I'm using net/http package and i would like to set dynamic values to an POST url:
http://myhost.com/v1/sellers/{id}/whatever
How can i set id values in this path parameter?
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1Build the URL with fmt.Sprintfcaptncraig– captncraig2017-05-06 23:46:54 +00:00Commented May 6, 2017 at 23:46
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Cool... there's some more elegant way to do this? or just using another http client library?Vipercold– Vipercold2017-05-06 23:48:50 +00:00Commented May 6, 2017 at 23:48
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are you looking for url api ? golang.org/pkg/net/url/#example_ParseQueryuser4466350– user44663502017-05-07 11:15:16 +00:00Commented May 7, 2017 at 11:15
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More elegant how? You're injecting a string into another string, Sprintf does precisely that. What specifically are you looking for beyond "put string x at this position in string y"?Adrian– Adrian2017-05-07 21:26:48 +00:00Commented May 7, 2017 at 21:26
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Probably pkg.go.dev/path#Jointharinduwijewardane– tharinduwijewardane2022-05-23 17:26:55 +00:00Commented May 23, 2022 at 17:26
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2 Answers
You can use path.Join to build the url. You may also need to pathEscape the path-params received externally so that they can be safely placed within the path.
url1 := path.Join("http://myhost.com/v1/sellers", url.PathEscape(id), "whatever")
req, err := http.NewRequest(http.MethodPost, url1, body)
if err != nil {
return err
}
answered May 23, 2022 at 17:25
tharinduwijewardane
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If you are trying to add params to a URL before you make a server request you can do something like this.
const (
sellersURL = "http://myhost.com/v1/sellers"
)
q := url.Values{}
q.Add("id", "1")
req, err := http.NewRequest("POST", sellersURL, strings.NewReader(q.Encode()))
if err != nil {
return err
}
req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
req.Close = true
resp, err := http.DefaultClient.Do(req)
if err != nil {
return err
}
1 Comment
JBB
This adds query params and not path params