vue如何实现实时上传文件进度条

这篇文章主要介绍了vue如何实现实时上传文件进度条，具有一定借鉴价值，感兴趣的朋友可以参考下，希望大家阅读完这篇文章之后大有收获，下面让小编带着大家一起了解一下。

具体内容如下

//上传文件组件 <el-upload         action         :show-file-list="false"         :before-upload="uploadFile" >       <el-button type="primary" :disabled="progressFlag">上传数据</el-button> </el-upload> //进度条组件 <div :class="progressFlag?'progress':'progress1'">         <el-progress                 id="progress"                  type="circle"                  :percentage="percent"                  :stroke-width="8"                   :width="100"                   :show-text="true"                   stroke-linecap="round"                   :format="progressFormat"         ></el-progress>                                  </div>

data() {     return {         percent:0,         progressFlag:false,         deg:135,         status:this.percent<100?"":"success",//进度条组件加上状态后不显示文字         color:[             {color:"#fdfdfd",percentage:99},             {color:"#ccccc",percentage:100},         ]     } }

methods:{ async uploadFile(file){         //:on-progress="uploadFile"上传时会多次调用，由于是本地，间隔较大         let reg = /(?<=\.)[a-z]+$/g         let fileType = file.name.match(reg)+""         let typeArr = ["xls","xlsx","csv"]         if(!typeArr.includes(fileType)){             this.$message.warning("上传文件格式错误!")             return          }         let formData = new FormData()         formData.append('file',file)         // realtimeUploadLocal({         //     file:formData,         //     uid:this.$store.state.userInfo.user.uid,         // })         this.progressFlag = true         await realtimeUpload(formData,this).then((res)=>{             if(res.code == "0"){                 this.$message.success(res.data)             }else{                 this.$message.warning(res.data)             }         })         setTimeout(()=>{             this.progressFlag = false             // this.rotateFn(0)             this.percent = 0         },1000)     }, progressFormat(percentage){         return percentage<100?"已上传("+percentage+"%)":"上传完成"  } }

<style scoped lang="less"> .progress1{ display:none;} .progress{         display: flex;         width: 80px;         height: 80px;         position: absolute;         top: 40px;         left: 50%;         transform: translate(-50%, 0);         background-color: transparent; } </style>

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