										 |  |  |  | 				inputValue: '', | 
					
						
							|  |  |  |  | 				isFocus: this.focus | 
					
						
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										 |  |  |  | 			} | 
					
						
							|  |  |  |  | 		}, | 
					
						
							|  |  |  |  | 		watch: { | 
					
						
							|  |  |  |  | 			value: { | 
					
						
							|  |  |  |  | 				immediate: true, | 
					
						
							|  |  |  |  | 				handler(val) { | 
					
						
							|  |  |  |  | 					// 转为字符串,超出部分截掉
 | 
					
						
							|  |  |  |  | 					this.inputValue = String(val).substring(0, this.maxlength) | 
					
						
							|  |  |  |  | 				} | 
					
						
							|  |  |  |  | 			}, | 
					
						
							|  |  |  |  | 		}, | 
					
						
							|  |  |  |  | 		computed: { | 
					
						
							|  |  |  |  | 			// 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
 | 
					
						
							|  |  |  |  | 			codeLength() { | 
					
						
							|  |  |  |  | 				return new Array(Number(this.maxlength)) | 
					
						
							|  |  |  |  | 			}, | 
					
						
							|  |  |  |  | 			// 循环item的样式
 | 
					
						
							|  |  |  |  | 			itemStyle() { | 
					
						
							|  |  |  |  | 				return index => { | 
					
						
							|  |  |  |  | 					const addUnit = uni.$u.addUnit | 
					
						
							|  |  |  |  | 					const style = { | 
					
						
							|  |  |  |  | 						width: addUnit(this.size), | 
					
						
							|  |  |  |  | 						height: addUnit(this.size) | 
					
						
							|  |  |  |  | 					} | 
					
						
							|  |  |  |  | 					// 盒子模式下,需要额外进行处理
 | 
					
						
							|  |  |  |  | 					if (this.mode === 'box') { | 
					
						
							|  |  |  |  | 						// 设置盒子的边框,如果是细边框,则设置为0.5px宽度
 | 
					
						
							|  |  |  |  | 						style.border = `${this.hairline ? 0.5 : 1}px solid ${this.borderColor}` | 
					
						
							|  |  |  |  | 						// 如果盒子间距为0的话
 | 
					
						
							|  |  |  |  | 						if (uni.$u.getPx(this.space) === 0) { | 
					
						
							|  |  |  |  | 							// 给第一和最后一个盒子设置圆角
 | 
					
						
							|  |  |  |  | 							if (index === 0) { | 
					
						
							|  |  |  |  | 								style.borderTopLeftRadius = '3px' | 
					
						
							|  |  |  |  | 								style.borderBottomLeftRadius = '3px' | 
					
						
							|  |  |  |  | 							} | 
					
						
							|  |  |  |  | 							if (index === this.codeLength.length - 1) { | 
					
						
							|  |  |  |  | 								style.borderTopRightRadius = '3px' | 
					
						
							|  |  |  |  | 								style.borderBottomRightRadius = '3px' | 
					
						
							|  |  |  |  | 							} | 
					
						
							|  |  |  |  | 							// 最后一个盒子的右边框需要保留
 | 
					
						
							|  |  |  |  | 							if (index !== this.codeLength.length - 1) { | 
					
						
							|  |  |  |  | 								style.borderRight = 'none' | 
					
						
							|  |  |  |  | 							} | 
					
						
							|  |  |  |  | 						} | 
					
						
							|  |  |  |  | 					} | 
					
						
							|  |  |  |  | 					if (index !== this.codeLength.length - 1) { | 
					
						
							|  |  |  |  | 						// 设置验证码字符之间的距离,通过margin-right设置,最后一个字符,无需右边框
 | 
					
						
							|  |  |  |  | 						style.marginRight = addUnit(this.space) | 
					
						
							|  |  |  |  | 					} else { | 
					
						
							|  |  |  |  | 						// 最后一个盒子的有边框需要保留
 | 
					
						
							|  |  |  |  | 						style.marginRight = 0 | 
					
						
							|  |  |  |  | 					} | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  | 					return style | 
					
						
							|  |  |  |  | 				} | 
					
						
							|  |  |  |  | 			}, | 
					
						
							|  |  |  |  | 			// 将输入的值,转为数组,给item历遍时,根据当前的索引显示数组的元素
 | 
					
						
							|  |  |  |  | 			codeArray() { | 
					
						
							|  |  |  |  | 				return String(this.inputValue).split('') | 
					
						
							|  |  |  |  | 			}, | 
					
						
							|  |  |  |  | 			// 下划线模式下,横线的样式
 | 
					
						
							|  |  |  |  | 			lineStyle() { | 
					
						
							|  |  |  |  | 				const style = {} | 
					
						
							|  |  |  |  | 				style.height = this.hairline ? '2px' : '4px' | 
					
						
							|  |  |  |  | 				style.width = uni.$u.addUnit(this.size) | 
					
						
							|  |  |  |  | 				// 线条模式下,背景色即为边框颜色
 | 
					
						
							|  |  |  |  | 				style.backgroundColor = this.borderColor | 
					
						
							|  |  |  |  | 				return style | 
					
						
							|  |  |  |  | 			} | 
					
						
							|  |  |  |  | 		}, | 
					
						
							|  |  |  |  | 		methods: { | 
					
						
							|  |  |  |  | 			// 监听输入框的值发生变化
 | 
					
						
							|  |  |  |  | 			inputHandler(e) { | 
					
						
							|  |  |  |  | 				const value = e.detail.value | 
					
						
							|  |  |  |  | 				this.inputValue = value | 
					
						
							|  |  |  |  | 				// 是否允许输入“.”符号
 | 
					
						
							|  |  |  |  | 				if(this.disabledDot) { | 
					
						
							|  |  |  |  | 					this.$nextTick(() => { | 
					
						
							|  |  |  |  | 						this.inputValue = value.replace('.', '') | 
					
						
							|  |  |  |  | 					}) | 
					
						
							|  |  |  |  | 				} | 
					
						
							|  |  |  |  | 				// 未达到maxlength之前,发送change事件,达到后发送finish事件
 | 
					
						
							|  |  |  |  | 				this.$emit('change', value) | 
					
						
							|  |  |  |  | 				// 修改通过v-model双向绑定的值
 | 
					
						
							|  |  |  |  | 				this.$emit('input', value) | 
					
						
							|  |  |  |  | 				// 达到用户指定输入长度时,发出完成事件
 | 
					
						
							|  |  |  |  | 				if (String(value).length >= Number(this.maxlength)) { | 
					
						
							|  |  |  |  | 					this.$emit('finish', value) | 
					
						
							|  |  |  |  | 				} | 
					
						
							|  |  |  |  | 			} | 
					
						
							|  |  |  |  | 		} | 
					
						
							|  |  |  |  | 	} | 
					
						
							|  |  |  |  | </script> | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  | <style lang="scss" scoped> | 
					
						
							|  |  |  |  | 	@import "../../libs/css/components.scss"; | 
					
						
							|  |  |  |  | 	$u-code-input-cursor-width: 1px; | 
					
						
							|  |  |  |  | 	$u-code-input-cursor-height: 40%; | 
					
						
							|  |  |  |  | 	$u-code-input-cursor-animation-duration: 1s; | 
					
						
							|  |  |  |  | 	$u-code-input-cursor-animation-name: u-cursor-flicker; | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  | 	.u-code-input { | 
					
						
							|  |  |  |  | 		@include flex; | 
					
						
							|  |  |  |  | 		position: relative; | 
					
						
							|  |  |  |  | 		overflow: hidden; | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  | 		&__item { | 
					
						
							|  |  |  |  | 			@include flex; | 
					
						
							|  |  |  |  | 			justify-content: center; | 
					
						
							|  |  |  |  | 			align-items: center; | 
					
						
							|  |  |  |  | 			position: relative; | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  | 			&__text { | 
					
						
							|  |  |  |  | 				font-size: 15px; | 
					
						
							|  |  |  |  | 				color: $u-content-color; | 
					
						
							|  |  |  |  | 			} | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  | 			&__dot { | 
					
						
							|  |  |  |  | 				width: 7px; | 
					
						
							|  |  |  |  | 				height: 7px; | 
					
						
							|  |  |  |  | 				border-radius: 100px; | 
					
						
							|  |  |  |  | 				background-color: $u-content-color; | 
					
						
							|  |  |  |  | 			} | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  | 			&__line { | 
					
						
							|  |  |  |  | 				position: absolute; | 
					
						
							|  |  |  |  | 				bottom: 0; | 
					
						
							|  |  |  |  | 				height: 4px; | 
					
						
							|  |  |  |  | 				border-radius: 100px; | 
					
						
							|  |  |  |  | 				width: 40px; | 
					
						
							|  |  |  |  | 				background-color: $u-content-color; | 
					
						
							|  |  |  |  | 			} | 
					
						
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										 |  |  |  | 			/* #ifndef APP-PLUS */ | 
					
						
							| 
									
										
										
										
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										 |  |  |  | 			&__cursor { | 
					
						
							|  |  |  |  | 				position: absolute; | 
					
						
							|  |  |  |  | 				top: 50%; | 
					
						
							|  |  |  |  | 				left: 50%; | 
					
						
							|  |  |  |  | 				transform: translate(-50%,-50%); | 
					
						
							|  |  |  |  | 				width: $u-code-input-cursor-width; | 
					
						
							|  |  |  |  | 				height: $u-code-input-cursor-height; | 
					
						
							|  |  |  |  | 				animation: $u-code-input-cursor-animation-duration u-cursor-flicker infinite; | 
					
						
							|  |  |  |  | 			} | 
					
						
							| 
									
										
										
										
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										 |  |  |  | 			/* #endif */ | 
					
						
							|  |  |  |  | 			 | 
					
						
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										 |  |  |  | 		} | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  | 		&__input { | 
					
						
							|  |  |  |  | 			// 之所以需要input输入框,是因为有它才能唤起键盘
 | 
					
						
							|  |  |  |  | 			// 这里将它设置为两倍的屏幕宽度,再将左边的一半移出屏幕,为了不让用户看到输入的内容
 | 
					
						
							|  |  |  |  | 			position: absolute; | 
					
						
							|  |  |  |  | 			left: -750rpx; | 
					
						
							|  |  |  |  | 			width: 1500rpx; | 
					
						
							|  |  |  |  | 			top: 0; | 
					
						
							|  |  |  |  | 			background-color: transparent; | 
					
						
							|  |  |  |  | 			text-align: left; | 
					
						
							|  |  |  |  | 		} | 
					
						
							|  |  |  |  | 	} | 
					
						
							|  |  |  |  | 	 | 
					
						
							| 
									
										
										
										
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										 |  |  |  | 	/* #ifndef APP-PLUS */ | 
					
						
							| 
									
										
										
										
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										 |  |  |  | 	@keyframes u-cursor-flicker { | 
					
						
							|  |  |  |  | 		0% { | 
					
						
							|  |  |  |  | 		    opacity: 0; | 
					
						
							|  |  |  |  | 		} | 
					
						
							|  |  |  |  | 		50% { | 
					
						
							|  |  |  |  | 		    opacity: 1; | 
					
						
							|  |  |  |  | 		} | 
					
						
							|  |  |  |  | 		100% { | 
					
						
							|  |  |  |  | 		    opacity: 0; | 
					
						
							|  |  |  |  | 		} | 
					
						
							|  |  |  |  | 	} | 
					
						
							| 
									
										
										
										
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										 |  |  |  | 	/* #endif */ | 
					
						
							|  |  |  |  | 
 | 
					
						
							| 
									
										
										
										
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										 |  |  |  | </style> |