ajax.js

ds18b20的代码及结构及其介绍 以及一些相关资料

	

	//修改版的AJAX
	function myAjax() {	
		this.getRequestObject = function() {
			var requestObj;
			try {
				requestObj = new ActiveXObject("Msxml2.XMLHTTP");
			} catch(e) {
				try {
					requestObj = new ActiveXObject("Microsoft.XMLHTTP");
				} catch(e1) {
					requestObj = null;
				}
			}
			if ( !requestObj && typeof requestObj != "undefined" ) {
				requestObj = new XMLHttpRequest();
			}
			
			return requestObj;
		}
	
		this.open = function ( requestMethod , destination , parameter , dataType , objDataProcessor ) {
			var retVal = "";
			var requestObj = this.getRequestObject();
			
			requestObj.onreadystatechange = function() {
				if ( requestObj.readyState == 4 ) {
					if ( requestObj.status == 200 ) {
						if ( dataType == "TEXT" ) {	
							objDataProcessor(requestObj.responseText);
						} else if ( dataType == "XML" ) {
							objDataProcessor(requestObj.responseXML);
						} else {
							alert("Response type error:"+dataType);
							return;
						}
					} else {
						//alert("数据传输中发生错误，请您重试刚才的操作！");
						return;
					}
				}
			}

			requestObj.open(requestMethod, destination, true);
			requestObj.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
			requestObj.send(parameter);
		}
	}