var HTTP =
{
TYPE_XML: 'XML',
TYPE_TEXT: 'TEXT',
getHTTP: function()
{
var xmlhttp = null;
if(window.XMLHttpRequest)
{
xmlhttp= new XMLHttpRequest();
}
else
{
xmlhttp= new ActiveXObject("Microsoft.XMLHTTP");
}
return xmlhttp;
},
send: function(method, url, callback, dataType)
{
var request= this.getHTTP();
var xml = this.TYPE_XML;
var text = this.TYPE_TEXT;
request.open(method, url, true);
request.onreadystatechange = function()
{
if(request.readyState ===4)
{
var response = null;
var status = request.status;
if(dataType === xml)
{
response = request.responseXML;
}
else if(dataType ===text)
{
response = request.responseText;
}
request = null;
if(status === 200)
{
callback(response);
}
else if(status === 400)
{
alert('올바르지 못한 요청');
}
else if(status === 403)
{
alert('보안문제로 인한 접근 불가');
}
else if (status === 404)
{
alert('페이지를 찾을수 없음');
}
else if(status === 500)
{
alert('서버 오류');
}
else
{
alert('해당 요청이 바르게 처리되지 않음.\nStatusCode: ' + status);
}
}
};
request.send();
},
get: function(url, callback, dataType)
{
this.send('get', url, callback, dataType);
},
post: function(url, callback, dataType)
{
this.send('post', url, callback, dataType);
},
getXML: function(url, callback)
{
this.send('get', url, callback, this.TYPE_XML);
},
postXML: function(url, callback, dataType, dataType)
{
this.send('post', url, callback, this.TYPE_XML);
},
getText: function(url, callback)
{
this.send('get', url, callback, this.TYPE_TEXT);
},
postText: function(url, callback, dataType, dataType)
{
this.send('post', url, callback, this.TYPE_TEXT);
}
};
12-3_XMLHttpRequestStatus.js
14-3_Filtering.html