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utils/transport/v1/http/codec.go

68 lines
1.6 KiB

package http
import (
"encoding/json"
"github.com/go-kratos/kratos/v2/errors"
"github.com/go-kratos/kratos/v2/transport/http"
stdhttp "net/http"
"strings"
)
const (
baseContentType = "application"
)
type Response struct {
Code int `json:"code" form:"code"`
Data interface{} `json:"data" form:"data"`
Message string `json:"message" form:"message"`
}
func ResponseEncoder(w stdhttp.ResponseWriter, r *stdhttp.Request, data interface{}) error {
rsp := &Response{
Code: 200,
Message: "success",
Data: data,
}
codec, _ := http.CodecForRequest(r, "Accept")
var dataInterface interface{}
{
data, _ := codec.Marshal(data)
_ = json.Unmarshal(data, &dataInterface)
rsp.Data = dataInterface
}
rspJson, err := codec.Marshal(rsp)
if err != nil {
return err
}
w.Header().Set("Content-Type", ContentType(codec.Name()))
w.WriteHeader(stdhttp.StatusOK)
w.Write(rspJson)
return nil
}
func ErrorEncoderPro(w stdhttp.ResponseWriter, r *stdhttp.Request, err error) {
// 如果是正式服,则统一抛出服务器错误
if errors.IsInternalServer(err) {
err = errors.InternalServer("internal err", "服务出错")
}
se := errors.FromError(err)
codec, _ := http.CodecForRequest(r, "Accept")
body, err := codec.Marshal(se)
if err != nil {
w.WriteHeader(stdhttp.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", ContentType(codec.Name()))
w.WriteHeader(int(se.Code))
_, _ = w.Write(body)
}
// ContentType returns the content-type with base prefix.
func ContentType(subtype string) string {
return strings.Join([]string{baseContentType, subtype}, "/")
}