Array.prototype.indexOf=function (w)
{
for(var i=0;i<this.length;i++)if(this[i]==w)return i;
return -1;
};
Array.prototype.remove=function (w)
{
var n=this.indexOf(w);
if(n!=-1)this.splice(n,1);
};
Array.prototype.append=function (aAny)
{
for(var i=0,len=aAny.length;i<len;i++)
this.push(aAny[i]);
return this;
};
function getPos(obj){
var res={l: 0, t: 0};
while(obj)
{
res.l+=obj.offsetLeft||0;
res.t+=obj.offsetTop||0;
obj=obj.offsetParent;
}
return res;
}
function getByClass(oParent, sClass)
{
var aEle=oParent.getElementsByTagName('*');
var re=new RegExp('\\b'+sClass+'\\b', 'i');
var aResult=[];
for(var i=0;i<aEle.length;i++)
{
if(re.test(aEle[i].className))
{
aResult.push(aEle[i]);
}
}
return aResult;
}
function addClass(obj, sClass)
{
var re=new RegExp('\\b'+sClass+'\\b');
if(re.test(obj.className))return;
obj.className=(obj.className+' '+sClass).match(/\S+/g).join(' ');
}
function removeClass(obj, sClass)
{
var re=new RegExp('\\b'+sClass+'\\b', 'g');
obj.className=obj.className.replace(re, '').replace(/^\s+|\s+$/g, '').replace(/\s+/g, ' ');
}
//绑定事件
function bindEvent(obj, ev, fn)
{
obj.addEventListener?obj.addEventListener(ev, fn, false):obj.attachEvent('on'+ev, fn);
}
//解除事件
function unbindEvent(obj, ev, fn)
{
obj.removeEventListener?obj.removeEventListener(ev, fn, false):obj.detachEvent('on'+ev, fn);
}
//cookie
function setCookie(name, value, iDay)
{
if(iDay!==false)
{
var oDate=new Date();
oDate.setDate(oDate.getDate()+iDay);
document.cookie=name+'='+value+';expires='+oDate+';path=/';
}
else
{
document.cookie=name+'='+value;
}
}
function getCookie(name)
{
var arr=document.cookie.split('; ');
var i=0;
for(i=0;i<arr.length;i++)
{
var arr2=arr[i].split('=');
if(arr2[0]==name)
{
return arr2[1];
}
}
return '';
}
function removeCookie(name)
{
setCookie(name, 'a', -1);
}
//打字效果
function typing(){
var str = 'js 实现的 打字效果，感觉蛮有趣的。'; var i = 0;
var divTyping = document.getElementById('divTyping');
if (i <= str.length) {
divTyping.innerHTML = str.slice(0, i++) + '_';
setTimeout('typing()', 200);//递归调用
}
else{
divTyping.innerHTML = str;//结束打字,移除 _ 光标
}
}
typing();
//打字效果结束
//获取元素
function getEle(sExp, oParent)
{
var aResult=[];
var i=0;
oParent || (oParent=document);
if(oParent instanceof Array)
{
for(i=0;i<oParent.length;i++)aResult=aResult.concat(getEle(sExp, oParent[i]));
}
else if(typeof sExp=='object')
{
if(sExp instanceof Array)
{
return sExp;
}
else
{
return [sExp];
}
}
else
{
//xxx, xxx, xxx
if(/,/.test(sExp))
{
var arr=sExp.split(/,+/);
for(i=0;i<arr.length;i++)aResult=aResult.concat(getEle(arr[i], oParent));
}
//xxx xxx xxx 或者 xxx>xxx>xxx
else if(/[ >]/.test(sExp))
{
var aParent=[];
var aChild=[];
var arr=sExp.split(/[ >]+/);
aChild=[oParent];
for(i=0;i<arr.length;i++)
{
aParent=aChild;
aChild=[];
for(j=0;j<aParent.length;j++)
{
aChild=aChild.concat(getEle(arr[i], aParent[j]));
}
}
aResult=aChild;
}
//#xxx .xxx xxx
else
{
switch(sExp.charAt(0))
{
case '#':
return [document.getElementById(sExp.substring(1))];
case '.':
return getByClass(oParent, sExp.substring(1));
default:
return [].append(oParent.getElementsByTagName(sExp));
}
}
}
return aResult;
}
function rnd(n, m)
{
return Math.random()*(m-n)+n;
}
//ajax、表单之类的
function json2url(json)
{
var a=[];
for(var i in json)
{
var v=json[i]+'';
v=v.replace(/\n/g, '<br/>');
v=encodeURIComponent(v);
a.push(i+'='+v);
}
return a.join('&');
}
function ajax(url, opt)
{
opt =opt||{};
opt.data =opt.data||{};
opt.data.t =opt.data.t||new Date().getTime();
opt.method =opt.method||'get';
var oAjax=window.XMLHttpRequest?new XMLHttpRequest():new ActiveXObject("Microsoft.XMLHTTP");
if(opt.method=='post')
{
oAjax.open('POST', url, true);
oAjax.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
try{
oAjax.send(opt.data?json2url(opt.data):null);
}catch(e){}
}
else
{
url+='?'+json2url(opt.data);
oAjax.open('GET', url, true);
try{
oAjax.send();
}catch(e){}
}
oAjax.onreadystatechange=function ()
{
if(oAjax.readyState==4)
{
if(oAjax.status==200)
{
opt.fnSucc && opt.fnSucc(oAjax.responseText);
}
else
{
opt.fnFaild && opt.fnFaild(oAjax.status);
}
}
};
}
/*
options:
succ: function(json)
faild: function(str, err)
check: function(obj, name, value)
data: 额外的数据
*/
function postForm(oForm, options)
{
if(!options)options={};
oForm.onsubmit=function ()
{
var data={};
var aEle=oForm.getElementsByTagName('*');
for(var i=0;i<aEle.length;i++)
{
var name=aEle[i].name;
var value=aEle[i].value;
if(name)
{
if(aEle[i].type=='radio')
{
if(aEle[i].checked)
{
if(options.check && options.check(aEle[i], name, value)==false)return false;
data[name]=value;
}
}
else if(aEle[i].type!=undefined)
{
if(options.check && options.check(aEle[i], name, value)==false)return false;
data[name]=value;
}
}
}
if(options.data)
{
for(var i in options.data)data[i]=options.data[i];
}
request(oForm.action, data, options.succ, options.faild);
return false;
};
}
function request(url, data, fnSucc, fnFaild)
{
ajax(url, {
data: data,
fnSucc: function (str){
//alert(str);
//document.write(str);
//document.getElementsByTagName('textarea')[0].value=str;
try{
str=str.replace(/\n/g, '');
var json=eval('('+str+')');
}
catch(e)
{
fnFaild && fnFaild('parse error', -1);
//alert('你懂的：'+str);
var oDiv=document.getElementById('test_err_ndd');
if(!oDiv)
{
oDiv=document.createElement('div');
document.body.appendChild(oDiv);
oDiv.style.display='none';
}
oDiv.innerHTML+=str;
return;
}
if(json.error)
fnFaild&&fnFaild(json.desc, json.error);
else
fnSucc&&fnSucc(json);
},
fnFaild: function (str){
fnFaild&&fnFaild(str+'|'+url);
}
});
}
function time2date(t)
{
function d(n){return n<10?'0'+n:''+n;}
var oDate=new Date(t*1000);
return oDate.getFullYear()+'-'+d(oDate.getMonth()+1)+'-'+d(oDate.getDate())+' '+d(oDate.getHours())+':'+d(oDate.getMinutes())+':'+d(oDate.getSeconds());
}
function time2day(t)
{
function d(n){return n<10?'0'+n:''+n;}
var oDate=new Date(t*1000);
return oDate.getFullYear()+'-'+d(oDate.getMonth()+1)+'-'+d(oDate.getDate());
}
function preloadImgs(arr, fnSucc, fnFaild, fnProgress)
{
var loaded=0;
for(var i=0;i<arr.length;i++)
{
var oImg=new Image();
oImg.onload=function ()
{
loaded++;
fnProgress&&fnProgress(100*loaded/arr.length);
if(loaded==arr.length)fnSucc&&fnSucc();
this.onload=this.onerror=null;
this.src='';
};
oImg.onerror=function ()
{
fnFaild&&fnFaild(this.src);
fnFaild=fnSucc=fnProgress=null;
};
oImg.src=arr[i];
}
}
//拖拽
function drag(objEv, objMove, fnMoveCallBack)
{
var disX=0,disY=0;
objEv.onmousedown=function (ev)
{
var oEvent=ev||event;
disX=(document.documentElement.scrollLeft||document.body.scrollLeft)+oEvent.clientX-objMove.offsetLeft;
disY=(document.documentElement.scrollTop||document.body.scrollTop)+oEvent.clientY-objMove.offsetTop;
if(objEv.setCapture)
{
objEv.onmousemove=fnMove;
objEv.onmouseup=fnUp;
objEv.setCapture();
}
else
{
document.onmousemove=fnMove;
document.onmouseup=fnUp;
return false;
}
};
function fnMove(ev)
{
var oEvent=ev||event;
var l=(document.documentElement.scrollLeft||document.body.scrollLeft)+oEvent.clientX-disX;
var t=(document.documentElement.scrollTop||document.body.scrollTop)+oEvent.clientY-disY;
fnMoveCallBack(l,t);
}
function fnUp()
{
this.onmousemove=null;
this.onmouseup=null;
if(this.releaseCapture)this.releaseCapture();
}
}
function mouseScroll(obj, fnCallBack)
{
bindEvent(obj, 'mousewheel', fnScroll);
bindEvent(obj, 'DOMMouseScroll', fnScroll);
function fnScroll(ev)
{
var oEvent=ev||event;
var bDown;
if(oEvent.wheelDelta)
{
bDown=oEvent.wheelDelta<0;
}
else
{
bDown=oEvent.detail>0;
}
fnCallBack(bDown);
if(oEvent.preventDefault)oEvent.preventDefault();
return false;
}
}
function format(str, json)
{
str=str.replace(/{\w+}/g, function (str){
var s=str.substring(1, str.length-1);
return json[s];
});
return str;
}
//获取屏幕大小
function getWindowSize(){
var width=document.documentElement.clientWidth||document.body.clientWidth;
var height=document.documentElement.clientHeight||document.body.clientHeight;
return {"h":height,"w":width};
}