Bryan

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/******************************************************************************
SupeSite/X-Sapce - Ajax for SS/XS
Copyright 2001-2006 Comsenz Inc. (http://www.comsenz.com)
*******************************************************************************/

var xml_http_building_link = '请等待,正在建立连接...';
var xml_http_sending = '请等待,正在发送数据...';
var xml_http_loading = '请等待,正在接受数据...';
var xml_http_load_failed = '通信失败,请刷新重新尝试';
var xml_http_data_in_processed = '通信成功,数据正在处理中...';

function Ajax(statusId, recvType) {
var aj = new Object();
if(document.getElementById(statusId)) {
aj.statusId = document.getElementById(statusId);
} else {
var divElement = document.createElement("DIV");
divElement.className = "xspace-ajaxmsg";
divElement.style.position = "fixed";
divElement.style.right = "0";
divElement.style.top = "0";
divElement.style.background = "red";
divElement.style.color = "#FFF";
divElement.style.lineHeight = "2em";
divElement.style.padding = "0 20px";
divElement.id = statusId;
document.body.appendChild(divElement);
aj.statusId = divElement;
}

aj.targetUrl = '';
aj.sendString = '';
aj.recvType = recvType ? recvType : 'HTML';//HTML XML
aj.resultHandle = null;

aj.createXMLHttpRequest = function() {
var request = false;
if(window.XMLHttpRequest) {
request = new XMLHttpRequest();
if(request.overrideMimeType) {
request.overrideMimeType('text/xml');
}
} else if(window.ActiveXObject) {
var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0', 'Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0', 'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];
for(var i=0; i<versions.length; i++) {
try {
request = new ActiveXObject(versions[i]);
if(request) {
return request;
}
} catch(e) {
//alert(e.message);
}
}
}
return request;
}

aj.XMLHttpRequest = aj.createXMLHttpRequest();

aj.processHandle = function() {
aj.statusId.style.display = '';
if(aj.XMLHttpRequest.readyState == 1) {
aj.statusId.innerHTML = xml_http_building_link;
} else if(aj.XMLHttpRequest.readyState == 2) {
aj.statusId.innerHTML = xml_http_sending;
} else if(aj.XMLHttpRequest.readyState == 3) {
aj.statusId.innerHTML = xml_http_loading;
} else if(aj.XMLHttpRequest.readyState == 4) {
if(aj.XMLHttpRequest.status == 200) {
aj.statusId.style.display = 'none';
if(aj.recvType == 'HTML') {
aj.resultHandle(aj.XMLHttpRequest.responseText);
} else if(aj.recvType == 'XML') {
aj.resultHandle(aj.XMLHttpRequest.responseXML);
}
} else {
aj.statusId.innerHTML = xml_http_load_failed;
}
}
}

aj.get = function(targetUrl, resultHandle) {
aj.targetUrl = targetUrl;
aj.XMLHttpRequest.onreadystatechange = aj.processHandle;
aj.resultHandle = resultHandle;
if(window.XMLHttpRequest) {
aj.XMLHttpRequest.open('GET', aj.targetUrl);
aj.XMLHttpRequest.send(null);
} else {
aj.XMLHttpRequest.open("GET", targetUrl, true);
aj.XMLHttpRequest.send();
}
}

aj.post = function(targetUrl, sendString, resultHandle) {
aj.targetUrl = targetUrl;
aj.sendString = sendString;
aj.XMLHttpRequest.onreadystatechange = aj.processHandle;
aj.resultHandle = resultHandle;
aj.XMLHttpRequest.open('POST', targetUrl);
aj.XMLHttpRequest.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
aj.XMLHttpRequest.send(aj.sendString);
}
return aj;
}
posted on 2009-04-24 12:44 Life is no respector of any genius. 阅读(636) 评论(1)  编辑  收藏

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# re: Ajax Lib 2011-09-17 15:42 Life is no respector of any genius.
database design sample
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