/**
@ Name : Kingwell Javascript Library
@ Author :kingwell
@ Date : 2012-8-22
@ Email : jinhua.leng##gmail.com
@ Version : 1.2
@ Update : http://kingwell-leng.iteye.com/blog/1570768
功能：
1: $ID选择
2： 事件绑定，事件移除，获取事件目标
3： 阻止冒泡，阻止默认事件
4： 显示隐藏
5： 去除HTML
6： 去除首尾空格
7： 获取URL参数
8： Cookie操作，设置，删除，获取
9： 清除所有Cookie
10：表格排序
11: 动态转入Javascript
12: 封装Ajax
13：将HTML编码
调用方法：
KW.x();
*/
(function () {
if (!window.KW) {
window.KW = {};
};
window.KW = {
version : "1.2",
$ : function () { //$()函数
var elements = new Array();
for (var i = 0; i <= arguments.length; i++) {
var element = arguments[i];
//如果是一个字符串那假设它是一个ID
if (typeof element == 'string') {
element = document.getElementById(element);
}
//如果只提供了一个参数,则立即返回这个参数
if (arguments.length == 1) {
return element;
}
//否则，将它添加到数组中
elements.push(element);
}
return elements;
},
/*-------------------- 事件处理 --------------------*/
addEvent : function (oTarget, oType, fnHandler) { //-----添加事件;
var oT = typeof oTarget == "string" ? this.$(oTarget) : oTarget;
if (!oT) {
alert('Not found \" ' + oTarget + ' \"');
return false
};
if (oT.addEventListener) { //for DOM
oT.addEventListener(oType, fnHandler, false);
} else if (oT.attachEvent) { //for IE
oT.attachEvent('on' + oType, fnHandler);
} else { //for Others
oT['on' + oType] = fnHandler;
}
},
removeEvent : function (oTarget, oType, fnHandler) { //-----移除事件;
var oT = this.$(oTarget);
if (!oT) {
alert('Not found \" ' + oTarget + ' \"');
return false
};
if (oT.removeEventListener) { //for DOM
oT.removeEventListener(oType, fnHandler, false);
} else if (oT.detachEvent) { //for IE
oT.detachEvent('on' + oType, fnHandler);
} else { //for Others
oT['on' + oType] = null;
}
},
getEvent : function (ev) { //-----获得事件-----
return ev || window.event;
},
getTarget : function (ev) { //-----获取目标----
return this.getEvent(ev).target || this.getEvent().srcElement;
},
stopPropagation : function () { //-----阻止冒泡-----
if (window.event) {
return this.getEvent().cancelBubble = true;
} else {
return arguments.callee.caller.arguments[0].stopPropagation();
}
},
stopDefault : function () { //-----阻止默认行为
if (window.event) {
return this.getEvent().returnValue = false;
} else {
return arguments.callee.caller.arguments[0].preventDefault();
}
},
/*-------------------- 常用函数 --------------------*/
toggleDisplay : function (id) { //-----显示，隐藏-----
var oTarget = this.$(id);
if (!oTarget) {
return false;
}
oTarget.style.display == 'none' ? oTarget.style.display = 'block' : oTarget.style.display = 'none';
},
stripHTML : function (agr) { //-----移除HTML-----
var reTag = /<(?:.|\s)*?>/g;
return agr.replace(reTag, '')
},
stripSpace : function (oTarget) { //-----移除空格-----
var re = /^\s*(.*?)\s*$/;
return oTarget.replace(re, '$1');
},
isEmail : function (e) { //-----Is E-mail
var re = /^[a-zA-z_][a-zA-Z_0-9]*?@\w{1,}.\[a-zA-Z]{1,}/;
return re.test(e);
},
/*-------------------- Cookie操作 --------------------*/
setCookie : function (sName, sValue, oExpires, sPath, sDomain, bSecure) { //-----设置Cookie-----
var sCookie = sName + '=' + encodeURIComponent(sValue);
if (oExpires) {
var date = new Date();
date.setTime(date.getTime() + oExpires * 60 * 60 * 1000);
sCookie += '; expires=' + date.toUTCString();
}
if (sPath) {
sCookie += '; path=' + sPath;
}
if (sDomain) {
sCookie += '; domain=' + sDomain;
}
if (bSecure) {
sCookie += '; secure';
}
document.cookie = sCookie;
},
getCookie : function (sName) { //-----获得Cookie值-----
var sRE = '(?:; )?' + sName + '=([^;]*)';
var oRE = new RegExp(sRE);
if (oRE.test(document.cookie)) {
return decodeURIComponent(RegExp['$1']);
} else {
return null;
}
},
deleteCookie : function (sName, sPath, sDomain) { //-----删除Cookie值-----
this.setCookie(sName, '', new Date(0), sPath, sDomain);
},
clearCookie : function () { //清除所有Cookie
var cookies = document.cookie.split(";");
var len = cookies.length;
for (var i = 0; i < len; i++) {
var cookie = cookies[i];
var eqPos = cookie.indexOf("=");
var name = eqPos > -1 ? cookie.substr(0, eqPos) : cookie;
name = name.replace(/^\s*|\s*$/, "");
document.cookie = name + "=;expires=Thu, 01 Jan 1970 00:00:00 GMT; path=/"
}
},
convert : function (sValue, sDataType) { //类型转，根据不同类型数据排序，比如，整型，日期，浮点，字符串，接受两个参数，一个是值，一个是排序的数据类型
switch (sDataType) {
case "int":
return parseInt(sValue);
case "float":
return parseFloat(sValue);
case "date":
return new Date(Date.parse(sValue));
default:
return sValue.toString();
}
},
geterateCompareTRs : function (iCol, sDataType) { //比较函数，用于sort排序用
return function compareTRs(oTR1, oTR2) {
var vValue1,
vValue2;
if (oTR1.cells[iCol].getAttribute("value")) { //用于高级排序，比如图片，添加一个额外的属性来排序
vValue1 = KW.convert(oTR1.cells[iCol].getAttribute("value"), sDataType);
vValue2 = KW.convert(oTR2.cells[iCol].getAttribute("value"), sDataType);
} else {
vValue1 = KW.convert(oTR1.cells[iCol].firstChild.nodeValue, sDataType);
vValue2 = KW.convert(oTR2.cells[iCol].firstChild.nodeValue, sDataType);
}
if (vValue1 < vValue2) {
return -1;
} else if (vValue1 > vValue2) {
return 1;
} else {
return 0;
}
}
},
tabSort : function (sTableID, iCol, sDataType) { //排序函数，sTableID为目标,iCol哪列排序，为必需，sDataType可选
var oTable = document.getElementById(sTableID);
var oTBody = oTable.tBodies[0];
var colDataRows = oTBody.rows;
var aTRs = [];
var len = colDataRows.length;
for (var i = 0; i < len; i++) {
aTRs[i] = colDataRows[i];
};
if (oTable.sortCol == iCol) { //如果已经排序，则倒序
aTRs.reverse();
} else {
aTRs.sort(this.geterateCompareTRs(iCol, sDataType));
}
var oFragment = document.createDocumentFragment();
var trlen = aTRs.length;
for (var j = 0; j < trlen; j++) {
oFragment.appendChild(aTRs[j]);
};
oTBody.appendChild(oFragment);
oTable.sortCol = iCol; //设置一个状态
},
GetQueryString : function (name) {
var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i");
var r = window.location.search.substr(1).match(reg);
if (r != null)
return unescape(r[2]);
return null;
},
HTMLEscape : function (str) {
var s = "";
if (str.length == 0) {
return "";
}
s = str.replace(/&/g, "&");
s = s.replace(/</g, "<");
s = s.replace(/>/g, ">");
s = s.replace(/ /g, " ");
s = s.replace(/\'/g, "'");
s = s.replace(/\"/g, """);
return s;
},
loadJS : function (url) {
var statu = true; //初始状态
var js = document.getElementsByTagName("script");
var len = js.length;
for (var i = 0; i < len; i++) {
if (js[i].getAttribute("src") == url) {
statu = false; //如果已经添加，则设置为Flase，不再添加
}
}
if (statu) {
var script = document.createElement("script");
script.type = "text/javascript";
script.src = url;
var header = document.getElementsByTagName("head")[0];
header.appendChild(script);
}
},
ajax : function (obj) {
if (!obj.url) {
return false;
};
var method = obj.type || "GET";
var async = obj.async || true;
var dataType = obj.dataType;
var XHR = window.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject("Microsoft.XMLHTTP");
XHR.open(method, obj.url, async);
XHR.setRequestHeader('If-Modified-Since', 'Thu, 06 Apr 2006 00:00: 00 GMT');
XHR.send(null);
if (obj.sendBefore) {
obj.sendBefore();
};
XHR.onreadystatechange = function () {
if (XHR.readyState == 4 && (XHR.status >= 200 && XHR.status < 300 || XHR.status == 304)) {
if (obj.success) {
if (dataType && dataType.toLocaleLowerCase() === "json") {
obj.success(eval("(" + XHR.responseText + ")"))
} else if (dataType && dataType.toLocaleLowerCase() === "xml") {
obj.success(XHR.responseXML)
} else {
obj.success(XHR.responseText);
}
};
if (obj.complete) {
obj.complete()
}
} else {
if (obj.complete) {
obj.complete()
}
if (obj.error) {
obj.error("The XMLHttpRequest failed. status: " + XHR.status);
}
}
}
}
};
})();
