[message]

myAjax.js

@@ -0,0 +1,46 @@
+function myAjax(opt) {
+    opt = opt || {}; // ��·����� opt = opt && '3'
+    opt.method = opt.method || 'GET';
+    opt.url = opt.url || '';
+    opt.async = opt.async || true;
+    opt.data = opt.data || null;
+    opt.dataType = opt.dataType || 'JSON'
+    opt.success = opt.success || function () {
+        };
+    var xmlHttp = null;
+    if (XMLHttpRequest) { 
+        xmlHttp = new XMLHttpRequest(); //��ie�����ajax����
+    }
+    else {
+        xmlHttp = new ActiveXObject('Microsoft.XMLHTTP'); //ie�µ�ajax����
+    }
+    var params = [];
+    for (var key in opt.data)params.push(key + '=' + opt.data[key]);
+    var postData = params.join('&');
+    if (opt.dataType === 'JSONP') {
+        creatScript(opt.url, postData);
+    } else {
+        if (opt.method.toUpperCase() === 'POST') {
+            xmlHttp.open(opt.method, opt.url, opt.async);
+            xmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded;charset=utf-8');
+            xmlHttp.send(postData);
+        }
+        else if (opt.method.toUpperCase() === 'GET') {
+            xmlHttp.open(opt.method, opt.url + '?' + postData, opt.async);
+            xmlHttp.send(null);
+        }
+        xmlHttp.onreadystatechange = function () {
+            if (xmlHttp.readyState == 4 && xmlHttp.status == 200) {
+                if (opt.dataType === 'JSON') {
+                    //JSON.parse(xmlHttp.response)
+                    opt.success(xmlHttp.response);
+                }
+            }
+        };
+    }
+}
+function creatScript(url, data) {
+    var oScript = document.createElement('script');
+    oScript.src = url + '?' + data + '&callback=getEn';
+    document.body.appendChild(oScript);
+}