📄 core.ashx

📁 交流采样的滤波资料和一些参考程序
💻 ASHX
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// Extend prototypes

if(!Array.prototype.push) {
	Array.prototype.push = function(o) {
		this[this.length] = o;
	}
}

Function.prototype.bind = function(o) {
	if(!window.__objs) {
		window.__objs = [];
		window.__funcs = [];
	}

	var objId = o.__oid;
	if(!objId)
		__objs[objId = o.__oid = __objs.length] = o;

	var me = this;
	var funcId = me.__fid;
	if(!funcId)
		__funcs[funcId = me.__fid = __funcs.length] = me;

	if(!o.__closures)
		o.__closures = [];

	var closure = o.__closures[funcId];
	if(closure)
		return closure;

	o = null;
	me = null;

	return __objs[objId].__closures[funcId] = function() {
		return __funcs[funcId].apply(__objs[objId], arguments);
	};
}

Object.extend = function(destination, source) {
	for(property in source) {
		destination[property] = source[property];
	}
	return destination;
}

Object.prototype.extend = function(o) {
	return Object.extend.apply(this, [this, o]);
}

var Class = {
	create: function() {
		return function() {
			if(typeof this.initialize == "function")
				this.initialize.apply(this, arguments);
		}
	}
}

if(!window.addNamespace) {
	window.addNamespace = function(ns) {
		var nsParts = ns.split(".");
		var root = window;

		for(var i=0; i<nsParts.length; i++) {
			if(typeof root[nsParts[i]] == "undefined")
				root[nsParts[i]] = {};
			root = root[nsParts[i]];
		}
	}
}

var IFrameXmlHttp = function() {
}

IFrameXmlHttp.prototype = {
	onreadystatechange: null,
	headers: [],
	method: "POST",
	url: null,
	async: true,
	iframe: null,
	status: 0,
	readyState: 0,
	responseText: null,
	abort: function() {
	},
	readystatechanged: function() {
		var doc = this.iframe.contentDocument || this.iframe.document;
		if(doc.readyState == "complete")
		{
			this.status = 200;
			this.readyState = 4;
			this.responseText = doc.body.res;
			
			this.onreadystatechange();
			return;
		}
		
		setTimeout(this.readystatechanged.bind(this), 100);
	},
	open: function(method, url, async) {
		if(async == false) {
			alert("Synchronous call using IFrameXMLHttp is not supported.");
			return;
		}
		
		if(this.iframe == null) {
			var iframeID = "hans";
			if (document.createElement && document.documentElement &&
				(window.opera || navigator.userAgent.indexOf('MSIE 5.0') == -1))
			{
				var ifr = document.createElement('iframe');
				ifr.setAttribute('id', iframeID);
				ifr.style.visibility = 'hidden';
				ifr.style.position = 'absolute';
				ifr.style.width = ifr.style.height = ifr.borderWidth = '0px';

				this.iframe = document.getElementsByTagName('body')[0].appendChild(ifr);

				ifr = null;
			}
			else if (document.body && document.body.insertAdjacentHTML)
			{
				document.body.insertAdjacentHTML('beforeEnd', '<iframe name="' + iframeID + '" id="' + iframeID + '" style="border:1px solid black;xdisplay:none"></iframe>');
			}
			if (window.frames && window.frames[iframeID]) this.iframe = window.frames[iframeID];

			this.iframe.name = iframeID;

			this.iframe.document.open();
			this.iframe.document.write("<html><body></body></html>");
			this.iframe.document.close();
		}

		this.method = method;
		this.url = url;
		this.async = async;
	},
	setRequestHeader: function(name, value) {
		for(var i=0; i<this.headers.length; i++) {
			if(this.headers[i].name == name) {
				this.headers[i].value = value;
				return;
			}
		}
		this.headers.push({"name":name,"value":value});
	},
	addInput: function(doc, form, name, value) {
		var ele;

		var tag = "input";
		if(value.indexOf("\n") >= 0) tag = "textarea";
		
		if(doc.all) {
			ele = doc.createElement("<" + tag + " name=\"" + name + "\" />");
		}else{
			ele = doc.createElement(tag);
			ele.setAttribute("name", name);
		}
  
		ele.setAttribute("value", value);
		form.appendChild(ele);
		ele = null;
	},
	send: function(data) {
		if(this.iframe == null) {
			// alert("Connection must be opened before sending data.");
			return;
		}
	
		var doc = this.iframe.contentDocument || this.iframe.document;
		var form = doc.createElement("form");
		
		doc.body.appendChild(form);
		
		form.setAttribute("action", this.url);
		form.setAttribute("method", this.method);
		
		for(var i=0; i<this.headers.length; i++) {

			switch(this.headers[i].name.toLowerCase()) {
				case "content-length":
				case "accept-encoding":
					break;

				case "content-type":
					form.setAttribute("enctype", this.headers[i].value);
					break;
					
				default:
					this.addInput(doc, form, this.headers[i].name, this.headers[i].value);
			}
		}

		this.addInput(doc, form, "data", data);

		form.submit();
		
		setTimeout(this.readystatechanged.bind(this), 1);
	}
};

var lastclsid = null;
if(!window.XMLHttpRequest) {

	function getXmlHttp(clsid) {
		var xmlHttp = null;
		try {
			xmlHttp = new ActiveXObject(clsid);
			lastclsid = clsid;
			return xmlHttp;
		} catch(ex) {}
	}
	
	window.XMLHttpRequest = function() {
		if(lastclsid != null) {
			return getXmlHttp(lastclsid);
		}
	
		var xmlHttp = null;
		var clsids = ["Msxml2.XMLHTTP.6.0","Msxml2.XMLHTTP.5.0","Msxml2.XMLHTTP.4.0","Msxml2.XMLHTTP.3.0","Msxml2.XMLHTTP.2.6","Microsoft.XMLHTTP.1.0","Microsoft.XMLHTTP.1","Microsoft.XMLHTTP"];

		for(var i=0; i<clsids.length && xmlHttp == null; i++) {
			xmlHttp = getXmlHttp(clsids[i]);
		}
		
		if(xmlHttp == null) {
			return new IFrameXmlHttp();
		}

		return xmlHttp;
	}
}

// Event handling methods

function addEvent(o, evType, f, capture) {
	if(o.addEventListener) {
		o.addEventListener(evType, f, capture);
		return true;
	} else if (o.attachEvent) {
		var r = o.attachEvent("on" + evType, f);
		return r;
	} else {
		// alert("Handler could not be attached");
	}
} 

function removeEvent(o, evType, f, capture) {
	if(o.removeEventListener) {
		o.removeEventListener(evType, f, capture);
		return true;
	} else if (o.detachEvent) {
		var r = o.detachEvent("on" + evType, f);
		return r;
	} else {
		// alert("Handler could not be removed");
	}
}

// Browser related properties

addNamespace("MS.Browser");

MS.Browser.isIE = (window.navigator.appName.toLowerCase().indexOf('explorer') != -1 || window.navigator.appName.toLowerCase().indexOf('msie') != -1 );


// Debugging

addNamespace("MS.Debug");

MS.Debug.enabled = false;
MS.Debug.trace = function(s){}


// AJAX.NET

addNamespace("AjaxPro");

AjaxPro.noOperation = function() {}
AjaxPro.cryptProvider = null;
AjaxPro.token = "";
AjaxPro.version = "5.11.4.2";

AjaxPro.typeOf = function(o) {
	if(o != null && o.__type) {
		var ts = this.__type.split(',');

		if(ts.length > 0)
			return ts[0];
		else
			return typeof o;

    } else {
        return typeof o;
    }
}
AjaxPro.getInstance = function(className, o) {
	if(o == null) o = window;
	var c = className.split(".");	
	if(c.length > 1)
		return AjaxPro.getInstance(className.substr(className.indexOf(".") +1), o[c[0]]);
	return o[className];
}

AjaxPro.toJSON = function(o) {

	if(o == null)
		return "null";

	switch(o.constructor) {
		
		case String:
			var s = o; // .encodeURI();
			s = '"' + s.replace(/(["\\])/g, '\\$1') + '"';
			s = s.replace(/\n/g,"\\n");
			s = s.replace(/\r/g,"\\r");
			return s;
		
		case Array:
			var v = [];
			for(var i=0; i<o.length; i++)
				v.push(AjaxPro.toJSON(o[i])) ;
			return "[" + v.join(", ") + "]";
		
		case Number:
			return isFinite(o) ? o.toString() : AjaxPro.toJSON(null);
	
		case Boolean:
			return o.toString();
			
		case Date:
			var d = new Object();
			d.__type = "System.DateTime";
			d.Year = o.getUTCFullYear();
			d.Month = o.getUTCMonth() +1;
			d.Day = o.getUTCDate();
			d.Hour = o.getUTCHours();
			d.Minute = o.getUTCMinutes();
			d.Second = o.getUTCSeconds();
			d.Millisecond = o.getUTCMilliseconds();
			d.TimezoneOffset = o.getTimezoneOffset();
			return AjaxPro.toJSON(d);
	
		default:
			if(o["toJSON"] != null && typeof o["toJSON"] == "function")
				return o.toJSON();
				
			if(typeof o == "object") {
				var v=[];
				
				for(attr in o) {
					if(typeof o[attr] != "function")
						v.push('"' + attr + '": ' + AjaxPro.toJSON(o[attr]));
				}

				if(v.length>0)
					return "{" + v.join(", ") + "}";
				else
					return "{}";		
			}
			return o.toString();
	}
}

AjaxPro.Base = function() {};

AjaxPro.Request = Class.create();
AjaxPro.Request.prototype = (new AjaxPro.Base()).extend({
	doStateChange: function() {
		if(this.onStateChanged != null && typeof this.onStateChanged == "function")
			try{ this.onStateChanged(this.xmlHttp.readyState); }catch(e){}
			
		if(this.xmlHttp.readyState != 4)
			return;
			
		if(this.xmlHttp.status == 200) {
			if(this.timeoutTimer != null) clearTimeout(this.timeoutTimer);
			if(typeof this.onLoading == "function") this.onLoading(false);
			
			this.xmlHttp.onreadystatechange = AjaxPro.noOperation;
			
			this.callback(this.createResponse());
			this.callback = null;

			this.xmlHttp.abort();
		}
	},
	initialize: function(url) {
		this.url = url;
		this.xmlHttp = new XMLHttpRequest();
		this.callback = null;
		
		this.onLoading = null;
		this.onError = null;
		this.onTimeout = null;
		this.onStateChanged = null;
		
		this.timeoutPeriod = 5000;	// 5 seconds
	},
	createResponse: function() {
		var r = new Object();
		r.error = null;
		r.value = null;
		
		var responseText = new String(this.xmlHttp.responseText);

		if(AjaxPro.cryptProvider != null && typeof AjaxPro.cryptProvider == "function")
			responseText = AjaxPro.cryptProvider.decrypt(responseText);

		eval("r.value = " + responseText + ";");
		
		if(r.error != null && this.onError != null && typeof this.onError == "function")
			try{ this.onError(r.error); }catch(e){}

		responseText = null;

		return r;
	},
	timeout: function() {
		this.xmlHttp.abort();
		try{ this.onTimeout(); }catch(e){}
	},
	invoke: function(method, data, callback) {
		var async = typeof callback == "function" && callback != AjaxPro.noOperation;
		var json = AjaxPro.toJSON(data) + "\r\n";

		if(AjaxPro.cryptProvider != null)
			json = AjaxPro.cryptProvider.encrypt(json);

		this.callback = callback;

		if(async) {
			this.xmlHttp.onreadystatechange = this.doStateChange.bind(this);
			if(typeof this.onLoading == "function") this.onLoading(true);
		}
			
		this.xmlHttp.open("POST", this.url, async);
		this.xmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
		this.xmlHttp.setRequestHeader("Content-Length", json.length);
		this.xmlHttp.setRequestHeader("Ajax-method", method);
		
		if(AjaxPro.token != null && AjaxPro.token.length > 0)
			this.xmlHttp.setRequestHeader("Ajax-token", AjaxPro.token);

		if(MS.Browser.isIE)
			this.xmlHttp.setRequestHeader("Accept-Encoding", "gzip, deflate");
		else
			this.xmlHttp.setRequestHeader("Connection", "close");		// Mozilla Bug #246651

		if(this.onTimeout != null && typeof this.onTimeout == "function")
			this.timeoutTimer = setTimeout(this.timeout.bind(this), this.timeoutPeriod);

		this.xmlHttp.send(json);
		
		json = null;
		data = null;
		delete json;
		delete data;
		
		if(!async) {
			return this.createResponse();
		}
		
		return true;	
	}
});


addNamespace("Ajax.Web");

Ajax.Web.NameValueCollection = function()
{
	this.__type = "System.Collections.Specialized.NameValueCollection";

	this.add = function(key, value) {
		if(this[key] == null) {
			this[key] = value;
		}
	}
	
	this.getKeys = function() {
		var keys = [];
		
		for(key in this)
			if(typeof this[key] != "function")
				keys.push(key);
			
		return keys;
	}
	
	this.getValue = function(key) {
		return this[key];
	}
	
	this.toJSON = function() {
		var o = this;
		o.toJSON = null;
		delete o.toJSON;
		return AjaxPro.toJSON(o);
	}
}




addNamespace("Ajax.Web");

Ajax.Web.DataTable = function(columns, rows) {

	this.__type = "System.Data.DataTable, System.Data";
	this.Columns = new Array();
	this.Rows = new Array();

	this.addColumn = function(name, type) {
		var c = new Object();
		c.Name = name;
		c.__type = type;
		
		this.Columns.push(c);
	}

	this.toJSON = function() {
		var dt = new Object();

		dt.Columns = [];
		for(var i=0; i<this.Columns.length; i++)
			dt.Columns.push([this.Columns[i].Name, this.Columns[i].__type]);

		dt.Rows = [];
		for(var i=0; i<this.Rows.length; i++) {
			var row = [];
			for(var j=0; j<this.Columns.length; j++)
				row.push(this.Rows[i][this.Columns[j].Name]);
			dt.Rows.push(row);
		}

		return AjaxPro.toJSON(dt);
	}

	this.addRow = function(row) {
		this.Rows.push(row);
	}

	if(columns != null) {
		for(var i=0; i<columns.length; i++) {
			this.addColumn(columns[i][0], columns[i][1]);
		}
	}

	if(rows != null) {
		for(var i=0; i<rows.length; i++) {
			var row = new Object();
			for(var c=0; c<this.Columns.length && c<rows[i].length; c++) {
				row[this.Columns[c].Name] = rows[i][c];
			}
			this.addRow(row);
		}
	}
}


addNamespace("Ajax.Web");

Ajax.Web.DataSet = function(tables) {
	this.__type = "System.Data.DataSet, System.Data";
	this.Tables = new Array();

	this.addTable = function(table) {
		this.Tables.push(table);
	}

	if(tables != null) {
		for(var i=0; i<tables.length; i++) {
			this.addTable(tables[i]);
		}
	}
}
💿 文件大小 254 K
👤 上传用户 shkk21
📂 所属分类单片机开发
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#交流采样 #滤波 #参考程序
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