proginn-frontend/pages/frontend/requirements/components/Loading.vue

<template>
<div class="form-loading" v-if="loadingAnimate">
    <div class="form-loading-container">
        <div class="loading3">
            <div class="circle circle1">
                <span></span>
                <span></span>
                <span></span>
                <span></span>
            </div>
            <div class="circle circle2">
                <span></span>
                <span></span>
                <span></span>
                <span></span>
            </div>
            <div class="circle circle3">
                <span></span>
                <span></span>
                <span></span>
                <span></span>
            </div>
        </div>

        <div class="form-loading-text">
            <p>正在为您匹配人才...</p>
            <p>倒计时{{times}}秒</p>
        </div>
    </div>
</div>
</template>

<script>
let timer
export default {
    data() {
        return {
            times: 5,
            loadingAnimate: false
        }
    },
    destroy() {
        clearInterval(timer)
        timer = null
    },
    methods: {
        start() {
            return new Promise((resolve, reject) => {
                this.loadingAnimate = true;
                timer = setInterval(() => {
                    this.times--
                    if (this.times == 0) {
                        clearInterval(timer)
                        timer = null
                        this.times = 5
                        this.loadingAnimate = false
                        resolve()
                    }
                }, 1000)
            })
        },
        stop() {
            clearInterval(timer)
            timer = null
            this.times = 5
            this.loadingAnimate = false
        }
    }
}
</script>

<style lang="scss" scoped>
.form-loading {
    position: fixed;
    z-index: 100;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
}

.form-loading-container {
    position: absolute;
    left: 50%;
    top: 45%;
    transform: translate(-50%, -50%);
}

.form-loading-text {
    text-align: center;

    p {
        line-height: 2em;
        color: #409EFF;
    }
}

.loading3 {
    width: 70px;
    height: 70px;
    margin: 50px auto;
    position: relative;

}

.circle {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.circle span {
    width: 8px;
    height: 8px;
    display: inline-block;
    background: #409EFF;
    border-radius: 100%;
    position: absolute;
    -webkit-animation: mycircle 1.2s infinite ease-in-out;
    animation: mycircle 1.2s infinite ease-in-out;
    -webkit-animation-fill-mode: both;
    animation-fill-mode: both;
}

.circle2 {
    -webkit-transform: rotateZ(45deg);
    transform: rotateZ(45deg);
}

.circle3 {
    -webkit-transform: rotateZ(90deg);
    transform: rotateZ(90deg);
}

.circle>span:nth-child(1) {
    top: 0;
    left: 0;
}

.circle>span:nth-child(2) {
    top: 0;
    right: 0;
}

.circle>span:nth-child(3) {
    right: 0;
    bottom: 0;
}

.circle>span:nth-child(4) {
    left: 0;
    bottom: 0;
}

.circle2>span:nth-child(1) {
    -webkit-animation-delay: -1.1s;
    animation-delay: -1.1s;
}

.circle3>span:nth-child(1) {
    -webkit-animation-delay: -1.0s;
    animation-delay: -1.0s;
}

.circle1>span:nth-child(2) {
    -webkit-animation-delay: -0.9s;
    animation-delay: -0.9s;
}

.circle2>span:nth-child(2) {
    -webkit-animation-delay: -0.8s;
    animation-delay: -0.8s;
}

.circle3>span:nth-child(2) {
    -webkit-animation-delay: -0.7s;
    animation-delay: -0.7s;
}

.circle1>span:nth-child(3) {
    -webkit-animation-delay: -0.6s;
    animation-delay: -0.6s;
}

.circle2>span:nth-child(3) {
    -webkit-animation-delay: -0.7s;
    animation-delay: -0.7s;
}

.circle3>span:nth-child(3) {
    -webkit-animation-delay: -0.4s;
    animation-delay: -0.4s;
}

.circle1>span:nth-child(4) {
    -webkit-animation-delay: -0.3s;
    animation-delay: -0.3s;
}

.circle2>span:nth-child(4) {
    -webkit-animation-delay: -0.2s;
    animation-delay: -0.2s;
}

.circle3>span:nth-child(4) {
    -webkit-animation-delay: -0.1s;
    animation-delay: -0.1s;
}

@-webkit-keyframes mycircle {
    0% {
        transform: scale(0.0);
    }

    40% {
        transform: scale(1.0);
    }

    80% {
        transform: scale(0.0);
    }

    100% {
        transform: scale(0.0);
    }
}

@keyframes mycircle {
    0% {
        transform: scale(0.0);
    }

    40% {
        transform: scale(1.0);
    }

    80% {
        transform: scale(0.0);
    }

    100% {
        transform: scale(0.0);
    }
}
</style>