1.Overview
                Obtain Gateway Information.
                 2.Request method
                
                3.Parameter Description
                
                    
                        
                            
                                | Attribute | 
                                Type | 
                                Constraint | 
                                Explanation | 
                            
                        
                        
                            
                                | accountSid | 
                                String | 
                                Required | 
                                Account ID.(The accountSid and authToken are assigned by QR Master admin when applying for a developer account)
                                 | 
                            
                            
                                | timestamp | 
                                String | 
                                Required | 
                                Request timestamp | 
                            
                            
                                | communityNo | 
                                String | 
                                Required | 
                                Community No. | 
                            
                        
                    
                 
                4.Request address
                
                5.Generate signature for parameter
                
                    Ⅰ.Add the authToken parameter to the POST key-value pair to get the original signature data. (The accountSid and authToken are assigned by QR Master admin when applying for a developer account)
                    Ⅱ.Sort the original signature data in lexicographical order of parameter names.
                    Ⅲ.Joining together into a string like "key1=value1&key2=value2...". The key/value shall be encoded in x-www-form-urlencode.
                    Ⅳ.Calculate the sha1 value of the string to get the sig.
                    Note: this authToken should not be submitted to the network with the POST parameter.
                 
                6.Request samples(Raw)
                
                    POST http://api.uclbrt.com/Home/Records/fetchRoomInfo?sig=5238550acac60d806e2b051feb19ac3c6657d425 HTTP/1.1
                    Host: api.uclbrt.com
                    Connection: Keep-Alive
                    Accept: application/json
                    Content-Length: 205
                    Content-Type: application/x-www-form-urlencoded
                     
                    accountSid=cd40f2111e0b4b6c283435582aafbd37×tamp=1615864011&communityNo=1316880539
                 
                7.Return
                Parameter Description
                
                    
                        
                            
                                | Attribute | 
                                Explanation | 
                            
                        
                        
                            
                                | boxid | 
                                Gateway ID | 
                            
                            
                                | pwd | 
                                Gateway key | 
                            
                        
                    
                 
                Succeeded:
                
                    
                        {"错误":0,"data":[{"boxid":"763","pwd":"6535644270720198"}]}
                    
                 
                Failed:
                
                    {"status":5001,"info":"community data exception"}
                 
                8.SDK