vue仿淘寶滑動驗證碼功能(樣式模仿)
更新時間：2019年12月10日 10:16:01 作者：xilong
淘寶大家都使用過，淘寶滑動驗證碼的目的是為了驗證到底是人還是機器，今天小編給大家分享的是模仿淘寶滑動驗證碼的樣式，感興趣的朋友跟隨小編一起看看吧
我們知道驗證碼的目的 是為了驗證到底是人還是機器。
淘寶滑動驗證碼會采集用戶的操作數(shù)據，環(huán)境數(shù)據等等，通過算法加密成一個字符串，提交到服務器分析，判斷是不是人工在操作。
我這里寫的只是模仿了樣式，并沒有進行那些復雜的操作，所以并不安全（不能判斷人還是機器）。
因為touch事件和mouse事件不同，和獲取clientX在移動端和pc端也不同！?。∷苑謨啥?/p>
下面有PC端和移動端?。。。?019-03-12更新）
本文基于vue，引入下面組件 可以直接使用
1、實際效果
2、PC端?。?！ vue組件（下面是一個vue組件，可以引入直接使用）
<template>
<div class="drag" ref="dragDiv">
<div class="drag_bg"></div>
<div class="drag_text">{{confirmWords}}</div>
<div ref="moveDiv" @mousedown="mousedownFn($event)" :class="{'handler_ok_bg':confirmSuccess}" class="handler handler_bg" style="position: absolute;top: 0px;left: 0px;"></div>
</div>
</template>
<script>
export default {
data(){
return {
beginClientX:0, /*距離屏幕左端距離*/
mouseMoveStata:false, /*觸發(fā)拖動狀態(tài) 判斷*/
maxwidth:'', /*拖動最大寬度，依據滑塊寬度算出來的*/
confirmWords:'拖動滑塊驗證', /*滑塊文字*/
confirmSuccess:false /*驗證成功判斷*/
}
},
methods: {
mousedownFn:function (e) {
if(!this.confirmSuccess){
e.preventDefault && e.preventDefault(); //阻止文字選中等 瀏覽器默認事件
this.mouseMoveStata = true;
this.beginClientX = e.clientX;
}
}, //mousedoen 事件
successFunction(){
this.confirmSuccess = true
this.confirmWords = '驗證通過';
if(window.addEventListener){
document.getElementsByTagName('html')[0].removeEventListener('mousemove',this.mouseMoveFn);
document.getElementsByTagName('html')[0].removeEventListener('mouseup',this.moseUpFn);
}else {
document.getElementsByTagName('html')[0].removeEventListener('mouseup',()=>{});
}
document.getElementsByClassName('drag_text')[0].style.color = '#fff'
document.getElementsByClassName('handler')[0].style.left = this.maxwidth + 'px';
document.getElementsByClassName('drag_bg')[0].style.width = this.maxwidth + 'px';
}, //驗證成功函數(shù)
mouseMoveFn(e){
if(this.mouseMoveStata){
let width = e.clientX - this.beginClientX;
if(width>0 && width<=this.maxwidth){
document.getElementsByClassName('handler')[0].style.left = width + 'px';
document.getElementsByClassName('drag_bg')[0].style.width = width + 'px';
}else if(width>this.maxwidth){
this.successFunction();
}
}
}, //mousemove事件
moseUpFn(e){
this.mouseMoveStata = false;
var width = e.clientX - this.beginClientX;
if(width<this.maxwidth){
document.getElementsByClassName('handler')[0].style.left = 0 + 'px';
document.getElementsByClassName('drag_bg')[0].style.width = 0 + 'px';
}
} //mouseup事件
},
mounted(){
this.maxwidth = this.$refs.dragDiv.clientWidth - this.$refs.moveDiv.clientWidth;
document.getElementsByTagName('html')[0].addEventListener('mousemove',this.mouseMoveFn);
document.getElementsByTagName('html')[0].addEventListener('mouseup',this.moseUpFn)
}
}
</script>
<style scoped>
.drag{
position: relative;
background-color: #e8e8e8;
width: 100%;
height: 34px;
line-height: 34px;
text-align: center;
}
.handler{
width: 40px;
height: 32px;
border: 1px solid #ccc;
cursor: move;
}
.handler_bg{
background: #fff url("data:image/png;base64,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") no-repeat center;
}
.handler_ok_bg{
background: #fff url("data:image/png;base64,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") no-repeat center;
}
.drag_bg{
background-color: #7ac23c;
height: 34px;
width: 0px;
}
.drag_text{
position: absolute;
top: 0px;
width: 100%;text-align: center;
-moz-user-select: none;
-webkit-user-select: none;
user-select: none;
-o-user-select:none;
-ms-user-select:none;
}
</style>
3、移動端?。?！ vue組件（下面是一個vue組件，可以引入直接使用）
<template>
<div class="drag" ref="dragDiv">
<div class="drag_bg"></div>
<div class="drag_text">{{confirmWords}}</div>
<div ref="moveDiv" @touchstart="mousedownFn($event)" :class="{'handler_ok_bg':confirmSuccess}" class="handler handler_bg" style="position: absolute;top: 0px;left: 0px;"></div>
</div>
</template>
<script>
export default {
data(){
return {
beginClientX:0, /*距離屏幕左端距離*/
mouseMoveStata:false, /*觸發(fā)拖動狀態(tài) 判斷*/
maxwidth:'', /*拖動最大寬度，依據滑塊寬度算出來的*/
confirmWords:'拖動滑塊驗證', /*滑塊文字*/
confirmSuccess:false /*驗證成功判斷*/
}
},
methods: {
mousedownFn:function (e) {
if(!this.confirmSuccess){
e.preventDefault && e.preventDefault(); //阻止文字選中等 瀏覽器默認事件
this.mouseMoveStata = true;
this.beginClientX = e.changedTouches[0].clientX;
}
}, //mousedoen 事件
successFunction(){
this.confirmSuccess = true
this.confirmWords = '驗證通過';
if(window.addEventListener){
document.getElementsByTagName('html')[0].removeEventListener('touchmove',this.mouseMoveFn);
document.getElementsByTagName('html')[0].removeEventListener('touchend',this.moseUpFn);
}else {
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';
}, //驗證成功函數(shù)
mouseMoveFn(e){
if(this.mouseMoveStata){
let width = e.changedTouches[0].clientX - 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();
}
}
}, //mousemove事件
moseUpFn(e){
this.mouseMoveStata = false;
var width = e.changedTouches[0].clientX - this.beginClientX;
if(width<this.maxwidth){
document.getElementsByClassName('handler')[0].style.left = 0 + 'px';
document.getElementsByClassName('drag_bg')[0].style.width = 0 + 'px';
}
} //mouseup事件
},
mounted(){
this.maxwidth = this.$refs.dragDiv.clientWidth - this.$refs.moveDiv.clientWidth;
document.getElementsByTagName('html')[0].addEventListener('touchmove',this.mouseMoveFn);
document.getElementsByTagName('html')[0].addEventListener('touchend',this.moseUpFn)
}
}
</script>
<style scoped>
.drag{
position: relative;
background-color: #e8e8e8;
width: 100%;
height: 34px;
line-height: 34px;
text-align: center;
}
.handler{
width: 40px;
height: 32px;
border: 1px solid #ccc;
cursor: move;
}
.handler_bg{
background: #fff url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAA3hpVFh0WE1MOmNvbS5hZG9iZS54bXAAAAAAADw/eHBhY2tldCBiZWdpbj0i77u/IiBpZD0iVzVNME1wQ2VoaUh6cmVTek5UY3prYzlkIj8+IDx4OnhtcG1ldGEgeG1sbnM6eD0iYWRvYmU6bnM6bWV0YS8iIHg6eG1wdGs9IkFkb2JlIFhNUCBDb3JlIDUuNS1jMDIxIDc5LjE1NTc3MiwgMjAxNC8wMS8xMy0xOTo0NDowMCAgICAgICAgIj4gPHJkZjpSREYgeG1sbnM6cmRmPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5LzAyLzIyLXJkZi1zeW50YXgtbnMjIj4gPHJkZjpEZXNjcmlwdGlvbiByZGY6YWJvdXQ9IiIgeG1sbnM6eG1wTU09Imh0dHA6Ly9ucy5hZG9iZS5jb20veGFwLzEuMC9tbS8iIHhtbG5zOnN0UmVmPSJodHRwOi8vbnMuYWRvYmUuY29tL3hhcC8xLjAvc1R5cGUvUmVzb3VyY2VSZWYjIiB4bWxuczp4bXA9Imh0dHA6Ly9ucy5hZG9iZS5jb20veGFwLzEuMC8iIHhtcE1NOk9yaWdpbmFsRG9jdW1lbnRJRD0ieG1wLmRpZDo0ZDhlNWY5My05NmI0LTRlNWQtOGFjYi03ZTY4OGYyMTU2ZTYiIHhtcE1NOkRvY3VtZW50SUQ9InhtcC5kaWQ6NTEyNTVEMURGMkVFMTFFNEI5NDBCMjQ2M0ExMDQ1OUYiIHhtcE1NOkluc3RhbmNlSUQ9InhtcC5paWQ6NTEyNTVEMUNGMkVFMTFFNEI5NDBCMjQ2M0ExMDQ1OUYiIHhtcDpDcmVhdG9yVG9vbD0iQWRvYmUgUGhvdG9zaG9wIENDIDIwMTQgKE1hY2ludG9zaCkiPiA8eG1wTU06RGVyaXZlZEZyb20gc3RSZWY6aW5zdGFuY2VJRD0ieG1wLmlpZDo2MTc5NzNmZS02OTQxLTQyOTYtYTIwNi02NDI2YTNkOWU5YmUiIHN0UmVmOmRvY3VtZW50SUQ9InhtcC5kaWQ6NGQ4ZTVmOTMtOTZiNC00ZTVkLThhY2ItN2U2ODhmMjE1NmU2Ii8+IDwvcmRmOkRlc2NyaXB0aW9uPiA8L3JkZjpSREY+IDwveDp4bXBtZXRhPiA8P3hwYWNrZXQgZW5kPSJyIj8+YiRG4AAAALFJREFUeNpi/P//PwMlgImBQkA9A+bOnfsIiBOxKcInh+yCaCDuByoswaIOpxwjciACFegBqZ1AvBSIS5OTk/8TkmNEjwWgQiUgtQuIjwAxUF3yX3xyGIEIFLwHpKyAWB+I1xGSwxULIGf9A7mQkBwTlhBXAFLHgPgqEAcTkmNCU6AL9d8WII4HOvk3ITkWJAXWUMlOoGQHmsE45ViQ2KuBuASoYC4Wf+OUYxz6mQkgwAAN9mIrUReCXgAAAABJRU5ErkJggg==") no-repeat center;
}
.handler_ok_bg{
background: #fff url("data:image/png;base64,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") no-repeat center;
}
.drag_bg{
background-color: #7ac23c;
height: 34px;
width: 0px;
}
.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>
總結
以上所述是小編給大家介紹的vue仿淘寶滑動驗證碼功能，希望對大家有所幫助，如果大家有任何疑問請給我留言，小編會及時回復大家的。在此也非常感謝大家對腳本之家網站的支持！
如果你覺得本文對你有幫助，歡迎轉載，煩請注明出處，謝謝！
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