var lang = new Array(); var userAgent = navigator.userAgent.toLowerCase(); var is_opera = userAgent.indexOf(‘opera’) != -1 && opera.version(); var is_moz = (navigator.product == ‘Gecko’) && userAgent.substr(userAgent.indexOf(‘firefox’) + 8, 3); var is_ie = (userAgent.indexOf(‘msie’) != -1 && !is_opera) && userAgent.substr(userAgent.indexOf(‘msie’) + 5, 3); function $(id) { return document.getElementById(id); } //定义数组的push属性Array.prototype.push = function(value) { this[this.length] = value; return this.length; } //javascript全选函数function checkall(form, prefix, checkall) { var checkall = checkall ? checkall : ‘chkall’; for(var i = 0; i < form.elements.length; i++) { var e = form.elements[i]; if(e.name && e.name != checkall && (!prefix || (prefix && e.name.match(prefix)))) { e.checked = form.elements[checkall].checked; } } } function doane(event) { e = event ? event : window.event; if(is_ie) { e.returnValue = false; e.cancelBubble = true; } else if(e) { e.stopPropagation(); e.preventDefault(); } } function fetchCheckbox(cbn) { return $(cbn) && $(cbn).checked == true ? 1 : 0; } function getcookie(name) { var cookie_start = document.cookie.indexOf(name); var cookie_end = document.cookie.indexOf(“;”, cookie_start); return cookie_start == -1 ? ” : unescape(document.cookie.substring(cookie_start + name.length + 1, (cookie_end > cookie_start ? cookie_end : document.cookie.length))); } function thumbImg(obj) { var zw = obj.width; var zh = obj.height; if(is_ie && zw == 0 && zh == 0) { var matches; re = /width=([“‘]?)(\d+)(\1)/i; matches = re.exec(obj.outerHTML); zw = matches[2]; re = /height=([“‘]?)(\d+)(\1)/i; matches = re.exec(obj.outerHTML); zh = matches[2]; } obj.resized = true; obj.style.width = zw + ‘px’; obj.style.height = ‘auto’; if(obj.offsetHeight > zh) { obj.style.height = zh + ‘px’; obj.style.width = ‘auto’; } if(is_ie) { var imgid = ‘img_’ + Math.random(); obj.id = imgid; setTimeout(‘try {if ($(\”+imgid+”).offsetHeight > ‘+zh+’) {$(\”+imgid+”).style.height = \”+zh+’px’;$(\”+imgid+”).style.width = \’auto’;}} catch(e){}’, 1000); } obj.onload = null; } function imgzoom(obj) {} function in_array(needle, haystack) { if(typeof needle == ‘string’ || typeof needle == ‘number’) { for(var i in haystack) { if(haystack[i] == needle) { return true; } } } return false; } function setcopy(text, alertmsg){ if(is_ie) { clipboardData.setData(‘Text’, text); alert(alertmsg); } else if(prompt(‘Press Ctrl+C Copy to Clipboard’, text)) { alert(alertmsg); } } function isUndefined(variable) { return typeof variable == ‘undefined’ ? true : false; } function mb_strlen(str) { var len = 0; for(var i = 0; i < str.length; i++) { len += str.charCodeAt(i) < 0 || str.charCodeAt(i) > 255 ? (charset == ‘utf-8’ ? 3 : 2) : 1; } return len; } function setcookie(cookieName, cookieValue, seconds, path, domain, secure) { var expires = new Date(); expires.setTime(expires.getTime() + seconds); document.cookie = escape(cookieName) + ‘=’ + escape(cookieValue) + (expires ? ‘; expires=’ + expires.toGMTString() : ”) + (path ? ‘; path=’ + path : ‘/’) + (domain ? ‘; domain=’ + domain : ”) + (secure ? ‘; secure’ : ”); } function strlen(str) { return (is_ie && str.indexOf(‘\n’) != -1) ? str.replace(/\r?\n/g, ‘_’).length : str.length; } function updatestring(str1, str2, clear) { str2 = ‘_’ + str2 + ‘_’; return clear ? str1.replace(str2, ”) : (str1.indexOf(str2) == -1 ? str1 + str2 : str1); } function toggle_collapse(objname, noimg) { var obj = $(objname); obj.style.display = obj.style.display == ” ? ‘none’ : ”; if(!noimg) { var img = $(objname + ‘_img’); img.src = img.src.indexOf(‘_yes.gif’) == -1 ? img.src.replace(/_no\.gif/, ‘_yes\.gif’) : img.src.replace(/_yes\.gif/, ‘_no\.gif’); } var collapsed = getcookie(‘discuz_collapse’); collapsed = updatestring(collapsed, objname, !obj.style.display); setcookie(‘discuz_collapse’, collapsed, (collapsed ? 86400 * 30 : -(86400 * 30 * 1000))); } function trim(str) { return (str + ”).replace(/(\s+)$/g, ”).replace(/^\s+/g, ”); } function _attachEvent(obj, evt, func) { if(obj.addEventListener) { obj.addEventListener(evt, func, false); } else if(obj.attachEvent) { obj.attachEvent(“on” + evt, func); } } var jsmenu = new Array(); var ctrlobjclassName; jsmenu[‘active’] = new Array(); jsmenu[‘timer’] = new Array(); jsmenu[‘iframe’] = new Array(); function initCtrl(ctrlobj, click, duration, timeout, layer) { if(ctrlobj && !ctrlobj.initialized) { ctrlobj.initialized = true; ctrlobj.unselectable = true; ctrlobj.outfunc = typeof ctrlobj.onmouseout == ‘function’ ? ctrlobj.onmouseout : null; ctrlobj.onmouseout = function() { if(this.outfunc) this.outfunc(); if(duration < 3) jsmenu[‘timer’][ctrlobj.id] = setTimeout(‘hideMenu(‘ + layer + ‘)’, timeout); } ctrlobj.overfunc = typeof ctrlobj.onmouseover == ‘function’ ? ctrlobj.onmouseover : null; ctrlobj.onmouseover = function(e) { doane(e); if(this.overfunc) this.overfunc(); if(click) { clearTimeout(jsmenu[‘timer’][this.id]); } else { for(var id in jsmenu[‘timer’]) { if(jsmenu[‘timer’][id]) clearTimeout(jsmenu[‘timer’][id]); } } } } } function initMenu(ctrlid, menuobj, duration, timeout, layer, drag) { if(menuobj && !menuobj.initialized) { menuobj.initialized = true; menuobj.ctrlkey = ctrlid; menuobj.onclick = ebygum; menuobj.style.position = ‘absolute’; if(duration < 3) { if(duration > 1) { menuobj.onmouseover = function() { clearTimeout(jsmenu[‘timer’][ctrlid]); } } if(duration != 1) { menuobj.onmouseout = function() { jsmenu[‘timer’][ctrlid] = setTimeout(‘hideMenu(‘ + layer + ‘)’, timeout); } } } menuobj.style.zIndex = 50; if(is_ie) { menuobj.style.filter += “progid:DXImageTransform.Microsoft.shadow(direction=135,color=#CCCCCC,strength=2)”; } if(drag) { menuobj.onmousedown = function(event) {try{menudrag(menuobj, event, 1);}catch(e){}}; menuobj.onmousemove = function(event) {try{menudrag(menuobj, event, 2);}catch(e){}}; menuobj.onmouseup = function(event) {try{menudrag(menuobj, event, 3);}catch(e){}}; } } } var menudragstart = new Array(); function menudrag(menuobj, e, op) { if(op == 1) { if(in_array(is_ie ? event.srcElement.tagName : e.target.tagName, [‘TEXTAREA’, ‘INPUT’, ‘BUTTON’, ‘SELECT’])) { return; } menudragstart = is_ie ? [event.clientX, event.clientY] : [e.clientX, e.clientY]; menudragstart[2] = parseInt(menuobj.style.left); menudragstart[3] = parseInt(menuobj.style.top); doane(e); } else if(op == 2 && menudragstart[0]) { var menudragnow = is_ie ? [event.clientX, event.clientY] : [e.clientX, e.clientY]; menuobj.style.left = (menudragstart[2] + menudragnow[0] – menudragstart[0]) + ‘px’; menuobj.style.top = (menudragstart[3] + menudragnow[1] – menudragstart[1]) + ‘px’; doane(e); } else if(op == 3) { menudragstart = []; doane(e); } } function showMenu(ctrlid, click, offset, duration, timeout, layer, showid, maxh, drag) { var ctrlobj = $(ctrlid); if(!ctrlobj) return; if(isUndefined(click)) click = false; if(isUndefined(offset)) offset = 0; if(isUndefined(duration)) duration = 2; if(isUndefined(timeout)) timeout = 500; if(isUndefined(layer)) layer = 0; if(isUndefined(showid)) showid = ctrlid; var showobj = $(showid); var menuobj = $(showid + ‘_menu’); if(!showobj|| !menuobj) return; if(isUndefined(maxh)) maxh = 400; if(isUndefined(drag)) drag = false; if(click && jsmenu[‘active’][layer] == menuobj) { hideMenu(layer); return; } else { hideMenu(layer); } var len = jsmenu[‘timer’].length; if(len > 0) { for(var i=0; i<len; i++) { if(jsmenu[‘timer’][i]) clearTimeout(jsmenu[‘timer’][i]); } } initCtrl(ctrlobj, click, duration, timeout, layer); ctrlobjclassName = ctrlobj.className; ctrlobj.className += ‘ hover’; initMenu(ctrlid, menuobj, duration, timeout, layer, drag); menuobj.style.display = ”; if(!is_opera) { menuobj.style.clip = ‘rect(auto, auto, auto, auto)’; } setMenuPosition(showid, offset); if(is_ie && is_ie < 7) { if(!jsmenu[‘iframe’][layer]) { var iframe = document.createElement(‘iframe’); iframe.style.display = ‘none’; iframe.style.position = ‘absolute’; iframe.style.filter = ‘progid:DXImageTransform.Microsoft.Alpha(> $(‘append_parent’) ? $(‘append_parent’).appendChild(iframe) : menuobj.parentNode.appendChild(iframe); jsmenu[‘iframe’][layer] = iframe; } jsmenu[‘iframe’][layer].style.top = menuobj.style.top; jsmenu[‘iframe’][layer].style.left = menuobj.style.left; jsmenu[‘iframe’][layer].style.width = menuobj.w; jsmenu[‘iframe’][layer].style.height = menuobj.h; jsmenu[‘iframe’][layer].style.display = ‘block’; } if(maxh && menuobj.scrollHeight > maxh) { menuobj.style.height = maxh + ‘px’; if(is_opera) { menuobj.style.overflow = ‘auto’; } else { menuobj.style.overflowY = ‘auto’; } } if(!duration) { setTimeout(‘hideMenu(‘ + layer + ‘)’, timeout); } jsmenu[‘active’][layer] = menuobj; } function setMenuPosition(showid, offset) { var showobj = $(showid); var menuobj = $(showid + ‘_menu’); if(isUndefined(offset)) offset = 0; if(showobj) { showobj.pos = fetchOffset(showobj); showobj.X = showobj.pos[‘left’]; showobj.Y = showobj.pos[‘top’]; showobj.w = showobj.offsetWidth; showobj.h = showobj.offsetHeight; menuobj.w = menuobj.offsetWidth; menuobj.h = menuobj.offsetHeight; if(offset < 3) { menuobj.style.left = (showobj.X + menuobj.w > document.body.clientWidth) && (showobj.X + showobj.w – menuobj.w >= 0) ? showobj.X + showobj.w – menuobj.w + ‘px’ : showobj.X + ‘px’; menuobj.style.top = offset == 1 ? showobj.Y + ‘px’ : (offset == 2 || ((showobj.Y + showobj.h + menuobj.h > document.documentElement.scrollTop + document.documentElement.clientHeight) && (showobj.Y – menuobj.h >= 0)) ? (showobj.Y – menuobj.h) + ‘px’ : showobj.Y + showobj.h + ‘px’); } else if(offset == 3) { menuobj.style.left = (document.body.clientWidth – menuobj.clientWidth) / 2 + document.body.scrollLeft + ‘px’; menuobj.style.top = (document.body.clientHeight – menuobj.clientHeight) / 2 + document.body.scrollTop + ‘px’; } if(menuobj.style.clip && !is_opera) { menuobj.style.clip = ‘rect(auto, auto, auto, auto)’; } } } function hideMenu(layer) { if(isUndefined(layer)) layer = 0; if(jsmenu[‘active’][layer]) { try { $(jsmenu[‘active’][layer].ctrlkey).className = ctrlobjclassName; } catch(e) {} clearTimeout(jsmenu[‘timer’][jsmenu[‘active’][layer].ctrlkey]); jsmenu[‘active’][layer].style.display = ‘none’; if(is_ie && is_ie < 7 && jsmenu[‘iframe’][layer]) { jsmenu[‘iframe’][layer].style.display = ‘none’; } jsmenu[‘active’][layer] = null; } } function fetchOffset(obj) { var left_offset = obj.offsetLeft; var top_offset = obj.offsetTop; while((obj = obj.offsetParent) != null) { left_offset += obj.offsetLeft; top_offset += obj.offsetTop; } return { ‘left’ : left_offset, ‘top’ : top_offset }; } function ebygum(eventobj) { if(!eventobj || is_ie) { window.event.cancelBubble = true; return window.event; } else { if(eventobj.target.type == ‘submit’) { eventobj.target.form.submit(); } eventobj.stopPropagation(); return eventobj; } } function menuoption_onclick_function(e) { this.clickfunc(); hideMenu(); } function menuoption_onclick_link(e) { choose(e, this); } function menuoption_onmouseover(e) { this.className = ‘popupmenu_highlight’; } function menuoption_onmouseout(e) { this.className = ‘popupmenu_option’; } function choose(e, obj) { var links = obj.getElementsByTagName(‘a’); if(links[0]) { if(is_ie) { links[0].click(); window.event.cancelBubble = true; } else { if(e.shiftKey) { window.open(links[0].href); e.stopPropagation(); e.preventDefault(); } else { window.location = links[0].href; e.stopPropagation(); e.preventDefault(); } } hideMenu(); } } function smiletypescroll(direct) { if(direct == 0) { $(‘smileytypes’).scrollTop -= 28; } else { $(‘smileytypes’).scrollTop += 28; } } var Ajaxs = new Array(); var AjaxStacks = new Array(0, 0, 0, 0, 0, 0, 0, 0, 0, 0); var attackevasive = isUndefined(attackevasive) ? 0 : attackevasive; function Ajax(recvType, waitId) { for(var stackId = 0; stackId < AjaxStacks.length && AjaxStacks[stackId] != 0; stackId++); AjaxStacks[stackId] = 1; var aj = new Object(); aj.loading = ‘Loading…’;//public aj.recvType = recvType ? recvType : ‘XML’;//public aj.waitId = waitId ? $(waitId) : null;//public aj.resultHandle = null;//private aj.sendString = ”;//private aj.targetUrl = ”;//private aj.stackId = 0; aj.stackId = stackId; aj.setLoading = function(loading) { if(typeof loading !== ‘undefined’ && loading !== null) aj.loading = loading; } aj.setRecvType = function(recvtype) { aj.recvType = recvtype; } aj.setWaitId = function(waitid) { aj.waitId = typeof waitid == ‘object’ ? waitid : $(waitid); } aj.createXMLHttpRequest = function() { var request = false; if(window.XMLHttpRequest) { request = new XMLHttpRequest(); if(request.overrideMimeType) { request.overrideMimeType(‘text/xml’); } } else if(window.ActiveXObject) { var versions = [‘Microsoft.XMLHTTP’, ‘MSXML.XMLHTTP’, ‘Microsoft.XMLHTTP’, ‘Msxml2.XMLHTTP.7.0’, ‘Msxml2.XMLHTTP.6.0’, ‘Msxml2.XMLHTTP.5.0’, ‘Msxml2.XMLHTTP.4.0’, ‘MSXML2.XMLHTTP.3.0’, ‘MSXML2.XMLHTTP’]; for(var i=0; i<versions.length; i++) { try { request = new ActiveXObject(versions[i]); if(request) { return request; } } catch(e) {} } } return request; } aj.XMLHttpRequest = aj.createXMLHttpRequest(); aj.showLoading = function() { if(aj.waitId && (aj.XMLHttpRequest.readyState != 4 || aj.XMLHttpRequest.status != 200)) { changedisplay(aj.waitId, ”); aj.waitId.innerHTML = ‘<span><img src=”‘ + IMGDIR + ‘/loading.gif”> ‘ + aj.loading + ‘</span>’; } } aj.processHandle = function() { if(aj.XMLHttpRequest.readyState == 4 && aj.XMLHttpRequest.status == 200) { for(k in Ajaxs) { if(Ajaxs[k] == aj.targetUrl) { Ajaxs[k] = null; } } if(aj.waitId) changedisplay(aj.waitId, ‘none’); if(aj.recvType == ‘HTML’) { aj.resultHandle(aj.XMLHttpRequest.responseText, aj); } else if(aj.recvType == ‘XML’) { aj.resultHandle(aj.XMLHttpRequest.responseXML.lastChild.firstChild.nodeValue, aj); } AjaxStacks[aj.stackId] = 0; } } aj.get = function(targetUrl, resultHandle) { setTimeout(function(){aj.showLoading()}, 500); if(in_array(targetUrl, Ajaxs)) { return false; } else { Ajaxs.push(targetUrl); } aj.targetUrl = targetUrl; aj.XMLHttpRequest.onreadystatechange = aj.processHandle; aj.resultHandle = resultHandle; var delay = attackevasive & 1 ? (aj.stackId + 1) * 1001 : 100; if(window.XMLHttpRequest) { setTimeout(function(){ aj.XMLHttpRequest.open(‘GET’, aj.targetUrl); aj.XMLHttpRequest.send(null);}, delay); } else { setTimeout(function(){ aj.XMLHttpRequest.open(“GET”, targetUrl, true); aj.XMLHttpRequest.send();}, delay); } } aj.post = function(targetUrl, sendString, resultHandle) { setTimeout(function(){aj.showLoading()}, 500); if(in_array(targetUrl, Ajaxs)) { return false; } else { Ajaxs.push(targetUrl); } aj.targetUrl = targetUrl; aj.sendString = sendString; aj.XMLHttpRequest.onreadystatechange = aj.processHandle; aj.resultHandle = resultHandle; aj.XMLHttpRequest.open(‘POST’, targetUrl); aj.XMLHttpRequest.setRequestHeader(‘Content-Type’, ‘application/x-www-form-urlencoded’); aj.XMLHttpRequest.send(aj.sendString); } return aj; } function newfunction(func){ var args = new Array(); for(var i=1; i<arguments.length; i++) args.push(arguments[i]); return function(event){ doane(event); window[func].apply(window, args); return false; } } function changedisplay(obj, display) { if(display == ‘auto’) { obj.style.display = obj.style.display == ” ? ‘none’ : ”; } else { obj.style.display = display; } return false; } var evalscripts = new Array(); function evalscript(s) { if(s.indexOf(‘<script’) == -1) return s; var p = /<script[^\&;]*?src=\”([^\&;]*?)\”[^\&;]*?(reload=\”1\”)?(?:charset=\”([\w\-]+?)\”)?><\/script>/ig; var arr = new Array(); while(arr = p.exec(s)) { appendscript(arr[1], ”, arr[2], arr[3]); } s = s.replace(p, ”); p = /<script(.*?)>([^\x00]+?)<\/script>/ig; while(arr = p.exec(s)) { appendscript(”, arr[2], arr[1].indexOf(‘reload=’) != -1); } return s; } function appendscript(src, text, reload, charset) { var id = hash(src + text); if(!reload && in_array(id, evalscripts)) return; if(reload && $(id)) { $(id).parentNode.removeChild($(id)); } evalscripts.push(id); var scriptNode = document.createElement(“script”); scriptNode.type = “text/javascript”; scriptNode.id = id; scriptNode.charset = charset; try { if(src) { scriptNode.src = src; } else if(text){ scriptNode.text = text; } $(‘append_parent’).appendChild(scriptNode); } catch(e) {} } function stripscript(s) { return s.replace(/<script.*?>.*?<\/script>/ig, ”); } 无做什么，记得为自己而做，那就毫无怨言。
discuz中用到的javascript函数解析 原创第1/2页
