js/vue實現滑塊驗證(元件形式,可重複呼叫)(方法2)
阿新 • • 發佈:2020-12-17
子元件中程式碼如下:
<template> <div class="jc-component__range"> <div class="jc-range" :class="rangeStatus?'success':''" > <div class="backbg"></div> <i @mousedown="rangeMove" :class="rangeStatus?successIcon:startIcon"></i> <div>{{rangeStatus?successText:startText}}</div> </div> </div> </template> <script> exportdefault { props: { // 成功之後的函式 successFun: { type: Function }, //成功圖示 successIcon: { type: String, default: 'el-icon-success' }, //成功文字 successText: { type: String, default: '驗證成功' },//開始的圖示 startIcon: { type: String, default: 'el-icon-d-arrow-right' }, //開始的文字 startText: { type: String, default: '請拖住滑塊,拖動到最右邊' }, //失敗之後的函式 errorFun: { type: Function }, //或者用值來進行監聽status: { type: String } }, data(){ return { disX : 0, rangeStatus: false } }, methods:{ //滑塊移動 rangeMove(e){ let ele = e.target; let startX = e.clientX; let eleWidth = ele.offsetWidth; let parentWidth = ele.parentElement.offsetWidth; let MaxX = parentWidth - eleWidth; let leftBox = document.getElementsByClassName('backbg')[0]; if(this.rangeStatus){//不執行 return false; } document.onmousemove = (e) => { let endX = e.clientX; this.disX = endX - startX; if(this.disX<=0){ this.disX = 0; } if(this.disX>=MaxX-eleWidth){//減去滑塊的寬度,體驗效果更好 this.disX = MaxX; } ele.style.transition = '.1s all'; ele.style.transform = 'translateX('+this.disX+'px)'; e.preventDefault(); } document.onmouseup = ()=> { leftBox.style.width = 0+'px' leftBox.style.transition = '.5s all'; if(this.disX !== MaxX){ ele.style.transition = '.5s all'; ele.style.transform = 'translateX(0)'; //執行成功的函式 this.errorFun && this.errorFun(); }else{ this.rangeStatus = true; if(this.status){ this.$parent[this.status] = true; } //執行成功的函式 this.successFun && this.successFun(); } document.onmousemove = null; document.onmouseup = null; } } } }; </script> <style lang="scss" scoped> @mixin jc-flex{ display: flex; justify-content: center; align-items: center; } .backbg{ width: 0; height: 100%; background-color: #4092ff; position: absolute; left: 0; } .jc-component__range{ .jc-range{ background-color: #e9e9e9; position: relative; transition: 1s all; user-select: none; color: #585858; @include jc-flex; height: 50px; /*no*/ &.success{ background-color: #4092ff; color: #fff; i{ color: #4092ff; } } i{ position: absolute; left: 0; width: 40px;/*no*/ height: 98%; color: #4092ff; background-color: #fff; border: 1px solid #d8d8d8; cursor: pointer; font-size: 24px; @include jc-flex; } } } </style>
父元件呼叫:
<JcRange :successFun="onMpanelSuccess" :errorFun="onMpanelError"></JcRange>
引入子元件:
import JcRange from "@/components/JcRange.vue";
components: {
JcRange
},
父元件寫成功回撥和失敗回撥:
onMpanelSuccess(){
},
onMpanelError(){
},
若滑塊需多次呼叫(如更新資訊時,為防止惡意調介面,則每次更新資訊都進行滑塊驗證),可使用v-if控制顯示隱藏
<div v-if="showUpdatVerify">
<JcRange :successFun="onMpanelSuccess" :errorFun="onMpanelError"></JcRange>
</div>
效果如下:
(未拖動)
(拖動中)
(驗證成功)
參考連結:https://blog.csdn.net/qq_43487181/article/details/94143663