// Copyright 2018 Gin Core Team. All rights reserved.
// Use of this source code is governed by a MIT style
// license that can be found in the LICENSE file.
package binding
import (
"bytes"
"io"
"net/http"
"gopkg.in/yaml.v3"
)
type yamlBinding struct{}
func (yamlBinding) Name() string {
return "yaml"
}
func (yamlBinding) Bind(req *http.Request, obj any) error {
return decodeYAML(req.Body, obj)
}
func (yamlBinding) BindBody(body []byte, obj any) error {
return decodeYAML(bytes.NewReader(body), obj)
}
func decodeYAML(r io.Reader, obj any) error {
// NewDecoder返回一个从r中读取的新解码器。解码器引入其自己的缓冲,并且可以从r读取超出所请求的YAML值的数据。
decoder := yaml.NewDecoder(r)
// Decode从其输入中读取下一个YAML编码值,并将其存储在obj指向的值中。
if err := decoder.Decode(obj); err != nil {
return err
}
return validate(obj)
}
【Gin-v1.9.0源码阅读】binding/yaml.go
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