26 lines
471 B
Go
26 lines
471 B
Go
package service
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import "gorm.io/gorm"
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func Paginate(current, size int64) func(db *gorm.DB) *gorm.DB {
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// 如果页码是-1，就不分页
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if current == -1 {
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return func(db *gorm.DB) *gorm.DB {
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return db
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}
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}
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// 分页
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return func(db *gorm.DB) *gorm.DB {
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if current == 0 {
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current = 1
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}
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if size < 1 {
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size = 10
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}
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// 计算偏移量
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offset := (current - 1) * size
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// 返回组装结果
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return db.Offset(int(offset)).Limit(int(size))
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}
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}
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