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>
<div
ref="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].clientX
let 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].clientX
var 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,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAA3hpVFh0WE1MOmNvbS5hZG9iZS54bXAAAAAAADw/eHBhY2tldCBiZWdpbj0i77u/IiBpZD0iVzVNME1wQ2VoaUh6cmVTek5UY3prYzlkIj8+IDx4OnhtcG1ldGEgeG1sbnM6eD0iYWRvYmU6bnM6bWV0YS8iIHg6eG1wdGs9IkFkb2JlIFhNUCBDb3JlIDUuNS1jMDIxIDc5LjE1NTc3MiwgMjAxNC8wMS8xMy0xOTo0NDowMCAgICAgICAgIj4gPHJkZjpSREYgeG1sbnM6cmRmPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5LzAyLzIyLXJkZi1zeW50YXgtbnMjIj4gPHJkZjpEZXNjcmlwdGlvbiByZGY6YWJvdXQ9IiIgeG1sbnM6eG1wTU09Imh0dHA6Ly9ucy5hZG9iZS5jb20veGFwLzEuMC9tbS8iIHhtbG5zOnN0UmVmPSJodHRwOi8vbnMuYWRvYmUuY29tL3hhcC8xLjAvc1R5cGUvUmVzb3VyY2VSZWYjIiB4bWxuczp4bXA9Imh0dHA6Ly9ucy5hZG9iZS5jb20veGFwLzEuMC8iIHhtcE1NOk9yaWdpbmFsRG9jdW1lbnRJRD0ieG1wLmRpZDo0ZDhlNWY5My05NmI0LTRlNWQtOGFjYi03ZTY4OGYyMTU2ZTYiIHhtcE1NOkRvY3VtZW50SUQ9InhtcC5kaWQ6NDlBRDI3NjVGMkQ2MTFFNEI5NDBCMjQ2M0ExMDQ1OUYiIHhtcE1NOkluc3RhbmNlSUQ9InhtcC5paWQ6NDlBRDI3NjRGMkQ2MTFFNEI5NDBCMjQ2M0ExMDQ1OUYiIHhtcDpDcmVhdG9yVG9vbD0iQWRvYmUgUGhvdG9zaG9wIENDIDIwMTQgKE1hY2ludG9zaCkiPiA8eG1wTU06RGVyaXZlZEZyb20gc3RSZWY6aW5zdGFuY2VJRD0ieG1wLmlpZDphNWEzMWNhMC1hYmViLTQxNWEtYTEwZS04Y2U5NzRlN2Q4YTEiIHN0UmVmOmRvY3VtZW50SUQ9InhtcC5kaWQ6NGQ4ZTVmOTMtOTZiNC00ZTVkLThhY2ItN2U2ODhmMjE1NmU2Ii8+IDwvcmRmOkRlc2NyaXB0aW9uPiA8L3JkZjpSREY+IDwveDp4bXBtZXRhPiA8P3hwYWNrZXQgZW5kPSJyIj8+k+sHwwAAASZJREFUeNpi/P//PwMyKD8uZw+kUoDYEYgloMIvgHg/EM/ptHx0EFk9I8wAoEZ+IDUPiIMY8IN1QJwENOgj3ACo5gNAbMBAHLgAxA4gQ5igAnNJ0MwAVTsX7IKyY7L2UNuJAf+AmAmJ78AEDTBiwGYg5gbifCSxFCZoaBMCy4A4GOjnH0D6DpK4IxNSVIHAfSDOAeLraJrjgJp/AwPbHMhejiQnwYRmUzNQ4VQgDQqXK0ia/0I17wJiPmQNTNBEAgMlQIWiQA2vgWw7QppBekGxsAjIiEUSBNnsBDWEAY9mEFgMMgBk00E0iZtA7AHEctDQ58MRuA6wlLgGFMoMpIG1QFeGwAIxGZo8GUhIysmwQGSAZgwHaEZhICIzOaBkJkqyM0CAAQDGx279Jf50AAAAAABJRU5ErkJggg==") 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>