未將對象引用設置爲對象的實例。 php

Question

我明白這個「對象引用沒有設置爲對象的實例」已經出現了很多，但我所看到的所有答案似乎都沒有幫助我。

這裏是我的WSDL：https://app.20-20insights.com/testepos/servicetrx.svc?wsdl

我想調用的BeginTrx（）函數，但我得到一個錯誤。

任何意見或幫助，非常感謝。

謝謝， 馬丁。

設置TrxIdentifier對象

$trxIdentifier = new TrxIdentifier; 

$trxIdentifier->ClientId = 9372490002639296; 
$trxIdentifier->DeviceId = "123"; 
$trxIdentifier->OpId = "123"; 
$trxIdentifier->PosDescription = "123"; 
$trxIdentifier->PosId = "123"; 
$trxIdentifier->PosTxnId = "123"; 
$trxIdentifier->SiteId = "12312"; 
$trxIdentifier->Token = "3"; 
$trxIdentifier->TrxdateTime = new DateTime; 

進行電話...

$client = new SoapClient($wsdl, array('trace'=>true, 
'exceptions'=>true, 
'classmap'=>array('TrxIdentifier'=>"TrxIdentifier", 'MemberInfo'=>"MemberInfo", 'Response'=>"Response", 'MemberDetail'=>"MemberDetail"))); 

$response = $client->BeginTrx($trxIdentifier); 

錯誤：發生

Object reference not set to an instance of an object. 
a:InternalServiceFaultObject reference not set to an instance of an object.Object reference not set to an instance of an object. at CatalystSpsTrx.Contracts.Service.ServiceTrx.BeginTrx(MemberInfo& mem, TrxIdentifier conTrx) in C:\Projects\2010\CatTrxServices\CatalystSpsTrx.Contracts\Service\ServiceTrx.cs:line 38 
at _dynamic_CatalystSpsTrx.Contracts.Service.ServiceTrx.BeginTrx(Object , Object[]) 
at Spring.Reflection.Dynamic.SafeMethod.Invoke(Object target, Object[] arguments) 
at Spring.Aop.Framework.DynamicMethodInvocation.InvokeJoinpoint() 
at Spring.Aop.Framework.Adapter.AfterReturningAdviceInterceptor.Invoke(IMethodInvocation invocation) 
at Spring.Aop.Framework.Adapter.ThrowsAdviceInterceptor.Invoke(IMethodInvocation invocation) 
at CompositionAopProxy_d0e73463863e4ccd9c2db0a96530bd0d.BeginTrx(MemberInfo& mem, TrxIdentifier conTrx) 
at ServiceTrx.BeginTrx(MemberInfo& mem, TrxIdentifier conTrx) 
at SyncInvokeBeginTrx(Object , Object[] , Object[]) 
at System.ServiceModel.Dispatcher.SyncMethodInvoker.Invoke(Object instance, Object[] inputs, Object[]& outputs) 
at System.ServiceModel.Dispatcher.DispatchOperationRuntime.InvokeBegin(MessageRpc& rpc) 
at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage5(MessageRpc& rpc) 
at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage31(MessageRpc& rpc) 
at System.ServiceModel.Dispatcher.MessageRpc.Process(Boolean isOperationContextSet)System.NullReferenceException 

Answer 1

那錯誤，因爲你的輸入結構是錯誤的。您的WSDL說，它具有以這種方式被稱爲：

$response = $client->BeginTrx(array('trx' => $trxIdentifier)); 

看看的WSDL，這裏是服務BeginTrx根輸入定義：

<wsdl:message name="IServiceTrx_BeginTrx_InputMessage"> 
    <wsdl:part name="parameters" element="tns:BeginTrx"/> 
</wsdl:message> 

正如你所看到的，輸入是類型BeginTrx。如果按照WSDL，你會發現，被定義爲：

<xs:element name="BeginTrx"> 
    <xs:complexType> 
     <xs:sequence> 
      <xs:element minOccurs="0" name="trx" nillable="true" type="tns:TrxIdentifier"/> 
     </xs:sequence> 
    </xs:complexType> 
</xs:element> 

所以你可以看到，BeginTrx有trx設置了一個param名稱和TrxIdentifier類型的值。

<xs:complexType name="TrxIdentifier"> 
    <xs:sequence> 
    <xs:element minOccurs="0" name="ClientId" type="xs:int"/> 
    <xs:element minOccurs="0" name="DeviceId" nillable="true" type="xs:string"/> 
    ................. 
    </xs:sequence> 
</xs:complexType>