csvstore.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

			 args.label = "Title";
			 var csvStore = new dojox.data.CsvStore(args);
			
			var d = new doh.Deferred();
			function onComplete(items, request){
				t.assertEqual(items.length, 1);
				var labelList = csvStore.getLabelAttributes(items[0]);
				t.assertTrue(dojo.isArray(labelList));
				t.assertEqual("Title", labelList[0]);
				d.callback(true);
			}
			csvStore.fetch({ 	query: {Title: "*Sequel*"}, 
								onComplete: onComplete, 
								onError: dojo.partial(dojox.data.tests.stores.CsvStore.error, t, d)
							});
			return d;
		},
		function testReadAPI_getValue(t){
			//	summary: 
			//		Simple test of the getValue function of the store.
			//	description:
			//		Simple test of the getValue function of the store.

			var args = dojox.data.tests.stores.CsvStore.getDatasource("stores/movies.csv");
			var csvStore = new dojox.data.CsvStore(args);

			var d = new doh.Deferred();
			function onItem(item){
				t.assertTrue(item !== null);
				t.is('Dymtryk "the King", Edward', csvStore.getValue(item,"Producer"));
				t.is('Caine Mutiny, The', csvStore.getValue(item,"Title"));
				d.callback(true);	
			}
			csvStore.fetchItemByIdentity({identity: "6", onItem: onItem, onError: dojo.partial(dojox.data.tests.stores.CsvStore.error, t, d)});
			return d;
		},	
		function testReadAPI_getValue_2(t){
			//	summary: 
			//		Simple test of the getValue function of the store.
			//	description:
			//		Simple test of the getValue function of the store.

			var args = dojox.data.tests.stores.CsvStore.getDatasource("stores/movies.csv");
			var csvStore = new dojox.data.CsvStore(args);

			var d = new doh.Deferred();
			function onItem(item){
				t.assertTrue(item !== null);
				t.is("City of God", csvStore.getValue(item,"Title"));
				t.is("2002", csvStore.getValue(item,"Year"));
				d.callback(true);	
			}
            csvStore.fetchItemByIdentity({identity: "0", onItem: onItem, onError: dojo.partial(dojox.data.tests.stores.CsvStore.error, t, d)});
			return d;
		},	
		function testReadAPI_getValue_3(t){
			//	summary: 
			//		Simple test of the getValue function of the store.
			//	description:
			//		Simple test of the getValue function of the store.

			var args = dojox.data.tests.stores.CsvStore.getDatasource("stores/movies.csv");
			var csvStore = new dojox.data.CsvStore(args);

			var d = new doh.Deferred();
			function onItem(item){
				t.assertTrue(item !== null);
				t.is("1979", csvStore.getValue(item,"Year"));
				t.is("Alien", csvStore.getValue(item,"Title"));
				d.callback(true);	
			}
			csvStore.fetchItemByIdentity({identity: "4", onItem: onItem, onError: dojo.partial(dojox.data.tests.stores.CsvStore.error, t, d)});
			return d;
		},	
		function testReadAPI_getValue_4(t){
			//	summary: 
			//		Simple test of the getValue function of the store.
			//	description:
			//		Simple test of the getValue function of the store.

			var args = dojox.data.tests.stores.CsvStore.getDatasource("stores/movies.csv");
			var csvStore = new dojox.data.CsvStore(args);

			var d = new doh.Deferred();
			function onItem(item){
				t.assertTrue(item !== null);
				t.is("2001: A Space Odyssey", csvStore.getValue(item,"Title"));
				t.is("Stanley Kubrick", csvStore.getValue(item,"Producer"));
				d.callback(true);	
			}
			csvStore.fetchItemByIdentity({identity: "2", onItem: onItem, onError: dojo.partial(dojox.data.tests.stores.CsvStore.error, t, d)});
			return d;
		},	

		function testReadAPI_getValues(t){
			//	summary: 
			//		Simple test of the getValues function of the store.
			//	description:
			//		Simple test of the getValues function of the store.

			var args = dojox.data.tests.stores.CsvStore.getDatasource("stores/movies.csv");
			var csvStore = new dojox.data.CsvStore(args);

			var d = new doh.Deferred();
			function onItem(item){
				t.assertTrue(item !== null);
				var names = csvStore.getValues(item,"Title");
				t.assertTrue(dojo.isArray(names));
				t.is(1, names.length);
				t.is("Rain", names[0]);
				d.callback(true);	
			}
			csvStore.fetchItemByIdentity({identity: "1", onItem: onItem, onError: dojo.partial(dojox.data.tests.stores.CsvStore.error, t, d)});
			return d;
		},
		function testIdentityAPI_fetchItemByIdentity(t){
			//	summary: 
			//		Simple test of the fetchItemByIdentity function of the store.
			//	description:
			//		Simple test of the fetchItemByIdentity function of the store.
			
			var args = dojox.data.tests.stores.CsvStore.getDatasource("stores/movies.csv");
			var csvStore = new dojox.data.CsvStore(args);
			
			var d = new doh.Deferred();
			function onItem(item){
				t.assertTrue(item !== null);
				d.callback(true);	
			}
			csvStore.fetchItemByIdentity({identity: "1", onItem: onItem, onError: dojo.partial(dojox.data.tests.stores.CsvStore.error, t, d)});
			return d;
		},

		function testIdentityAPI_fetchItemByIdentity_bad1(t){
			//	summary: 
			//		Simple test of the fetchItemByIdentity function of the store.
			//	description:
			//		Simple test of the fetchItemByIdentity function of the store.
			
			var args = dojox.data.tests.stores.CsvStore.getDatasource("stores/movies.csv");
			var csvStore = new dojox.data.CsvStore(args);
			
			var d = new doh.Deferred();
			function onItem(item){
				t.assertTrue(item === null);
				d.callback(true);	
			}
			csvStore.fetchItemByIdentity({identity: "7", onItem: onItem, onError: dojo.partial(dojox.data.tests.stores.CsvStore.error, t, d)});
			return d;
		},
		function testIdentityAPI_fetchItemByIdentity_bad2(t){
			//	summary: 
			//		Simple test of the fetchItemByIdentity function of the store.
			//	description:
			//		Simple test of the fetchItemByIdentity function of the store.
			
			var args = dojox.data.tests.stores.CsvStore.getDatasource("stores/movies.csv");
			var csvStore = new dojox.data.CsvStore(args);
			var d = new doh.Deferred();
			function onItem(item){
				t.assertTrue(item === null);
				d.callback(true);	
			}
			csvStore.fetchItemByIdentity({identity: "-1", onItem: onItem, onError: dojo.partial(dojox.data.tests.stores.CsvStore.error, t, d)});
			return d;
		},
		function testIdentityAPI_fetchItemByIdentity_bad3(t){
			//	summary: 
			//		Simple test of the fetchItemByIdentity function of the store.
			//	description:
			//		Simple test of the fetchItemByIdentity function of the store.
			
			var args = dojox.data.tests.stores.CsvStore.getDatasource("stores/movies.csv");
			var csvStore = new dojox.data.CsvStore(args);
			var d = new doh.Deferred();
			function onItem(item){
				t.assertTrue(item === null);
				d.callback(true);	
			}
			csvStore.fetchItemByIdentity({identity: "999999", onItem: onItem, onError: dojo.partial(dojox.data.tests.stores.CsvStore.error, t, d)});
			return d;
		},
		function testIdentityAPI_getIdentity(t){
			//	summary: 
			//		Simple test of the fetchItemByIdentity function of the store.
			//	description:
			//		Simple test of the fetchItemByIdentity function of the store.
			
			var args = dojox.data.tests.stores.CsvStore.getDatasource("stores/movies.csv");
			var csvStore = new dojox.data.CsvStore(args);
			
			var d = new doh.Deferred();
			function completed(items, request){
				t.is(7, items.length);
				var passed = true;
				for(var i = 0; i < items.length; i++){
					if(!(csvStore.getIdentity(items[i]) === i)){
						passed=false;
						break;
					}
				}
				t.assertTrue(passed);
				d.callback(true);
			}
			
			//Get everything...
			csvStore.fetch({ onComplete: completed, onError: dojo.partial(dojox.data.tests.stores.CsvStore.error, t, d)});
			return d; //Object
		},
		function testIdentityAPI_getIdentityAttributes(t){
			//	summary: 
			//		Simple test of the getIdentityAttributes
			//	description:
			//		Simple test of the fetchItemByIdentity function of the store.
			
			var args = dojox.data.tests.stores.CsvStore.getDatasource("stores/movies.csv");
			var csvStore = new dojox.data.CsvStore(args);

			var d = new doh.Deferred();
			function onItem(item){
				t.assertTrue(csvStore.isItem(item));
				t.assertEqual(null, csvStore.getIdentityAttributes(item)); 
				d.callback(true);	
			}
			csvStore.fetchItemByIdentity({identity: "1", onItem: onItem, onError: dojo.partial(dojox.data.tests.stores.CsvStore.error, t, d)});
		   	return d;
		},
		function testReadAPI_isItem(t){
			//	summary: 
			//		Simple test of the isItem function of the store
			//	description:
			//		Simple test of the isItem function of the store

			var args = dojox.data.tests.stores.CsvStore.getDatasource("stores/movies.csv");
			var csvStore = new dojox.data.CsvStore(args);

			var d = new doh.Deferred();
			function onItem(item){
				t.assertTrue(csvStore.isItem(item));
				t.assertTrue(!csvStore.isItem({}));
				t.assertTrue(!csvStore.isItem({ item: "not an item" }));
				t.assertTrue(!csvStore.isItem("not an item"));
				t.assertTrue(!csvStore.isItem(["not an item"]));
				d.callback(true);	
			}
			csvStore.fetchItemByIdentity({identity: "1", onItem: onItem, onError: dojo.partial(dojox.data.tests.stores.CsvStore.error, t, d)});
		   	return d;
		},
		function testReadAPI_hasAttribute(t){
			//	summary: 
			//		Simple test of the hasAttribute function of the store
			//	description:
			//		Simple test of the hasAttribute function of the store

			var args = dojox.data.tests.stores.CsvStore.getDatasource("stores/movies.csv");
			var csvStore = new dojox.data.CsvStore(args);

			var d = new doh.Deferred();
			function onItem(item){
				t.assertTrue(item !== null);
				t.assertTrue(csvStore.hasAttribute(item, "Title"));
				t.assertTrue(csvStore.hasAttribute(item, "Producer"));
				t.assertTrue(!csvStore.hasAttribute(item, "Year"));
				t.assertTrue(!csvStore.hasAttribute(item, "Nothing"));
				t.assertTrue(!csvStore.hasAttribute(item, "title"));

				//Test that null attributes throw an exception
				var passed = false;
				try{
					csvStore.hasAttribute(item, null);
				}catch (e){
					passed = true;
				}
				t.assertTrue(passed);
				d.callback(true);	
			}
			csvStore.fetchItemByIdentity({identity: "1", onItem: onItem, onError: dojo.partial(dojox.data.tests.stores.CsvStore.error, t, d)});
		   	return d;
		},
		function testReadAPI_containsValue(t){
			//	summary: 
			//		Simple test of the containsValue function of the store
			//	description:
			//		Simple test of the containsValue function of the store

			var args = dojox.data.tests.stores.CsvStore.getDatasource("stores/movies.csv");
			var csvStore = new dojox.data.CsvStore(args);
 			
			var d = new doh.Deferred();
			function onItem(item){
				t.assertTrue(item !== null);
				t.assertTrue(csvStore.containsValue(item, "Title", "Alien"));
				t.assertTrue(csvStore.containsValue(item, "Year", "1979"));
				t.assertTrue(csvStore.containsValue(item, "Producer", "Ridley Scott"));
				t.assertTrue(!csvStore.containsValue(item, "Title", "Alien2"));
				t.assertTrue(!csvStore.containsValue(item, "Year", "1979   "));
				t.assertTrue(!csvStore.containsValue(item, "Title", null));

				//Test that null attributes throw an exception
				var passed = false;
				try{
					csvStore.containsValue(item, null, "foo");
				}catch (e){
					passed = true;
				}
				t.assertTrue(passed);
				d.callback(true);	
			}
			csvStore.fetchItemByIdentity({identity: "4", onItem: onItem, onError: dojo.partial(dojox.data.tests.stores.CsvStore.error, t, d)});
		   	return d;
		},
		function testReadAPI_getAttributes(t){
			//	summary: 
			//		Simple test of the getAttributes function of the store
			//	description:
			//		Simple test of the getAttributes function of the store

			var args = dojox.data.tests.stores.CsvStore.getDatasource("stores/movies.csv");
			var csvStore = new dojox.data.CsvStore(args);

			var d = new doh.Deferred();
			function onItem(item){
				t.assertTrue(item !== null);
				t.assertTrue(csvStore.isItem(item));

				var attributes = csvStore.getAttributes(item);
				t.is(3, attributes.length);
				for(var i = 0; i < attributes.length; i++){
					t.assertTrue((attributes[i] === "Title" || attributes[i] === "Year" || attributes[i] === "Producer"));
				}
				d.callback(true);	
			}
			csvStore.fetchItemByIdentity({identity: "4", onItem: onItem, onError: dojo.partial(dojox.data.tests.stores.CsvStore.error, t, d)});
		   	return d;
		},

		function testReadAPI_getAttributes_onlyTwo(t){
			//	summary: 
			//		Simple test of the getAttributes function of the store
			//	description:
			//		Simple test of the getAttributes function of the store

			var args = dojox.data.tests.stores.CsvStore.getDatasource("stores/movies.csv");
			var csvStore = new dojox.data.CsvStore(args);

			var d = new doh.Deferred();
			function onItem(item){
				// Test an item that does not have all of the attributes
				t.assertTrue(item !== null);
				t.assertTrue(csvStore.isItem(item));

				var attributes = csvStore.getAttributes(item);
				t.assertTrue(attributes.length === 2);
				t.assertTrue(attributes[0] === "Title");
				t.assertTrue(attributes[1] === "Producer");
				d.callback(true);	
			}
			csvStore.fetchItemByIdentity({identity: "1", onItem: onItem, onError: dojo.partial(dojox.data.tests.stores.CsvStore.error, t, d)});
		   	return d;
		},

		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 args = dojox.data.tests.stores.CsvStore.getDatasource("stores/movies.csv");
			var csvStore = new dojox.data.CsvStore(args);

			var features = csvStore.getFeatures(); 
			var count = 0;
			for(i in features){
				t.assertTrue((i === "dojo.data.api.Read" || i === "dojo.data.api.Identity"));
				count++;
			}