当前位置: 首页 > 图文教程 > 网络编程 > Javascript > 摘自启点的main.js

Javascript
学习ExtJS(二) Button常用方法
学习ExtJS TextField常用方法
学习ExtJS Panel常用方法
学习ExtJS Window常用方法
学习ExtJS 访问容器对象
学习ExtJS border布局
学习ExtJS fit布局使用说明
学习ExtJS form布局
学习ExtJS accordion布局
学习ExtJS table布局
Javascript 日期处理之时区问题
JavaScript 监听textarea中按键事件
Javascript isArray 数组类型检测函数
JavaScript delete 属性的使用
防止动态加载JavaScript引起的内存泄漏问题
javascript Range对象跨浏览器常用操作
JavaScript 另类遍历数组实现代码
网页制作ajax特效实例
javascript修复浏览器中头痛问题
2008年关注基于JavaScript开发的产品

Javascript 中的 摘自启点的main.js


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-09-12   浏览: 437 ::
收藏到网摘: n/a

来自启点的js,主要包括字符串的trim,cookies设置等 String.prototype.trim = function()
{
return this.replace(/(^\s*)|(\s*$)/g, "");
}
String.prototype.len=function()
{
return this.replace(/[^\x00-\xff]/g,'aa').length;
}
function StringBuilder(value)
{
this.strings = new Array("");
this.append(value);
}
// Appends the given value to the end of this instance.
StringBuilder.prototype.append = function (value)
{
if (value)
{
this.strings.push(value);
}
}
// Clears the string buffer
StringBuilder.prototype.clear = function ()
{
this.strings.length = 1;
}
// Converts this instance to a String.
StringBuilder.prototype.toString = function ()
{
return this.strings.join("");
}
//string format prototype
// sample: var test="my name is {0} {2} " ;
// alert(test.format('liang','zhonghua');
if (!String._FORMAT_SEPARATOR){
String._FORMAT_SEPARATOR = String.fromCharCode(0x1f);
String._FORMAT_ARGS_PATTERN = new RegExp('^[^' + String._FORMAT_SEPARATOR + ']*'
+ new Array(100).join('(?:.([^' + String._FORMAT_SEPARATOR + ']*))?'));
}
if (!String.format)
{
String.format = function (s){
return Array.prototype.join.call(arguments, String._FORMAT_SEPARATOR).
replace(String._FORMAT_ARGS_PATTERN, s);
}
}
if (!''.format)
{
String.prototype.format = function (){
return (String._FORMAT_SEPARATOR +
Array.prototype.join.call(arguments, String._FORMAT_SEPARATOR)).
replace(String._FORMAT_ARGS_PATTERN, this);
}
}
//end string format
function checkLoginByCookie()
{
var cookieId="AUTHTEST";
if(window.location.href.toLowerCase().indexOf("qidian.com") > -1)
{
cookieId="cmfuToken";
}
if((GetCookie(cookieId)!=null && GetCookie(cookieId).length > 0 ))
{
return true;
}
else
{
if(GetCookie('cmfu_al') != null && GetCookie('cmfu_al').length > 0)
{
return true;
}
}
return false;
}
function getUrlParam(name)
{
var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)","i");
var r = window.location.search.substr(1).match(reg);
if (r!=null)
{
return unescape(r[2]);
}
else
{
return null;
}
}
function $(objName)
{
if(document.getElementById)
{
return document.getElementById(objName );
}
else if(document.layers)
{
return eval("document.layers['" + objName +"']");
}
else
{
return eval('document.all.' + objName);
}
}
function DateAdd(BaseDate, interval, DatePart)
{
var dateObj = new Date(BaseDate.replace("-",","));
var millisecond=1;
var second=millisecond*1000;
var minute=second*60;
var hour=minute*60;
var day=hour*24;
var year=day*365;
var newDate;
var dVal = new Date(dateObj)
var dVal=dVal.valueOf();
switch(DatePart)
{
case "ms": newDate=new Date(dVal+millisecond*interval); break;
case "s": newDate=new Date(dVal+second*interval); break;
case "mi": newDate=new Date(dVal+minute*interval); break;
case "h": newDate=new Date(dVal+hour*interval); break;
case "d": newDate=new Date(dVal+day*interval); break;
case "y": newDate=new Date(dVal+year*interval); break;
default: return escape("日期格式不对");
}
newDate = new Date(newDate);
return newDate.getFullYear() + "-" + (newDate.getMonth() + 1) + "-" + newDate.getDate() ;
}
//增加当前日期的天数
Date.prototype.AddDays=function (interval)
{
var dateObj = this;
var millisecond=1;
var second=millisecond*1000;
var minute=second*60;
var hour=minute*60;
var day=hour*24;
var year=day*365;
var newDate;
var dVal = new Date(dateObj)
var dVal=dVal.valueOf();
newDate=new Date(dVal+day*interval);
newDate = new Date(newDate);
return newDate
}
function SetCookie(name, value)
{
var argv = SetCookie.arguments;
var argc = SetCookie.arguments.length;
var expires = (argc > 2) ? argv[2].toGMTString() : (new Date()).AddDays(30).toGMTString();;
var path = (argc > 3) ? argv[3] : "/";
var domain = (argc > 4) ? argv[4] : null;
var secure = (argc > 5) ? argv[5] : false;

var content = name + "=" + escape(value) + ";";
if(expires != null)
{
content += " expires=" + expires + ";";
}
if(path != null)
{
content += " path=" + path + ";";
}
if(domain != null)
{
content += " domain=" + domain + ";";
}

document.cookie = content;

}
function GetCookie(cookieName)
{
var cookieString = document.cookie;
var start = cookieString.indexOf(cookieName + '=');

// 加上等号的原因是避免在某些 Cookie 的值里有
// 与 cookieName 一样的字符串。
if (start == -1) // 找不到
return null;
start += cookieName.length + 1;
var end = cookieString.indexOf(';', start);
if (end == -1) return unescape(cookieString.substring(start));
return unescape(cookieString.substring(start, end));
}

/*文本框得到焦点*/
function TextBoxOnFocus(txtControl,strDefaultText)
{
if (txtControl.value==strDefaultText)
txtControl.value="";
}
/*文本框失去焦点*/
function TextBoxOnBlur(txtControl,strDefaultText)
{
if (txtControl.value.replace(/(^[\s]*)|([\s]*$)/g,"")=="")
txtControl.value=strDefaultText;
}

/*功能:弹出群发消息窗口*/
function MultiSendWin(subject,content)
{
var win =window.open(uploadURL+"?subject=" + subject + "&content=" +content,"","menubar=no,width=480,height=550,resizeable=no","");
return false;
}

/*功能:弹出留言窗口
function SpaceSendMsg(toUserId)
{
var win =window.open(spaceSendMsgURL+"?toUserId=" + toUserId,"","menubar=no,width=500,height=400,resizeable=no","");
return false;
}
*/
function ShowServerMessage(result)
{
eval(result.value);
}
//回车提交表单
function KeydownSubmitForm(btnId)
{
var btn=document.getElementById(btnId);
if (btn!=null&& event.keyCode== 13)
{
event.returnValue=false;
event.keyCode=9;
btn.click();
}
}
//ReadChapter -抵用券js
function MDown(Object){
Obj=Object.id
document.all(Obj).setCapture()
pX=event.x-document.all(Obj).style.pixelLeft;
pY=event.y-document.all(Obj).style.pixelTop;
}
function MMove(){
if(Obj!=''){
document.all(Obj).style.left=event.x-pX;
document.all(Obj).style.top=event.y-pY;
}
}
function MUp(){
if(Obj!=''){
document.all(Obj).releaseCapture();
Obj='';
}
}
//关闭抵用券信息
function LayerClose(divDiscount){
document.getElementById(divDiscount).style.visibility="hidden";
}
//显示抵用券信息
function LayerShow(divDiscount,discountPrize){
var prizeUI = document.getElementById(divDiscount);
prizeUI.style.left = screen.width-530;
prizeUI.style.top = screen.Height - 480;
prizeUI.style.visibility="visible";
document.getElementById("lblPrize1").innerHTML=discountPrize;
document.getElementById("lblPrize2").innerHTML=discountPrize;
window.setInterval("LayerClose('" + divDiscount + "')",15000);
}
//帮助masterpage用
function HideMenu(menuid)
{
var obj = document.getElementById(menuid);
if(obj.style.display == "none")
{
obj.style.display = "";
}
else
{
obj.style.display = "none";
}
if(obj.style.display == "")
{
var tmpId = "M0";
for(var i = 1 ; i <= 9; i++)
{
var myid = tmpId + i;
if(myid != menuid)
{
document.getElementById(myid).style.display = "none";
}
}
}
}
/* div login */
function ShowLoginDiv()
{
var builder = new StringBuilder();
builder.append("<table border='0' cellpadding='0' cellspacing='0'>");
builder.append("<tr class='TitleTR'>");
builder.append("<td align='left'>");
builder.append("登录");
builder.append("</td>");
builder.append("<td align='right'>");
builder.append("<span title='关闭' onclick='HideLoginMask();'>×</span>");
builder.append("</td>");
builder.append("</tr>");
builder.append("<tr>");
builder.append("<td colspan='2'>");
builder.append("<iframe src='/DivUserLogin.aspx' width='225px' height='125px' name='loginFrame' ");//src=''
builder.append("id='loginFrame' frameborder='0' scrolling='no'></iframe>");
builder.append("</td>");
builder.append("</tr>");
builder.append("</table>");
//window.top.scrollTo(0,0);
document.getElementById("DivMask").style.height=document.body.scrollHeight;
document.getElementById("DivMask").style.width=document.body.scrollWidth;
document.getElementById("DivMask").style.display = 'block';
document.getElementById("DivLogin").style.display = "block";
document.getElementById("DivLogin").innerHTML = builder.toString();
ScrollDiv();
window.onscroll=ScrollDiv;
window.onresize=ScrollDiv;
window.onload=ScrollDiv;
}
function HideLoginMask()
{
document.getElementById("DivMask").style.display="none";
document.getElementById("DivLogin").style.display="none";
}
/*随屏幕滚动*/
function ScrollDiv()
{
if($("DivLogin"))
{
document.getElementById("DivLogin").style.top=(document.body.scrollTop+
(document.body.clientHeight-document.getElementById("DivLogin").offsetHeight)/2)+"px";
document.getElementById("DivLogin").style.left=(document.documentElement.scrollLeft+
(document.body.clientWidth-document.getElementById("DivLogin").offsetWidth)/2)+"px";
}
if($("AddMark"))
{
// if(!event )
// return;
$("AddMark").style.top=document.body.clientHeight + document.body.scrollTop-200
$("AddMark").style.left=document.body.clientWidth-56;
$("AddMark").style.display='';
// (document.body.clientHeight-$("AddMark").offsetHeight)/2)+"px";
if($("MonthVoteTip"))
{
//$("MonthVoteTip").style.top=document.body.scrollTop+document.body.clientHeight-$("MonthVoteTip").offsetHeight+"px";
$("MonthVoteTip").style.top = getPosition($("AddMark")).y - $("AddMark").offsetHeight + "px";
}
}
}
function AutoScroll()
{
window.onscroll=ScrollDiv;
window.onresize=ScrollDiv;
window.onload=ScrollDiv;
}
function getPosition(el)
{
for (var lx=0,ly=0;el!=null;lx+=el.offsetLeft,ly+=el.offsetTop,el=el.offsetParent);
return {x:lx,y:ly}
}
/* 2007-11-28 XuJian */
//截取字符串 包含中文处理
//(串,长度,增加...)
function subString(str, len, hasDot)
{
var newLength = 0;
var newStr = "";
var chineseRegex = /[^\x00-\xff]/g;
var singleChar = "";
var strLength = str.replace(chineseRegex,"**").length;
for(var i = 0;i < strLength;i++)
{
singleChar = str.charAt(i).toString();
if(singleChar.match(chineseRegex) != null)
{
newLength += 2;
}
else
{
newLength++;
}
if(newLength > len)
{
break;
}
newStr += singleChar;
}
if(hasDot && strLength > len)
{
newStr += "...";
}
return newStr;
}
/* 2007-10-26 14:20 Get String Lenth(include chinese character) */
function GetStringLength(strObj)
{
return strObj.replace(/[^\x00-\xff]/g,"**").length;
}
function addMark(title,url) {
try{
if (window.sidebar) {
window.sidebar.addPanel(title, url,"");
} else if( document.all ) {
window.external.AddFavorite( url, title);
} else if( window.opera && window.print ) {
return true;
}
}catch(e)
{
alert("您的浏览器安全设置不允许该项操作")
}
}