xmlstore.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

			}

			var sortAttributes = [{attribute: "isbn", descending: true}];
			store.fetch({query:{isbn:"*"}, sort: sortAttributes, onComplete: onComplete, onError: onError});
			return d; //Object
		},
		function testReadAPI_sortAscendingNumeric(t){
			//	summary: 
			//		Simple test of the sorting API in ascending order using a numeric comparator.
			//	description:
			//		Simple test of the sorting API in ascending order using a numeric comparator.
			var store = dojox.data.tests.stores.XmlStore.getBooksStore();

			//isbn should be treated as a numeric, not as a string comparison
			store.comparatorMap = {};
			store.comparatorMap["isbn"] = function(a, b){
				var ret = 0;
				if(parseInt(a.toString()) > parseInt(b.toString())){
					ret = 1;
				}else if(parseInt(a.toString()) < parseInt(b.toString())){
					ret = -1;
				}
				return ret; //int, {-1,0,1}
			};

			var d = new doh.Deferred();
			function onComplete(items, request) {
				t.assertEqual(20, items.length);
				var itemId = 1;
				for(var i = 0; i < items.length; i++){
					t.assertEqual(itemId, store.getValue(items[i],"isbn").toString());
					itemId++;
				}
				d.callback(true);
			}
			function onError(error, request) {
				d.errback(error);
			}

			var sortAttributes = [{attribute: "isbn"}];
			store.fetch({query:{isbn:"*"}, sort: sortAttributes, onComplete: onComplete, onError: onError});
			return d; //Object
		},
		function testReadAPI_isItemLoaded(t){
			//	summary: 
			//		Simple test of the isItemLoaded API
			//	description:
			//		Simple test of the isItemLoaded API
			var store = dojox.data.tests.stores.XmlStore.getBooks2Store();

			var d = new doh.Deferred();
			function onComplete(items, request) {
				t.assertEqual(1, items.length);
				var item = items[0];
				t.assertTrue(store.isItemLoaded(item));
				d.callback(true);
			}
			function onError(error, request) {
				d.errback(error);
			}
			store.fetch({query:{isbn:"A9B574"}, onComplete: onComplete, onError: onError});
			return d; //Object
		},
		function testReadAPI_getFeatures(t){
			//	summary: 
			//		Simple test of the getFeatures function of the store
			//	description:
			//		Simple test of the getFeatures function of the store

			var store = dojox.data.tests.stores.XmlStore.getBooks2Store();
			var features = store.getFeatures(); 
			var count = 0;
			for(i in features){
				t.assertTrue((i === "dojo.data.api.Read" || i === "dojo.data.api.Write"));
				count++;
			}
			t.assertEqual(2, count);
		},
		function testReadAPI_getAttributes(t){
			//	summary: 
			//		Simple test of the getAttributes API
			//	description:
			//		Simple test of the getAttributes API
			var store = dojox.data.tests.stores.XmlStore.getBooks2Store();

			var d = new doh.Deferred();
			function onComplete(items, request) {
				t.assertEqual(1, items.length);
				var item = items[0];
				var attributes = store.getAttributes(item);

				//Should be six, as all items should have tagName, childNodes, and text() special attributes 
				//in addition to any doc defined ones, which in this case are author, title, and isbn
				//FIXME:  Figure out why IE returns 5!  Need to get firebug lite working in IE for that.
				//Suspect it's childNodes, may not be defined if there are no child nodes.
				for(var i = 0; i < attributes.length; i++){
					console.log("attribute found: " + attributes[i]);
				}
				if(dojo.isIE){
					t.assertEqual(5,attributes.length);
				}else{
					t.assertEqual(6,attributes.length);
				}
				d.callback(true);
			}
			function onError(error, request) {
				d.errback(error);
			}
			store.fetch({query:{isbn:"A9B574"}, onComplete: onComplete, onError: onError});
			return d; //Object
		},
		function testWriteAPI_setValue(t){
			//	summary: 
			//		Simple test of the setValue API
			//	description:
			//		Simple test of the setValue API
			var store = dojox.data.tests.stores.XmlStore.getBooks2Store();

			var d = new doh.Deferred();
			function onComplete(items, request) {
				t.assertEqual(1, items.length);
				var item = items[0];
				t.assertTrue(store.containsValue(item,"isbn", "A9B574"));
				store.setValue(item, "isbn", "A9B574-new");
				t.assertEqual(store.getValue(item,"isbn").toString(), "A9B574-new");
				d.callback(true);
			}
			function onError(error, request) {
				d.errback(error);
			}
			store.fetch({query:{isbn:"A9B574"}, onComplete: onComplete, onError: onError});
			return d; //Object
		},
		function testWriteAPI_setValues(t){
			//	summary: 
			//		Simple test of the setValues API
			//	description:
			//		Simple test of the setValues API
			var store = dojox.data.tests.stores.XmlStore.getBooks2Store();

			var d = new doh.Deferred();
			function onComplete(items, request) {
				t.assertEqual(1, items.length);
				var item = items[0];
				t.assertTrue(store.containsValue(item,"isbn", "A9B574"));
				store.setValues(item, "isbn", ["A9B574-new1", "A9B574-new2"]);
				var values = store.getValues(item,"isbn");
				t.assertEqual(values[0].toString(), "A9B574-new1");
				t.assertEqual(values[1].toString(), "A9B574-new2");
				store.setValues(values[0], "text()", ["A9B574", "-new3"]);
				t.assertEqual(store.getValue(values[0],"text()").toString(), "A9B574-new3");
				d.callback(true);
			}
			function onError(error, request) {
				d.errback(error);
			}
			store.fetch({query:{isbn:"A9B574"}, onComplete: onComplete, onError: onError});
			return d; //Object
		},
		function testWriteAPI_unsetAttribute(t){
			//	summary: 
			//		Simple test of the unsetAttribute API
			//	description:
			//		Simple test of the unsetAttribute API
			var store = dojox.data.tests.stores.XmlStore.getBooks2Store();

			var d = new doh.Deferred();
			function onComplete(items, request) {
				t.assertEqual(1, items.length);
				var item = items[0];
				t.assertTrue(store.containsValue(item,"isbn", "A9B574"));
				store.unsetAttribute(item,"isbn");
				t.assertTrue(!store.hasAttribute(item,"isbn"));
				t.assertTrue(store.isDirty(item));
				d.callback(true);
			}
			function onError(error, request) {
				d.errback(error);
			}
			store.fetch({query:{isbn:"A9B574"}, onComplete: onComplete, onError: onError});
			return d; //Object
		},
		function testWriteAPI_isDirty(t){
			//	summary: 
			//		Simple test of the isDirty API
			//	description:
			//		Simple test of the isDirty API
			var store = dojox.data.tests.stores.XmlStore.getBooks2Store();

			var d = new doh.Deferred();
			function onComplete(items, request) {
				t.assertEqual(1, items.length);
				var item = items[0];
				t.assertTrue(store.containsValue(item,"isbn", "A9B574"));
				store.setValue(item, "isbn", "A9B574-new");
				t.assertEqual(store.getValue(item,"isbn").toString(), "A9B574-new");
				t.assertTrue(store.isDirty(item));
				d.callback(true);
			}
			function onError(error, request) {
				d.errback(error);
			}
			store.fetch({query:{isbn:"A9B574"}, onComplete: onComplete, onError: onError});
			return d; //Object
		},
		function testWriteAPI_revert(t){
			//	summary: 
			//		Simple test of the isDirty API
			//	description:
			//		Simple test of the isDirty API
			var store = dojox.data.tests.stores.XmlStore.getBooks2Store();

			var d = new doh.Deferred();
			function onComplete(items, request) {
				t.assertEqual(1, items.length);
				var item = items[0];
				t.assertTrue(store.containsValue(item,"isbn", "A9B574"));
				t.assertTrue(!store.isDirty(item));
				store.setValue(item, "isbn", "A9B574-new");
				t.assertEqual(store.getValue(item,"isbn").toString(), "A9B574-new");
				t.assertTrue(store.isDirty(item));
				store.revert();
				
				//Fetch again to see if it reset the state.
				function onComplete1(items, request) {
					t.assertEqual(1, items.length);
					var item = items[0];
					t.assertTrue(store.containsValue(item,"isbn", "A9B574"));
					d.callback(true);
				}
				store.fetch({query:{isbn:"A9B574"}, onComplete: onComplete1, onError: onError});
			}
			function onError(error, request) {
				d.errback(error);
			}
			store.fetch({query:{isbn:"A9B574"}, onComplete: onComplete, onError: onError});
			return d; //Object
		},
		function testReadAPI_functionConformance(t){
			//	summary: 
			//		Simple test read API conformance.  Checks to see all declared functions are actual functions on the instances.
			//	description:
			//		Simple test read API conformance.  Checks to see all declared functions are actual functions on the instances.

			var testStore = dojox.data.tests.stores.XmlStore.getBooksStore();
			var readApi = new dojo.data.api.Read();
			var passed = true;

			for(i in readApi){
				var member = readApi[i];
				//Check that all the 'Read' defined functions exist on the test store.
				if(typeof member === "function"){
					var testStoreMember = testStore[i];
					if(!(typeof testStoreMember === "function")){
						console.log("Problem with function: [" + i + "]");
						passed = false;
						break;
					}
				}
			}
			t.assertTrue(passed);
		},
		function testWriteAPI_functionConformance(t){
			//	summary: 
			//		Simple test write API conformance.  Checks to see all declared functions are actual functions on the instances.
			//	description:
			//		Simple test write API conformance.  Checks to see all declared functions are actual functions on the instances.

			var testStore = dojox.data.tests.stores.XmlStore.getBooksStore();
			var writeApi = new dojo.data.api.Write();
			var passed = true;

			for(i in writeApi){
				var member = writeApi[i];
				//Check that all the 'Write' defined functions exist on the test store.
				if(typeof member === "function"){
					var testStoreMember = testStore[i];
					if(!(typeof testStoreMember === "function")){
						passed = false;
						break;
					}
				}
			}
			t.assertTrue(passed);
		}
	]
);





}