通过Net :: HTTP在Ruby中发送http post请求

我正在向Web服务发送带有自定义标头的请求。

require 'uri' require 'net/http' uri = URI("https://api.site.com/api.dll") https = Net::HTTP.new(uri.host, uri.port) https.use_ssl = true headers = { 'HEADER1' => "VALUE1", 'HEADER2' => "HEADER2" } response = https.post(uri.path, headers) puts response 

它没有用,我收到的错误是:

 /usr/lib/ruby/1.9.1/net/http.rb:1932:in `send_request_with_body': undefined method `bytesize' for # (NoMethodError) 

我该如何解决这个问题?

PS Ruby 1.9.3

Net::HTTP#post的第二个参数需要是一个包含要发布的数据的String (通常是表单数据),标题将位于可选的第三个参数中。

试试这个:

有关详细文档,请查看以下内容: http : //www.rubyinside.com/nethttp-cheat-sheet-2940.html

 require 'uri' require 'net/http' uri = URI("https://api.site.com/api.dll") https = Net::HTTP.new(uri.host, uri.port) https.use_ssl = true request = Net::HTTP::Post.new(uri.path) request["HEADER1"] = 'VALUE1' request["HEADER2"] = 'VALUE2' response = https.request(request) puts response 

正如qqx所提到的, Net::HTTP#post的第二个参数需要是一个String

幸运的是,有一个简洁的函数可以将哈希值转换为所需的字符串:

 response = https.post(uri.path, URI.encode_www_form(headers))