前端工作小结72-实现预览效果

ChangeRest(event, file){
        /*   console.log(event)
           console.log(file)*/
          /* console.log(URL.createObjectURL(file.raw))*/
           this.imageUrl = URL.createObjectURL(file.raw);
          /* this.imageUrl=event.tmp_url
           console.log(this.imageUrl)*/
           console.log(1)
           this.eventSave=event
           console.log(this.eventSave)
           this.$emit("ChangeLest",this.eventSave)
         },

changeRest1(val){
           console.log(2)
           console.log(val)
           this.preview=val.tmp_url
           console.log(this.preview)
           this.form.thumbnail=val.relativepath+val.name
         }