mirror of
https://gitee.com/lab1024/smart-admin.git
synced 2025-10-02 02:06:38 +08:00
289 lines
9.3 KiB
Vue
289 lines
9.3 KiB
Vue
<template>
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<div class="magnify">
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<div class="left_contaner">
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<div class="middle_img" @mouseover="boxMouseOver" @mouseleave="boxMouseLeave">
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<img :src="middleImg" alt="" style="width:100%">
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<div class="shade" @mouseover="shadeMouseOver" @mousemove="shadeMouseMove" ref="shade" v-show="isShade"></div>
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</div>
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<div class="carousel">
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<div class="left_arrow arrow" @click="leftArrowClick">
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<img src="../assets/image/userleft.jpg" alt="">
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</div>
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<div class="show_box">
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<ul class="picture_container" ref="middlePicture">
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<li class="picture_item" @click="tabPicture(item,index)" v-for="(item, index) in pictureList" :key="index">
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<img :src="item.attachmentPath" class="small_img" alt="">
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</li>
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</ul>
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</div>
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<div class="right_arrow arrow" @click="rightArrowClick">
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<img src="../assets/image/userright.png" alt="">
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</div>
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</div>
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</div>
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<div class="right_contanier" v-show="isBig">
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<img :src="middleImg" ref="bigImg" class="big_img" alt="">
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</div>
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</div>
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</template>
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<script>
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import $ from 'jquery'
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export default {
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props:['parentmsg'],
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props: {
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tableLabelTest:Array,
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imgList: Array, // 图片数据
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zoom: {
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default: 2, // 缩略比例,放大比例
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type: Number
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}
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},
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data() {
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return {
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middleImgWidth:350,
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middleImgHeight:350,
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thumbnailHeight:100,
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tableLabelTest1:this.tableLabelTest,
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pictureList: [
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{url: require("../assets/four.png")},
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{url: require("../assets/cat.png")},
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{url: require("../assets/one.png")},
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{url: require("../assets/six.png")},
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{url: require("../assets/six.png")},
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{url: require("../assets/six.png")},
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{url: require("../assets/four.png")},
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{url: require("../assets/cat.png")},
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{url: require("../assets/one.png")},
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{url: require("../assets/six.png")},
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{url: require("../assets/six.png")},
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{url: require("../assets/six.png")},
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],
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menu:[],
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middleImg: '', // 中图图片地址
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bigImg: '', // 大图图片地址
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isShade: false, // 控制阴影显示与否
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isBig: false, // 控制放大图显示与否
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initX: 0, // 初始clientX值
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initY: 0, // 初始clientY值
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leftX: 0, // 初始定位left
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topY: 0, // 初始定位top
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middleLeft: 0, // 当前放置小图盒子的定位left值,
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itemWidth: 80, // 缩略图每张的宽度
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}
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},
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watch:{
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data:'ifadroind',// 值可以为methods的方法名
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inputName: function(newValue) {
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this.pictureList=newValue;
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this.menu=newValue;
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console.log(this.newValue);
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}
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},
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created() {
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},
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mounted() {
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let user= JSON.parse(localStorage.getItem("message"));
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console.log(user);
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if(user!==null){
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this.pictureList=user;
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}
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if (user && user.length) {
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this.pictureList = user
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}
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this.middleImg = this.pictureList[0].attachmentPath;
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console.log(this.middleImg);
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// 计算缩略图的宽度,默认是显示4张图片,两边箭头的宽度和为50
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// this.itemWidth = (this.middleImgWidth-30) / 2
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this.ifadroind();
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this.$nextTick(() => {
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console.log(this.menu);
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// 容器的高
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const imgWidth = this.middleImgHeight + this.thumbnailHeight + 20
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// 设置容器宽高
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// $('.magnify').css({
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// width: this.middleImgWidth,
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// height: imgWidth
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// })
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// 设置移动阴影图宽高
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$('.middle_img .shade').css({
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width: this.middleImgWidth/this.zoom,
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height: this.middleImgHeight/this.zoom
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})
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// 设置缩略图容器高
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$('.carousel').css({
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height: this.thumbnailHeight
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})
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// 设置每个缩略图宽
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// $('.picture_item').css({
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// width: this.itemWidth
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// })
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// 设置放大后图片容器的宽高,left
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$('.right_contanier').css({
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left: this.middleImgWidth,
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width: imgWidth,
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height: imgWidth
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})
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// 设置放大图片的宽高(图片的放大倍数)
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$('.right_contanier .big_img').css({
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width: imgWidth * this.zoom,
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height: imgWidth * this.zoom
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})
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})
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},
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methods: {
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//判断是手机打开还是电脑打开
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ifadroind(){
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var sUserAgent = navigator.userAgent.toLowerCase();
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var bIsIpad = sUserAgent.match(/ipad/i) == "ipad";
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var bIsIphoneOs = sUserAgent.match(/iphone os/i) == "iphone os";
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var bIsMidp = sUserAgent.match(/midp/i) == "midp";
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var bIsUc7 = sUserAgent.match(/rv:1.2.3.4/i) == "rv:1.2.3.4";
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var bIsUc = sUserAgent.match(/ucweb/i) == "ucweb";
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var bIsAndroid = sUserAgent.match(/android/i) == "android";
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var bIsCE = sUserAgent.match(/windows ce/i) == "windows ce";
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var bIsWM = sUserAgent.match(/windows mobile/i) == "windows mobile";
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if ((bIsIpad || bIsIphoneOs || bIsMidp || bIsUc7 || bIsUc || bIsAndroid || bIsCE || bIsWM)) {
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//Mob Screen
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}else{
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//PC screen size
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this.middleImgWidth=560;
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this.middleImgHeight=560;
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}
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$('.middle_img').css({
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width: this.middleImgWidth,
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height: this.middleImgHeight
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})
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},
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// 产品图片鼠标移入事件,显示阴影,显示大图
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boxMouseOver (e) {
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e.preventDefault();
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e.stopPropagation();
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this.isShade = true
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this.isBig = true
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// 计算阴影的位置
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let x = e.offsetX - $('.shade').width()/2
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let y = e.offsetY - $('.shade').height()/2
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let maxLeft = $('.middle_img').width() - $('.shade').width()
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let maxTop = $('.middle_img').height() - $('.shade').height()
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x = x <= 0 ? 0 : x
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x = x >= maxLeft ? maxLeft : x
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y = y <= 0 ? 0 : y
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y = y >= maxTop ? maxTop : y
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$('.shade').css({
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left: x,
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top: y
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})
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},
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// 鼠标在阴影移动
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shadeMouseMove (e) {
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e.preventDefault();
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e.stopPropagation();
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//用页面x - 父盒子的offsetLeft - 父盒子的左边框宽度
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var x = this.getEventPage(e).pageX - $('.middle_img')[0].offsetParent.offsetLeft - $('.middle_img')[0].offsetParent.clientLeft;
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//用页面y - 父盒子的offsetTop - 父盒子的上边框宽度
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var y = this.getEventPage(e).pageY - $('.middle_img')[0].offsetParent.offsetTop - $('.middle_img')[0].offsetParent.clientTop;
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//让阴影的坐标居中
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x -= $('.shade').width() / 2;
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y -= $('.shade').height() / 2;
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// 移动边界限制
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let maxLeft = $('.middle_img').width() - $('.shade').width()
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let maxTop = $('.middle_img').height() - $('.shade').height()
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x = x <= 0 ? 0 : x
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x = x >= maxLeft ? maxLeft : x
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y = y <= 0 ? 0 : y
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y = y >= maxTop ? maxTop : y
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// 重新赋值当前的定位值
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$('.shade').css({
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left: x,
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top: y
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})
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// 计算出实时的大图的定位,首先计算出比例
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// 比例为x:大图宽度/小图宽度 y: 大图高度/小图高度,将小图的定位乘以比例就是大图的定位
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const xRate = $('.big_img').width() / $('.middle_img').width()
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const yRate = $('.big_img').height() / $('.middle_img').height()
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$('.big_img').css({
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left: -x*xRate,
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top: -y*yRate
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})
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// console.log(e, x, y, xRate, yRate, 66677)
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},
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// 鼠标移入阴影,去除自定义事件
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shadeMouseOver (e) {
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e.preventDefault();
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e.stopPropagation();
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// console.log(88888, e)
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},
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// 图片移出隐藏阴影和大图
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boxMouseLeave () {
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this.isShade = false
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this.isBig = false
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},
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// 切换图片
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tabPicture (item,index) {
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this.middleImg = item.attachmentPath
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this.$emit('changeName',item)
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console.log(item,index)
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},
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// 点击左边箭头
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leftArrowClick () {
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if (this.middleLeft < 0) {
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// 每次向右平移一个图片盒子的宽度
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this.middleLeft += this.itemWidth
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$('.picture_container').animate({
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left: this.middleLeft
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}, 500)
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}
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},
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// 点击右边箭头
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rightArrowClick () {
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// 每次向左平移一个盒子的宽度,最多移动的宽度为(图片数组长度-1)*每张缩略图的宽度
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if (this.middleLeft > -this.itemWidth*(this.pictureList.length-1)) {
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this.middleLeft -= this.itemWidth
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$('.picture_container').animate({
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left: this.middleLeft
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}, 500)
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}
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},
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/**
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* 获取网页滚出去的距离（包括上面滚出去的部分和左边滚出去的部分）
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* @returns {{scrollTop: (Number|number), scrollLeft: (Number|number)}}
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*/
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getPageScroll() {
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return {
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scrollTop: window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop || 0,
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scrollLeft: window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft || 0
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}
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},
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/**
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* 获取事件对象点击的点，相对于文档左上角的坐标
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* @param e
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* @returns {{pageX: *, pageY: *}}
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*/
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getEventPage(e) {
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return {
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pageX: e.clientX + this.getPageScroll().scrollLeft,
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pageY: e.clientY + this.getPageScroll().scrollTop
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}
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}
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}
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}
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</script>
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<style lang="less" scoped>
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@import url("../assets/css/magnifier.less");
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</style>
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