/// <summary>
        /// 返回创建的接口的代理代理类型
        /// </summary>
        /// <param name="interfaceType">接口类型</param>
        /// <param name="apiMethods">接口方法集合</param>
        /// <returns></returns>
        private static Type BuildProxyType(Type interfaceType, MethodInfo[] apiMethods)
        {
            var moduleName   = interfaceType.GetTypeInfo().Module.Name;
            var assemblyName = new AssemblyName(Guid16.NewGuid16().ToString());

            var module = AssemblyBuilder
                         .DefineDynamicAssembly(assemblyName, AssemblyBuilderAccess.Run)
                         .DefineDynamicModule(moduleName);

            var builder = module.DefineType(interfaceType.FullName, TypeAttributes.Class, typeof(HttpApi));

            builder.AddInterfaceImplementation(interfaceType);

            var fieldInterceptor = BuildField(builder, "interceptor", typeof(IApiInterceptor));
            var fieldApiMethods  = BuildField(builder, "apiMethods", typeof(MethodInfo[]));

            BuildCtor(builder, fieldInterceptor, fieldApiMethods);
            BuildMethods(builder, apiMethods, fieldInterceptor, fieldApiMethods);

            return(builder.CreateTypeInfo().AsType());
        }
 /// <summary>
 /// form-data表单
 /// </summary>
 public MultipartFormContent()
     : this(Guid16.NewGuid16().ToString())
 {
 }