web.config新增配置
<system.serviceModel> <bindings> <basicHttpBinding> <binding maxBufferSize="2147483647" maxBufferPoolSize="2147483647" maxReceivedMessageSize="2147483647" messageEncoding="Text" transferMode="Buffered" > </binding> </basicHttpBinding> </bindings> <behaviors> <serviceBehaviors> <behavior> <dataContractSerializer maxItemsInObjectGraph="2147483647"/> </behavior> </serviceBehaviors> </behaviors> </system.serviceModel>