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

Javascript
Javascript的匿名函数小结
js跟随滚动条滚动浮动代码
js监听表单value的修改同步问题,跨浏览器支持
JavaScript 模拟用户单击事件
javascript 获取表单file全路径
让IE8支持DOM 2(不用框架!)
javascript控制frame,iframe的src属性代码
JavaScript 井字棋人工智能实现代码
javascript showModalDialog模态对话框使用说明
JavaScript 学习笔记(四)
JavaScript 学习笔记(五)
JavaScript 学习笔记(六)
JavaScript 学习笔记(七)字符串的连接
js下用gb2312编码解码实现方法
javascript 面向对象技术基础教程
javascript eval和JSON之间的联系
JavaScript 数组循环引起的思考
url 特殊字符 传递参数解决方法
jQuery animate(滑块滑动效果代码)
用javascript做一个小游戏平台 (二) 游戏选择器

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: 306 ::
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")
}
}