update

huang303513 · huang303513 · commit d7c87c2d1e57 · 2017-01-18T09:57:05.000+08:00
diff --git a/Promise理解和Demo/promise_XMLHttpRequest.js b/Promise理解和Demo/promise_XMLHttpRequest.js
@@ -0,0 +1,31 @@
+/*
+* @Author: huangchengdu
+* @Date:   2017-01-16 16:21:53
+* @Last Modified by:   huangchengdu
+* @Last Modified time: 2017-01-16 17:38:20
+*/
+
+function getURL(url) {
+	return new Promise(function (resolve,reject) {
+		var req = new XMLHttpRequest();
+		req.open('GET',url,true);
+		req.onload = function() {
+			if (req.status === 200) {
+				resolve(req.responseText);
+			}else{
+				reject(new Error(req.statusText));
+			}
+		};
+		req.onerror = function () {
+			reject(new Error(req.statusText));
+		};
+		req.send();
+	});
+}
+
+var url = "http://httpbin.org/get";
+getURL(url).then(function onFulfilled(value) {
+	console.log(value);
+}).catch(function onRejected(error) {
+	console.log(error);
+});
diff --git a/Promise理解和Demo/promise基本概念.html b/Promise理解和Demo/promise基本概念.html
@@ -0,0 +1,54 @@
+<!DOCTYPE html>
+<html lang="en">
+    <head>
+        <meta charset="utf-8">
+        <script type="text/javascript">
+        	function getURL(url) {
+        		return new Promise(function (resolve,reject) {
+        			var req = new XMLHttpRequest();
+        			req.open('GET',url,true);
+        			req.onload = function() {
+        				if (req.status === 200) {
+        					resolve(req.responseText);
+        				}else{
+        					reject(new Error(req.statusText));
+        				}
+        			};
+        			req.onerror = function () {
+        				reject(new Error(req.statusText));
+        			};
+        			req.send();
+        		});
+        	}
+
+        	var url = "http://httpbin.org/get";
+        	getURL(url).then(function onFulfilled(value) {
+        		console.log(value);
+        	}).catch(function onRejected(error) {
+        		console.log(error);
+        	});
+
+        	url = "http://httpbin.org/status/500";
+        	getURL(url).then(function onFulfilled(value) {
+        		console.log("success");
+        	}).catch(function onRejected(error) {
+        		console.error(error);
+        	});
+
+        	var onFulfilled = function(value) {
+        		console.log(value);
+        	};
+        	var onRejected = function(error) {
+        		console.log(error);
+        	};
+        	getURL(url).then(onFulfilled,onRejected);
+
+
+        	
+
+        </script>
+    </head>
+    <body>
+
+    </body>
+</html>
diff --git a/Promise理解和Demo/promise实战.html b/Promise理解和Demo/promise实战.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html lang="en">
+    <head>
+        <meta charset="utf-8">
+        <style type="javascript/text">
+        	
+        </style>
+        <style type="text/css"></style>
+    </head>
+    <body>
+    </body>
+</html>
