1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106
|
## ---- echo = FALSE------------------------------------------------------------
library(httr)
knitr::opts_chunk$set(comment = "#>", collapse = TRUE)
## -----------------------------------------------------------------------------
library(httr)
r <- GET("http://httpbin.org/get")
## -----------------------------------------------------------------------------
r
## -----------------------------------------------------------------------------
status_code(r)
headers(r)
str(content(r))
## -----------------------------------------------------------------------------
r <- GET("http://httpbin.org/get")
# Get an informative description:
http_status(r)
# Or just access the raw code:
r$status_code
## -----------------------------------------------------------------------------
warn_for_status(r)
stop_for_status(r)
## -----------------------------------------------------------------------------
r <- GET("http://httpbin.org/get")
content(r, "text")
## ---- eval = FALSE------------------------------------------------------------
# content(r, "text", encoding = "ISO-8859-1")
## -----------------------------------------------------------------------------
content(r, "raw")
## ---- eval = FALSE------------------------------------------------------------
# bin <- content(r, "raw")
# writeBin(bin, "myfile.txt")
## -----------------------------------------------------------------------------
# JSON automatically parsed into named list
str(content(r, "parsed"))
## -----------------------------------------------------------------------------
headers(r)
## -----------------------------------------------------------------------------
headers(r)$date
headers(r)$DATE
## -----------------------------------------------------------------------------
r <- GET("http://httpbin.org/cookies/set", query = list(a = 1))
cookies(r)
## -----------------------------------------------------------------------------
r <- GET("http://httpbin.org/cookies/set", query = list(b = 1))
cookies(r)
## -----------------------------------------------------------------------------
r <- GET("http://httpbin.org/get",
query = list(key1 = "value1", key2 = "value2")
)
content(r)$args
## -----------------------------------------------------------------------------
r <- GET("http://httpbin.org/get",
query = list(key1 = "value 1", "key 2" = "value2", key2 = NULL))
content(r)$args
## -----------------------------------------------------------------------------
r <- GET("http://httpbin.org/get", add_headers(Name = "Hadley"))
str(content(r)$headers)
## -----------------------------------------------------------------------------
r <- GET("http://httpbin.org/cookies", set_cookies("MeWant" = "cookies"))
content(r)$cookies
## -----------------------------------------------------------------------------
r <- POST("http://httpbin.org/post", body = list(a = 1, b = 2, c = 3))
## -----------------------------------------------------------------------------
url <- "http://httpbin.org/post"
body <- list(a = 1, b = 2, c = 3)
# Form encoded
r <- POST(url, body = body, encode = "form")
# Multipart encoded
r <- POST(url, body = body, encode = "multipart")
# JSON encoded
r <- POST(url, body = body, encode = "json")
## ---- eval = FALSE------------------------------------------------------------
# POST(url, body = body, encode = "multipart", verbose()) # the default
# POST(url, body = body, encode = "form", verbose())
# POST(url, body = body, encode = "json", verbose())
## ---- eval = FALSE------------------------------------------------------------
# POST(url, body = upload_file("mypath.txt"))
# POST(url, body = list(x = upload_file("mypath.txt")))
## -----------------------------------------------------------------------------
sessionInfo()
|