基于Vue实现左右滑动轮播图

<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, init

宝码哥

3349人浏览 · 2021-06-01 17:35:44

宝码哥 · 2021-06-01 17:35:44 发布

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="./bower_components/vue/dist/vue.js"></script>
    <style>
        .img-wrap {
            width: 500px;
            height: 300px;
            overflow: hidden;
            position: relative;

        }

        img {
            width: 500px;
            height: 300px;
            position: absolute;
            top: 0;
            left: 0;
        }

        .left-btn {
            position: absolute;
            left: 20px;
            top: 140px;
            z-index: 99;
        }

        .right-btn {
            position: absolute;
            right: 20px;
            top: 140px;
            z-index: 99;
        }

        .slide-left-enter-active,
        .slide-left-leave-active {
            transition: all 2s ease;
        }

        .slide-left-enter {

            transform: translateX(500px);
        }

        .slide-left-leave-to {

            transform: translateX(-500px);
        }

        .slide-right-enter-active,
        .slide-right-leave-active {
            transition: all 2s ease;
        }

        .slide-right-enter {

            transform: translateX(-500px);
        }

        .slide-right-leave-to {

            transform: translateX(500px);
        }

        .title-wrap {
            width: 500px;
            height: 50px;
            position: absolute;
            bottom: 0;
            background-color: rgba(0, 0, 0, 0.5);
            color: #fff;
            line-height: 50px;
        }

        .dot-wrap {
            float: right;
        }

        i {
            display: inline-block;
            width: 10px;
            height: 10px;
            background-color: #fff;
            border-radius: 50%;
            margin: 0 5px;
        }

        .active {
            background-color: aqua;
        }
    </style>
</head>

<body>
    <div id="app">
        <div class="img-wrap" @mouseover="mouseOver" @mouseleave="mouseLeave">
            <button class="left-btn" @click="leftSlide"> left </button>
            <button class="right-btn" @click="rightSlide"> right </button>
            <template v-for="(item,index) in img">
                <transition :name="transitionName">
                    <img :src="item.pic" alt="" v-show="index==current">
                </transition>
            </template>
            <div class="title-wrap">
                <template v-for="(item,index) in img">
                    <span v-show="index==current">{{item.title}}</span>
                </template>
                <div class="dot-wrap">
                    <template v-for="(item,index) in img">
                        <i :class="{'active':index==current}" @click="curr(index)"></i>
                    </template>
                </div>
            </div>
        </div>
    </div>
    <script>
        new Vue({
            el: '#app',
            data: {
                img: [
                    { pic: 'img/1.jpg', title: 'img1' },
                    { pic: 'img/2.jpg', title: 'img2' },
                    { pic: 'img/3.jpg', title: 'img3' },
                    { pic: 'img/4.jpg', title: 'img4' },
                    { pic: 'img/5.jpg', title: 'img5' }
                ],
                transitionName: 'slide-left',
                current: 0, //当前展示的下标
                autoTimer: null //自动轮播定时器
            },
            computed: {
                maxIndex() {
                    return this.img.length - 1;
                }
            },
            methods: {
                leftSlide() {
                    this.transitionName = 'slide-left'
                    if (this.current == 0) {
                        this.current = 5;
                    } else {
                        this.current--
                    }
                },
                rightSlide() {
                    this.transitionName = 'slide-right'
                    if (this.current == this.maxIndex) {
                        this.current = 0;
                    } else {
                        this.current++
                    }
                },
                curr(index) {
                    this.current = index;
                },
                mouseOver() {
                    clearInterval(this.autoTimer);
                },
                mouseLeave() {
                    this.timer();
                },
                timer() {
                    let that = this;
                    this.autoTimer = setInterval(function () {
                        that.transitionName = 'slide-right'
                        if (that.current == that.maxIndex) {
                            that.current = 0;
                        } else {
                            that.current++
                        }
                    }, 2000)
                }
            },
            mounted() {
                this.timer()
            },
        })
    </script>
</body>

</html>

Vue

前往低代码交流专区

更多推荐

vue 表单验证

1、6位小写字母和数字必须包含两个字母rules: [{ required: true, message: "XXX不能为空", trigger: "blur" },{ max: 6, message: "最大长度为6位字符", trigger: "blur" },{pattern: /^(?=(?:[^a-z]*[a-z]){2})[a-z0-9]{6,6}$/, //不连续的两位字母// /^