详解Element-UI中上传的文件前端处理

 Load from File
 
  
   Select a file
   
upload only jpg/png files, and less than 500kb
  
  
   cancel
   confirm
  
 

if (this.uploadFiles) {
    for (let i = 0; i  {
      try {
       let document = JSON.parse(e.target.result)
       console.log(document)
      } catch (err) {
       console.log(`load JSON document from file error: ${err.message}`)
       this.showSnackbar(`Load JSON document from file error: ${err.message}`, 4000)
      }
     }
     reader.readAsText(file.raw)
    }
   }