简单的ajax连接库分享(不用jquery的ajax)
代码如下:
var ajax = { init : function(){ var xmlHttp = new XMLHttpRequest(); if (!window.XMLHttpRequest) xmlHttp=new ActiveXObject("Microsoft.XMLHTTP"); return xmlHttp; }, call : function(opt){ var xmlHttp = this.init(); xmlHttp.onreadystatechange = function(){ if(xmlHttp.readyState===4) { xmlHttp.status===200 ? opt.success(xmlHttp.responseText,xmlHttp.responseXML) : opt.error(xmlHttp.responseText,xmlHttp.status); } } opt.data = this.parseData(opt.data); if(opt.method.toLowerCase() === 'get'){ opt.url = opt.url + "?" + opt.data; opt.data = null; } xmlHttp.open(opt.method,opt.url,opt.async); if(opt.method.toLowerCase() === 'post') xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded"); xmlHttp.send(opt.data); }, parseData : function(data){ if(typeof data == 'object'){ var str = ''; for(var i in data){ str += "&"+i+"="+encodeURIComponent(data[i]); } return str.length==0 ? str : str.substring(1); }else{ return data; } } }
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