vue上传图片到oss的方法示例（图片带有删除功能）

<template>  <div class="vue-uploader">    <div class="file-list">      <section v-for="(file, index) of files" class="file-item draggable-item" :key="file.name">        <img :src="file.src" alt="" ondragstart="return false;">        <span class="file-remove" @click="remove(index)">+</span>      </section>      <section v-if="status == 'ready'" class="file-item">        <div @click="add" class="add"></div>      </section>    </div>    <section v-if="files.length != 0" class="upload-func">      <div class="progress-bar">        <section v-if="uploading" :width="(percent * 100) + '%'">{{(percent * 100) + '%'}}</section>      </div>      <div class="operation-box">        <button v-if="status == 'ready'" @click="submit">上传</button>        <button v-if="status == 'finished'" @click="finished">完成</button>      </div>    </section>    <input type="file" @change="fileChanged" ref="file" multiple="multiple" accept="image/jpg,image/jpeg,image/png,image/bmp">  </div></template><script>  export default {    data() {      return {        status: 'ready',        files: [],        point: {},        uploading: false,        percent: 0      }    },    methods: {      add() {        this.$refs.file.click()      },      submit() {        console.log(this.files)        // if (this.files.length === 0) {        //   console.warn('no file!');        //   return        // }        var that=this       // 这里是OSS        const client = new OSS.Wrapper({          region: 'oss-cn-hangzhou',           accessKeyId: 'your access key',          accessKeySecret: 'your access secret',          bucket: 'your bucket name'        });        const fNum = this.files;        for(var i=0;i<fNum.length;i++){          var f=fNum[i].file          console.log(f)          const Name=f.name          console.log(Name)          const suffix = Name.substr(Name.indexOf("."));          const obj=this.timestamp();          const storeAs = 'header/'+obj+suffix // 路径+时间戳+后缀名          console.log(storeAs)          client.multipartUpload(storeAs, f).then(function (result){            console.log(result.res.requestUrls)          })        }      },      // 时间戳      timestamp:function(){         const time = new Date();         const y = time.getFullYear();         const m = time.getMonth()+1;         const d = time.getDate();         const h = time.getHours();         const mm = time.getMinutes();         const s = time.getSeconds();         const ms = time.getMilliseconds()         return ""+y+this.Add0(m)+this.Add0(d)+this.Add0(h)+this.Add0(mm)+this.Add0(s)+this.Add0(ms);       },      Add0:function(m){         return m<10?'0'+m : m;       } ,      finished() {        this.files = []        this.status = 'ready'              },      remove(index) {        this.files.splice(index, 1)      },      fileChanged() {        const list = this.$refs.file.files        for (let i = 0; i < list.length; i++) {          if (!this.isContain(list[i])) {            const item = {              name: list[i].name,              size: list[i].size,              file: list[i]            }            this.html5Reader(list[i], item)            this.files.push(item)          }        }        this.$refs.file.value = ''      },      // 将图片文件转成BASE64格式      html5Reader(file, item){        const reader = new FileReader()        reader.onload = (e) => {          this.$set(item, 'src', e.target.result)        }        reader.readAsDataURL(file)      },      isContain(file) {       return this.files.find((item) => item.name === file.name && item.size === file.size)      },    }  }</script><style>.vue-uploader {  border: 1px solid #e5e5e5;}.vue-uploader .file-list {  padding: 10px 0px;}.vue-uploader .file-list:after {  content: '';  display: block;  clear: both;  visibility: hidden;  line-height: 0;  height: 0;  font-size: 0;}.vue-uploader .file-list .file-item {  float: left;  margin-left: 10px;    position: relative;  width: 150px;  text-align: center;}.vue-uploader .file-list .file-item img{  width: 150px;  height: 150px;  border: 1px solid #ececec;}.vue-uploader .file-list .file-item .file-remove {  position: absolute;  right: 4px;  display: none;  top: 4px;  width: 20px;  height: 20px;  font-size:20px;  text-align: center;  color: white;  cursor: pointer;  line-height: 20px;  border-radius: 100%;  transform: rotate(45deg);  background: rgba(0, 0, 0, 0.5);}.vue-uploader .file-list .file-item:hover .file-remove {  display: inline;}.vue-uploader .file-list .file-item .file-name {  margin: 0;  height: 40px;  word-break: break-all;  font-size: 14px;  overflow: hidden;  text-overflow: ellipsis;  display: -webkit-box;  -webkit-line-clamp: 2;  -webkit-box-orient: vertical;}.vue-uploader .add {  width: 150px;  height: 150px;  float: left;  text-align: center;  line-height: 150px;  font-size: 30px;  cursor: pointer;  background: url(../assets/upImg.png) no-repeat; // 这里使用的是我本地图片  background-size: 100% 100%;}.vue-uploader .upload-func {  display: flex;  padding: 10px;  margin: 0px;  background: #f8f8f8;  border-top: 1px solid #ececec;}.vue-uploader .upload-func .progress-bar {  flex-grow: 1;}.vue-uploader .upload-func .progress-bar section {  margin-top: 5px;  background: #00b4aa;  border-radius: 3px;  text-align: center;   color: #fff;  font-size: 12px;  transition: all .5s ease;}.vue-uploader .upload-func .operation-box {  flex-grow: 0;  padding-left: 10px;}.vue-uploader .upload-func .operation-box button {  padding: 4px 12px;  color: #fff;  background: #007ACC;  border: none;  border-radius: 2px;  cursor: pointer;}.vue-uploader > input[type="file"] {  display: none;}</style>