pager

package
v1.19.22 Latest Latest
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 Go to latest Published: Oct 15, 2023 License: MIT Imports: 2 Imported by: 44

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Types

type BasePager 

type BasePager struct {
	// contains filtered or unexported fields
}

func NewBasePager 

func NewBasePager() *BasePager

func (*BasePager) CheckHasNext added in v1.8.12 

func (p *BasePager) CheckHasNext(set Set)

通过判断当前set是否小于PageSize, 从而判断是否满页

func (*BasePager) Next 

func (p *BasePager) Next() bool

func (*BasePager) Offset 

func (p *BasePager) Offset() int64

func (*BasePager) PageNumber added in v1.8.10 

func (p *BasePager) PageNumber() int64

func (*BasePager) PageSize added in v1.8.10 

func (p *BasePager) PageSize() int64

func (*BasePager) SetPageSize 

func (p *BasePager) SetPageSize(ps int64)

func (*BasePager) SetRate 

func (p *BasePager) SetRate(r float64)

type Pager 

type Pager interface {
	// 判断是否还有下一页
	Next() bool
	// 获取当前页面的数据, 注意必须先调用Next, 从而判断是否存在下一页
	Scan(context.Context, Set) error
	// 设置页面打小, 默认20, 一页数据20条
	SetPageSize(ps int64)
	// 设置读取速率, 默认1, 每秒发起一次请求
	SetRate(r float64)
}

分页迭代器 

for p.Next() {
	p.Scan(ctx, dst);
}

type Set added in v1.8.11 

type Set interface {
	// 往Set添加元素
	Add(...any)
	// 当前Set有多少个元素
	Length() int64
}

可以往里面添加元素

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