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【vue 项目】el-upload 上传文件以及回显照片和下载文件

本次需求是上传多种固定格式的文件,且回显的时候,图片可以正常显示,文件可以进行下载主要采用element的el-upload组件实现1、文件上传先看下,上传文件效果图点击上传将文件放到网页,还有一个点击确定的按钮再上传文件到服务器htmlel-uploadref="upload"accept=".png,.jpg,.jpeg,.doc,.docx,.txt,.xls,.xlsx"action="#"multiple:limit="5":headers="headers":auto-upload="false":file-list="fileList":on-change="handleChan

The Digital Journey of Microsoft AI & IoT Insider Lab and Partners

Digitaltransformationisnotaone-dayprocess.Inthisarticle,weinvitedAngieZhu,GeneralManagerofMicrosoftAI&IoTInsiderLab,torevealthethinkingandlogicbehindthejointeffortsoftechnologygiantsandtrendsettingstartupsinthepost-epidemiceratoseizethefirstopportunityofthedigitalizationwave.Wehaveenteredaneweraofdi

The Digital Journey of Microsoft AI & IoT Insider Lab and Partners

Digitaltransformationisnotaone-dayprocess.Inthisarticle,weinvitedAngieZhu,GeneralManagerofMicrosoftAI&IoTInsiderLab,torevealthethinkingandlogicbehindthejointeffortsoftechnologygiantsandtrendsettingstartupsinthepost-epidemiceratoseizethefirstopportunityofthedigitalizationwave.Wehaveenteredaneweraofdi

Tencent AI Lab and its NLP Development in Text Understanding, Text Generation, and Machine T

Duringthelastdecadeorso,artificialintelligence(AI)hasexperiencedarenaissance,withsubstantialtechnologicaladvancementsalsoarisinginnaturallanguageprocessing(NLP).Inadditiontospawningmoredigitalscenarioapplications,suchaschatbotsandintelligentwriting,advancesinNLPhaveresultedindramaticimprovementsinma

Tencent AI Lab and its NLP Development in Text Understanding, Text Generation, and Machine T

Duringthelastdecadeorso,artificialintelligence(AI)hasexperiencedarenaissance,withsubstantialtechnologicaladvancementsalsoarisinginnaturallanguageprocessing(NLP).Inadditiontospawningmoredigitalscenarioapplications,suchaschatbotsandintelligentwriting,advancesinNLPhaveresultedindramaticimprovementsinma

How Microsoft AI & IoT Insider Lab Helps a Startup Grow its New Retail Business Overseas

Followingour​​previousinterview​​withMs.AngieZhufromMicrosoftAI&IoTInsiderLab,weinvitedRosieZhang,co-founderandGeneralManagerofCloudpickTechnology,totalkaboutherideasaboutworkingwiththeMicrosoftteam.AsacriticalpartnerofMicrosoftAI&IoTInsiderLab,CloudpickTechnologyrecentlycompletedaPre-Broundoffinanc

How Microsoft AI & IoT Insider Lab Helps a Startup Grow its New Retail Business Overseas

Followingour​​previousinterview​​withMs.AngieZhufromMicrosoftAI&IoTInsiderLab,weinvitedRosieZhang,co-founderandGeneralManagerofCloudpickTechnology,totalkaboutherideasaboutworkingwiththeMicrosoftteam.AsacriticalpartnerofMicrosoftAI&IoTInsiderLab,CloudpickTechnologyrecentlycompletedaPre-Broundoffinanc

6.824-lab2-Raft简述

Raft各阶段的描述node有三个state:follwercandidateleader所有节点一开始是followerstate,如果followers没有收到leader的消息,那么他们可以成为candidate。然后candidate请求其他节点投票(requestvote),nodes将以投票方式回应,如果candidate获得了大多数node的投票它将会成为leader。这个过程就是LeaderElection。现在,对系统的所有更改都要经过leader,每个更改都作为entry添加到节点的日志中。logentry如果还未提交,就不会更新节点的值。要提交entry,节点首先将其复制

6.824-lab2-Raft简述

Raft各阶段的描述node有三个state:follwercandidateleader所有节点一开始是followerstate,如果followers没有收到leader的消息,那么他们可以成为candidate。然后candidate请求其他节点投票(requestvote),nodes将以投票方式回应,如果candidate获得了大多数node的投票它将会成为leader。这个过程就是LeaderElection。现在,对系统的所有更改都要经过leader,每个更改都作为entry添加到节点的日志中。logentry如果还未提交,就不会更新节点的值。要提交entry,节点首先将其复制

6.824-lab2-Raft简述

Raft各阶段的描述node有三个state:follwercandidateleader所有节点一开始是followerstate,如果followers没有收到leader的消息,那么他们可以成为candidate。然后candidate请求其他节点投票(requestvote),nodes将以投票方式回应,如果candidate获得了大多数node的投票它将会成为leader。这个过程就是LeaderElection。现在,对系统的所有更改都要经过leader,每个更改都作为entry添加到节点的日志中。logentry如果还未提交,就不会更新节点的值。要提交entry,节点首先将其复制