AppBaseJs 类库 网上常用的javascript函数及其他js类库写的

/*----------------------------------- 
Web Application JavaScript Library 
2009.11 janchie 
------------------------------------*/ 

//String原生对象扩展 置空左右端空格 
String.prototype.trim = function(){ 
return this.replace(/(^[\s\n\t\r]*)|([\s\n\r\t]*$)/g, ""); 
}; 
//Date原生对象扩展 格式化输出 
Date.prototype.format = function (string) { 
var self = this; 
var p = function p(s) { 
return (s.toString().length == 1) ? "0"   s : s; 
}; 
return string ? string.replace(/dd?d?d?|MM?M?M?|yy?y?y?|hh?|HH?|mm?|ss?|tt?|zz?z?/g, 
function (string) { 
switch (string) { 
case "hh": return p(self.getHours()  0){ 
if(typeof attrValue === "undefined" || (attVal && attVal.test(attr))){ 
result.push(elems[i]); 
} 
} 
} 
return result; 
}, 
//取body元素 
$B: doc.body || docelem, 
//取Class属性元素集合 
$C:function(attrValue, tag, root){ 
return this.$A("className",attrValue, tag, root); 
}, 
//取浏览器窗体宽度 
getWinWidth: win.innerWidth || docelem.clientWidth || doc.body.clientWidth, 
//取浏览器窗体高度 
getWinHeight: win.innerHeight || docelem.clientHeight || doc.body.clientHeight, 
//取元素样式 
getStyle: function(elem,name){ 
if(elem.style[name]){ 
return elem.style[name]; 
}else if(elem.currentStyle){ 
return elem.currentStyle[name]; 
}else if(doc.defaultView && doc.defaultView.getComputedStyle){ 
name = name.replace(/([A-Z])/g,"-"); 
name = name.toLowerCase(); 
var s = doc.defaultView.getComputedStyle(elem,""); 
return s && s.getPropertyValue(name); 
}else{ 
return null; 
} 
}, 
//获取元素屏幕坐标值 
getPosition: function() { 
return docelem.getBoundingClientRect && function(o){ 
var pos = o.getBoundingClientRect(), root = o.ownerDocument || o.doc; 
return {left:pos.left root.documentElement.scrollLeft,top:pos.top root.documentElement.scrollTop}; 
} || function(o){ 
var x = 0, y = 0; 
do{x  = o.offsetLeft;y  = o.offsetTop;}while((o=o.offsetParent)); 
return {left:x,top:y}; 
}; 
}(), 
//设置透明度 
setOpacity: function (elem,num){ 
if(elem.filters){ 
elem.style.filter = "alpha(opacity=" num ")"; 
}else{ 
elem.style.opacity = num/100; 
} 
}, 
//隐藏或显示元素 
hide: function(elem){elem.style.display = "none";}, 
show: function(elem){elem.style.display = "block";}, 
toggle: function(elem){ 
elem.style.display = this.getStyle(elem,"display") === "none" ?"block":"none"; 
}, 
//元素Class属性操作 
addClass: function(elem, clsName) { 
if (elem.className === '') { 
elem.className = clsName; 
}else if (elem.className !== '' && (' '   elem.className   ' ').indexOf(' '   clsName   ' ') === -1) { 
elem.className = elem.className   ' '   clsName; 
} 
}, 
removeClass: function(elem, clsName) { 
if (clsName && (' '   elem.className   ' ').indexOf(' '   clsName   ' ') > -1) { 
elem.className = (' '   elem.className   ' ').replace(' '   clsName   ' ', ' ').replace(/^ | $/g,''); 
} 
}, 
//追加Html文本对象( 支持Table ) 
append: function(elem, text) { 
if (typeof text === "string") { 
if (elem.insertAdjacentHTML){ 
if (elem.tagName === "TABLE"){ 
var html = elem.outerHTML,ep = elem.parentNode,sl = html.length; 
text = html.substr(0,sl-8)   text   html.substr(sl-8,sl); 
ep.insertAdjacentHTML("beforeEnd", text); 
ep.replaceChild(ep.lastChild,elem); 
}else{ 
elem.insertAdjacentHTML("beforeEnd", text); 
} 
}else { 
var rlt = null, rg = doc.createRange(), fm = rg.createContextualFragment(text); 
rlt ? elem.insertBefore(fm, rlt) : elem.appendChild(fm); 
} 
}else if (typeof text === "object") elem.appendChild(text); 
}, 
//删除元素 
remove:function(elem){ 
if (elem.parentNode) elem.parentNode.removeChild(elem); 
}, 
//置空元素内容及子节点 
empty:function(elem){ 
while(elem.firstChild){ 
elem.removeChild(elem.firstChild); 
} 
}, 
//图像预加载 
loadimages: function(){ 
var a = arguments,loads = function(){ 
if(doc.images){ if(!doc.ps) doc.ps = []; 
var i,j=doc.ps.length; for(i=0; ix2) x=x2; 
obj.style.left = x   "px"; 
overEvent && overEvent(x); 
} 
function up(){ 
obj.releaseCapture && obj.releaseCapture(); 
docelem.onmousemove = null; 
docelem.onmouseup = null; 
upEvent && upEvent(x); 
} 
}, 
//绑定竖向滚动事件 
sliderY : function (obj,y1,y2,overEvent,upEvent){ 
var y, t , ut = this; 
obj.onmousedown = function (e){ 
e = e || win.event; 
ut.preventDefault(e); 
obj.setCapture && obj.setCapture(); 
t = ut.getXY(e).y - parseInt(obj.style.top); 
docelem.onmousemove = over; 
docelem.onmouseup = up; 
} 
function over(e){ 
e = e || win.event; 
y = ut.getXY(e).y - t; 
if(yy2) y=y2; 
obj.style.top = y   "px"; 
overEvent && overEvent(y); 
} 
function up(){ 
obj.releaseCapture && obj.releaseCapture(); 
docelem.onmousemove = null; 
docelem.onmouseup = null; 
upEvent && upEvent(y); 
} 
}, 
//设置cookie 
setCookie:function(n, v, t){ 
var exp = new Date(); 
exp.setTime(exp.getTime()   (t||24)*60*60*1000); 
doc.cookie = n   "="  escape(v)   ";expires="   exp.toGMTString() ';path=/'; 
}, 
//获取cookie 
getCookie:function(n){ 
var arr = doc.cookie.match(new RegExp("(^| )"  n  "=([^;]*)(;|$)")); 
if(arr != null) return unescape(arr[2]); 
return null; 
} 
}); 
})(document,window); 

//日期字符串格转日期 
App.parseDate = function(date){ 
var dt = date instanceof Date ? date: Date(date.replace("-","/")); 
return isNaN(dt.getTime()) ? null : dt ; 
}; 
//Json字符串转对象 
App.parseJSON = function(jsonString) { 
var result = false; 
try { 
result = eval('('   jsonString   ')'); 
}catch (e) {}; 
return result; 
}; 
//取不重复唯一值 
App.getUid = function(){ 
return "uid" (new Date()).getTime()  parseInt(Math.random()*100000); 
}; 
//获取指定范围的随机数 
App.random = function (n1, n2){ 
return Math.floor(Math.random()*(n2-n1 1))   n1; 
}; 
//秒转换为毫秒 
App.s2ms = function (str){ 
var t = str.split(":"); 
return t[0] * 60000   t[1] * 1000; 
}; 
//毫秒转换为秒 
App.ms2s = function (ms){ 
return (ms/60000 ":" ms/1000`).replace(/\.\d /g,"").replace(/(^|:)(\d)(?!\d)/g,""); 
}; 
//数字转换为编号 
App.num2number = function (num, n){ 
return Array(n).join("0").concat(num).slice(-n); 
}; 
//数字转化为中文 
App.num2gb = function (n){ 
return "零一二三四五六七八九".split("")[n]; 
}; 
//Flash生成代码 
App.getFlash = function (url, width, height, param){ 
var tagName = "", o1 = {width:width||1, height:height||1}, o2 = {}; 
if (this.isIE){ 
tagName = "object "; 
o1.classid = "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"; 
o1.codebase = "http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=10,0,0,0"; 
o2.movie = url; 
o2.quality = "high"; 
param && this.extend(o2, param); 
}else{ 
tagName = "embed "; 
o1.type = "application/x-shockwave-flash"; 
o1.pluginspage = "http://www.adobe.com/go/getflashplayer_cn"; 
o1.src = url; 
o1.quality = "high"; 
param && this.extend(o1, param); 
} 
if(o1.width'); 
return '' a2.join('') '' tagName '>'; 
}; 
//播放器生成代码 
App.getPlayer = function (url, width, height, param){ 
var wmp = ["6bf52a52-394a-11d3-b153-00c04f79faa6","application/x-mplayer2"]; 
var rmp = ["CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA","audio/x-pn-realaudio-plugin"]; 
var mp = /\.rm$/.test(url) ? rmp : wmp; 
var tagName = "", o1 = {width:width||1, height:height||1}, o2 = {}; 
if (this.isIE){ 
tagName = "object "; 
o1.classid = "clsid:" mp[0]; 
o2.url = url; 
param && this.extend(o2, param); 
}else{ 
tagName = "embed "; 
o1.type = mp[1]; 
o1.src = url; 
param && this.extend(o1, param); 
} 
if(o1.width'); 
return '' a2.join('') '' tagName '>'; 
}; 
//获取XMLHttp对象 
App.xmlhttp = function (){ 
if (this.isFF) return new XMLHttpRequest(); 
var a = ["Msxml2.XMLHTTP.3.0","Msxml2.XMLHTTP","Microsoft.XMLHTTP","Msxml2.XMLHTTP.4.0","Msxml2.XMLHTTP.5.0"]; 
for (var i=0,l=a.length;i