vue实现图片上传预览功能
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2022-06-25 13:01:01
本文实例为大家分享了vue实现图片上传预览的具体代码,供大家参考,具体内容如下...
本文实例为大家分享了vue实现图片上传预览的具体代码,供大家参考,具体内容如下
效果图
html结构
<ul class="gallery-window-map" style="flex-wrap:wrap;"> <!--点击上传按钮--> <li class="house-pic-item" v-if="!(!item.isnew&&editbtntype[index])" @click="houseupload(index)"> <div class="pic-box"> <span class="iconfont icon-zengjia"></span> <h5 class="btn-tit">点击上传</h5> </div> </li> <!--展示区域--> <viewer :images="item.imgurl"> <li class="house-pic-item" v-for="(picitem, picindex) in item.imgurl" :key="picindex"> <img :src="picitem" alt="" :key="picitem" width="120" height="90" :ref="'showimg_'+index"> <div class="mask"> <div class="ico-box"> <span class="font-btn" @click="clickwatchimg('showimg_'+index,picindex)"> <i class="iconfont icon-fangda"></i> </span> <span class="font-btn" v-if="!(!item.isnew&&editbtntype[index])" @click="delhouseimage(index,picindex)"> <i class="iconfont icon-shanchu"></i> <i class="line"></i> </span> </div> </div> </li> </viewer> </ul>
css样式
.gallery-window-map{ display: -webkit-box; display: -ms-flexbox; display: flex; margin-top: 10px; } .house-pic-item { position: relative; display: inline-block; margin-right: 13px; width: 120px; height: 90px; background-color: #e3e3e3; } .pic-box { width: 100%; text-align: center; } .icon-zengjia { position: relative; top: 12px; font-size: 26px; color: #b2b2b2; } .btn-tit { height: 38px; line-height: 38px; font-size: 12px; color: #999; } .mask { display: none; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(34, 34, 34, 0.6); } .font-btn { display: inline-block; height: 40px; width: 50%; padding: 0 20px; -webkit-box-sizing: border-box; box-sizing: border-box; } .font-btn:last-child { position: relative; } .icon-fangda, .icon-shanchu { font-size: 22px; color: #fff; } .line { content: ''; display: inline-block; position: absolute; left: 0; top: 10px; width: 1px; height: 20px; background: #fff; }
/** * 模拟点击上传图片按钮 * @index 当前操作的户型box的索引 */ houseupload(index) { this.$refs.housetypeload[index].click() }, /** * 上传图片到服务器 * @index 当前操作的户型box的索引 */ uploadhouse(e, index) { let _that = this const file = e.target.files[0] if (!file) { return } new imagecompressor(file, { quality: 0.9, maxwidth: 2000, maxheight: 2000, success(result) { // debugger const formdata = new formdata() formdata.append('file', result, result.name) formdata.append('watermark', false) // send the compressed image file to server with xmlhttprequest. if (result.size > 1 * 1024 * 1024 || result.size < 3 * 1024) { _that.$message('图片大小要在3k~1m之间') return } else { _that.$ajax.post('/img/upload', formdata).then(res => { res = res.data if (res.images && res.images.length > 0) { if (res.images[0].src !== 'file size is too small') { let item = res.images[0].src console.log(item) _that.housetypeform[index].imgurl.unshift(item) } } }) } }, error(e) { console.log(e.message) } }) }, /** * 打开图片查看器 */ clickwatchimg(str, picindex) { console.log('=================') console.log(picindex) console.log(this.$refs[str][picindex]) this.$refs[str][picindex].click() }, /** * 删除指定图片,操作表单数据 * @index 当前操作的户型box的索引 * @picindex 当前操作的图片索引 */ delhouseimage(index, picindex) { this.housetypeform[index].imgurl.splice(picindex, 1) },
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