jQuery实现ajax调用WCF服务办法(附带demo下载)【jquery】

web前端|js教程 jQuery实现ajax调用WCF服务办法(附带demo下载)【jquery】

jQuery,ajax调用,WCF服务,jQuery实现ajax调用WCF服务

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关于AJAX调用WCF服务分为跨域和不跨域两种方式，今天咱们先介绍下不跨域下的调用方法。DEMO是在VS2008写的.

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经过测试与研究，发现AJAX调用WCF服务必须满足以下条件

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1.wcf的通讯方式必须使用webHttpBinding
2.必须设置节点的值
3.服务的实现必须添加标记

[AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)]

[ServiceContract] public interface IService1 { [OperationContract] string GetData(int value); [OperationContract] City GetDataUsingDataContract(City composite); [OperationContract] List GetList(); [OperationContract] List GetListData(List list); } // 使用下面示例中说明的数据约定将复合类型添加到服务操作。 [DataContract] public class City { int seq = 0; string cityID; string ctiyName; [DataMember] public string CityID { get { return cityID; } set { cityID=value; } } [DataMember] public string CityName { get { return ctiyName; } set { ctiyName = value; } } [DataMember] public int Seq { get { return seq; } set { seq = value; } } }

[AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)] public class Service1 : IService1 { [WebInvoke(Method = "POST", BodyStyle = WebMessageBodyStyle.WrappedRequest, RequestFormat = WebMessageFormat.Json, ResponseFormat = WebMessageFormat.Json)] public string GetData(int value) { return string.Format("You entered: {0}", value); } #region IService1 成员 [WebInvoke(Method = "POST", BodyStyle = WebMessageBodyStyle.Bare, ResponseFormat = WebMessageFormat.Json)] public City GetDataUsingDataContract(City composite) { City c = new City(); c.CityID = composite.CityID; c.CityName = composite.CityName; c.Seq = composite.Seq; return c; } [WebInvoke(Method = "POST", BodyStyle = WebMessageBodyStyle.Bare, ResponseFormat = WebMessageFormat.Json)] public List GetList() { List list = new List(); City cc = new City(); cc.CityID = "1"; cc.CityName="北京"; cc.Seq = 3; list.Add(cc); City cc1 = new City(); cc1.CityID = "2"; cc1.CityName = "上海"; cc1.Seq = 4; list.Add(cc1); return list; } [WebInvoke(Method = "POST", BodyStyle = WebMessageBodyStyle.Bare, ResponseFormat = WebMessageFormat.Json)] public List GetListData(List list) { return list; } #endregion }

//参数为整数的方法 function fn1() { $.ajax({ url: "http://localhost:12079/Service1.svc/GetData", type: "POST", contentType: "text/json", data: '{"value":2}', dataType: "json", success: function(returnValue) { alert(returnValue); }, error: function() { alert('error'); } }); } //参数为实体类的方法 function fn2() { $.ajax({ url: "http://localhost:12079/Service1.svc/GetDataUsingDataContract", type: "POST", contentType: "application/json", data: '{"CityID":1,"CityName":"北京","Seq":"3"}', dataType: "json", success: function(returnValue) { alert(returnValue.CityID + ' ' + returnValue.CityName + "--" + returnValue.Seq); }, error: function() { alert('error'); } }); } //返回值为类集合的方法 function fn3() { $.ajax({ url: "http://localhost:12079/Service1.svc/GetList", type: "POST", contentType: "application/json", dataType: "json", success: function(returnValue) { for (var i = 0; i < returnValue.length; i++) { alert(returnValue[i].CityID + ' ' + returnValue[i].CityName+'---'+returnValue[i].Seq); } }, error: function() { alert('error'); } }); } function fn4() { $.ajax({ url: "http://localhost:12079/Service1.svc/GetListData", type: "POST", contentType: "application/json", data: '[{"CityID":1,"CityName":"北京","Seq":"3"},{"CityID":3,"CityName":"上海","Seq":"3"}]', dataType: "json", success: function(returnValue) { for (var i = 0; i < returnValue.length; i++) { alert(returnValue[i].CityID + ' ' + returnValue[i].CityName + '---' + returnValue[i].Seq); } }, error: function() { alert('error'); } }); }