44 lines
759 B
Go
44 lines
759 B
Go
// Package pagination provides types and helpers for paginated responses.
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package pagination
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// PaginationParams 分页参数
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type PaginationParams struct {
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Page int
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PageSize int
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}
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// PaginationResult 分页结果
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type PaginationResult struct {
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Total int64
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Page int
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PageSize int
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Pages int
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}
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// DefaultPagination 默认分页参数
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func DefaultPagination() PaginationParams {
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return PaginationParams{
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Page: 1,
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PageSize: 20,
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}
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}
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// Offset 计算偏移量
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func (p PaginationParams) Offset() int {
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if p.Page < 1 {
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p.Page = 1
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}
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return (p.Page - 1) * p.PageSize
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}
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// Limit 获取限制数
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func (p PaginationParams) Limit() int {
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if p.PageSize < 1 {
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return 20
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}
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if p.PageSize > 100 {
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return 100
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}
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return p.PageSize
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}
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