iview the head of the column header format rendering render

iview the table has a table assembly renderHeader properties, it can display the contents of the custom column headers, the Render function using Vue. Two arguments, the first is a H, the second object, comprising  column and  index, respectively, the current column of data and the current column index.

Example:

renderheader: (H, the params) => { return H ( 'div', {}, the this . $ T ( 'name' ));} 
where H ( 'div', {}, the this . $ T ( 'name' )): 
the first parameter rendered element type, 
the second parameter indicates the element style rendering, 
the third parameter indicates the content of the element you want to show