vue 批量图片上传

HTML代码

                        <div id="app" ><div class="hello" ><div class="upload"><div class="upload_warp_left" @click="fileClick" ><button class="btn btn-success">上传图片</button></div><div class="upload_warp_text">选中{{imgList.length}}张文件，共{{bytesToSize(this.size)}}; 最多上传<span class="text-primary"> 6</span> 张图片！</div><div class="upload_warp" style="border: 1px solid white;"><div class="upload_warp_img" v-show="imgList.length!=0" ><div class="upload_warp_img_div" v-for="(item,index) of imgList" ><div class="upload_warp_img_div_top" ><div class="upload_warp_img_div_text" >{{item.file.name}}</div><img src="./del.png" class="upload_warp_img_div_del" @click="fileDel(index)"></div><img :src="item.file.src"></div></div></div><input @change="fileChange($event)" type="file" id="upload_file" multiple style="display: none"/></div></div></div>

css代码


.upload_warp_img_div_del {position: absolute;top: 6px;width: 16px;right: 4px;
}.upload_warp_img_div_top {position: absolute;top: 0;width: 100%;height: 30px;background-color: rgba(0, 0, 0, 0.4);line-height: 30px;text-align: left;color: #fff;font-size: 12px;text-indent: 4px;
}.upload_warp_img_div_text {white-space: nowrap;width: 80%;overflow: hidden;text-overflow: ellipsis;
}.upload_warp_img_div img {max-width: 100%;max-height: 100%;vertical-align: middle;
}.upload_warp_img_div {position: relative;height: 100px;width: 120px;border: 1px solid #ccc;margin: 0px 5px 5px 0px;float: left;line-height: 100px;display: table-cell;text-align: center;background-color: #eee;cursor: pointer;
}.upload_warp_img {border-top: 1px solid #D2D2D2;padding: 5px 0 0 5px;overflow: hidden
}.upload_warp_text {text-align: left;margin-bottom: 5px;padding-top: 5px;text-indent: 14px;border-top: 1px solid #ccc;font-size: 14px;
}.upload_warp_right {float: left;width: 57%;margin-left: 2%;height: 100%;border: 1px dashed #999;border-radius: 4px;line-height: 130px;color: #999;
}.upload_warp_left button {margin: 8px 5px 0px 5px;cursor:pointer;}.upload_warp_left {float: left;}.upload_warp {margin: 5px;}.upload {border-left: 1px solid #ccc;border-right: 1px solid #ccc;background-color: #fff;width: 770px;box-shadow: 0px 1px 0px #ccc;border-radius: 4px;
}.hello {width: 770px;text-align: center;
}

js 代码


//  import up from  './src/components/Hello'
var app = new Vue({el: '#app',data () {return {imgList: [],size: 0}},methods: {fileClick(){document.getElementById('upload_file').click()},fileChange(el){if (!el.target.files[0].size) return;this.fileList(el.target.files);el.target.value = ''},fileList(files){for (let i = 0; i < files.length; i++) {this.fileAdd(files[i]);}},fileAdd(file){this.size = this.size + file.size;//总大小let reader = new FileReader();reader.vue = this;reader.readAsDataURL(file);reader.onload = function () {file.src = this.result;this.vue.imgList.push({file});}},fileDel(index){this.size = this.size - this.imgList[index].file.size;//总大小this.imgList.splice(index, 1);},bytesToSize(bytes){if (bytes === 0) return '0 B';let k = 1000, // or 1024sizes = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'],i = Math.floor(Math.log(bytes) / Math.log(k));return (bytes / Math.pow(k, i)).toPrecision(3) + ' ' + sizes[i];},dragenter(el){el.stopPropagation();el.preventDefault();},dragover(el){el.stopPropagation();el.preventDefault();},drop(el){el.stopPropagation();el.preventDefault();this.fileList(el.dataTransfer.files);}}})

最多上传6张是我的项目需要加上去的，实际并没有限制，可以无限上传，需要VUE2.2 以上版本支持，需要技术支持可以加我QQ 156356969
个人博客 (http://www.haomaitian.com 好麦田
图片实际不限制可以上传更多，