/
page.go
51 lines (47 loc) · 1 KB
/
page.go
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package misc
func GetIndexPage(index int, pageSize int, pageBegin1 bool) (page int, pageIndex int) {
page = index / pageSize
pageIndex = index % pageSize
if pageBegin1 {
page = page + 1
}
return
}
func GetMaxPage(total int, pageSize int, pageBegin1 bool) (maxPage int) {
if pageBegin1 {
maxPage = total / pageSize
if total%pageSize > 0 {
maxPage = maxPage + 1
}
} else {
maxPage = total / pageSize
}
return
}
func GetPageStartEnd(page int, pageSize int, total int, pageBegin1 bool) (pageStart int, pageEnd int) {
if pageBegin1 {
pageStart = (page-1)*pageSize + 1
pageEnd = page * pageSize
} else {
pageStart = page * pageSize
pageEnd = (page+1)*pageSize - 1
}
if pageEnd > total {
if pageBegin1 {
pageEnd = total
} else {
pageEnd = total - 1
}
}
if pageStart > total {
return -1, -1
}
return
}
func GetPageIndexOriIndex(index int, page int, pageSize int, pageBegin1 bool) int {
if pageBegin1 {
index = index - 1
page = page - 1
}
return index + page*pageSize
}