ajax.js

PHP圈子程序v2.1功能介绍： 1、允许注册会员创建圈子

var http_request = false;
function get_request() {//初始化、指定处理函数、发送请求的函数
	http_request = false;
	//开始初始化XMLHttpRequest对象
	if(window.XMLHttpRequest) { //Mozilla 浏览器
		http_request = new XMLHttpRequest();
		if(http_request.overrideMimeType) {//设置MiME类别
			http_request.overrideMimeType('text/xml');
		}
	}
	else if (window.ActiveXObject) { // IE浏览器
		try {
			http_request = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				http_request = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {}
		}
	}
	if(!http_request) { // 异常，创建对象实例失败
		window.alert("不能创建XMLHttpRequest对象实例.");
		return false;
	}
	else{
		return http_request;
	}
}

function selectRequests(xmlHttp,reqURL,showContent) {
	xmlHttp.open('GET',reqURL,'true');
	xmlHttp.onreadystatechange = function handleStateChange(){
		if(xmlHttp.readyState == 2) {
			document.getElementById(showContent).innerHTML = "正在载入......";
		}
		if(xmlHttp.readyState == 4) {
			if(xmlHttp.status == 200) {
				var outStringArray = xmlHttp.responseText.split(";");
				var select_root=document.getElementById(showContent);
				select_root.options.length=0;
				
				var option=new Option("--请选择--","");
				select_root.add(option);
				for(var i=0;i<outStringArray.length-1;i++)
				{
					if(outStringArray[i]!=""){
						var tmp=outStringArray[i].split(",");
						var option=new Option(tmp[1],tmp[0]);
						try{
							select_root.add(option);
						}catch(e){}
					}
				}
			}
		}
	};
	xmlHttp.send(null);
}

function startRequest(xmlHttp,reqURL,showContent) {
	xmlHttp.open('GET',reqURL,'true');
	xmlHttp.onreadystatechange = function handleStateChange(){
		if(xmlHttp.readyState == 2) {
			document.getElementById(showContent).innerHTML = "正在载入......";
		}
		if(xmlHttp.readyState == 4) {
			if(xmlHttp.status == 200) {
				var allcon =  Bin2Str(xmlHttp.responseBody);
				document.getElementById(showContent).innerHTML = allcon;
			}
		}
	};
	xmlHttp.send(null);
}
function show(c_Str){
	if(document.all(c_Str).style.display=='none'){
		document.all(c_Str).style.display='block'
	}else{
		document.all(c_Str).style.display='none'
	}
}
function Bin2Str(Binary){
	try{
		var axRs = new ActiveXObject('ADODB.RecordSet');
		axRs.Fields.Append('Binary2String',201,1);
		axRs.open();
		axRs.addNew();
		axRs(0).appendChunk(Binary);
		axRs.update();
		var Result = axRs(0).value;
		axRs.Close();
		return Result;
	}catch(e){
		return null;
	}
}