atomreadstore.js

这是一个ajax的例子大家好好的看看就是一个鱼眼的效果

if(!dojo._hasResource["dojox.data.tests.stores.AtomReadStore"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojox.data.tests.stores.AtomReadStore"] = true;
dojo.provide("dojox.data.tests.stores.AtomReadStore");
dojo.require("dojox.data.AtomReadStore");
dojo.require("dojo.data.api.Read");

dojox.data.tests.stores.AtomReadStore.getBlog1Store = function(){
	return new dojox.data.AtomReadStore({url: dojo.moduleUrl("dojox.data.tests", "stores/atom1.xml").toString()});
	//return new dojox.data.AtomReadStore({url: "/sos/feeds/blog.php"});
};
/*
dojox.data.tests.stores.AtomReadStore.getBlog2Store = function(){
	return new dojox.data.AtomReadStore({url: dojo.moduleUrl("dojox.data.tests", "stores/atom2.xml").toString()});
};
*/
dojox.data.tests.stores.AtomReadStore.error = function(t, d, errData){
	//  summary:
	//		The error callback function to be used for all of the tests.
	//console.log("In here.");
	//console.trace();
	d.errback(errData);
}

doh.register("dojox.data.tests.stores.AtomReadStore",
	[
		{
			name: "ReadAPI:  Fetch_One",
			timeout:	5000, //1 second
			runTest: function(t) {
				//	summary:
				//		Simple test of a basic fetch on AtomReadStore of a single item.
				//	description:
				//		Simple test of a basic fetch on AtomReadStore of a single item.

				var atomStore = dojox.data.tests.stores.AtomReadStore.getBlog1Store();

				var d = new doh.Deferred();
				function onComplete(items, request){
					t.is(1, items.length);
					d.callback(true);
				}
				atomStore.fetch({
					query: {
					},
					count: 1,
					onComplete: onComplete,
					onError: dojo.partial(dojox.data.tests.stores.AtomReadStore.error, doh, d)
				});
				return d; //Object
			}
		},
		{
			name: "ReadAPI:  Fetch_5_Streaming",
			timeout:	5000, //1 second.
			runTest: function(t) {
				//	summary:
				//		Simple test of a basic fetch on AtomReadStore.
				//	description:
				//		Simple test of a basic fetch on AtomReadStore.
				var atomStore = dojox.data.tests.stores.AtomReadStore.getBlog1Store();

				var d = new doh.Deferred();
				var count = 0;

				function onItem(item, requestObj){
				  t.assertTrue(atomStore.isItem(item));
				  count++;
				}
				function onComplete(items, request){
					t.is(5, count);

					t.is(null, items);
					d.callback(true);
				}
				//Get everything...
				atomStore.fetch({
					query: {
					},
					onBegin: null,
					count: 5,
					onItem: onItem,
					onComplete: onComplete,
					onError: dojo.partial(dojox.data.tests.stores.AtomReadStore.error, t, d)
				});
				return d; //Object
			}
		},
		{
			name: "ReadAPI:  Fetch_Paging",
			timeout:	5000, //1 second.
			runTest: function(t) {
				//	summary:
				//		Test of multiple fetches on a single result.  Paging, if you will.
				//	description:
				//		Test of multiple fetches on a single result.  Paging, if you will.

				var atomStore = dojox.data.tests.stores.AtomReadStore.getBlog1Store();
				var d = new doh.Deferred();
				
				function dumpFirstFetch(items, request){
					t.is(5, items.length);
					request.start = 3;
					request.count = 1;
					request.onComplete = dumpSecondFetch;
					atomStore.fetch(request);
				}

				function dumpSecondFetch(items, request){
					console.log("dumpSecondFetch: got "+items.length);
					t.is(1, items.length);
					request.start = 0;
					request.count = 5;
					request.onComplete = dumpThirdFetch;
					atomStore.fetch(request);
				}

				function dumpThirdFetch(items, request){
					console.log("dumpThirdFetch: got "+items.length);
					t.is(5, items.length);
					request.start = 2;
					request.count = 18;
					request.onComplete = dumpFourthFetch;
					atomStore.fetch(request);
				}

				function dumpFourthFetch(items, request){
					console.log("dumpFourthFetch: got "+items.length);
					t.is(18, items.length);
					request.start = 5;
					request.count = 11;
					request.onComplete = dumpFifthFetch;
					atomStore.fetch(request);
				}

				function dumpFifthFetch(items, request){
					console.log("dumpFifthFetch: got "+items.length);
					t.is(11, items.length);
					request.start = 4;
					request.count = 16;
					request.onComplete = dumpSixthFetch;
					atomStore.fetch(request);
				}

				function dumpSixthFetch(items, request){
					console.log("dumpSixthFetch: got "+items.length);
					t.is(16, items.length);
					d.callback(true);
				}

				function completed(items, request){
					t.is(7, items.length);
					request.start = 1;
					request.count = 5;
					request.onComplete = dumpFirstFetch;
					atomStore.fetch(request);
				}
				atomStore.fetch({
					query: {
					},
					count: 7,
					onComplete: completed,
					onError: dojo.partial(dojox.data.tests.stores.AtomReadStore.error, t, d)
				});
				return d; //Object
			}
		},
		{
			name: "ReadAPI:  getLabel",
			timeout:	5000, //1 second.
			runTest: function(t) {
				//	summary:
				//		Simple test of the getLabel function against a store set that has a label defined.
				//	description:
				//		Simple test of the getLabel function against a store set that has a label defined.

				var atomStore = dojox.data.tests.stores.AtomReadStore.getBlog1Store();

				var d = new doh.Deferred();
				function onComplete(items, request){
					t.assertEqual(items.length, 1);
					var label = atomStore.getLabel(items[0]);
					t.assertTrue(label !== null);
					d.callback(true);
				}
				atomStore.fetch({
					query: {
					},
					count: 1,
					onComplete: onComplete,
					onError: dojo.partial(dojox.data.tests.stores.AtomReadStore.error, t, d)
				});
				return d;
			}
		},
		{
			name: "ReadAPI:  getLabelAttributes",
			timeout:	5000, //1 second
			runTest: function(t) {
				//	summary:
				//		Simple test of the getLabelAttributes function against a store set that has a label defined.
				//	description:
				//		Simple test of the getLabelAttributes function against a store set that has a label defined.
				
				var atomStore = dojox.data.tests.stores.AtomReadStore.getBlog1Store();

				var d = new doh.Deferred();
				function onComplete(items, request){
					t.assertEqual(items.length, 1);
					var labelList = atomStore.getLabelAttributes(items[0]);
					t.assertTrue(dojo.isArray(labelList));
					t.assertEqual("title", labelList[0]);
					d.callback(true);
				}
				atomStore.fetch({
					query: {
					},
					count: 1,
					onComplete: onComplete,
					onError: dojo.partial(dojox.data.tests.stores.AtomReadStore.error, t, d)
				});
				return d;
							
			}
		},
		{
			name: "ReadAPI:  getValue",
			timeout:	5000, //1 second
			runTest: function(t) {
				//	summary:
				//		Simple test of the getValue function of the store.
				//	description:
				//		Simple test of the getValue function of the store.
				var atomStore = dojox.data.tests.stores.AtomReadStore.getBlog1Store();

				var d = new doh.Deferred();
				function completedAll(items){
					t.is(1, items.length);
					t.assertTrue(atomStore.getValue(items[0], "summary") !== null);
					t.assertTrue(atomStore.getValue(items[0], "content") !== null);
					t.assertTrue(atomStore.getValue(items[0], "published") !== null);
					t.assertTrue(atomStore.getValue(items[0], "updated") !== null);
					console.log("typeof updated = "+typeof(atomStore.getValue(items[0], "updated")));
					t.assertTrue(atomStore.getValue(items[0], "updated").getFullYear);
					d.callback(true);
				}

				//Get one item and look at it.
				atomStore.fetch({
					query: {
					},
					count: 1,
					onComplete: completedAll,
					onError: dojo.partial(dojox.data.tests.stores.AtomReadStore.error, t, d)});
				return d; //Object
			}
		},
		{
			name: "ReadAPI:  getValue_Failure",
			timeout:	5000, //1 second
			runTest: function(t) {
				//	summary:
				//		Simple test of the getValue function of the store.
				//	description:
				//		Simple test of the getValue function of the store.
				var atomStore = dojox.data.tests.stores.AtomReadStore.getBlog1Store();
				var passed = false;
				try{
					var value = store.getValue("NotAnItem", foo);
				}catch(e){
					passed = true;
				}
				t.assertTrue(passed);
			}
		},
		{
			name: "ReadAPI:  getValues",
			timeout:	5000, //1 second
			runTest: function(t) {
				//	summary:
				//		Simple test of the getValue function of the store.
				//	description:
				//		Simple test of the getValue function of the store.
				var atomStore = dojox.data.tests.stores.AtomReadStore.getBlog1Store();

				var d = new doh.Deferred();
				function completedAll(items){
					t.is(1, items.length);
					var summary = atomStore.getValues(items[0], "summary");
					t.assertTrue(dojo.isArray(summary));

					var content = atomStore.getValues(items[0], "content");
					t.assertTrue(dojo.isArray(content));

					var published = atomStore.getValues(items[0], "published");
					t.assertTrue(dojo.isArray(published));

					var updated = atomStore.getValues(items[0], "updated");
					t.assertTrue(dojo.isArray(updated));
					d.callback(true);
				}
				//Get one item and look at it.
				atomStore.fetch({
					query: {
					},
					count: 1,
					onComplete: completedAll,
					onError: dojo.partial(dojox.data.tests.stores.AtomReadStore.error,
					t,
					d)
				});
				return d; //Object
			}
		},
		{
			name: "ReadAPI:  getValues_Failure",
			timeout:	5000, //1 second
			runTest: function(t) {
				//	summary:
				//		Simple test of the getValue function of the store.
				//	description:
				//		Simple test of the getValue function of the store.