161 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			Vue
		
	
	
			
		
		
	
	
			161 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			Vue
		
	
	
<template>
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	<view class="number-box">
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		<block v-for="(myIndex, index) in indexArr" :key="index">
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			<swiper class="swiper" vertical="true" :current="myIndex" circular="true"
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				v-bind:style="{color:color,width:myIndex == 10  ? '14rpx' : myIndex == 1 ? '22rpx' : width+'rpx',height:height+'rpx',lineHeight:fontSize+'rpx',fontSize:fontSize+'rpx',fontWeight: fontWeight}">
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				<swiper-item>
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					<view class="swiper-item">0</view>
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				</swiper-item>
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				<swiper-item>
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					<view class="swiper-item">1</view>
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				</swiper-item>
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				<swiper-item>
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					<view class="swiper-item">2</view>
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				</swiper-item>
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				<swiper-item>
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					<view class="swiper-item">3</view>
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				</swiper-item>
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				<swiper-item>
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					<view class="swiper-item">4</view>
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				</swiper-item>
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				<swiper-item>
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					<view class="swiper-item">5</view>
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				</swiper-item>
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				<swiper-item>
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					<view class="swiper-item">6</view>
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				</swiper-item>
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				<swiper-item>
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					<view class="swiper-item">7</view>
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				</swiper-item>
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				<swiper-item>
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					<view class="swiper-item">8</view>
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				</swiper-item>
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				<swiper-item>
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					<view class="swiper-item">9</view>
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				</swiper-item>
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				<swiper-item>
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					<view class="swiper-item">.</view>
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				</swiper-item>
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			</swiper>
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		</block>
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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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			num: [String, Number],
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			color: {
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				type: String,
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				default: '#000000'
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			},
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			width: {
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				type: String,
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				default: '30'
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			},
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			height: {
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				type: String,
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				default: '30'
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			},
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			fontSize: {
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				type: String,
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				default: '30'
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			},
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			fontWeight: {
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				type: [String, Number],
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				default: 500
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			}
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		},
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		data() {
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			return {
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				indexArr: []
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			};
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		},
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		created() {
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			let {
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				num
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			} = this;
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			let arr = new Array(num.toString().length);
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			arr.fill(0);
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			this.indexArr = arr;
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		},
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		watch: {
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			num: function(val, oldVal) {
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				// 处理新老数据长度不一样的情况
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				let arr = Array.prototype.slice.apply(this.indexArr);
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				let newLen = val.toString().length;
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				let oldLen = oldVal.toString().length;
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				if (newLen > oldLen) {
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					for (let i = 0; i < newLen - oldLen; i++) {
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						arr.push(0);
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					}
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					this.indexArr = arr;
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				}
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				if (newLen < oldLen) {
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					for (let i = 0; i < oldLen - newLen; i++) {
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						arr.pop();
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					}
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					this.indexArr = arr;
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				}
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				this.numChange(val);
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			}
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		},
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		mounted() {
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			//定时器作用:app显示数字滚动
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			this._time = setTimeout(() => {
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				this.numChange(this.num);
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				clearTimeout(this._time);
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			}, 50);
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		},
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		methods: {
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			/**
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			 * 数字改变
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			 * @value 数字
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			 */
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			numChange(num) {
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				this.$nextTick(() => {
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					let {
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						indexArr
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					} = this;
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					let copyIndexArr = Array.prototype.slice.apply(indexArr);
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					let _num = num.toString();
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					for (let i = 0; i < _num.length; i++) {
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						if (_num[i] === '.') {
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							copyIndexArr[i] = 10;
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						} else {
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							copyIndexArr[i] = Number(_num[i]);
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						}
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					}
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					this.indexArr = copyIndexArr;
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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 lang="scss">
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	.number-box {
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		display: flex;
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		flex-wrap: wrap;
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		justify-content: center;
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	}
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	.swiper {
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		position: relative;
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		// 	line-height: 30upx;
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		// 	width: 30upx;
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		// 	height: 30upx;
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		// 	font-size: 30upx;
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		// 	background: red;
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	}
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	.swiper:after {
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		content: '';
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		position: absolute;
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		left: 0;
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		top: 0;
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		width: 100%;
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		height: 100%;
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	}
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</style>
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