ruby操作CouchDB
以下是一个简单的使用Ruby操作CouchDB数据库的代码:
新建fromRuby2CouchDB.rb文件,具体内容如下:
require 'net/http' module Couch class Server def initialize(host, port, option = nil) @host = host; @port = port; @option = option; end def delete(uri) request(Net::HTTP::Delete.new(uri)) end def get(uri) request(Net::HTTP::Get.new(uri)) end # put json to request def put(uri, json) req = Net::HTTP::Put.new(uri) req["content.type"] = "application/json" req.body = json request(req) end def post(uri, json) req = Net::HTTP::Post.new(uri) req["content-type"] = "application/json" req.body = json request(req) end def request(req) res = Net::HTTP.start(@host, @port) { |http|http.request(req) } if (not res.kind_of?(Net::HTTPSuccess)) handle_error(req, res) end res end private def handle_error(req, res) e = RuntimeError.new("#{res.code}:#{res.message}\nMETHOD:" + "#{req.method}\nURI:#{req.path}\n#{res.body}") raise e end end end
在文件路径下,以命令行模式运行:irb,启动ruby编译器:
irb(main):001:0> require “fromRuby2CouchDB.rb”
=> true
irb(main):002:0> server = Couch::Server.new(“127.0.0.1″,”5984″)
=> #<Couch::Server:0xb7bdd258 @option=nil, @port=”5984″, @host=”127.0.0.1″>
irb(main):003:0> server.get(“/blog/”)
会插入一个新的数据库,名为blog。如果不对,会打印出相应的错误。成功后,可以在页面查看是否存在该数据库。
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