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¼òµ¥µÄExt.Ajax. requestʾÀý  
    var requestConfig = {  
        url :'loginServer.jsp',//ÇëÇóµÄ·þÎñÆ÷µØÖ·  
        params : {userName : 'tom',password : '123'},//ÇëÇó²ÎÊý  
        customer : '×Ô¶¨ÒåÊôÐÔ',//¸½¼ÓÊôÐÔ  
        callback : function(options,success,response){//»Øµ÷º¯Êý  
            var msg = ["ÇëÇóÊÇ·ñ³É¹¦£º" ,success,"\n",  
                        "·þÎñÆ÷·µ»ØÖµ£º",response.responseText,  
                        "±¾µØ×Ô¶¨ÒåÊôÐÔ£º",options.customer];  
            alert(msg.join(''));  
        }  
    }  
    Ext.Ajax.request(requestConfig);//·¢ËÍÇëÇó  
      
Ext.Ajax±íµ¥ÌύʾÀý  
        var requestConfig = {  
            url :'loginServer.jsp',//ÇëÇóµÄ·þÎñÆ÷µØÖ·  
            form : 'loginForm',//Ö¸¶¨ÒªÌá½»µÄ±íµ¥id  
            callback : function(options,success,response){//»Øµ÷º¯Êý  
                var msg = ["ÇëÇóÊÇ·ñ³É¹¦£º" ,success,"\n",  
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