[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"info-list-18945":3,"hot-list-29":24},{"info":4,"next":18,"pre":21},{"article_title":5,"type_id":6,"article_image":7,"article_content":8,"read_num":9,"create_time":10,"update_time":10,"article_author":11,"tags":12,"seo_title":5,"keyword":13,"desc":14,"style_type":15,"article_type":12,"is_video":16,"video_url":12,"video_img":12,"update_time_str":17},"二维码的种类和区别：QR码、Data Matrix等7大类型对比",29,"https:\u002F\u002Fhs1.bmwas.cn\u002Farticle\u002Fcd8edd900b7aae6204d1ebc3d680e573.jpg","\u003Cdiv data-page-id=\"ThJadz3LLoki3Jxu1tKcNXffnef\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\">\u003Cp>\u003Cspan style=\"color: rgb(0, 0, 0); font-size: 14px; font-weight: normal;\">扫二维码时你注意过它们长得不一样吗?有的是方块、有的是长条、有的只有指甲盖大小。本文拆解QR码、Data Matrix等7种常见二维码的核心差异,帮你根据实际需求选对类型,避免扫不出、存不下、印不清的问题。\u003C\u002Fspan>\u003C\u002Fp>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcncG1Gz9AH8KX9oCW4Y5Vwag\">你肯定扫过各种二维码:超市收银台的支付码、商品包装上的防伪码、展会现场的名片码。但你可能没想过,它们背后是完全不同的技术标准。选错类型会带来麻烦:想在小芯片上打码却选了QR码,印出来根本扫不出;办长期活动却用了静态码,想改内容只能重新印刷。\u003C\u002Fdiv>\u003Ch2 class=\"heading-2 ace-line old-record-id-doxcnhLOofchvTVrXxCTtrIIedf\">QR码家族:谁才是主流\u003C\u002Fh2>\u003Ch3 class=\"heading-3 ace-line old-record-id-doxcnVusN3PKU3LKYOblsQSYbBf\">Model 2为什么取代了Model 1\u003C\u002Fh3>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnUgSMPJ1ms0yHdIMCVBWSUf\">早期的Model 1只能存1167个数字,定位点设计也不够优化。后来推出的Model 2把容量提升到7089个数字,扫描算法也做了改进。支付宝、微信里的收款码,海报上的活动报名码,都属于QR码Model 2。它的三个黑色方块(定位点)已经成了二维码的标志性外观。\u003C\u002Fdiv>\u003Ch3 class=\"heading-3 ace-line old-record-id-doxcnWXvutDxNSGq6lCj8SAQsze\">Micro QR:压缩到极致的版本\u003C\u002Fh3>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcncQE2JJNgKZbzLrn5sgpLNg\">空间实在有限?Micro QR是个选择。它只用一个定位图案,周围留白也从4个码元缩减到2个,能省下不少面积。但代价是容量骤降:最高版本M4只能存35个数字或9个汉字。这个容量够放产品编号或短网址,想塞完整段文字就不够了。\u003C\u002Fdiv>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnq4ZCzdCbeJZudEOIYMYuah\">##小空间专用码:Data Matrix\u003C\u002Fdiv>\u003Ch3 class=\"heading-3 ace-line old-record-id-doxcn33VyxPm4kuaqDZGn01yAWc\">为什么电子元件都用它\u003C\u002Fh3>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnkikFYaUhoqFW6wjPZ6nDEe\">Data Matrix最大的特点是省空间。普通QR码需要三个定位点才能确定方向,它只要一个L形边框就能识别,这让它能做得很小。电路板上的芯片、药品包装上的批号、食品袋上的生产日期,经常能看到密密麻麻的小方格——那就是Data Matrix。它能存2335个字符,对于标识用途完全够用。\u003C\u002Fdiv>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnYNypsWEcCYM3O2DzeBwKAm\">不过打印精度要求更高。如果你用的是普通喷墨打印机,印出来的码可能会糊成一片。建议用激光打印或专业标签机。\u003C\u002Fdiv>\u003Ch2 class=\"heading-2 ace-line old-record-id-doxcngFnK7Dwueabm9IU1QfarEg\">动态码vs静态码:核心在于能否修改\u003C\u002Fh2>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcncj83ETjUeKCx2vY42KktLc\">生成静态码时,内容直接编码在图案里。这种方式简单直接,但一旦印刷出来就改不了。如果你办活动时把会议时间印错了,只能作废重印。而且你无法知道有多少人扫过码,也看不到扫码的时间分布。\u003C\u002Fdiv>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnYTqAZiyVu47oHiIpP4bdPb\">动态码的图案里实际存的是一个短链接,内容放在云端服务器上。扫码时先跳转到链接,再加载实际内容。这带来两个明显好处:一是可以随时修改内容,不用换码;二是能追踪数据,知道扫码次数、扫码地区、扫码时段。比如八木屋二维码生成器支持后台替换文件,还能统计扫描人数,很适合需要长期使用的场景。\u003C\u002Fdiv>\u003Ch2 class=\"heading-2 ace-line old-record-id-doxcnsuwiFikUUWvYr6bWUyBZCg\">专用功能码:一键完成特定操作\u003C\u002Fh2>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnMg79wj1h0MBgpo2sazhmnf\">传统方式连WiFi要先找到网络名称,再手动输入密码。WiFi码把这两步合并了:扫码后自动识别网络并连接。咖啡厅、民宿这些地方很适合贴WiFi码。\u003C\u002Fdiv>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcng1I2NNeSDoFSUq66KChKxc\">扫描名片码后,手机会弹出保存联系人的提示,姓名、电话、邮箱、公司信息全都自动填好,点击保存就行。比传统纸质名片方便,也比手动输入准确。\u003C\u002Fdiv>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnCVcbgE6dNvXfqcOIbsdB1m\">地理位置码里存的是经纬度坐标,扫码后直接调起地图应用开始导航。活动场地、门店位置都可以这样标注。\u003C\u002Fdiv>\u003Ch2 class=\"heading-2 ace-line old-record-id-doxcnd6ls1DIZxfMbHdfr0PhuKe\">工业场景的特殊类型\u003C\u002Fh2>\u003Ch3 class=\"heading-3 ace-line old-record-id-doxcneSvhVye4xqQR5tg33KQffd\">PDF417:证件和物流单上的长条码\u003C\u002Fh3>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcn0oHW22iQwR3HNE7Pgao1Af\">它是堆叠式设计,看起来像好几层条形码摞在一起。信息密度比传统条形码高20倍以上,所以能在有限空间里存更多内容。身份证、驾驶证、快递面单上经常能看到它。\u003C\u002Fdiv>\u003Ch3 class=\"heading-3 ace-line old-record-id-doxcn17WODE8uxnp5HwimrEJU9e\">MaxiCode:快递行业专用标签\u003C\u002Fh3>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnVwBSCFqOYemgHAWPtnWDNe\">这是个固定尺寸的码,永远是1英寸×1英寸。中心是个靶心图案,周围是六边形点阵。设计成固定尺寸是为了配合自动分拣设备,传送带上的扫描器能在高速运转时准确识别。UPS快递就在用这种码。\u003C\u002Fdiv>\u003Ch3 class=\"heading-3 ace-line old-record-id-doxcn5VbsgVOShufnnQMKyXij1g\">DotCode:高速喷印的点阵码\u003C\u002Fh3>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnWUoy5HMDKMvICMdrz6sEsb\">整个码由密集的点组成,可以用喷墨打印机直接打印。相比传统方式,喷印速度快、成本低,烟草行业用它给每包烟打序列号。\u003C\u002Fdiv>\u003Ch2 class=\"heading-2 ace-line old-record-id-doxcn61NMM2SA6jSzhlQa3tvgwb\">SQRC:看起来普通实际分层的安全码\u003C\u002Fh2>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnJgNyTAGGsJxgFFTKwc3Qnd\">外观和普通QR码一模一样,都是黑白方块。但扫描时会呈现两层内容:公开层所有人都能看到,私密层需要专用扫描器才能读取。这个设计很巧妙:既能对外展示基础信息,又能在内部流转时传递机密数据。\u003C\u002Fdiv>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnt0dAzylsSTKUTeVFHXtIcc\">涉密文件的流转、内部员工的身份识别、需要分级权限的系统,都可以用SQRC。普通用户扫码看到的是一个说明页面,管理员用专用设备扫就能看到完整信息。\u003C\u002Fdiv>\u003Ch2 class=\"heading-2 ace-line old-record-id-doxcnvKvoyh0e8H8NwN86nNDQ6f\">质量等级:为什么有的码扫不出\u003C\u002Fh2>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnVPQc1Sm8dqibpkdXO6pNbd\">二维码打印出来后,会根据对比度、模块缺陷、定位点清晰度等指标评级。A级最优,E级不合格。刚生成的码至少要达到B级,才能保证大部分手机都能顺利扫描。如果你发现码经常扫不出,可能是打印质量没达标。\u003C\u002Fdiv>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnqS2tMeRedBzeJUMSSOjUcg\">打印时要注意:正面平贴,避免弯曲或倾斜;周围留足空白区域,别紧贴着边缘裁切;如果是小尺寸码,建议用激光打印或专业标签机。\u003C\u002Fdiv>\u003C\u002Fdiv>\u003Cspan 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Matrix差距在哪"}}},"align":""}},"doxcnQFf2SP70CJaHDAVTo0ue8c":{"id":"doxcnQFf2SP70CJaHDAVTo0ue8c","snapshot":{"type":"text","parent_id":"ThJadz3LLoki3Jxu1tKcNXffnef","comments":null,"revisions":null,"locked":false,"hidden":false,"author":"7587678050121157823","children":[],"text":{"apool":{"nextNum":1,"numToAttrib":{"0":["author","7587678050121157823"]}},"initialAttributedTexts":{"attribs":{"0":"*0+2z"},"text":{"0":"【摘要】扫二维码时你注意过它们长得不一样吗?有的是方块、有的是长条、有的只有指甲盖大小。本文拆解QR码、Data Matrix等7种常见二维码的核心差异,帮你根据实际需求选对类型,避免扫不出、存不下、印不清的问题。"}}},"align":""}},"doxcncG1Gz9AH8KX9oCW4Y5Vwag":{"id":"doxcncG1Gz9AH8KX9oCW4Y5Vwag","snapshot":{"type":"text","parent_id":"ThJadz3LLoki3Jxu1tKcNXffnef","comments":null,"revisions":null,"locked":false,"hidden":false,"author":"7587678050121157823","children":[],"text":{"apool":{"nextNum":1,"numToAttrib":{"0":["author","7587678050121157823"]}},"initialAttributedTexts":{"attribs":{"0":"*0+3c"},"text":{"0":"你肯定扫过各种二维码:超市收银台的支付码、商品包装上的防伪码、展会现场的名片码。但你可能没想过,它们背后是完全不同的技术标准。选错类型会带来麻烦:想在小芯片上打码却选了QR码,印出来根本扫不出;办长期活动却用了静态码,想改内容只能重新印刷。"}}},"align":""}},"doxcnhLOofchvTVrXxCTtrIIedf":{"id":"doxcnhLOofchvTVrXxCTtrIIedf","snapshot":{"type":"heading2","parent_id":"ThJadz3LLoki3Jxu1tKcNXffnef","comments":null,"revisions":null,"locked":false,"hidden":false,"author":"7587678050121157823","children":[],"text":{"apool":{"nextNum":1,"numToAttrib":{"0":["author","7587678050121157823"]}},"initialAttributedTexts":{"attribs":{"0":"*0+b"},"text":{"0":"QR码家族:谁才是主流"}}},"align":""}},"doxcnVusN3PKU3LKYOblsQSYbBf":{"id":"doxcnVusN3PKU3LKYOblsQSYbBf","snapshot":{"type":"heading3","parent_id":"ThJadz3LLoki3Jxu1tKcNXffnef","comments":null,"revisions":null,"locked":false,"hidden":false,"author":"7587678050121157823","children":[],"text":{"apool":{"nextNum":1,"numToAttrib":{"0":["author","7587678050121157823"]}},"initialAttributedTexts":{"attribs":{"0":"*0+k"},"text":{"0":"Model 2为什么取代了Model 1"}}},"align":""}},"doxcnUgSMPJ1ms0yHdIMCVBWSUf":{"id":"doxcnUgSMPJ1ms0yHdIMCVBWSUf","snapshot":{"type":"text","parent_id":"ThJadz3LLoki3Jxu1tKcNXffnef","comments":null,"revisions":null,"locked":false,"hidden":false,"author":"7587678050121157823","children":[],"text":{"apool":{"nextNum":1,"numToAttrib":{"0":["author","7587678050121157823"]}},"initialAttributedTexts":{"attribs":{"0":"*0+3n"},"text":{"0":"早期的Model 1只能存1167个数字,定位点设计也不够优化。后来推出的Model 2把容量提升到7089个数字,扫描算法也做了改进。支付宝、微信里的收款码,海报上的活动报名码,都属于QR码Model 2。它的三个黑色方块(定位点)已经成了二维码的标志性外观。"}}},"align":""}},"doxcnWXvutDxNSGq6lCj8SAQsze":{"id":"doxcnWXvutDxNSGq6lCj8SAQsze","snapshot":{"type":"heading3","parent_id":"ThJadz3LLoki3Jxu1tKcNXffnef","comments":null,"revisions":null,"locked":false,"hidden":false,"author":"7587678050121157823","children":[],"text":{"apool":{"nextNum":1,"numToAttrib":{"0":["author","7587678050121157823"]}},"initialAttributedTexts":{"attribs":{"0":"*0+h"},"text":{"0":"Micro 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