99% light blocking). True blackout relies on fabric density + specialized coating/backing &mdas...">

，需要通过父级DOM结构来判断 */ var trackActionPhone = function (node) { var nodeInnerText = node.innerText || '' if (!limitRegLength(nodeInnerText)) return var nodeText = trimText(nodeInnerText) if (nodeText.length < 5 || nodeText.length > 20) return false var type = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'click' var str = trimText(node.href || node.innerHTML || '') if (phoneReg.test(str) && numUseReg.test(str)) { _paq.push(['trackEvent', type, 'phone', nodeText]) return true } /** 排查父级嵌套非标签场景，并且对dom的正则校验做一个性能兜底，通过控制innerText的长度，来确保正则的性能 */ var fatherText = trimText(node.parentNode.innerText || '') if (fatherText.length < 5 || fatherText.length > 20) return false var fatherDom = trimText(node.parentNode.innerHTML || '') if (phoneReg.test(fatherDom) && numUseReg.test(fatherDom)) { _paq.push(['trackEvent', type, 'phone', nodeText]) return true } return false } window.addEventListener('click', function (e) { var node = e.target /** 社媒点击 */ var appName = '' var getAppAriaLabel = node.ariaLabel || node.parentNode.ariaLabel || '' if (mediaList.includes(getAppAriaLabel.toLowerCase())) { appName = getAppAriaLabel } if (!appName && node.nodeName && node.nodeName.toLowerCase() === 'a') { appName = getMediaName(node.href) || getMediaName(node.alt) } if (!appName && node.nodeName && node.nodeName.toLowerCase() === 'img') { appName = getMediaName(node.alt) || getMediaName(node.src) } if (!appName && node.nodeName && node.nodeName.toLowerCase() === 'i') { appName = getMediaName(node.className) } if (appName) { _paq.push(['trackEvent', 'click', 'contactApp', appName]) return } /** 联系方式点击 */ if (trackActionPhone(node, 'click')) return if (node.nodeName && node.nodeName.toLowerCase() === 'a') { var val = node.href if (!limitRegLength(val)) return if (emailReg.test(val)) { _paq.push(['trackEvent', 'click', 'email', val]) return } } if (node.nodeName && node.nodeName.toLowerCase() === 'i') { var val = node.className var content = node.parentNode.href || '' if (val.includes('email')) { _paq.push(['trackEvent', 'click', 'email', content]) return } } var nodeChildList = node.childNodes for (var i = 0; i < nodeChildList.length; i++) { ;(function (i) { if (nodeChildList[i].nodeType !== 3) return var val = nodeChildList[i].textContent.replace(/\s?:?/g, '') if (!limitRegLength(val)) return if (emailReg.test(val)) { _paq.push(['trackEvent', 'click', 'email', val]) return } })(i) } trackNumberData(node) }) window.addEventListener('copy', function (e) { if (trackActionPhone(e.target, 'copy')) return var text = e.target.textContent if (!text) return var val = text.replace(/\s:?/g, '') if (!limitRegLength(val)) return if (emailReg.test(val)) { _paq.push(['trackEvent', 'copy', 'email', val]) return } trackNumberData(e.target) }) } trackContactInit() /** * 基于custom_inquiry_form.js 以及 form.js 对于询盘表单提交的实现，来反推询盘表单的input标签触发，用来收集意向客户 * 1. 缓存的KEY：TRACK_INPUT_ID_MTM_00； * 2. 缓存策略 - lockTrackInput：单个页面内，10分钟内，不重复上报 */ function trackActionInput() { const CACHE_KEY = 'TRACK_INPUT_ID_MTM_00' const pathName = window.location.hostname + window.location.pathname var lockTrackInput = function () { try { const lastCacheData = localStorage.getItem(CACHE_KEY) if (!lastCacheData) return false const cacheData = JSON.parse(lastCacheData) const cacheTime = cacheData[pathName] if (!cacheTime) return false return Date.now() - cacheTime < 1000 * 60 * 10 // 10分钟内，不重复上报 } catch (error) { console.error('lockTrackInput Error', error) return false } } var setInputTrackId = function () { try { const curCacheData = localStorage.getItem(CACHE_KEY) if (curCacheData) { const cacheData = JSON.parse(curCacheData) cacheData[pathName] = Date.now() localStorage.setItem(CACHE_KEY, JSON.stringify(cacheData)) return } const cacheData = { [pathName]: Date.now(), } localStorage.setItem(CACHE_KEY, JSON.stringify(cacheData)) } catch (error) { console.error('setInputTrackId Error', error) } } var getInputDom = function (initDom) { var ele = initDom while (ele) { /** * isWebSiteForm 是站点的表单 * isChatWindowForm 是聊天窗口的表单 */ /** 旧模板表单 */ var isWebSiteForm = !!(/crm-form/i.test(ele.className) && ele.querySelector('form')) /** 1：新模板自定义表单、2：Get a Quote 弹框表单 */ var isWebSiteFormNew = !!(/inquiry/i.test(ele.className) && ele.querySelector('form')) if (isWebSiteForm || isWebSiteFormNew) { _paq.push(['trackEvent', 'formInquiry', 'formInput', 'page']) setInputTrackId() break } /** Mkt会话触达-聊天弹框的表单输入: MKT由于是iframe嵌入，所以MKT的上报，会单独写到MKT-form代码上 */ var isInquiryChatForm = !!(/comp-form/i.test(ele.className) && ele.querySelector('form')) if (isInquiryChatForm) { _paq.push(['trackEvent', 'formInquiry', 'formInput', 'chat']) setInputTrackId() break } /** 向上查找父节点 */ ele = ele.parentNode } } function initInputListener() { var inputUseDebounce = function (fn, delay) { var timer = null var that = this return function () { var args = Array.prototype.slice.call(arguments) if (timer) clearTimeout(timer) timer = setTimeout(function () { fn.apply(that, args) }, delay) } } var optimizeGetInputDom = inputUseDebounce(getInputDom, 300) window.addEventListener('input', function (e) { /** 如果已经上报过，则不再上报 */ if (lockTrackInput()) return optimizeGetInputDom(e.target) }) } try { initInputListener() } catch (error) { console.log('initInputListener Error', error) } } trackActionInput() } /** 第三方消息上报：目前主要是针对全点托管会话；在msgCollect/index.js中调试，访问test.html */ function thirdMsgCollect() { /** 先检测是否是stayReal托管：如果stayReal脚本都没有，那么说明当前站点未开启stayReal会话托管 */ const scriptList = Array.prototype.slice.call(document.querySelectorAll('script')) const checkStayReal = () => !!scriptList.find((s) => s.src.includes('stayreal.xiaoman.cn')) if (!checkStayReal()) return /** 缓存当前消息队列的最后一条消息id */ const CACHE_KEY = 'CACHE_KEY_MONITOR' const setCache = (msgIndex) => { /** 对缓存KEY进行base64转码处理 */ const cacheMsgIndex = btoa(msgIndex) localStorage.setItem(CACHE_KEY, cacheMsgIndex) } const getCache = () => { const cacheMsgIndex = localStorage.getItem(CACHE_KEY) if (cacheMsgIndex) return Number(atob(cacheMsgIndex)) return -1 } /** 拉取最新msg列表 */ const pullMsgList = () => { const msgEleList = Array.prototype.slice.call(document.querySelectorAll('#chat-list li')) const msgIds = [] const msgMap = msgEleList.reduce((acc, item) => { const sendTime = item.querySelector('.message-data-time').textContent.trim() const sendContent = item.querySelector('.message').textContent.trim() /** msg带有class：other-message的是访客消息，my-message的是客服消息 */ const isOtherMessage = item.querySelector('.message').classList.contains('other-message') const msgId = item.querySelector('.message').getAttribute('id') const msgItemData = { msgId, user: isOtherMessage ? 'visitor' : 'official', time: sendTime, content: sendContent, } msgIds.push(msgId) acc[msgId] = msgItemData return acc }, {}) return { ids: msgIds, dataMap: msgMap, } } /** 加密并上传消息数据 */ let ENCRYPT_KEY = 'de29f1aab63ab033' let ENCRYPT_IV = 'b8d2badf875e76ac' const baseUrl = 'https://cms.xiaoman.cn' // var getEncryptConfig = function () { // const url = baseUrl + '/shop-api/innerApi/getKeyIv' // $.get( // url, // function (result) { // console.log('result', result) // if (Number(result.code) === 0 && result.data.key && result.data.iv) { // ENCRYPT_KEY = result.data.key // ENCRYPT_IV = result.data.iv // uploadMsgData() // } else { // /** 如果获取失败，则重试 */ // setTimeout(() => { // getEncryptConfig() // }, 1000) // } // }, // 'json' // ) // } // getEncryptConfig() const encryptMsg = function (msgData) { const enc = new TextEncoder() // 转字节 const keyBytes = enc.encode(ENCRYPT_KEY) const ivBytes = enc.encode(ENCRYPT_IV) const plainBytes = enc.encode(msgData) // 导入密钥并加密 return crypto.subtle .importKey('raw', keyBytes, { name: 'AES-CBC' }, false, ['encrypt']) .then(function (cryptoKey) { return crypto.subtle.encrypt({ name: 'AES-CBC', iv: ivBytes }, cryptoKey, plainBytes) }) .then(function (encryptedBuffer) { // 转 base64 返回 return btoa(String.fromCharCode(...new Uint8Array(encryptedBuffer))) }) .catch((err) => { return Promise.reject(err) }) } let uploadFlag = false const uploadMsgData = function () { if (uploadFlag) return uploadFlag = true const { ids, dataMap } = pullMsgList() let cacheMsgIndex = getCache() const msgLen = ids.length if (!msgLen) { // 消息DOM未挂载 || 消息DOM已挂载，但是消息列表为空 uploadFlag = false return } if (msgLen - 1 < cacheMsgIndex) { /** 针对站点挂后台一段时间，消息列表会自动塞入重复消息，导致消息有重复，刷新后又重置回正常消息列表，所以这里需要更新锚点下标 */ cacheMsgIndex = msgLen - 1 setCache(cacheMsgIndex) uploadFlag = false return } if (msgLen - 1 === cacheMsgIndex) { // 缓存的最后一次发送的消息ID是最后一条(说明当前消息均已经上报)，则不跳过本地上报 uploadFlag = false return } const currentMsgIds = ids.slice(cacheMsgIndex + 1, msgLen) const currentMsgData = currentMsgIds.map((id) => dataMap[id]) const mtmId = window.matomo_site_id_cookie_key || '' // 获取mtm会话id const msgBody = { mtmId, curl: window.location.href, msgList: currentMsgData, } const msgBodyStr = JSON.stringify(msgBody) encryptMsg(msgBodyStr) .then(function (encryptedMsg) { console.log('encryptedMsg:', encryptedMsg, msgBodyStr) const url = baseUrl + '/shop-api/External/ListenSiteActiveStatus' $.ajax({ type: 'POST', url, data: JSON.stringify({ d_v: encryptedMsg }), contentType: 'application/json', success: function (result) { if (Number(result.code) === 0) { // 更新消息队列 setCache(msgLen - 1) } uploadFlag = false }, error: function (err) { console.error(err, '请求异常') uploadFlag = false }, }) }) .catch((err) => { console.error(err, '数据加密失败') uploadFlag = false }) } /** 监控chat-list的DOM变更 */ const initChatListObserver = () => { // 需要监听的 DOM 节点 const target = document.getElementById('chat-list') // 回调函数 const callback = function (mutationsList, observer) { for (const mutation of mutationsList) { console.log('mutation', mutation) if (mutation.type === 'childList') { uploadMsgData() } } } // 配置 const config = { childList: true, // 监听子节点的增删 subtree: true, // 是否也监听后代节点 } // 创建 observer const observer = new MutationObserver(callback) // 开始监听 observer.observe(target, config) } let testCount = 30 let itv = null const checkChatDom = () => !!document.querySelector('#vc-model') const initTalkCheck = () => { itv = setTimeout(() => { console.log('checkChatDom', checkChatDom(), testCount) if (!checkChatDom() && testCount > 0) { testCount-- initTalkCheck() return } clearTimeout(itv) uploadMsgData() initChatListObserver() }, 1500) } initTalkCheck() } try { gtmTrack() thirdMsgCollect() console.log('inserted gtm code') } catch (error) { console.error('gtmTrack Error', error) } }) })();
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Curtain Buying Secrets from a 25-Year Manufacturer: How to Avoid Costly Mistakes & Choose Perfect Window Coverings

2025-08-08 14:43:29
Curtain Buying Secrets from a 25-Year Manufacturer: How to Avoid Costly Mistakes & Choose Perfect Window Coverings

 I .Function First: "What’s This Curtain’s Job?" (The Non-Negotiable!)

1.Blackout Ability (Top Priority!):

1)Bedrooms: Demand full blackout (>99% light blocking). True blackout relies on fabric density + specialized coating/backing —

not just dark colors. Test: Pull the curtain at noon; the room should be pitch dark.

2)Living/Study Rooms: Semi-sheer or decorative blackout works. Pair with sheer curtains for light control.

2.Privacy:

1)For low floors or street-facing windows, choose light-filtering but non-see-through fabrics (e.g., layered sheers or dense weaves).

3.Insulation (Save Energy Bills!):

1)Velvet, thermal-lined fabrics, or heavy weaves act as a "coat" for windows, reducing heat/cold transfer by 2–3°C (proven by client feedback!).

4.Noise Reduction (Bonus):

1)Thick velvet or multi-layer curtains absorb high-frequency noise near busy streets.

5.Light & Ventilation:

1)Sheers are essential for living spaces — they diffuse light while allowing airflow. Blinds or shades offer precise light adjustment.

II. Aesthetic Appeal: Curtains Are Your Room’s "Face" (Poor Style = Failed Investment)

1.Color:

1） Match walls/furniture. Use neutral tones (gray, beige) for safety. Dark shades shrink small spaces.

2.Pattern & Texture:

1）Solids > busy prints for timeless elegance.

2）Texture defines luxury: Velvet’s warmth, linen’s rustic charm, silk-look polyester’s luster. Always request physical samples! (Beware of digital color inaccuracies.)

3.Style Alignment:

1）Modern: Solids, clean lines. Scandi: Linen/cotton. Classic: Velvet/jacquard. New Asian: Matte fabrics with subtle motifs.

4.Drape & Fullness (Key to High-End Look):

1）Opt for heavyweight fabrics (≥450g/m²) with heat setting for knife-edge pleats that hold shape. Fullness ratio: 1.8–2.2x the rail width.

 III. Fabric Quality: Good Material Outlasts Trends (Never Compromise!)

1.Material Types:

1)Polyester (80%+ market share): Affordable, durable, fade/wrinkle-resistant. High-end polyester rivals cheap "natural" fabrics.

2)"Natural" Options:

Cotton/Linen: Breathable but wrinkles/fades.

Silk: Luxe but fragile (dry-clean only).

Velvet/Flock: Opulent & insulating (choose "non-crush" velvet).

3.Eco & Safety:

1)Sniff test! Reject chemical odors. Demand OEKO-TEX® Standard 100 certification. Flame-retardant options for high-rises/kids’ rooms.

4.Craftsmanship (The Devil’s in Details):

1)Check: Straight stitching, reinforced hems, sturdy hooks/rings. Heat setting is game-changing — pleats stay crisp after washing.

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https://www.foulola.com

IV. Measurements & Installation: Precision Matters (Most Common Fail Point!)

1.Measure Twice!:

1)Decide: Window-width vs. full-wall coverage (latter = grander look).

2)Height: Install rods 15–20cm above window frame, curtains 1–3cm off the floor. Send photos + dimensions to your supplier for validation!

2.Hardware & Systems:

1)Track vs. Rod:

Track: Best for heavy curtains/bay windows (choose silent gliders).

Rod: Decorative but sags beyond 3m.

2)Hanging Styles: Grommets (modern), pencil pleats (versatile), rod pockets (casual).

3)Hardware Quality: Cheap rails/hooks ruin good curtains.

V.Budget Reality: "All-In" Cost (Beware Hidden Fees!)

1.Visible Costs: Fabric price per meter/panel.

2.Hidden Costs:

1)Tracks/rods (per meter)

2)Lining/interlining

3)Heat setting/service fees

4)Installation/shipping

3.Golden Rule: Request a total quote before ordering.

VI. Practicality: Low-Maintenance Wins (Save Future Hassle!)

1.Cleaning:

1)Polyester/cotton: Machine-washable (cold/delicate cycle).

2)Velvet/silk: Dry clean.

2.Wrinkle/Fade Resistance: Polyester excels. Sun-exposed rooms need UV-resistant fabric.

3.Ease of Use:

1)Test glide smoothness.

2)Child/Pet Safety: Choose cordless designs! Motorized options for luxury.

VII. Safety & Special Needs

1.Kids/Pets: 

Cordless mechanisms + secure mounting. Scratch-resistant fabrics (e.g., dense polyester).

2.Elder Accessibility: 

Easy-pull wands or motorization.

VIII.Supplier Trust: Your Safety Net (25 Years of Wisdom)

1.Expertise: Can they advise on styles/measurements?

2.Samples (Non-Negotiable!): Never buy without touching/swatching.

3.Customization: Handle odd shapes/sizes? Special linings?

4.After-Sales:

1)Return policy (custom items rarely refundable).

2)Warranty (fabric/hardware defects).

3)Problem-solving speed.

Manufacturer’s Cheat Sheet

1.Function > Looks > Budget.

2.DEMAND SAMPLES!

3.Measure like a pro — consult experts.

4.Compare total costs, not fabric prices.

5.Eco-certifications = non-toxic homes.

6.Partner with experienced, service-driven suppliers.

A great curtain should serve you beautifully for a decade. Invest wisely in bedroom blackout, living room style,

and quality hardware — your future self will thank you!

Got a specific dilemma? ("Sun-drenched living room ideas?" "Curtains for a bay window?")

Ask me — I’ll help you dodge the pitfalls!

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