iView display serial number

Introduction to iView

Official website: http://v1.iviewui.com/
Document: https://www.iviewui.com/docs/introduce

iView component display serial number

columns: [
                    {
    
    
                      title: '序号',
                      key: '',
                      width: 100,
                      render: (h,params) => {
    
    
                        return h('span',params.index+1)
                      }
                    }
          ]