Ajax

开发平台：

Java

loadjs.js：源码内容

							function getXMLHttp(){                 //获取httprequest对象
    var _sys_req_ajax=false;
    if(window.XMLHttpRequest) {
        try {
            _sys_req_ajax = new XMLHttpRequest();
        } catch(e){
            _sys_req_ajax = false;
        }
    } else if(window.ActiveXObject){
        try {
            _sys_req_ajax = new ActiveXObject("Msxml2.XMLHTTP");
        } catch(e) {
            try {
                _sys_req_ajax = new ActiveXObject("Microsoft.XMLHTTP");
            } catch(e) {
                _sys_req_ajax = false;
            }
        }
    }
    return _sys_req_ajax;
}

						