详解element上传组件before-remove钩子问题解决

    if(file && file.status === "success"){
      return this.$confirm('此操作将永久删除该文件, 是否继续?', '系统提示',{
        confirmButtonText: '确认',
        cancelButtonText: '取消',
        type: 'warning',
        center: true
      }).then(() => {
        this.$message({
          type: 'success',
          message: '删除成功!'
        });
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除!'
        });
        reject(false);
      });
    };

  if (file && file.status==="success") {
    this.$axios.delete("url" + data);
  }

  //图片上传前钩子
  beforeUpload(file) {
   this.loading = true;
   const isLt2M = file.size / 1024 / 1024 < 10;
 
   if (!isLt2M) {
    this.loading = false;
    this.$message.error("单个附件大小不能超过 10MB!");
   }
   
   return isLt2M;
   // return false;
  }

 //删除图片
  beforeRemove(file, fileList) {
   let a = true;
   if (file && file.status==="success") {
     a = this.$confirm(`确定移除 ${ file.name }？`);
   }
   return a;
  },
  //删除图片
  handleRemove(file, fileList) {
   if (file && file.status==="success") {
    this.$axios.delete("accessory/one/" + file.response.id).then(resp => {
     if (resp.status == 200) {
      this.$message({
       message: "删除成功",
       type: "success"
      });
     }
    });
   }
  },

if (file && file.status==="success") {
}