element-plus表格添加简单右键

实现如下

   

    
    
    
    
    
  
  
  

  
    Processing Center
    
      Workspace
      item one
      item two
      item three
    
  
  






.mainClass
{
  width: 500px;
  height: 500px;
  background-color: #f0f0f0;
}
.el-menu-demo
{
  position: absolute;
  left: 0;
  top: 0;
  z-index: 100;
  width: 140px;
  /* background-color: rgb(167, 184, 184); */
}