mirror of
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69 lines
1.7 KiB
Go
69 lines
1.7 KiB
Go
// Package form
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// @Link https://github.com/bufanyun/hotgo
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// @Copyright Copyright (c) 2023 HotGo CLI
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// @Author Ms <133814250@qq.com>
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// @License https://github.com/bufanyun/hotgo/blob/master/LICENSE
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package form
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import (
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"hotgo/internal/consts"
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)
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type ReqPageFunc interface {
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GetPage() int
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GetPerPage() int
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}
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// PageReq 分页请求
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type PageReq struct {
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Page int `json:"page" example:"10" d:"1" v:"min:1#页码最小值不能低于1" dc:"当前页码"`
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PerPage int `json:"pageSize" example:"1" d:"10" v:"min:1|max:200#每页数量最小值不能低于1|最大值不能大于200" dc:"每页数量"`
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Pagination bool `json:"pagination" d:"true" dc:"是否需要进行分页"`
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}
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// GetPage 获取当前页码
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func (req *PageReq) GetPage() int {
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return req.Page
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}
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// GetPerPage 获取每页数量
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func (req *PageReq) GetPerPage() int {
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return req.PerPage
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}
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// PageRes 分页响应
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type PageRes struct {
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PageReq
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PageCount int `json:"pageCount" example:"0" dc:"分页个数"`
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TotalCount int `json:"totalCount" example:"0" dc:"数据总行数"`
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}
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// Pack 打包分页数据
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func (res *PageRes) Pack(req ReqPageFunc, totalCount int) {
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res.TotalCount = totalCount
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res.PageCount = CalPageCount(totalCount, req.GetPerPage())
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res.Page = req.GetPage()
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res.PerPage = req.GetPerPage()
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}
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func CalPageCount(totalCount int, perPage int) int {
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return (totalCount + perPage - 1) / perPage
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}
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// CalPage 计算分页偏移量
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func CalPage(page, perPage int) (newPage, newPerPage int, offset int) {
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if page <= 0 {
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newPage = consts.DefaultPage
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} else {
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newPage = page
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}
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if perPage <= 0 {
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newPerPage = consts.DefaultPageSize
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} else {
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newPerPage = perPage
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}
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offset = (newPage - 1) * newPerPage
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return
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}
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