vue3拖动滑块进行验证

组件效果展示

源码

<template>
	<div class="slider-verification" ref="sliderContainer">
		<div class="slider-left-bg" :style="sliderLeftWidthStyle"></div>
		<div class="prompt-text" :style="verifySuccess ? promptTextStyleSuccess: {}">
			{{ verifySuccess ? '验证通过' : '向右拖动滑块进行验证' }}
		</div>
		<div ref="slider" @mousedown="mouseDownHandler($event)"
		     :class="{'slider-verify-success':verifySuccess}"
		     class="slider"
		     :style="sliderToLeftStyle"></div>
	</div>
</template>

<script lang="ts">
	import {defineComponent, ref, onMounted} from 'vue';

	/**
	 * 组件名称：
	 * 组件描述：
	 */
	export default defineComponent({
		name: 'SliderVerification',
		components: {},
		props: {
			/**
			 * 验证成功提示文字样式
			 */
			promptTextStyleSuccess: {
				type: Object,
				default: {
					color: '#ffffff'
				}
			},
			/**
			 * 验证成功需要拖动距离倍数，倍数越大验证成功需要拖动的距离越大
			 */
			multiple: {
				type: Number,
				default: 2
			}
		},
		setup(props, context) {
			let sliderState = ref(false)
			let verifySuccess = ref(false)
			let beginClientX = ref(0)
			let maxWidth = ref(0)
			const slideWidth = ref(0)
			const mouseMoveHandler = (e) => {
				if (sliderState.value) {
					let width = (e.clientX - beginClientX.value) / props.multiple;
					if (width > 0 && width <= maxWidth.value) {
						slideWidth.value = width
					} else if (width > maxWidth.value) {
						slideWidth.value = maxWidth.value
						verifySuccessFun();
					}
				}
			}
			const moseUpHandler = (e) => {
				sliderState.value = false;
				let width = (e.clientX - beginClientX.value) / props.multiple;
				if (width < maxWidth.value) {
					slideWidth.value = 0
				}
			}
			const verifySuccessFun = () => {
				verifySuccess.value = true
				context.emit('statusChange', true)
				document.getElementsByTagName('html')[0].removeEventListener('mousemove', mouseMoveHandler);
				document.getElementsByTagName('html')[0].removeEventListener('mouseup', moseUpHandler);
				slideWidth.value = maxWidth.value
			}
			const slider = ref(null)
			const sliderContainer = ref(null)
			onMounted(() => {
				maxWidth.value = sliderContainer.value.offsetWidth - slider.value.offsetWidth;
				addListener()
			})
			const addListener = () => {
				document.getElementsByTagName('html')[0].addEventListener('mousemove', mouseMoveHandler);
				document.getElementsByTagName('html')[0].addEventListener('mouseup', moseUpHandler)
			}
			return {
				sliderContainer, slider,
				beginClientX, // 鼠标按下的位置
				sliderState,     // 滑块是否可以移动
				maxWidth,// 滑块验证成功需要移动的最大距离
				verifySuccess,  // 是否验证成功
				slideWidth, // 滑块滑过的区域宽度
				reset() { // 重置
					addListener()
					context.emit('statusChange', false)
					beginClientX.value = 0
					sliderState.value = false
					verifySuccess.value = false
					slideWidth.value = 0
				},
				mouseDownHandler(e) { // 鼠标在滑块上按下事件
					if (!this.verifySuccess) {
						this.sliderState = true;
						this.beginClientX = e.clientX;
					}
				},
			}
		},
		computed: {
			sliderToLeftStyle() {
				return {
					left: this.slideWidth + 'px'
				}
			},
			sliderLeftWidthStyle() {
				return {
					width: this.slideWidth + 'px'
				}
			}
		}
	});
</script>
<style scoped lang="scss">

	.slider-verification {
		position: relative;
		background-color: #055265;
		width: 100%;
		height: 100%;
		line-height: 48px;
		text-align: center;
		user-select: none;
	}

	.slider {
		position: absolute;
		top: 0;
		width: 42px;
		height: 100%;
		cursor: move;
		background: rgb(0, 157, 177) 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") no-repeat center;
		background-size: 30px 30px;
	}

	.slider-verify-success {
		background: #8dffc9 url("data:image/png;base64,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") no-repeat center;
		background-size: 30px 30px;
	}

	//滑块滑过区域的样式
	.slider-left-bg {
		background-color: rgba(0, 235, 255, 0.42);
		width: 0;
		height: 100%;
	}

	//提示文本样式
	.prompt-text {
		position: absolute;
		top: 0;
		width: 100%;
		height: 100%;
		text-align: center;
		font-size: 14px;
		line-height: 1;
		padding: 13px;
		color: #ffffff;
		opacity: 0.7;
	}
</style>