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33 lines
613 B
Go
33 lines
613 B
Go
/**
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* @Author: Echo
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* @Email: 1711788888@qq.com
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* @Date: 2021/8/16 9:47 上午
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* @Desc: request's middleware
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*/
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package http
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type MiddlewareFunc = func(r *Request) (*Response, error)
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const middlewareKey = "__httpClientMiddlewareKey"
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type middleware struct {
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err error
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req *Request
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resp *Response
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index int
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handlers []MiddlewareFunc
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}
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// Next exec the next middleware.
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func (m *middleware) Next() (*Response, error) {
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if m.index < len(m.handlers) {
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m.index++
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if m.resp, m.err = m.handlers[m.index](m.req); m.err != nil {
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return m.resp, m.err
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}
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}
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return m.resp, m.err
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}
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