Rufe kiran R mai tushe da httr cikin saitin wakili

Don aikin R da ke amfani da httr, gina saitin wakilinsa da use_proxy sannan ka yi amfani da shi kan maganar da kake son aiwatarwa:

route <- httr::use_proxy('proxy.example', 8080)
result <- httr::with_config(route, {
  httr::GET('https://www.example.com/')
})

Don asusun wakili, use_proxy kuma yana karɓar muhawarar username, password da auth. Ka samar da su daga saitin shaidar da aikace-aikacen ke da shi idan an buƙata.

Maganar na iya ƙunsar kiran ɗakin karatu mafi girma lokacin da wannan ɗakin karatun yake yin buƙatunsa ta hanyar httr da gaske. Ɗakin karatu da ya dogara kan RCurl ko wani abokin ciniki na HTTP yana da nasa tsarin saiti; gano wannan tushen kafin ka zaɓi abin da za ka wuce.

with_config yana haɗa saitin da aka bayar da saitunan httr da suke akwai bisa tsohuwar dabi'a. Don gwajin URL na jama'a da aka yarda, adireshi daga jerin wakilan HTTP zai iya cika host da port na use_proxy ne kawai lokacin da haɗaɗɗun saitunan ba su ƙunshi shaidar wakili ba. Muhawarar override ɗinsa tana zaɓar ko ya kamata a yi watsi da saitunan da suke akwai don wannan maganar maimakon.

Wannan iyakar saiti ce ga lambar da aka zaɓa. set_config ita ce hanyar canza babban saitin httr na tsoho, don haka yi amfani da murfin lokacin da ake son wakilin ya bi aiki ɗaya.