<attach event="ondocumentready" handler="easyIeSet"> <script language="JScript"> //使用方法将代码保存为easyIe.htc;在样式表中加入样式最好用绝对路径:body{behavior:url(/styles/easyIe.htc);}; //1.ie6或7不缓存背景图片; //2.ie6,7,8不支持半透明效果;改后导致该dom出现overflow:hidden,特殊情况ie7下不支持半透明，用1像素半透明png平铺或直接pass掉； //3.ie6不支持hover效果;每个dom元素，当mouseenter的时候加上这个dom的名字（小写）和onhover的组合(例如：div鼠标放上后会追加样式divonhover,一开后会移除divonhover;样式表这么写div:hover,divonhover{font-weight:bold;}),速度比hover.htc要快几倍哦！ //4.ie6支持fixed; //5.ie6支持PNG半透明效果; //6.圆角线，性渐变，boxshadow需要引入PIE.htc,并在PIE所在文件夹里放入PIE_IE678js和PIE_9.js,查找behavior: url(/styles/PIE.htc)，路径为绝对路径；线性渐变需要在cssText里加入-pie-background: linear-gradient(#EEFF99, #66EE33); //authour:刘丕水,zhuifengh2o var currentSheet, doc = window.document; var userAgentNow = navigator.userAgent.toString(); var ie6Rgx = new RegExp("MSIE 6.0"); var ie7Rgx = new RegExp("MSIE 7.0"); var ie8Rgx = new RegExp("MSIE 8.0"); var ie9Rgx = new RegExp("MSIE 9.0"); var isIE6 = ie6Rgx.test(userAgentNow); var isIE7 = ie7Rgx.test(userAgentNow); var isIE8 = ie8Rgx.test(userAgentNow); var isIE9 = ie9Rgx.test(userAgentNow); //html5元素支持开始 //需要在html页面的head里加上JS地址为http://html5shiv.googlecode.com/svn/trunk/html5.js相关文章http://www.cnblogs.com/jhti/archive/2011/07/13/2105039.html；增加canvas支持需要引入excanvas.compiled.js，相关文章http://blog.csdn.net/huang100qi/article/details/7698647(让IE8支持canvas功能); //html5支持结束 window['DD_belatedPNG'] = { ns: 'DD_belatedPNG', imgSize: {}, delay: 10, nodesFixed: 0, createVmlNameSpace: function () { if (document.namespaces && !document.namespaces[blog_post.ns]) { document.namespaces.add(blog_post.ns, 'urn:schemas-microsoft-com:vml'); } }, createVmlStyleSheet: function () { var screenStyleSheet, printStyleSheet; screenStyleSheet =$("<style media='screen'></style>"); $("head").append(screenStyleSheet); if (screenStyleSheet[0].styleSheet) { screenStyleSheet = screenStyleSheet[0].styleSheet; screenStyleSheet.addRule(blog_post.ns + '\:*', '{behavior:url(#default#VML)}'); screenStyleSheet.addRule(blog_post.ns + '\:shape', 'position:absolute;'); screenStyleSheet.addRule('img.' + blog_post.ns + '_sizeFinder', 'behavior:none; border:none; position:absolute; z-index:-1; top:-10000px; visibility:hidden;'); /* large negative top value for avoiding vertical scrollbars for large images, suggested by James O'Brien, http://www.thanatopsic.org/hendrik/ */ blog_post.screenStyleSheet = screenStyleSheet; printStyleSheet = $("<style media='print'></style>"); $("head").prepend(printStyleSheet); printStyleSheet = printStyleSheet[0].styleSheet; printStyleSheet.addRule(blog_post.ns + '\:*', '{display: none !important;}'); printStyleSheet.addRule('img.' + blog_post.ns + '_sizeFinder', '{display: none !important;}'); } }, readPropertyChange: function () { var el, display, v; el = event.srcElement; if (!el.vmlInitiated) { return; } if (~event.propertyName.search('background') || (~event.propertyName.search('border'))) { DD_belatedPNG.applyVML(el); } if (event.propertyName == 'style.display') { display = (el.currentStyle.display == 'none') ? 'none' : 'block'; for (v in el.vml) { if (el.vml.hasOwnProperty(v)) { el.vml[v].shape.style.display = display; } } } if (~event.propertyName.search('filter')) { DD_belatedPNG.vmlOpacity(el); } }, vmlOpacity: function (el) { if (~el.currentStyle.filter.search('lpha')) { var trans = el.currentStyle.filter; trans = parseInt(trans.substring(trans.lastIndexOf('=')+1, trans.lastIndexOf(')')), 10)/100; el.vml.color.shape.style.filter = el.currentStyle.filter; /* complete guesswork */ el.vml.image.fill.opacity = trans; /* complete guesswork */ } }, handlePseudoHover: function (el) { setTimeout(function () { /* wouldn't work as intended without setTimeout */ DD_belatedPNG.applyVML(el); }, 1); }, applyVML: function (el) { el.runtimeStyle.cssText = ''; blog_post.vmlFill(el); blog_post.vmlOffsets(el); blog_post.vmlOpacity(el); if (el.isImg) { blog_post.copyImageBorders(el); } }, attachHandlers: function (el) { var self, handlers, handler, moreForAs, a, h; self = blog_post; handlers = {resize: 'vmlOffsets', move: 'vmlOffsets'}; if (el.nodeName == 'A') { moreForAs = {mouseleave: 'handlePseudoHover', mouseenter: 'handlePseudoHover', focus: 'handlePseudoHover', blur: 'handlePseudoHover'}; for (a in moreForAs) { if (moreForAs.hasOwnProperty(a)) { handlers[a] = moreForAs[a]; } } } for (h in handlers) { if (handlers.hasOwnProperty(h)) { handler = function () { self[handlers[h]](el); }; el.attachEvent('on' + h, handler); } } el.attachEvent('onpropertychange', blog_post.readPropertyChange); }, giveLayout: function (el) { el.style.zoom = 1; if (el.currentStyle.position == 'static') { el.style.position = 'relative' } }, copyImageBorders: function (el) { var styles, s; styles = {'borderStyle':true, 'borderWidth':true, 'borderColor':true}; for (s in styles) { if (styles.hasOwnProperty(s)) { el.vml.color.shape.style[s] = el.currentStyle[s]; } } }, vmlFill: function (el) { if (!el.currentStyle) { return; } else { var elStyle, noImg, lib, v, img, imgLoaded; elStyle = el.currentStyle; } for (v in el.vml) { if (el.vml.hasOwnProperty(v)) { el.vml[v].shape.style.zIndex = elStyle.zIndex; } } el.runtimeStyle.backgroundColor = ''; el.runtimeStyle.backgroundImage = ''; noImg = true; if (elStyle.backgroundImage != 'none' || el.isImg) { if (!el.isImg) { el.vmlBg = elStyle.backgroundImage; el.vmlBg = el.vmlBg.substr(5, el.vmlBg.lastIndexOf('")')-5); } else { el.vmlBg = el.src; } lib = blog_post; if (!lib.imgSize[el.vmlBg]) { /* determine size of loaded image */ img = document.createElement('img'); lib.imgSize[el.vmlBg] = img; img.className = lib.ns + '_sizeFinder'; img.runtimeStyle.cssText = 'behavior:none; position:absolute; left:-10000px; top:-10000px; border:none; margin:0; padding:0;'; /* make sure to set behavior to none to prevent accidental matching of the helper elements! */ imgLoaded = function () { blog_post.width = blog_post.offsetWidth; /* weird cache-busting requirement! */ blog_post.height = blog_post.offsetHeight; lib.vmlOffsets(el); }; img.attachEvent('onload', imgLoaded); img.src = el.vmlBg; img.removeAttribute('width'); img.removeAttribute('height'); $("body").prepend($(img)); } el.vml.image.fill.src = el.vmlBg; noImg = false; } el.vml.image.fill.on = !noImg; el.vml.image.fill.color = 'none'; el.vml.color.shape.style.backgroundColor = elStyle.backgroundColor; el.runtimeStyle.backgroundImage = 'none'; el.runtimeStyle.backgroundColor = 'transparent'; }, vmlOffsets: function (el) { var blog_postStyle, size, fudge, makeVisible, bg, bgR, dC, altC, b, c, v; blog_postStyle = el.currentStyle; size = {'W':el.clientWidth+1, 'H':el.clientHeight+1, 'w':blog_post.imgSize[el.vmlBg].width, 'h':blog_post.imgSize[el.vmlBg].height, 'L':el.offsetLeft, 'T':el.offsetTop, 'bLW':el.clientLeft, 'bTW':el.clientTop}; fudge = (size.L + size.bLW == 1) ? 1 : 0; makeVisible = function (vml, l, t, w, h, o) { vml.coordsize = w+','+h; vml.coordorigin = o+','+o; vml.path = 'm0,0l'+w+',0l'+w+','+h+'l0,'+h+' xe'; vml.style.width = w + 'px'; vml.style.height = h + 'px'; vml.style.left = l + 'px'; vml.style.top = t + 'px'; }; makeVisible(el.vml.color.shape, (size.L + (el.isImg ? 0 : size.bLW)), (size.T + (el.isImg ? 0 : size.bTW)), (size.W-1), (size.H-1), 0); makeVisible(el.vml.image.shape, (size.L + size.bLW), (size.T + size.bTW), (size.W), (size.H), 1 ); bg = {'X':0, 'Y':0}; if (el.isImg) { bg.X = parseInt(blog_postStyle.paddingLeft, 10) + 1; bg.Y = parseInt(blog_postStyle.paddingTop, 10) + 1; } else { for (b in bg) { if (bg.hasOwnProperty(b)) { blog_post.figurePercentage(bg, size, b, blog_postStyle['backgroundPosition'+b]); } } } el.vml.image.fill.position = (bg.X/size.W) + ',' + (bg.Y/size.H); bgR = blog_postStyle.backgroundRepeat; dC = {'T':1, 'R':size.W+fudge, 'B':size.H, 'L':1+fudge}; altC = { 'X': {'b1': 'L', 'b2': 'R', 'd': 'W'}, 'Y': {'b1': 'T', 'b2': 'B', 'd': 'H'} }; if (bgR != 'repeat' || el.isImg) { c = {'T':(bg.Y), 'R':(bg.X+size.w), 'B':(bg.Y+size.h), 'L':(bg.X)}; /* these are defaults for no-repeat - clips down to the image location */ if (~bgR.search('repeat-')) { /* now let's revert to dC for repeat-x or repeat-y */ v = bgR.split('repeat-')[1].toUpperCase(); c[altC[v].b1] = 1; c[altC[v].b2] = size[altC[v].d]; } if (c.B > size.H) { c.B = size.H; } el.vml.image.shape.style.clip = 'rect('+c.T+'px '+(c.R+fudge)+'px '+c.B+'px '+(c.L+fudge)+'px)'; } else { el.vml.image.shape.style.clip = 'rect('+dC.T+'px '+dC.R+'px '+dC.B+'px '+dC.L+'px)'; } }, figurePercentage: function (bg, size, axis, position) { var horizontal, fraction; fraction = true; horizontal = (axis == 'X'); switch(position) { case 'left': case 'top': bg[axis] = 0; break; case 'center': bg[axis] = 0.5; break; case 'right': case 'bottom': bg[axis] = 1; break; default: if (position.search('%') != -1) { bg[axis] = parseInt(position, 10) / 100; } else { fraction = false; } } bg[axis] = Math.ceil( fraction ? ( (size[horizontal?'W': 'H'] * bg[axis]) - (size[horizontal?'w': 'h'] * bg[axis]) ) : parseInt(position, 10) ); if (bg[axis] % 2 === 0) { bg[axis]++; } return bg[axis]; }, fixPng: function (el) { el.style.behavior = 'none'; var lib, els, nodeStr, v, e; if (el.nodeName == 'BODY' || el.nodeName == 'TD' || el.nodeName == 'TR') { /* elements not supported yet */ return; } el.isImg = false; if (el.nodeName == 'IMG') { if(/.png(?:W|$)/.test(el.src.toLowerCase())) { el.isImg = true; el.style.visibility = 'hidden'; } else { return; } } else if (el.currentStyle.backgroundImage.toLowerCase().search('.png') == -1) { return; } lib = DD_belatedPNG; el.vml = {color: {}, image: {}}; els = {shape: {}, fill: {}}; for (v in el.vml) { if (el.vml.hasOwnProperty(v)) { for (e in els) { if (els.hasOwnProperty(e)) { nodeStr = lib.ns + ':' + e; el.vml[v][e] = document.createElement(nodeStr); } } el.vml[v].shape.stroked = false; el.vml[v].shape.appendChild(el.vml[v].fill); el.parentNode.insertBefore(el.vml[v].shape, el); } } el.vml.image.shape.fillcolor = 'none'; /* Don't show blank white shapeangle when waiting for image to load. */ el.vml.image.fill.type = 'tile'; /* Makes image show up. */ el.vml.color.fill.on = false; /* Actually going to apply vml element's style.backgroundColor, so hide the whiteness. */ lib.attachHandlers(el); lib.giveLayout(el); lib.giveLayout(el.offsetParent); el.vmlInitiated = true; lib.applyVML(el); /* Render! */ }, /** * This is the method to use in a document. * @param {String} selector - REQUIRED - a CSS selector, such as '#doc .container' **/ fix: function (selectors) { if (blog_post.screenStyleSheet) { for (var i in selectors) { blog_post.screenStyleSheet.addRule(selectors[i], 'behavior:expression(DD_belatedPNG.fixPng(blog_post))'); /* seems to execute the function without adding it to the stylesheet - interesting... */ } } } }; function easyIeLoadScript(url, callback){ var script = document.createElement ("script") script.type = "text/javascript"; script.onreadystatechange = function(){ if (script.readyState == "loaded" || script.readyState == "complete"){ script.onreadystatechange = null; callback(); } }; script.src = url; document.getElementsByTagName("head")[0].appendChild(script); } window['easyIeReset']=function(){ if(isIE6){ try{ DD_belatedPNG.createVmlNameSpace(); DD_belatedPNG.createVmlStyleSheet(); } catch (e){}; } var objReset=new Object(); objReset.pngFixed=new Array(); objReset.Fixed=new Array(); var easyIeBgImgCache=function(){//设置背景缓存 ie6和ie7需要设置 try{document.execCommand('BackgroundImageCache', false, true);} catch (e){}; } var easyIeFixedBg=function(){//fixed的时候需要设置body背景 if($('body').css('background-image')=='none'){$('body').css('background-image','url(about:blank)');} if($('html').css('background-image')=='none'){$('html').css('background-image','url(about:blank)');} $("head").append("<style type='text/css'>html,body{background-attachment:fixed;overflow-x:hidden;}</style>") } var easyIehover=function(){//ie6不支持hover $("html").delegate('*', 'mouseenter', function () {if($(blog_post)[0].tagName.toLowerCase=='a'){return;};$(blog_post).addClass($(blog_post)[0].tagName.toLowerCase()+'onhover');}); $("html").delegate('*', 'mouseleave', function () {if($(blog_post)[0].tagName.toLowerCase=='a'){return;};$(blog_post).removeClass($(blog_post)[0].tagName.toLowerCase()+'onhover');}); } parseStylesheets(); if (isIE6) { easyIeBgImgCache(); easyIehover(); easyIeFixedBg(); objReset.pngFixed.push("img"); DD_belatedPNG.fix(objReset.pngFixed); } if (isIE7) { easyIeBgImgCache(); }; function parseStylesheets() { var sheets = doc.styleSheets, l = sheets.length; for (var i = 0; i < l; i++) { parseStylesheet(sheets[i]); }; }; function parseStylesheet(sheet) { /***imports不考虑imports导入样式现在都为link引入；如果有导入样式，建议改为link引入 if (sheet.imports) { try { var imports = sheet.imports, l = imports.length; for (var i = 0; i < l; i++) { parseStylesheet(sheet.imports[i]); }; } catch (securityException) { }; };***/ try { var rules = (currentSheet = sheet).rules, rulesl = rules.length; for (var j = 0; j < rulesl; j++) { parseCSSRule(rules[j]); }; } catch (securityException) { }; }; function parseCSSRule(rule) { var select = rule.selectorText, style = rule.style.cssText.toLowerCase(); if (!isIE9) { var t = style.match(/opacity:(|s*)0.(d+)/); var newSelectAlpha = select; if ((typeof (t) != "undefined") & (t != 0) & (t != null)) { var styleOpacity = "filter:alpha(opacity=" + t[2] * 10 + ");"; currentSheet.addRule(newSelectAlpha, styleOpacity); }; } if (~style.indexOf('border-radius') ||(~style.indexOf('linear-gradient')) || (~style.indexOf('box-shadow'))) {//添加使IE支持圆角，渐变，阴影； var styleRadius = "behavior: url(/styles/PIE.htc)"; currentSheet.addRule(select, styleRadius); } if (isIE6) { if ((/png/).test(style)) { objReset.pngFixed.push(select); } } if (isIE6) { if ((/position:sfixed/).test(style)) { if (!((/absolute/).test(style))) { styleAbsoute = "position:absolute"; currentSheet.addRule(select, styleAbsoute); } if ((/bottom/).test(style)) { var bottomNum = (style).match(/(bottom:s)+(d+)/i)[2]; var fixedStylenow = "top:expression(eval(document.documentElement.scrollTop+document.documentElement.clientHeight-blog_post.offsetHeight-(parseInt(blog_post.currentStyle.marginTop,10)||0)-(parseInt(blog_post.currentStyle.marginBottom,10)||0)-" + bottomNum + "));" currentSheet.addRule(select, fixedStylenow); } else { if ((/top/).test(style)) { var topNum = (style).match(/(top:s)+(d+)/i)[2]; var fixedStylenow = "top:expression(eval(document.documentElement.scrollTop+" + topNum + "));" currentSheet.addRule(select, fixedStylenow); } else { var topNum = 0; var fixedStylenow = "top:expression(eval(document.documentElement.scrollTop+" + topNum + "));" currentSheet.addRule(select, fixedStylenow); } } }; } }; } var easyIeSet=easyIeLoadScript('http://cdn.staticfile.org/jquery/1.7.2/jquery.min.js',easyIeReset); </script>