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我有一个返回自定义对象的 WCF 服务（这在浏览器中有效），但是当我从 Javascript 调用该服务时，我在 FF 中得到了无效标签错误。当我将它http://localhost/Service1.svc/MethodName/param1/param2放入浏览器时，我得到了正确的信息，但它看起来与我将其转换为 JSONP 之前的 JSON 响应相同，即。我不确定响应是否有包装器。我正在使用的javascript如下：

function CallService() {
$.ajax({
    cache:true,
    type: varType, //GET or POST or PUT or DELETE verb
    url: varUrl, // Location of the service
    data: varData, //Data sent to server
    crossDomain: true,
    contentType: varContentType, // content type sent to server
    dataType: varDataType, //Expected data format from server
    processdata: varProcessData, //True or False
    success: function (msg) {//On Successful service call
        ServiceSucceeded(msg);
    },
    error: ServiceFailed// When Service call fails
});

function SetupTrainList(tiploc) {
    try {
        varType = "GET";
        varUrl = "http://localhost/Service1.svc/MethodName/param1/param2";
        varContentType = "application/javascript";
        varDataType = "jsonp";
        varProcessData = false;
        CallService();
    }
    catch (e) {
        console.log(e.toString());
    }
}

世界足联：

<OperationContract()>
    <WebInvoke(BodyStyle:=WebMessageBodyStyle.Bare,
        Method:="GET",
        RequestFormat:=WebMessageFormat.Json,
        ResponseFormat:=WebMessageFormat.Json,
        UriTemplate:="MethodName/{param1}/{param2}")>
    Function MethodName(ByVal param1 As String, ByVal param2 As String) As ComplexType
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