当前位置: 首页 > 图文教程 > 网络编程 > Javascript > 网上应用的一个不错common.js脚本

Javascript
javascript比较文档位置
关于document.cookie的使用javascript
js让一行页脚保持在底部
多浏览器兼容的右下角广告代码(已测)
javascript onkeydown实现键盘快捷键控制页面
javascript的键盘控制事件说明
不懂JavaScript应该怎样学
用javascript实现截取字符串包含中文处理的函数
摘自启点的main.js
js tab效果代码增强版
慢慢展开再慢慢收起的javascript广告效果
javascript String 对象
JS查看对象功能代码
javascript点击才出现验证码
js实现双击单元格变成文本输入框效果代码
js通用滑动门类
js动画效果打开层 关闭层
js插入字符到textarea的效果代码
javascript 获取网页标题
js调用flash的效果代码

Javascript 中的 网上应用的一个不错common.js脚本


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-10-12   浏览: 327 ::
收藏到网摘: n/a

var iconwar = "<img src=\/AliImages\/icon_war.gif align=absmiddle \/> ";
var iconload = "<img src=\/AliImages\/ajaxload.gif align=absmiddle \/> ";
var badstr = "!&^#|%$)(-+/?<>@`~';:{}[],=\".\\";
var badsql = "!&^|+/?<>`~'=";
var $show = function (e) {try{document.getElementById(e).style.display="";} catch(e) {} };
var $hide = function (e) {try{document.getElementById(e).style.display="none";} catch(e) {} };
var $W = document.write;
var reurl,js_UserName;
reurl = document.referrer;
if (reurl=="")
{
reurl = "/index.html";
}
function onDisplay(id) {
if (document.getElementById(id).style.display == 'none') {
$show(id);
}
else {
$hide(id);
}
}
function onLabelTxt(id,LabelID,ShowTxt,HideTxt) {
if (document.getElementById(id).style.display == 'none') {
$show(id);
document.getElementById(LabelID).value = HideTxt;
}
else {
$hide(id);
document.getElementById(LabelID).value = ShowTxt;
}
}
function listdisp(tid,lid) {
if (document.getElementById(tid).style.display == 'none') {
$show(tid);
}
else {
$hide(tid);
}
if (lid == 't1') {
return 't1_off';
}
else if (lid == 't2') {
return 't2_off';
}
else if (lid == 't1_off') {
return 't1';
}
else if (lid == 't2_off') {
return 't2';
}
}
function trim(str) {
return (str + '').replace(/(\s+)$/g, '').replace(/^\s+/g, '');
}
function addbookmark(url, site){
if(is_ie) {
window.external.addFavorite(url, site);
} else {
alert('Please press "Ctrl+D" to add bookmark');
}
}
//AJAX_START
var xmlhttp=null;
function createxmlhttp(){
try {
xmlhttp=new ActiveXObject("Msxml2.xmlhttp") ;
}
catch(e) {
try {
xmlhttp=new ActiveXObject("Microsoft.xmlhttp") ;
}
catch(oc) {
xmlhttp=null ;
}
}
if ( !xmlhttp && typeof XMLHttpRequest != "undefined" ) {
xmlhttp = new XMLHttpRequest();
}
if (!xmlhttp) {
alert("您的浏览器不支AJAX特性,本页某些功能将无法正常使用!");
}
}

//js操作cookies函数 *********************
function delcookie(name){
setcookie(name, "");
}
function getcookie(name) {
var cookie_start = document.cookie.indexOf(name);
var cookie_end = document.cookie.indexOf(";", cookie_start);
return cookie_start == -1 ? '' : unescape(document.cookie.substring(cookie_start + name.length + 1, (cookie_end > cookie_start ? cookie_end : document.cookie.length)));
}
function setcookie(cookieName, cookieValue, seconds) {
var expires = new Date();
var path = "/";
var domain = "alixixi.com";
var secure = "";
expires.setTime(expires.getTime() + seconds);
document.cookie = escape(cookieName) + '=' + escape(cookieValue)
+ (expires ? '; expires=' + expires.toGMTString() : '')
+ (path ? '; path=' + path : '/')
+ (domain ? '; domain=' + domain : '')
+ (secure ? '; secure' : '');
}
//GetQueryString ***********************
var LocString=String(window.document.location.href);
function GetQueryString(str){
var rs=new RegExp("(^|)"+str+"=([^\&]*)(\&|$)","gi").exec(LocString),tmp;
if(tmp=rs)return tmp[2];
return " ";
}
//VScroll 显示上翻单条标题************************
function _ge(a) {return document.getElementById?document.getElementById(a):null;}
function VScroll() {
var m_box = null;
var m_lineHeight = 0;
var m_lineNum = 0;
var m_splitStr = '';
var m_speed = 0;
var m_delay = 0;
var m_pos = 0;
var m_stopTimes = 0;
var m_stop = false;
this.init = function(box,lnum,lheight,speed,delay,split) {
m_box = _ge(box);
m_lineNum = lnum;
m_lineHeight = lheight;
m_speed = speed;
m_delay = delay;
m_splitStr = split;
}
this.play = function() {
if ( m_stop ) {
return;
}
m_pos = m_box.scrollTop;
if( m_pos % m_lineHeight == 0 && m_stopTimes < m_delay && m_box.scrollTop < m_lineHeight * m_lineNum ) {
m_stopTimes++;
} else {
m_box.scrollTop++;
if ( m_pos % m_lineHeight == 0 && m_stopTimes >= m_delay ) {
m_stopTimes = 0;
}
}
if ( m_box.scrollTop > m_lineHeight * m_lineNum ) {
m_box.scrollTop = 0;
}
}
this.show = function () {
setInterval( m_self + ".play()", m_speed );
}
this.setSelf = function(n) {
m_self = n;
}
this.stop = function(n) {
m_stop = n;
}
}
function show_date() {
var today = new Date();
var day = new Array();
var str = '';
day[0] = "日";
day[1] = "一";
day[2] = "二";
day[3] = "三";
day[4] = "四";
day[5] = "五";
day[6] = "六";
str += today.getFullYear();
str += "年";
str += today.getMonth() + 1;
str += "月";
str += today.getDate();
str += "日";
str += " ";
str += "星期";
str += day[today.getDay()];
return str;
}

function ajaxPost(url,stateurl,data,info,loading){
var url,stateurl,data,info,loading
createxmlhttp();
if (data=="" || data==null)
{
//getMode
xmlhttp.open("get",url,true);
xmlhttp.setRequestHeader("CONTENT-TYPE","application/x-www-form-urlencoded");
xmlhttp.onreadystatechange= function () { checkState(stateurl,info,loading); } ;
xmlhttp.send(null);
}
else
{
//postMode
xmlhttp.open("post",url, true, "", "");
xmlhttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
xmlhttp.onreadystatechange= function () { checkState(stateurl,info,loading); }
xmlhttp.send(data);
}
}

function checkState(stateurl,info,loadnews){
if (xmlhttp.readyState == 4){
document.getElementById(info).innerHTML = loadnews;
if(xmlhttp.status == 200){
var retext = xmlhttp.responseText.split("$");
document.getElementById(info).innerHTML=retext[1];
switch(retext[0]) {
case "usreg" : if(stateurl!=="")location.href=stateurl;
break;
case "uslogin" : if(stateurl!=="")location.href=stateurl;
break;
case "active" : location.href=retext[2];
break;
case "errinfo" : return false;
break;
default : document.getElementById(info).innerHTML=retext[0];
}
}
}
else{
document.getElementById(info).innerHTML=loadnews;
}
}
//AJAX_END

//运行代码
function runEx(cod1) {
cod=document.getElementById(cod1)
var code=cod.value;
if (code!=""){
var newwin=window.open('','','');
newwin.opener = null
newwin.document.write(code);
newwin.document.close();
}
}
//复制代码
function doCopy2(ID) {
if (document.all){
textRange = document.getElementById(ID).createTextRange();
textRange.execCommand("Copy");
alert('复制成功');
}
else{
alert("此功能只能在IE上有效")
}
}
//复制代码
function doCopy(obj) {
var rng = document.body.createTextRange();
rng.moveToElementText(obj);
rng.scrollIntoView();
rng.select();
rng.execCommand("Copy");
rng.collapse(false);
}
function doCopyUrl()
{
document.getElementById("CopyUrl").value=parent.location.href;
document.getElementById("CopyUrl").select();
document.execCommand("copy");
alert("网址成功复制到剪贴板!")
}
//另存代码
function doSave(obj) {
var winname = window.open('', '_blank', 'top=10000');
winname.document.open('text/html', 'replace');
winname.document.writeln(obj.value);
winname.document.execCommand('saveas','','code.htm');
winname.close();
}
function findobj(n, d) {
var p, i, x;
if(!d) d = document;
if((p = n.indexOf("?"))>0 && parent.frames.length) {
d = parent.frames[n.substring(p + 1)].document;
n = n.substring(0, p);
}
if(x != d[n] && d.all) x = d.all[n];
for(i = 0; !x && i < d.forms.length; i++) x = d.forms[i][n];
for(i = 0; !x && d.layers && i < d.layers.length; i++) x = findobj(n, d.layers[i].document);
if(!x && document.getElementById) x = document.getElementById(n);
return x;
}
function submitonce(theform){
//if IE 4+ or NS 6+
if (document.all||document.getElementById){
//screen thru every element in the form, and hunt down "submit" and "reset"
for (i=0;i<theform.length;i++){
var tempobj=theform.elements[i]
if(tempobj.type.toLowerCase()=="submit"||tempobj.type.toLowerCase()=="reset")
//disable em
tempobj.disabled=true
}
}
}
function openScript(url, width, height){
var Win = window.open(url,"openScript",'width=' + width + ',height=' + height + ',resizable=1,scrollbars=yes,menubar=no,status=yes' );
}
function CheckAll(form) {
for (var i=0;i<form.elements.length;i++) {
var e = form.elements[i];
if (e.name != 'chkall') e.checked = form.chkall.checked;
}
}
function chkuserlogin() {
if (getcookie('userid') == ''||getcookie('userid') == 0||getcookie('username') == '') {
return false;
}
else {
return true;
}
}
function chkcookieed() {
if (getcookie("username") !== "") {
var url = "/ajax.asp?action=loginmenu";
url += "&random="+Math.random();
ajaxPost(url,null,null,"top_login"," ");
}
}

function userlogout() {
var url = "/AspCode.asp?getType=logout";
url += "&random="+Math.random();
ajaxPost(url,null,null,"top_login","正在退出...");
chkcookieed();
alert('欢迎再次光临阿里西西WEB开发社区...');
}
//Cookie解密
function DecodeCookie(str)
{
var strArr;
var strRtn="";
strArr=str.split("a");
try{
for (var i=strArr.length-1;i>=0;i--)
strRtn+=String.fromCharCode(eval(strArr[i]));
}catch(e){
}
return strRtn;
}
function isnumber(str){
var digits="1234567890";
var i=0;
var strlen=str.length;
while((i<strlen)){
var char=str.charAt(i);
if(digits.indexOf(char)==-1)return false;i++;
}
return true;
}
//检查非法字符
//str 要检查的字符
//badwords 非法字符 &|<>=
function checkbadwords(str, badwords) {
if (typeof (str) != "string" || typeof (badwords) != "string") {
return (false);
}
for (i=0; i<badwords.length; i++) {
bad = badwords.charAt(i);
for (j=0; j<str.length; j++) {
if (bad == str.charAt(j)) {
return false;
break;
}
}
}
return true;
}
function switchTag(tag,bar)
{
for(i=1; i <6; i++)
{
if ("tag"+i==tag)
{
document.getElementById(tag).getElementsByTagName("a")[0].className="selectli"+i;
document.getElementById(tag).getElementsByTagName("a")[0].getElementsByTagName("span")[0].className="selectspan"+i;
}else{
document.getElementById("tag"+i).getElementsByTagName("a")[0].className="";
document.getElementById("tag"+i).getElementsByTagName("a")[0].getElementsByTagName("span")[0].className="";
}
if ("bar"+i==bar)
{
document.getElementById(bar).className="";
}else{
document.getElementById("bar"+i).className="hidebar";
}
document.getElementById("bar").className=bar;
}
}
function switchNew(fornum,showname,lname,newid)
{
for(i=1; i < fornum; i++)
{
if (lname+i==newid)
{
document.getElementById(newid).className=showname;
}else{
document.getElementById(lname+i).className="hidebar";
}
}
}
function bgc(cssid) {
switch(cssid) {
case 0 : this.style.background='#FFFFFF';
break;
case 1 : this.style.background='#E8F5FE';
break;
case 2 : this.style.background='#FFFFDD';
break;
case 3 : this.style.background='#F2FDDB';
break;
case 4 : this.style.background='#FFE7F4';
break;
case 5 : this.style.background='#F7F7F7';
break;
default : this.style.background='#FFFFFF';
}
}
function imgzoom(o){
if(event.ctrlKey) {
var zoom = parseInt(o.style.zoom, 10) || 100;
zoom -= event.wheelDelta / 12;
if(zoom > 0) {
o.style.zoom = zoom + '%';
}
return false;
} else {
return true;
}
}
function CheckAll(form)
{
for (var i=0;i<form.elements.length;i++)
{
var e = form.elements[i];
if (e.Name != "chkAll"&&e.disabled!=true)
e.checked = form.chkAll.checked;
}
}
function addfav(favtitle,favform,favid)
{
location.href = "http://www.alixixi.com/account/user_Favorites.asp?url="+ document.URL +"&favtitle="+ favtitle +"&from="+ favform +"&id=" + favid;
}
function mto(aid) {
location.href = "http://www.alixixi.com/account/user_post.asp?aid=" + aid;
}
function apost(url){
createxmlhttp();
//getMode
url += "&random="+Math.random();
xmlhttp.open("get",url,true);
xmlhttp.setRequestHeader("CONTENT-TYPE","application/x-www-form-urlencoded");
//xmlhttp.onreadystatechange= function () { checkSeo(); } ;
xmlhttp.send(null);
}
function checkSeo(){
var info = 'test';
var loadnews = '正在加载';
if (xmlhttp.readyState == 4){
document.getElementById(info).innerHTML = loadnews;
if(xmlhttp.status == 200){
var retext = xmlhttp.responseText;
document.getElementById(info).innerHTML=retext;
}
}
else{
document.getElementById(info).innerHTML=loadnews;
}
}
function setstyle(sid) {
if (sid!=='' || sid!==null)
{
switch (parseInt(sid))
{
case 1:
setcookie('ali_style', 1, 600000);
document.all.css.href = '/css/style1.css';
break;
case 2:
setcookie('ali_style', 2, 600000);
document.all.css.href = '/css/style2.css';
break;
case 3:
setcookie('ali_style', 3, 600000);
document.all.css.href = '/css/style3.css';
break;
}
}
}
function ResumeError() {
return true;
}
window.onerror = ResumeError;
setstyle(getcookie('ali_style'));
//window.onload = setstyle(getcookie('ali_style'));