Vue实现商品详情鼠标移动+放大显示图片细节
效果图
代码实现
<template> <div> <div style="position: relative;" class="box"> <img @mousemove="updatePositions" src="https://img.pddpic.com/gaudit-image/2023-07-09/36b632c77506c42d1bc206924a054310.jpeg" alt="" /> <div v-if="moveVisiable" class="move" @mouseout="()=>moveVisiable = false" style="" @mousemove="updatePosition" :style="draggableStyle"></div> <div class="preview" v-if="moveVisiable"> <img :style="detailImageStyle" src="https://img.pddpic.com/gaudit-image/2023-07-09/36b632c77506c42d1bc206924a054310.jpeg" width="800px" height="800px" alt="" /> </div> </div> </div> </template> <script> export default { components: {}, data() { return { top: 0, left: 0, offset: { x: 200, y: 200 }, moveVisiable: false, animationFrameId: null, } }, computed: { detailImageStyle() { return { transform: `translate(${-this.offset.x}px, ${-this.offset.y}px)` }; }, draggableStyle() { return { transform: `translate(${this.offset.x}px, ${this.offset.y}px)` }; } }, methods: { name() { }, updatePositions(event) { // console.log('event: ',event); const { clientX, clientY } = event; const x = event.clientX - 50; const y = event.clientY - 50; this.offset = { x: Math.min(Math.max(x, 0), 300), y: Math.min(Math.max(y, 0), 300) }; this.moveVisiable = true; }, updatePosition(event) { const { clientX, clientY } = event; console.log('clientY: ', clientY, 'clientX: ', clientX); if (!this.animationFrameId) { this.animationFrameId = requestAnimationFrame(() => { const x = event.clientX - 50; const y = event.clientY - 50; this.offset = { x: Math.min(Math.max(x, 0), 300), y: Math.min(Math.max(y, 0), 300) }; // this.offset = { // x:x<0?0:x, // y:y>300?300:y // }; this.animationFrameId = null; }); } } }, } </script> <style scoped> .box { height: 400px; width: 400px; } .move { cursor: move; width: 100px; height: 100px; background-color: #faebd7a1; position: absolute; top: 0px; border: 1px dashed orange; } .preview { overflow: hidden; position: absolute; width: 600px; height: 600px; left: 400px; top: 0; } </style>
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