package util import ( "github.com/gin-gonic/gin" "github.com/unknwon/com" ) func GetPageSize(c *gin.Context) (int, int) { result := 0 page := com.StrTo(c.Query("page")).MustInt() size := com.StrTo(c.Query("size")).MustInt() if page > 0 { result = (page - 1) * size } return result, size }