sqlserver中调用服务器中的webservice接口

declare @ServiceUrl as varchar(1000)
declare @UrlAddress varchar(500)
--WebService地址：以http开头，结尾带斜杠，例如'http://webservice.webxml.com.cn/WebServices/MobileCodeWS.asmx/'
set @UrlAddress = 'http://139.224.134.5/SGAppService/SGService.asmx/'
declare @FunName varchar(50)
--WebService中调用的方法名：例如'getMobileCodeInfo'
set @FunName = 'PushContractApproval'  
--以下参数对应WebService中4个参数的[参数名]
declare @P1 varchar(100),@P2 varchar(100)
set @P1 = 'data'
set @P2 = 'userid'
declare @P1_Value varchar(max),@P2_Value varchar(800)
set @P1_Value = '{"ServerLicenseID": "61DD8BE1-9458-41FB-AA56-DA11634E11CD"}'
set @P2_Value = ''
set @ServiceUrl = @UrlAddress + @FunName + '?' + @P1 + '=' + @P1_Value                  
Declare @Object as Int
Declare @ResponseText as Varchar(8000)
                 
Exec sp_OACreate 'MSXML2.XMLHTTP', @Object OUT;
Exec sp_OAMethod @Object, 'open', NULL, 'get',@ServiceUrl,'false'
Exec sp_OAMethod @Object, 'send'
Exec sp_OAMethod @Object, 'responseText', @ResponseText OUTPUT
    
Select @ResponseText    
Exec sp_OADestroy @Object