pagination

func GetOffset ¶ added in v1.0.17

func GetOffset(pageNum, pageSize, totalAmount int64) (offSet, realPageNum int64)

func GetOffsetAndPageNum ¶

func GetOffsetAndPageNum(pageNum, pageSize string, totalAmount int) (offSet, realPageNum, pageSizeInt int)

GetOffset returns the number of records to skip before starting to return the records http://gorm.io/docs/query.html#Offset use GetOffset if parameter type is int64

func GetTheLastNumber ¶

func GetTheLastNumber(pageNum, pageSize string, totalAmount int) (lastNum int)

获得最后一页的最后一个是第几个