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Vue 实现拖动滑块验证功能(只有css+js没有后台验证步骤)

更新时间:2020-07-22 12:54:01 作者:startmvc
vue验证滑块功能,在生活中很多地方都可以见到,那么使用起来非常方便,基于vue如何实现

vue验证滑块功能,在生活中很多地方都可以见到,那么使用起来非常方便,基于vue如何实现滑块验证呢?下面通过代码给大家讲解。

效果图如下所示:

拖动前

拖动后

代码引用的css与js都是线上的 将代码全部复制到一个html中可以直接打开,极其简单。 来分析一下代码 底色div上放了一个变色div再放一个提示字的div最后加一个滑块div 给滑块div绑定鼠标移动事件


<!DOCTYPE html>
<html>
 <head>
 <meta charset="UTF-8">
 <title></title>
 <style scoped>
 .drag {
 border-radius:30px;
 position: relative;
 background-color: #75CDF9;
 width: 300px;
 height: 34px;
 margin-left: 30px;
 margin-top: 100px;
 line-height: 34px;
 text-align: center;
 }
 .handler {
 border-radius:30px;
 position: absolute;
 top: 0px;
 left: 0px;
 width: 40px;
 height: 32px;
 border: 1px solid #ccc;
 cursor: move;
 }
 .handler_bg {
 background: #fff url("data:image/png;base64,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") no-repeat center;
 }
 .handler_ok_bg {
 background: #fff url("data:image/png;base64,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") no-repeat center;
 }
 .drag_bg {
 border-radius:30px;
 background-color: #13CE66;
 height: 34px;
 width: 0px;
 }
 .drag_text {
 position: absolute;
 top: 0px;
 width: 300px;
 -moz-user-select: none;
 -webkit-user-select: none;
 user-select: none;
 -o-user-select: none;
 -ms-user-select: none;
 }
 </style>
 </head>
 <body>
 <div id="app">
 <div class="drag" >
 <div class="drag_bg"></div>
 <div class="drag_text">{{confirmWords}}</div>
 <div @mousedown="mousedownFn($event)" class="handler handler_bg"></div>
 </div>
 </div>
 <script src="https://cdn.jsdelivr.net/npm/vue"></script>
 <script src="https://unpkg.com/element-ui/lib/index.js"></script>
 <script src="http://libs.baidu.com/jquery/2.1.4/jquery.min.js"></script>
 <script>
 var vm = new Vue({
 el: "#app",
 name: '',
 components: {},
 props: {},
 data() {
 return {
 beginClientX: 0,
 /*距离屏幕左端距离*/
 mouseMoveStata: false,
 /*触发拖动状态 判断*/
 maxwidth: 258,
 /*拖动最大宽度,依据滑块宽度算出来的*/
 confirmWords: '拖动滑块验证',
 /*滑块文字*/
 confirmSuccess: false, /*验证成功判断*/
 }
 },
 created() {},
 watch: {
 },
 methods: {
 mousedownFn: function(e) {
 this.mouseMoveStata = true;
 this.beginClientX = e.clientX;
 }, //按下滑块函数 
 successFunction() {
 $(".handler").removeClass('handler_bg').addClass('handler_ok_bg');
 this.confirmWords = '验证通过'
 $(".drag").css({
 'color': '#fff'
 });
 $(".drag").css({
 'background-color': '#13CE66'
 });
 $(".handler").css({
 'left': this.maxwidth
 });
 $(".drag_bg").css({
 'width': this.maxwidth
 });
 $('body').unbind('mousemove');
 $('body').unbind('mouseup');
 this.confirmSuccess = true;
 } //验证成功函数 
 },
 mounted() {
 $('body').on('mousemove', (e) => {
 //拖动,这里需要用箭头函数,不然this的指向不会是vue对象 
 if(this.mouseMoveStata) {
 var width = e.clientX - this.beginClientX;
 if(width > 0 && width <= this.maxwidth) {
 $(".handler").css({
 'left': width
 });
 $(".drag_bg").css({
 'width': width
 });
 } else if(width > this.maxwidth) {
 this.successFunction();
 }
 }
 });
 $('body').on('mouseup', (e) => {
 //鼠标放开 
 this.mouseMoveStata = false;
 var width = e.clientX - this.beginClientX;
 if(width < this.maxwidth) {
 $(".handler").css({
 'left': 0
 });
 $(".drag_bg").css({
 'width': 0
 });
 }
 })
 }
 });
 </script>
 </body>
</html>

总结

以上所述是小编给大家介绍的Vue 实现拖动滑块验证功能(只有css+js没有后台验证步骤),希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对脚本之家网站的支持!

vue 实现拖动滑块验证 vue 滑块验证