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jquery调用wcf并展示出数据的方法

Posted in Javascript onJuly 07, 2011

首选创能wcf，代码很简单，如下： 

using System; 
using System.Data; 
using System.ServiceModel; 
using System.ServiceModel.Activation; 
using System.ServiceModel.Web; 
using System.Web.Script.Services; [ServiceContract(Namespace = "")] 
[AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)] 
[ServiceBehavior(IncludeExceptionDetailInFaults = true)] 
public class imgService 
{ 
// 要使用 HTTP GET，请添加 [WebGet] 特性。(默认 ResponseFormat 为 WebMessageFormat.Json) 
// 要创建返回 XML 的操作， 
// 请添加 [WebGet(ResponseFormat=WebMessageFormat.Xml)]， 
// 并在操作正文中包括以下行: 
// WebOperationContext.Current.OutgoingResponse.ContentType = "text/xml"; 
[OperationContract] 
[WebGet(RequestFormat=WebMessageFormat.Json,ResponseFormat=WebMessageFormat.Json)] 
//[WebInvoke(Method = "GET", RequestFormat = WebMessageFormat.Json, ResponseFormat = WebMessageFormat.Json,BodyStyle = WebMessageBodyStyle.WrappedRequest)] 
public DataTable GetDataTable(string pz) 
{ 
// 在此处添加操作实现 
DataSet ds = WebBase.GetDS(WebBase.meinvRepository, string.Empty, " body_id desc",pz); 
if (ds.Tables.Count > 0) 
return ds.Tables[0]; 
return null; 
} 
// 在此处添加更多操作并使用 [OperationContract] 标记它们 
}

说明一下，wcf就一个GetDataTable方法，有一个参数pz表示返回数据的行数，返回的table以json数据给jquery使用

页面调用方法也很简单： 

<%@ Page Language="C#" EnableViewState="false" AutoEventWireup="true" CodeFile="Default.aspx.cs" 
Inherits="jquerywcf_Default" %> 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head id="Head1" runat="server"> 
<title></title> 
<script src="../Scripts/jquery-1.4.1-vsdoc.js" type="text/javascript"></script> 
</head> 
<body> 
<form id="form1" runat="server"> 
<div class="main"> 
<ul><li><a></a></li></ul> 
</div> 
<div> 
<script type="text/javascript"> 
function sendAJAX(data) { 
var url = "<%=_url %>imgService.svc/GetDataTable"; $.getJSON(url, { pz: "6" }, function (msg) { 
$(msg.d).find("Table").each(function (i) { 
var rq = $(this).children("Body_AddTime").text().split('T')[0].replace("-", "").replace("-", ""); 
rq = rq.substring(0, rq.length - 2); 
var html = '<li><a href="http://meinv.vs2010.com/topic/' + $(this).children("Body_MuLuID").text() + '/' + rq + '/show-id' + $(this).children("Body_ID").text() + '.html" target="_blank"><img src="http://meinv.vs2010.com/' + $(this).children("Body_Tu").text() + '" />' + $(this).children("Body_Name").text() + '</a></li>'; 
$(".main ul").append(html); 
}); 
}); 
} 

$(function () { 
sendAJAX(); 
}); 
</script> 
<div id="msg"> 
</div> 
</div> 
</form> 
</body> 
</html>

说明一下，主要是通过jquery的getjson方法去取得wcf返回的数据，传参方法：

$.getJSON(url, { pz: "6" }, function (msg) {alert(msg.d)});这里是返回6条数据还有wcf的svc上加上属性：
Factory=System.ServiceModel.Activation.WebScriptServiceHostFactory还有web.config的配置： 

<?xml version="1.0"?> 
2 <configuration> 
3 
4 <configSections> 
5 <!--ajax--> 
6 <sectionGroup name="ajaxNet"> 
7 <section name="ajaxSettings" type="AjaxPro.AjaxSettingsSectionHandler,AjaxPro.2" requirePermission="false" restartOnExternalChanges="true"/> 
8 </sectionGroup> 
9 <!--ajax--> 
<sectionGroup name="system.web.extensions" type="System.Web.Configuration.SystemWebExtensionsSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"> 
<sectionGroup name="scripting" type="System.Web.Configuration.ScriptingSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"> 
<section name="scriptResourceHandler" type="System.Web.Configuration.ScriptingScriptResourceHandlerSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/> 
<sectionGroup name="webServices" type="System.Web.Configuration.ScriptingWebServicesSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"> 
<section name="jsonSerialization" type="System.Web.Configuration.ScriptingJsonSerializationSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="Everywhere" /> 
<section name="profileService" type="System.Web.Configuration.ScriptingProfileServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication" /> 
<section name="authenticationService" type="System.Web.Configuration.ScriptingAuthenticationServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication" /> 
<section name="roleService" type="System.Web.Configuration.ScriptingRoleServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication" /> 
</sectionGroup> 
</sectionGroup> 
</sectionGroup> 
</configSections> 
<appSettings/> 
<connectionStrings> 
<add name="meinvvs2010ConnectionString" connectionString="server=127.0.0.1;user id=test; password=test; database=test;pooling=false" providerName="MySql.Data.MySqlClient"/> 
</connectionStrings> 
<!--ajax--> 
<ajaxNet> 
<ajaxSettings> 
<urlNamespaceMappings useAssemblyQualifiedName="false" allowListOnly="false"/> 
<jsonConverters includeTypeProperty="true"/> 
<debug enabled="false"/> 
<token enabled="false" sitePassword="password"/> 
</ajaxSettings> 
</ajaxNet> 
<location path="ajaxpro" allowOverride="true" inheritInChildApplications="false"> 
<system.web> 
<globalization requestEncoding="utf-8" responseEncoding="utf-8" fileEncoding="utf-8"/> 
<!--for iis7 
<system.webServer> 
<handlers> 
<add verb="*" path="*.ashx" name="AjaxPro" type="AjaxPro.AjaxHandlerFactory,AjaxPro.2"/> 
</handlers> 
</system.webServer>--> 
<!--for iis6--> 
<httpHandlers> 
<add verb="*" path="*.ashx" type="AjaxPro.AjaxHandlerFactory,AjaxPro.2"/> 
</httpHandlers> 
</system.web> 
</location> 
<!--ajax--> 
<system.web> 
<customErrors mode="Off"/> 
<compilation debug="true"> 
<assemblies> 
<add assembly="System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/> 
<add assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/> 
<add assembly="System.Data.DataSetExtensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/> 
<add assembly="System.Xml.Linq, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/> <add assembly="System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/> 
<add assembly="System.ServiceModel.Web, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"/> 
</assemblies> 
<buildProviders> 
<remove extension=".svc"/> 
<add extension=".svc" type="System.ServiceModel.Activation.ServiceBuildProvider,System.ServiceModel, Version=3.0.0.0, Culture=neutral,PublicKeyToken=b77a5c561934e089"/> 
</buildProviders> 
</compilation> 

<!-- 
通过 <authentication> 节可以配置 
安全身份验证模式，ASP.NET 
使用该模式来识别来访用户身份。 
--> 
<authentication mode="Windows" /> 
<!-- 
如果在执行请求的过程中出现未处理的错误， 
则通过 <customErrors> 节 
可以配置相应的处理步骤。具体而言， 
开发人员通过该节可配置要显示的 html 错误页， 
以代替错误堆栈跟踪。 
<customErrors mode="RemoteOnly" defaultRedirect="GenericErrorPage.htm"> 
<error statusCode="403" redirect="NoAccess.htm" /> 
<error statusCode="404" redirect="FileNotFound.htm" /> 
</customErrors> 
--> 
<pages> 
<controls> 
<add tagPrefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/> 
<add tagPrefix="asp" namespace="System.Web.UI.WebControls" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/> 
</controls> 
</pages> 
<httpHandlers> 
<remove verb="*" path="*.asmx"/> 
<add verb="*" path="*.asmx" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/> 
<add verb="*" path="*_AppService.axd" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/> 
<add verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" validate="false"/> 
</httpHandlers> 
<httpModules> 
<add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/> 
<add name="ServiceModel" type="System.ServiceModel.Activation.HttpModule, System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/> 
</httpModules> 
</system.web> 
<system.codedom> 
<compilers> 
<compiler language="c#;cs;csharp" extension=".cs" warningLevel="4" 
type="Microsoft.CSharp.CSharpCodeProvider, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"> 
<providerOption name="CompilerVersion" value="v3.5"/> 
<providerOption name="WarnAsError" value="false"/> 
</compiler> 
<compiler language="vb;vbs;visualbasic;vbscript" extension=".vb" warningLevel="4" 
type="Microsoft.VisualBasic.VBCodeProvider, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"> 
<providerOption name="CompilerVersion" value="v3.5"/> 
<providerOption name="OptionInfer" value="true"/> 
<providerOption name="WarnAsError" value="false"/> 
</compiler> 
</compilers> 
</system.codedom> 
<!-- 
system.webServer 节是在 Internet Information Services 7.0 下运行 ASP.NET AJAX 
所必需的。对早期版本的 IIS 来说则不需要此节。 
--> 
<system.webServer> 
<validation validateIntegratedModeConfiguration="false"/> 
<urlCompression doStaticCompression="true" doDynamicCompression="true"/> 
<httpErrors errorMode="Detailed" /> 
<asp scriptErrorSentToBrowser="true"/> 

<modules> 
<remove name="ScriptModule" /> 
<add name="ScriptModule" preCondition="managedHandler" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/> 
</modules> 
<handlers> 
<remove name="WebServiceHandlerFactory-Integrated"/> 
<remove name="ScriptHandlerFactory" /> 
<remove name="ScriptHandlerFactoryAppServices" /> 
<remove name="ScriptResource" /> 
<remove name="svc" /> 
<add name="svc" path="*.svc" verb="*" type="System.ServiceModel.Activation.HttpHandler, System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" preCondition="integratedMode" /> 
<add verb="*" path="*.ashx" name="AjaxPro" type="AjaxPro.AjaxHandlerFactory,AjaxPro.2"/> 
<add name="ScriptHandlerFactory" verb="*" path="*.asmx" preCondition="integratedMode" 
type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/> 
<add name="ScriptHandlerFactoryAppServices" verb="*" path="*_AppService.axd" preCondition="integratedMode" 
type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/> 
<add name="ScriptResource" preCondition="integratedMode" verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" /> 
</handlers> 
</system.webServer> 
<runtime> 
<assemblyBinding appliesTo="v2.0.50727" xmlns="urn:schemas-microsoft-com:asm.v1"> 
<dependentAssembly> 
<assemblyIdentity name="MySql.Data" publicKeyToken="C5687FC88969C44D"/> 
<!--<bindingRedirect oldVersion="5.0.7.0" newVersion="6.3.2.0"/>--> 
<bindingRedirect oldVersion="5.0.7.0" newVersion="6.2.3.0"/> 
</dependentAssembly> 
<dependentAssembly> 
<assemblyIdentity name="System.Web.Extensions" publicKeyToken="31bf3856ad364e35"/> 
<bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0"/> 
</dependentAssembly> 
<dependentAssembly> 
<assemblyIdentity name="System.Web.Extensions.Design" publicKeyToken="31bf3856ad364e35"/> 
<bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0"/> 
</dependentAssembly> 
</assemblyBinding> 
</runtime> 
<system.serviceModel> 
<behaviors> 
<endpointBehaviors> 
<behavior name="imgServiceAspNetAjaxBehavior"> 
<enableWebScript /> 
</behavior> 
</endpointBehaviors> 
</behaviors> 
<serviceHostingEnvironment aspNetCompatibilityEnabled="true" > 
<baseAddressPrefixFilters> 
<!--<add prefix="http://demo.vs2010.com"/>--> 
</baseAddressPrefixFilters> 
</serviceHostingEnvironment> 
<services> 
<service name="imgService"> 
<endpoint address="" behaviorConfiguration="imgServiceAspNetAjaxBehavior" 
binding="webHttpBinding" contract="imgService" /> 
</service> 
</services> 
</system.serviceModel> 
</configuration>

好的，成功！上传到gd空间试试 :)

jquery调用wcf并展示出数据的方法

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