[Feature request]: NDataTable pagination prefix support total items

[cnguu]

This function solves the problem (这个功能解决的问题)

Total number of items displayed

Expected API (期望的 API)

pagination: {
        page: 1,
        pageSize: 15,
        pageSizes: [15, 25, 50, 100],
        pageCount: 101,
        showQuickJumper: true,
        showSizePicker: true,
            prefix: (info) => {
              // here, `info.total`
              return `${info.startIndex + 1}-${
                info.endIndex + 1
              } item / total: ${info.total||0}`;
            },
      },

[Talljack]

Total information will not be available in asynchronous state

[07akioni]

Total information will not be available in asynchronous state

User can fill it by pagination.itemCount

[Talljack]

Total information will not be available in asynchronous state

User can fill it by pagination.itemCount

itemCount is total, user must fill it

[07akioni]

Total information will not be available in asynchronous state

User can fill it by pagination.itemCount

itemCount is total, user must fill it

In non-remote mode, we should fill it for user by data.length

[Talljack]

Total information will not be available in asynchronous state

User can fill it by pagination.itemCount

itemCount is total, user must fill it

In non-remote mode, we should fill it for user by data.length

In non-remote mode, we should fill it for user by data.length
In remote mode, user fill it by itemCount

[07akioni]

Total information will not be available in asynchronous state

User can fill it by pagination.itemCount

itemCount is total, user must fill it

In non-remote mode, we should fill it for user by data.length

In non-remote mode, we should fill it for user by data.length
In remote mode, user fill it by itemCount

Yes