效果图
一：可以将样式写到组件中
1.html部分
<template><div class="drag" ref="dragDiv"><div class="drag_bg"></div><div class="drag_text">{{ confirmWords }}</div><divref="moveDiv"@mousedown="mouseDownFn" @touchstart="mouseDownFn":class="{ handler_ok_bg: confirmSuccess }"class="handler handler_bg"style="position: absolute; top: 0px; left: 0px"></div></div></template>
2.js部分
<script>export default {data() {return {beginClientX: 0 /*距离屏幕左端距离*/,mouseMoveState: false /*触发拖动状态 判断*/,maxWidth: "" /*拖动最大宽度，依据滑块宽度算出来的*/,confirmWords: "请按住滑块，拖动到最右边" /*滑块文字*/,confirmSuccess: false /*验证成功判断*/,};},mounted() {this.maxWidth =this.$refs.dragDiv.clientWidth - this.$refs.moveDiv.clientWidth;document.getElementsByTagName("html")[0].addEventListener("mousemove", this.mouseMoveFn);document.getElementsByTagName("html")[0].addEventListener("mouseup", this.moseUpFn);document.getElementsByTagName("html")[0].addEventListener("touchmove",this.mouseMoveFn );document.getElementsByTagName("html")[0].addEventListener("touchend", this.moseUpFn);},methods: {//mousedown 事件mouseDownFn: function (e) {if (!this.confirmSuccess) {e.preventDefault && e.preventDefault(); //阻止文字选中等 浏览器默认事件this.mouseMoveState = true;this.beginClientX = e.clientX?e.clientX:e.changedTouches[0].clientX;}},//验证成功函数successFunction() {this.confirmSuccess = true;this.confirmWords = "验证通过";if (window.addEventListener) {document.getElementsByTagName("html")[0].removeEventListener("mousemove", this.mouseMoveFn);document.getElementsByTagName("html")[0].removeEventListener("mouseup", this.moseUpFn);document.getElementsByTagName("html")[0].removeEventListener("touchmove",this.mouseMoveFn );document.getElementsByTagName("html")[0].removeEventListener("touchend", this.moseUpFn);} else {document.getElementsByTagName("html")[0].removeEventListener("mouseup", () => {});document.getElementsByTagName("html")[0].removeEventListener("touchend", () => {});}document.getElementsByClassName("drag_text")[0].style.color = "#fff";document.getElementsByClassName("handler")[0].style.left =this.maxWidth + "px";document.getElementsByClassName("drag_bg")[0].style.width =this.maxWidth + "px";},//mousemove事件mouseMoveFn(e) {if (this.mouseMoveState) {let numX=e.clientX?e.clientX:e.changedTouches[0].clientXlet width = numX - this.beginClientX;if (width > 0 && width <= this.maxWidth) {document.getElementsByClassName("handler")[0].style.left =width + "px";document.getElementsByClassName("drag_bg")[0].style.width = width + "px";} else if (width > this.maxWidth) {this.successFunction();}}},//mouseup事件moseUpFn(e) {this.mouseMoveState = false;let numX=e.clientX?e.clientX:e.changedTouches[0].clientXvar width = numX- this.beginClientX;if (width < this.maxWidth) {document.getElementsByClassName("handler")[0].style.left = 0 + "px";document.getElementsByClassName("drag_bg")[0].style.width = 0 + "px";}},},};</script>
3.css部分
<style scoped>.drag{position: relative;background-color: #e8e8e8;width: 100%;height: 40px;line-height: 40px;text-align: center;border: 1px solid #ccc;border-radius: 4px;}.handler{width: 40px;height: 38px;border: 1px solid #ccc;border-radius: 4px;cursor: pointer;}.handler_bg{background: #fff url("data:image/png;base64,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") no-repeat center;}.handler_ok_bg{border-top-left-radius: 0;border-bottom-left-radius: 0;background: #fff url("data:image/png;base64,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") no-repeat center;}.drag_bg{background-color: #7ac23c;height: 38px;width: 0px;border-radius: 4px 0 0 4px;}.drag_text{position: absolute;top: 0px;width: 100%;text-align: center;-moz-user-select: none;-webkit-user-select: none;user-select: none;-o-user-select:none;-ms-user-select:none;}</style>
二：在页面中调用
<template><el-form :model="ruleForm" :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm"><el-form-item label="滑动验证" prop="slider"><div><slider ref="slider"></slider></div></el-form-item></el-form></template><script>// 调用组件import slider from '../../components/slider.vue'export default {data(){return{ruleForm:{},},components: {slider},methods: {submitForm() {if(this.$refs['slider']) {// 未通过验证时，提示错误信息并返回if (!this.$refs['slider'].confirmSuccess) {console.log(this.$refs['slider'].confirmSuccess)this.$message.error("请拖动滑块验证");return}else{this.$message.success("验证成功，可提交");console.log(this.$refs['slider'].confirmSuccess)}}},}}</script>
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