WCF开发(9)Unity连接WCF

参考&＃xff1a;https://www.cnblogs.com/JLZT1223/p/6062613.html

和一般连接WCF的不同之处&＃xff1a;

1.要手动添加必要的dll

2.要手动创建客户端代码&＃xff08;用svcutil.exe&＃xff09;

我用D盘的绝对路径是因为不加路径会导致无法创建文件&＃xff0c;以管理员方式启动cmd的话应该就没问题。

System.Runtime.Serialization.dll不用添加&＃xff0c;添加了会说已经存在。我的Unity是5.6.03f

生成文件内容&＃xff1a;

//------------------------------------------------------------------------------
//
// 此代码由工具生成。
// 运行时版本:2.0.50727.8825
//
// 对此文件的更改可能会导致不正确的行为&＃xff0c;并且如果
// 重新生成代码&＃xff0c;这些更改将会丢失。
//
//------------------------------------------------------------------------------[System.CodeDom.Compiler.GeneratedCodeAttribute("System.ServiceModel", "3.0.0.0")]
[System.ServiceModel.ServiceContractAttribute(Namespace&＃61;"WCFServiceLib", ConfigurationName&＃61;"ICommonService")]
public interface ICommonService {[System.ServiceModel.OperationContractAttribute(Action&＃61;"WCFServiceLib/ICommonService/Hello", ReplyAction&＃61;"WCFServiceLib/ICommonService/HelloResponse")]string Hello(string name);[System.ServiceModel.OperationContractAttribute(Action&＃61;"WCFServiceLib/ICommonService/GetString", ReplyAction&＃61;"WCFServiceLib/ICommonService/GetStringResponse")]string GetString(int count, string item);[System.ServiceModel.OperationContractAttribute(Action&＃61;"WCFServiceLib/ICommonService/SendString", ReplyAction&＃61;"WCFServiceLib/ICommonService/SendStringResponse")]string SendString(string msg);[System.ServiceModel.OperationContractAttribute(Action&＃61;"WCFServiceLib/ICommonService/GetData", ReplyAction&＃61;"WCFServiceLib/ICommonService/GetDataResponse")]WCFModels.DataInfo GetData(string id, string name);[System.ServiceModel.OperationContractAttribute(Action&＃61;"WCFServiceLib/ICommonService/SendData", ReplyAction&＃61;"WCFServiceLib/ICommonService/SendDataResponse")]string SendData(WCFModels.DataInfo data);
}[System.CodeDom.Compiler.GeneratedCodeAttribute("System.ServiceModel", "3.0.0.0")]
public interface ICommonServiceChannel : ICommonService, System.ServiceModel.IClientChannel {
}[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.CodeDom.Compiler.GeneratedCodeAttribute("System.ServiceModel", "3.0.0.0")]
public partial class CommonServiceClient : System.ServiceModel.ClientBase, ICommonService {public CommonServiceClient() {}public CommonServiceClient(string endpointConfigurationName) : base(endpointConfigurationName) {}public CommonServiceClient(string endpointConfigurationName, string remoteAddress) : base(endpointConfigurationName, remoteAddress) {}public CommonServiceClient(string endpointConfigurationName, System.ServiceModel.EndpointAddress remoteAddress) : base(endpointConfigurationName, remoteAddress) {}public CommonServiceClient(System.ServiceModel.Channels.Binding binding, System.ServiceModel.EndpointAddress remoteAddress) : base(binding, remoteAddress) {}public string Hello(string name) {return base.Channel.Hello(name);}public string GetString(int count, string item) {return base.Channel.GetString(count, item);}public string SendString(string msg) {return base.Channel.SendString(msg);}public WCFModels.DataInfo GetData(string id, string name) {return base.Channel.GetData(id, name);}public string SendData(WCFModels.DataInfo data) {return base.Channel.SendData(data);}
}
namespace WCFModels {using System.Runtime.Serialization;[System.Diagnostics.DebuggerStepThroughAttribute()][System.CodeDom.Compiler.GeneratedCodeAttribute("System.Runtime.Serialization", "3.0.0.0")][System.Runtime.Serialization.DataContractAttribute(Name&＃61;"DataInfo", Namespace&＃61;"http://schemas.datacontract.org/2004/07/WCFModels")]public partial class DataInfo : object, System.Runtime.Serialization.IExtensibleDataObject {private System.Runtime.Serialization.ExtensionDataObject extensionDataField;private string IdField;private string NameField;private string TextField;public System.Runtime.Serialization.ExtensionDataObject ExtensionData {get {return this.extensionDataField;}set {this.extensionDataField &＃61; value;}}[System.Runtime.Serialization.DataMemberAttribute()]public string Id {get {return this.IdField;}set {this.IdField &＃61; value;}}[System.Runtime.Serialization.DataMemberAttribute()]public string Name {get {return this.NameField;}set {this.NameField &＃61; value;}}[System.Runtime.Serialization.DataMemberAttribute()]public string Text {get {return this.TextField;}set {this.TextField &＃61; value;}}}
}脚本中测试

private void TestCommonServiceClient(){CommonServiceClient client &＃61; GetCommonServiceClient(WCFClient.Instance.Ip);client.SendString("CommonServiceClient Start");WCFModels.DataInfo data &＃61; client.GetData("1", "2");Write(string.Format("{0},{1}", data.Id, data.Name));}public static CommonServiceClient GetCommonServiceClient(string ip){NetTcpBinding binding &＃61; new NetTcpBinding(SecurityMode.None);binding.MaxReceivedMessageSize &＃61; int.MaxValue;EndpointAddress endpointAddress &＃61; new EndpointAddress("net.tcp://" &＃43; ip &＃43; ":8001/CommonService");CommonServiceClient currentClient &＃61; new CommonServiceClient(binding, endpointAddress);return currentClient;}可以

接下来试试这部分代码在Hololens中能不能正常运行。

当初的最终目标就是在Hololens中使用wcf的&＃xff0c;因为Hololens的运行环境是UWP&＃xff0c;所以先研究了在UWP中使用WCF&＃xff0c;然后再通过接口的方式在脚本中使用。

这么看来可能不需要这样。

等待后续测试吧&＃xff0c;说不定在Hololens中不能使用呢。

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svcutil生成的代码中的 数据类型 和 Unity引用的dll中的数据类型重复了&＃xff0c;必须手动删除那部分代码。想让svcutil只生成客户代码&＃xff0c;添加-reference:参数&＃xff0c;没用&＃xff0c;还是会生成。

用VS生成的话&＃xff0c;只要客户端项目引用了数据类型所在的dll就不会重新创建这些类型的代码了了。

但是用VS添加服务引用生成的代码中包含异步调用的代码...

将客户端项目修改为3.5的&＃xff08;原本是4.5的&＃xff09;&＃xff0c;异步调用代码就没有了。

不使用svcutil.exe&＃xff0c;还是用VS 项目生成代码吧&＃xff0c;再移动到Unity中好了。
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考虑到异步处理&＃xff0c;还是用回调函数的方式处理返回结果&＃xff0c;做一个Unity版本的WCFClient

将UWP中的代码移动到Unity中&＃xff0c;相应的修改代码&＃xff08;基本上去掉async和await就行了&＃xff09;&＃xff0c;语法没问题&＃xff0c;测试。

问题1&＃xff1a;

获取列表数据时数量没问题&＃xff0c;但是无法获取具体数据内容。发现是因为数据类中没有添加DataContract和DataMember&＃xff0c;但是用UWP的话可以&＃xff0c;之前有测试过的&＃xff0c;没加相当于全加上的&＃xff0c;但是这样看来在这里不适用。加上合适的DataContract和DataMember就可以了&＃xff0c;加[Serializable]没用&＃xff08;《WCF服务编程》里面是说可以的&＃xff09;。

问题2&＃xff1a;

MainTest:System.Xml.XmlException: Text content buffer exceeds the quota limitation at 5339. 12220 bytes and should be less than 8192 bytesat System.Xml.XmlBinaryDictionaryReader.Alloc (Int32 size) [0x00000] in :0 at System.Xml.XmlBinaryDictionaryReader.ReadTextOrValue (Byte ident, System.Xml.NodeInfo node, Boolean canSkip) [0x00000] in :0 at System.Xml.XmlBinaryDictionaryReader.Read () [0x00000] in :0 at System.Xml.XmlReader.Skip () [0x00000] in :0 at System.Runtime.Serialization.SerializationMap.DeserializeContent (System.Xml.XmlReader reader, System.Runtime.Serialization.XmlFormatterDeserializer deserializer, Boolean empty) [0x00000] in :0 at System.Runtime.Serialization.SerializationMap.DeserializeContent (System.Xml.XmlReader reader, System.Runtime.Serialization.XmlFormatterDeserializer deserializer) [0x00000] in :0 at System.Runtime.Serialization.SerializationMap.DeserializeObject (System.Xml.XmlReader reader, System.Runtime.Serialization.XmlFormatterDeserializer deserializer) [0x00000] in :0 at System.Runtime.Serialization.XmlFormatterDeserializer.DeserializeByMap (System.Xml.XmlQualifiedName name, System.Type type, System.Xml.XmlReader reader) [0x00000] in :0 at System.Runtime.Serialization.XmlFormatterDeserializer.DeserializeCore (System.Type type, System.Xml.XmlReader reader) [0x00000] in :0 at System.Runtime.Serialization.XmlFormatterDeserializer.Deserialize (System.Type type, System.Xml.XmlReader reader) [0x00000] in :0 at System.Runtime.Serialization.CollectionTypeMap.DeserializeContent (System.Xml.XmlReader reader, System.Runtime.Serialization.XmlFormatterDeserializer deserializer) [0x00000] in :0 at System.Runtime.Serialization.SerializationMap.DeserializeObject (System.Xml.XmlReader reader, System.Runtime.Serialization.XmlFormatterDeserializer deserializer) [0x00000] in :0 at System.Runtime.Serialization.XmlFormatterDeserializer.DeserializeByMap (System.Xml.XmlQualifiedName name, System.Type type, System.Xml.XmlReader reader) [0x00000] in :0 at System.Runtime.Serialization.XmlFormatterDeserializer.DeserializeCore (System.Type type, System.Xml.XmlReader reader) [0x00000] in :0 at System.Runtime.Serialization.XmlFormatterDeserializer.Deserialize (System.Type type, System.Xml.XmlReader reader) [0x00000] in :0 at System.Runtime.Serialization.XmlFormatterDeserializer.Deserialize (System.Xml.XmlReader reader, System.Type type, System.Runtime.Serialization.KnownTypeCollection knownTypes, IDataContractSurrogate surrogate, System.String name, System.String ns, Boolean verifyObjectName) [0x00000] in :0 at System.Runtime.Serialization.DataContractSerializer.ReadObject (System.Xml.XmlDictionaryReader reader, Boolean verifyObjectName) [0x00000] in :0 at System.Runtime.Serialization.XmlObjectSerializer.ReadObject (System.Xml.XmlDictionaryReader reader) [0x00000] in :0 at System.ServiceModel.Dispatcher.DataContractMessagesFormatter.MessageToParts (System.ServiceModel.Description.MessageDescription md, System.ServiceModel.Channels.Message message) [0x00000] in :0 at System.ServiceModel.Dispatcher.BaseMessagesFormatter.DeserializeReply (System.ServiceModel.Channels.Message message, System.Object[] parameters) [0x00000] in :0 at System.ServiceModel.ClientRuntimeChannel.Request (System.ServiceModel.Description.OperationDescription od, System.Object[] parameters) [0x00000] in :0 at System.ServiceModel.ClientRuntimeChannel.DoProcess (System.Reflection.MethodBase method, System.String operationName, System.Object[] parameters) [0x00000] in :0 at System.ServiceModel.ClientRuntimeChannel.Process (System.Reflection.MethodBase method, System.String operationName, System.Object[] parameters) [0x00000] in :0
UnityEngine.Debug:Log(Object)应该是反序列化时数据量太大了。是因为有一个字符串属性的字符串内容长度为12220导致的。

两个都是反序列化的问题&＃xff0c;一般来说是没问题的&＃xff08;正常添加DataContract&＃xff0c;一个字符串属性长度不要太大&＃xff09;。

结论&＃xff1a;可以使用。

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打包成Hololens的SLN时有问题&＃xff0c;

 1. System.ServiceModel.dll重复了&＃xff0c;说是已经存在了。修改dll的设置&＃xff0c;WSAPlayer不选&＃xff0c;只在Unity中使用。

 2. 前面生成的客户端代码不能用&＃xff0c;特性相关的dll不能使用。修改代码&＃xff0c;整个WCF客户端代码文件用#if UNITY_EDITOR包起来&＃xff0c;只在Unity中测试用。

虽然在Hololens中无法使用&＃xff0c;但是不如说正好接上UWP中的版本&＃xff0c;一个用于在Unity中测试&＃xff0c;测试好后再打包到UWP中测试&＃xff0c;能显著减少打包成UWP的次数。