iview elemenmt render 数据 props,scopedSlots,on

columnsKey: [
        
        {
          title: '编码',
          key: 'code',
          render: (h, params) => {
            let _this = this;  //防止调用 为空 
            return h('Input', {
              props: {
                type: 'text',
                value: params.row.code
              },
              on: {
                input: function (event) {
                  params.row.code = event
                  _this.dataEntity[params.index][params.column.key] = event;
                }
              }
            })
          }
        },
        {
          title: '必填',
          key: 'required',
          render: (h, params) => {
            let _this = this; //防止调用 为空 
            return h('i-switch', {
              props: {
                type: 'text',
                trueValue :'1', //是
                falseValue :'0',//否
                value: params.row.required === 1  //控制开关的打开或关闭状态，官网文档属性是value
              },
              scopedSlots:{
                open:()=>h('span','是'),
                close:()=>h('span','否')
              },
              on: {
                'on-change': (value) => {//触发事件是on-change,用双引号括起来，
                  //打开是true,已经处理1
                  if (value === 1) {
                    _this.dataEntity[params.index][params.column.key] = 1
                  } else {
                    _this.dataEntity[params.index][params.column.key] = 0
                  }
                }
              }
            })
          }
        }
      ]