<template>
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<div class="drag" ref="dragDiv">
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<div class="drag_bg"></div>
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<div class="drag_text">{{confirmWords}}</div>
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<div ref="moveDiv" @mousedown="mousedownFn($event)" :class="{'handler_ok_bg':confirmSuccess}" class="handler handler_bg" style="border: 0.5px solid #fff;height: 34px;position: absolute;top: 0px;left: 0px;"></div>
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</div>
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</template>
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<script>
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export default {
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name:"JSlider",
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data(){
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return {
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beginClientX:0, /*距离屏幕左端距离*/
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mouseMoveStata:false, /*触发拖动状态 判断*/
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maxwidth:'', /*拖动最大宽度，依据滑块宽度算出来的*/
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confirmWords:'拖动滑块验证', /*滑块文字*/
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confirmSuccess:false /*验证成功判断*/
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}
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},
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methods: {
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isSuccess(){
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return this.confirmSuccess
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},
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mousedownFn:function (e) {
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if(!this.confirmSuccess){
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e.preventDefault && e.preventDefault(); //阻止文字选中等 浏览器默认事件
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this.mouseMoveStata = true;
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this.beginClientX = e.clientX;
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}
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}, //mousedoen 事件
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successFunction(){
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this.confirmSuccess = true
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this.confirmWords = '验证通过';
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if(window.addEventListener){
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document.getElementsByTagName('html')[0].removeEventListener('mousemove',this.mouseMoveFn);
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document.getElementsByTagName('html')[0].removeEventListener('mouseup',this.moseUpFn);
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}else {
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document.getElementsByTagName('html')[0].removeEventListener('mouseup',()=>{});
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}
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document.getElementsByClassName('drag_text')[0].style.color = '#fff'
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document.getElementsByClassName('handler')[0].style.left = this.maxwidth + 'px';
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document.getElementsByClassName('drag_bg')[0].style.width = this.maxwidth + 'px';
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this.$emit("onSuccess",true)
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}, //验证成功函数
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mouseMoveFn(e){
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if(this.mouseMoveStata){
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let width = e.clientX - this.beginClientX;
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if(width>0 && width<=this.maxwidth){
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document.getElementsByClassName('handler')[0].style.left = width + 'px';
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document.getElementsByClassName('drag_bg')[0].style.width = width + 'px';
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}else if(width>this.maxwidth){
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this.successFunction();
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}
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}
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}, //mousemove事件
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moseUpFn(e){
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this.mouseMoveStata = false;
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var width = e.clientX - this.beginClientX;
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if(width<this.maxwidth){
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// ---- update-begin- author:sunjianlei --- date:20191009 --- for: 修复获取不到 handler 的时候报错 ----
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let handler = document.getElementsByClassName('handler')[0]
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if (handler) {
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handler.style.left = 0 + 'px'
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document.getElementsByClassName('drag_bg')[0].style.width = 0 + 'px'
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}
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// ---- update-end- author:sunjianlei --- date:20191009 --- for: 修复获取不到 handler 的时候报错 ----
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}
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} //mouseup事件
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},
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mounted(){
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this.maxwidth = this.$refs.dragDiv.clientWidth - this.$refs.moveDiv.clientWidth;
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document.getElementsByTagName('html')[0].addEventListener('mousemove',this.mouseMoveFn);
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document.getElementsByTagName('html')[0].addEventListener('mouseup',this.moseUpFn)
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}
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}
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</script>
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<style scoped>
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.drag{
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position: relative;
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background-color: #e8e8e8;
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width: 100%;
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height: 34px;
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line-height: 34px;
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text-align: center;
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}
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.handler{
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width: 40px;
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height: 32px;
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border: 1px solid #ccc;
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cursor: move;
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}
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.handler_bg{
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background: #fff url("data:image/png;base64,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") no-repeat center;
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}
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.handler_ok_bg{
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background: #fff url("data:image/png;base64,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") no-repeat center;
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}
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.drag_bg{
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background-color: #7ac23c;
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height: 34px;
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width: 0px;
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}
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.drag_text{
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position: absolute;
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top: 0px;
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width: 100%;text-align: center;
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-moz-user-select: none;
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-webkit-user-select: none;
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user-select: none;
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-o-user-select:none;
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-ms-user-select:none;
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}
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</style>
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