首先我们得有一个可以正常工作的Restful API:
![](https://img.laitimes.com/img/__Qf2AjLwojIjJCLyojI0JCLiADNyEzLcd3LcJzLcJzdllmVldWYtl2Q3UCcpJHdz9CX05WZpJ3bt8Gd1F2LcJjcn9WTldWYtl2PxYmMwMTNxAzN1MmN3ADZx0SM5cTN4AjMvw1cldWYtl2XkF2bsBXdvw1bp5SdoNnbhlmauMXZnFWbp1CZh9GbwV3Lc9CX6MHc0RHaiojIsJye.jpg)
import ABSL;
if( this.OutboundDeliveryID.IsInitial() == false){
raise already_delivered.Create("E");
return;
}
var HttpMethod = "GET";
var HttpResource = ""; // not required
var ContentType = ""; // not required
var Body = ""; // not required
var HeaderParameter : collectionof NameAndValue; // not required
var URLParameter : collectionof NameAndValue;
var URLParameterEntry : NameAndValue;
URLParameterEntry.Name = "SoID";
URLParameterEntry.Value = this.ID.content;
URLParameter.Add(URLParameterEntry);
var response = WebServiceUtilities.ExecuteRESTService("JerryExternalService", "JerryExternal", HttpMethod, HttpResource,
URLParameter, HeaderParameter,ContentType, Body);
this.OutboundDeliveryID = response.Content;
raise delivery_message.Create("S", this.OutboundDeliveryID);