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Co-Authored-By: Claude <noreply@anthropic.com>

common/page_info.go

@@ -0,0 +1,82 @@
+package common
+
+import (
+	"strconv"
+
+	"github.com/gin-gonic/gin"
+)
+
+type PageInfo struct {
+	Page     int `json:"page"`      // page num 页码
+	PageSize int `json:"page_size"` // page size 页大小
+
+	Total int `json:"total"` // 总条数，后设置
+	Items any `json:"items"` // 数据，后设置
+}
+
+func (p *PageInfo) GetStartIdx() int {
+	return (p.Page - 1) * p.PageSize
+}
+
+func (p *PageInfo) GetEndIdx() int {
+	return p.Page * p.PageSize
+}
+
+func (p *PageInfo) GetPageSize() int {
+	return p.PageSize
+}
+
+func (p *PageInfo) GetPage() int {
+	return p.Page
+}
+
+func (p *PageInfo) SetTotal(total int) {
+	p.Total = total
+}
+
+func (p *PageInfo) SetItems(items any) {
+	p.Items = items
+}
+
+func GetPageQuery(c *gin.Context) *PageInfo {
+	pageInfo := &PageInfo{}
+	// 手动获取并处理每个参数
+	if page, err := strconv.Atoi(c.Query("page")); err == nil {
+		pageInfo.Page = page
+	}
+	if pageSize, err := strconv.Atoi(c.Query("page_size")); err == nil {
+		pageInfo.PageSize = pageSize
+	}
+	if pageInfo.Page < 1 {
+		// 兼容
+		page, _ := strconv.Atoi(c.Query("p"))
+		if page != 0 {
+			pageInfo.Page = page
+		} else {
+			pageInfo.Page = 1
+		}
+	}
+
+	if pageInfo.PageSize == 0 {
+		// 兼容
+		pageSize, _ := strconv.Atoi(c.Query("ps"))
+		if pageSize != 0 {
+			pageInfo.PageSize = pageSize
+		}
+		if pageInfo.PageSize == 0 {
+			pageSize, _ = strconv.Atoi(c.Query("size")) // token page
+			if pageSize != 0 {
+				pageInfo.PageSize = pageSize
+			}
+		}
+		if pageInfo.PageSize == 0 {
+			pageInfo.PageSize = ItemsPerPage
+		}
+	}
+
+	if pageInfo.PageSize > 100 {
+		pageInfo.PageSize = 100
+	}
+
+	return pageInfo
+}