這是我的代碼：func nextpage(id int, currentpage string) string { response, err := http.Get(fmt.Sprintf("https://groups.roblox.com/v1/groups/%d/users?sortOrder=Asc&limit=100&cursor=%s", id, currentpage)) if err != nil { panic(err) } defer response.Body.Close() var getcursor *gus error := json.NewDecoder(response.Body).Decode(&getcursor) if error != nil { fmt.Println(error) } return getcursor.Nextpagecursor}func cycle(id int) string { secondpage := nextpage(id, "") thirdpage := nextpage(id, secondpage) fourthpage := nextpage(id, thirdpage) return secondpage}這是做什么的：它向 https://groups.roblox.com/v1/groups/2/users?sortOrder=Asc&limit=100&cursor= 發送請求然后它返回給出的響應的下一頁游標。然后我嘗試使用最后一個名為cover的函數循環瀏覽頁面但我不知道如何讓它工作給我每個下一頁游標，所以我可以從每個頁面獲取數據。
1 回答
千巷貓影
TA貢獻1829條經驗 獲得超7個贊
這是一個典型的 JSON API 工作流：
package main
import (
"encoding/json"
"net/http"
)
type users struct {
NextPageCursor string
Data []struct {
User struct { Username string }
}
}
func (u *users) get() error {
req, err := http.NewRequest("GET", "https://groups.roblox.com/v1/groups/2/users", nil)
if err != nil {
return err
}
if u.NextPageCursor != "" {
q := req.URL.Query()
q.Set("cursor", u.NextPageCursor)
req.URL.RawQuery = q.Encode()
}
res, err := new(http.Client).Do(req)
if err != nil {
return err
}
defer res.Body.Close()
return json.NewDecoder(res.Body).Decode(u)
}
例：
package main
import "fmt"
func main() {
var u users
for range [2]struct{}{} {
u.get()
fmt.Printf("%+v\n", u)
}
}
結果：
{NextPageCursor:155884_1_1c6bfd900d25d25d1949dcfead5765e5 Data:[{User:{Username:jkid243}} {User:{Username:CpMod}} {User:{Username:Zeluka}} {User:{Username:tfts}} {User:{Username:saveaseal13}} {User:{Username:Beast440}} {User:{Username:leolr9}} {User:{Username:eggnog22}} {User:{Username:mathgeek007}} {User:{Username:WhatsForDinner}}]}
{NextPageCursor:367165_1_903387d5f21f53fccf4a693d918d880a Data:[{User:{Username:banjoist26}} {User:{Username:itsmariosbuddy}} {User:{Username:toabytooby2211}} {User:{Username:ShadowLuigi}} {User:{Username:calim}} {User:{Username:Sonicthehedgehog9000}} {User:{Username:benjy8}} {User:{Username:bregfhafrh}} {User:{Username:crashman15}} {User:{Username:hiedi00}}]}
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