WCF错误远程服务器返回了意外响应: (413) Request Entity Too Large。解决方案

这个问题出现的原因是  调用wcf服务的时候传递的参数 长度太大   wcf数据传输采用的默认的大小是65535字节。

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解决方法就是改服务端的webconfig文件  没改之前的文件内容如下

<?xml version="1.0" encoding="utf-8"?>

<!--
  有关如何配置 ASP.NET 应用程序的详细信息，请访问
  http://go.microsoft.com/fwlink/?LinkId=169433
  -->

<configuration>
  <appSettings>
    <add key="Encoding" value="Shift-JIS"/>
  </appSettings>
  <system.web>
    <compilation debug="true" targetFramework="4.5" />
    <httpRuntime targetFramework="4.5" />
  </system.web>

  <system.serviceModel>
    <behaviors>
      <serviceBehaviors>
        <behavior name="">
          <serviceMetadata httpGetEnabled="true" httpsGetEnabled="true" />
          <serviceDebug includeExceptionDetailInFaults="true" />
        </behavior>
      </serviceBehaviors>
    </behaviors>
    <serviceHostingEnvironment aspNetCompatibilityEnabled="true"
        multipleSiteBindingsEnabled="true" />
  </system.serviceModel>
</configuration>

修改之后：

<?xml version="1.0" encoding="utf-8"?>

<!--
  有关如何配置 ASP.NET 应用程序的详细信息，请访问
  http://go.microsoft.com/fwlink/?LinkId=169433
  -->

<configuration>
  <appSettings>
  
    <add key="Encoding" value="Shift-JIS"/>
  </appSettings>
  <system.web>
    <compilation debug="true" targetFramework="4.5" />
    <httpRuntime targetFramework="4.5" />
  </system.web>

<system.serviceModel>
    <bindings>
      <basicHttpBinding>
        <!--其实要修改所有的服务，不管是服务端还是客户端，Binding那边增加一个没有设置名字的默认配置就OK了-->
        <binding  closeTimeout="00:10:00" receiveTimeout="00:20:00" sendTimeout="00:20:00"
       maxBufferSize="2147483647" maxReceivedMessageSize="2147483647">
        </binding >
      </basicHttpBinding>
    </bindings>
    <behaviors>
      <serviceBehaviors>
        <behavior name="">
          <!-- 为避免泄漏元数据信息，请在部署前将以下值设置为 false -->
          <serviceMetadata httpGetEnabled="true" httpsGetEnabled="true" />
          <!-- 要接收故障异常详细信息以进行调试，请将以下值设置为 true。在部署前设置为 false 以避免泄漏异常信息 -->
          <serviceDebug includeExceptionDetailInFaults="True" />
          <dataContractSerializer maxItemsInObjectGraph="2147483647" />
        </behavior>
      </serviceBehaviors>
    </behaviors>
    <serviceHostingEnvironment aspNetCompatibilityEnabled="true" multipleSiteBindingsEnabled="true" minFreeMemoryPercentageToActivateService="1" />
  </system.serviceModel>
</configuration>