Dynamic CRM 2013学习笔记（十）客户端几种查询数据方式比较

1.XMLHttpRequest

定义

1:functionODataRetrieve(oDataString){

2:varServerUrl=Xrm.Page.context.getClientUrl();

3:if(ServerUrl.match(/\/$/)){

4:ServerUrl=ServerUrl.substring(0,ServerUrl.length-1);

5:}

6:varretrieveReq=newXMLHttpRequest();

7:retrieveReq.open("GET",ServerUrl+"/XRMServices/2011/OrganizationData.svc/"+oDataString,false);

8:retrieveReq.setRequestHeader("Accept","application/json");

9:retrieveReq.setRequestHeader("Content-Type","application/json;charset=utf-8");

10:retrieveReq.send();

11:returnJSON.parse(retrieveReq.responseText).d;

12:}

调用方法：

1:varretrievedContact=ODataRetrieve("ContactSet(guid'"+ContactAttribute.getValue()[0].id+"')?Select=JobTitle,MobilePhone");

2:if(retrievedContact!=null){

3:ContactJobAttribute.setValue(retrievedContact.JobTitle);

4:ContactPhoneAttribute.setValue(retrievedContact.MobilePhone);

5:}

2.SDK.JQuery

SDK.JQuery.js位于SDK\SampleCode\JS\RESTEndpoint\JQueryRESTDataOperations\JQueryRESTDataOperations\Scripts下

1:retrieveRecord:function(id,type,select,expand,successCallback,errorCallback)

2:retrieveMultipleRecords:function(type,options,successCallback,errorCallback,OnComplete)[/code]

调用方法：

1:SDK.JQuery.retrieveRecord(

2:AccountId,

3:"Account",

4:null,null,

5:function(account){

6:writeMessage("Retrievedtheaccountnamed\""+account.Name+"\".Thisaccountwascreatedon:\""+account.CreatedOn+"\".");

7:updateAccount(AccountId);

8:},

9:errorHandler

10:);

11:

1:SDK.JQuery.retrieveMultipleRecords(

2:"Contact",
[/code]

3:"$select=ContactId,FullName&$top=1",

4:function(results){

5:varfirstResult=results[0];

6:if(firstResult!=null){

7:primaryContact=results[0];

8:}

9:else{

10:writeMessage("NoContactrecordsareavailabletosetastheprimarycontactfortheaccount.");

11:}

12:},

13:errorHandler,

14:function(){

15://OnCompletehandler

16:}

17:);

18:

3.SDK.Rest

SDK.Rest.js位于SDK\SampleCode\JS\RESTEndpoint\JavaScriptRESTAssociateDisassociate\JavaScriptRESTAssociateDisassociate\Scripts下

1:retrieveRecord:function(id,type,select,expand,successCallback,errorCallback)

2:retrieveMultipleRecords:function(type,options,successCallback,errorCallback,OnComplete)[/code]

调用方法：

1:SDK.REST.retrieveRecord(

2:AccountId,

3:"Account",

4:null,null,

5:function(account){

6:writeMessage("Retrievedtheaccountnamed\""+account.Name+"\".Thisaccountwascreatedon:\""+account.CreatedOn+"\".");

7:updateAccount(AccountId);

8:},

9:errorHandler

10:);

11:

1:SDK.REST.retrieveMultipleRecords(

2:"Contact",
[/code]

3:"$select=ContactId,FullName&$top=1",

4:function(results){

5:varfirstResult=results[0];

6:if(firstResult!=null){

7:primaryContact=results[0];

8:}

9:else{

10:writeMessage("NoContactrecordsareavailabletosetastheprimarycontactfortheaccount.");

11:}

12:},

13:errorHandler,

14:function(){

15://OnCompletehandler

16:}

17:);

18:

DynamicCRM2013学习笔记系列汇总