[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"info-list-18949":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},"二维码属于什么码选择题？快速响应码的分类答案揭秘",29,"https:\u002F\u002Fhs1.bmwas.cn\u002Farticle\u002F57df8cdec4c535de80ac4f23602d9e02.jpg","\u003Cdiv data-page-id=\"AChGdIboaovaEdxkGdQc6hd3nch\" 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;\">二维码全称Quick Response Code,中文叫快速响应码,是一种平面条形码。它通过黑白图案存储信息,能装下网址、文字、联系方式等内容。本文从技术分类、功能划分、安全等级三个角度,帮你搞清楚二维码的真实身份,并提供实用的使用建议。\u003C\u002Fspan>\u003C\u002Fp>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcneWxZYzraYgNcuatbsdVdUf\">考试卷子上经常出现这道题:\"二维码属于( )A.一维码 B.快速响应码 C.条形码 D.加密码\",很多人选C,结果标准答案是B。今天就把这个问题说清楚,顺便聊聊二维码有哪些分类,以及日常使用时要注意什么。\u003C\u002Fdiv>\u003Ch2 class=\"heading-2 ace-line old-record-id-doxcnV8hQmXfuxusn2O6vWGKfrg\">二维码的标准答案:快速响应码\u003C\u002Fh2>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcn5F5SFmwpwXmmt5H6718Y1g\">二维码的英文全称是Quick Response Code,直译就是\"快速响应码\"。1994年诞生于日本汽车零部件制造商Denso Wave,最初是为了在生产线上快速识别零件信息。\u003C\u002Fdiv>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnc1c4Ya3q3wSXvvYMsIRADh\">和传统条形码只能横向存储信息不同,二维码同时利用横向和纵向空间,所以叫\"二维\"。通过黑白方块的排列组合,能装下最多7089个数字或4296个字母,远超条形码的几十个字符。\u003C\u002Fdiv>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnrPdhbH9mxzyiX7aCXMjLse\">现在二维码已经成了信息传递的基础设施:点餐扫码看菜单,付款扫码转账,进门扫码验证身份。这种普及程度,在20年前完全想象不到。\u003C\u002Fdiv>\u003Ch2 class=\"heading-2 ace-line old-record-id-doxcnqmLUyPXrdnzrH3zC50EIEe\">从技术标准看二维码的种类\u003C\u002Fh2>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnuQGlNcYx74Up7w0mzVX4Ag\">虽然我们平时统称\"二维码\",但技术上它有好几个分支。\u003C\u002Fdiv>\u003Ch3 class=\"heading-3 ace-line old-record-id-doxcn4b6yNFYVLipLoYT6jx6Anb\">标准QR码:最常见的黑白方块\u003C\u002Fh3>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnG1glSCDirkf25X4FGEKTOg\">三个角有定位图案,中间密密麻麻全是方块。容错率高,即便被遮挡30%仍能识别。餐厅桌贴、商品包装上用的基本都是这种。\u003C\u002Fdiv>\u003Ch3 class=\"heading-3 ace-line old-record-id-doxcnoaXATHNKa8Q4N3OJ24Fisc\">微型QR码:空间受限时的选择\u003C\u002Fh3>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnM70JR0njKwDSJg7hUSXrum\">当贴码的地方特别小,比如电子元件、药品胶囊,就会用Micro QR码。只有一个定位角,尺寸能缩到标准码的四分之一,但存储容量也相应减少。\u003C\u002Fdiv>\u003Ch3 class=\"heading-3 ace-line old-record-id-doxcnv6pZ3tRFH1x68jx3nDGM8e\">iQR码和SQRC码:特殊需求的进阶版\u003C\u002Fh3>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnuZZdpIHl5hNTieEOF0BMCh\">iQR码可以做成长方形,适合狭长空间,数据容量比标准码大80%。SQRC码则自带加密功能,扫描后需要专用设备才能读取完整信息,常用于工业管理和保密文件。\u003C\u002Fdiv>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnro3KQ6QDAuJCrfc2QNrGze\">抖音的圆形码、微信的小程序码虽然看着像二维码,但它们是企业自研的识别系统,用标准扫码器可能识别不了。\u003C\u002Fdiv>\u003Ch2 class=\"heading-2 ace-line old-record-id-doxcnCrjznB3gFKmXOcdhaMNtyh\">按功能用途划分的四大类\u003C\u002Fh2>\u003Ch3 class=\"heading-3 ace-line old-record-id-doxcn0WRZ3wMvW27buaJO9H11Kd\">支付码:钱包里的常客\u003C\u002Fh3>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnNS9vW6NyKS79ajeSC30Vwg\">微信、支付宝的收款码多是动态码,每次刷新都会变化,防止别人截图盗刷。商家的收款码则是静态码,贴在收银台固定使用。\u003C\u002Fdiv>\u003Ch3 class=\"heading-3 ace-line old-record-id-doxcnPwDM4WnyV6op43owP3Pzxf\">凭证码:电子票据的载体\u003C\u002Fh3>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnYggf1sWwImZOJQnlZZNTDc\">电影票、火车票、演唱会门票上的二维码,把订单信息压缩进去。检票时扫一下,系统就能确认座位号、场次时间,比纸质票方便太多。\u003C\u002Fdiv>\u003Ch3 class=\"heading-3 ace-line old-record-id-doxcnOI1Mxf1M3cK0Qe5iArF6Vg\">信息码:连接线上线下的桥梁\u003C\u002Fh3>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnLCK7hBUDvyuanGXPyd3Rgg\">商品包装上的溯源码,扫完能看到产地、生产日期、物流轨迹。房产中介的名片码,扫完直接保存联系方式到手机。这类码的核心作用是快速传递结构化信息。\u003C\u002Fdiv>\u003Ch3 class=\"heading-3 ace-line old-record-id-doxcnovchkWPEGFUa3x1ENlCEBd\">营销码:商家活动的入口\u003C\u002Fh3>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcn9wLvmxDj4jcWnGCa2kx8xg\">超市促销海报上的码,扫完跳转到优惠券领取页面。线下活动的签到码,扫完自动记录参与信息。通常会配合后台数据统计,帮商家分析用户行为。\u003C\u002Fdiv>\u003Ch2 class=\"heading-2 ace-line old-record-id-doxcnA6EK4jVCtVE5smfzNOnAah\">安全等级的差异要分清\u003C\u002Fh2>\u003Ch3 class=\"heading-3 ace-line old-record-id-doxcnHknSPeFXAzsplpQuyFz1Ad\">公开码与加密码的区别\u003C\u002Fh3>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcn7K2arf6I4dkjoB1gUJyI9d\">餐厅菜单、景区导览图上的码没有访问限制,谁都能扫。风险在于任何人都能仿制一个类似的码贴在旁边,把用户引到钓鱼网站。\u003C\u002Fdiv>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnXJIljZAbUVDcDziBlZ64Nb\">网银转账时生成的二维码,只有对方用指定App扫描才能完成操作。这类码通常有时效限制,几分钟后就失效,安全性高很多。\u003C\u002Fdiv>\u003Ch3 class=\"heading-3 ace-line old-record-id-doxcnR4DdnNsKn61PLz5lB1XU0m\">动态码与静态码的选择\u003C\u002Fh3>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcn6SqWHoiUKFHYb8kdwCfRad\">地铁闸机上的乘车码每60秒刷新一次,即便别人拍下照片也无法重复使用。这种设计有效防止了\"一码多用\"的漏洞。\u003C\u002Fdiv>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnjcsCx6SvDeMLCfgov9IbFd\">企业官网的下载码可能一年都不换,虽然方便,但也容易被不法分子替换成假码。扫这类码时,最好先确认周围有没有可疑的覆盖贴纸。\u003C\u002Fdiv>\u003Ch2 class=\"heading-2 ace-line old-record-id-doxcnV7zuo77JvWqVOE3PWH7V0g\">日常使用的三个实用建议\u003C\u002Fh2>\u003Ch3 class=\"heading-3 ace-line old-record-id-doxcnseQcNLk0ae1BjVpuXWJssh\">扫码前先看来源\u003C\u002Fh3>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcn9f2fZRN4lwg7CSNiQ45gPh\">街边小广告、陌生人发的截图、来路不明的传单,这些地方的码尽量别扫。正规码通常会印在官方物料上,旁边有品牌logo或说明文字。\u003C\u002Fdiv>\u003Ch3 class=\"heading-3 ace-line old-record-id-doxcnOWttT3bT33C8neK5U6tIab\">跳转后核对网址\u003C\u002Fh3>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcn6IfGGgJHk1gGFJl5lI4cvh\">扫完码会跳转到某个页面,这时看一眼浏览器地址栏。官方网站的域名通常很规范,比如\"xxx.com\"或\"xxx.cn\"。如果是一串乱码或者陌生域名,赶紧退出。\u003C\u002Fdiv>\u003Ch3 class=\"heading-3 ace-line old-record-id-doxcnJKfZA65YKNo8jwRru8eYyf\">涉及支付多留心\u003C\u002Fh3>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnWGUvf24YwdAk84XGVmtTGf\">任何要求输入支付密码、银行卡号的操作,都要再三确认。正规支付流程会显示商家名称、交易金额,而钓鱼页面往往只有一个输入框,催你赶紧填。\u003C\u002Fdiv>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnSFnBvJGaqRIo8JURXRXMSm\">如果需要生成自己的二维码,选工具时可以关注这几点:是否支持动态更新内容、能否设置访问密码、有没有数据统计功能。像八木屋二维码这类工具,提供了跳转链接配置和自定义提示语,适合需要灵活管理码内容的场景。\u003C\u002Fdiv>\u003Ch2 class=\"heading-2 ace-line old-record-id-doxcn1pVL8NeoFfJy8hQ6y2naMb\">选对工具让二维码更好用\u003C\u002Fh2>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnw1pY58HpQPxwx5L9nsOhJe\">生成二维码的工具很多,但功能差异挺大。有的只能把网址转成码,有的能加logo、换颜色,还有的支持后台修改跳转链接。\u003C\u002Fdiv>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnFqrpevY7QfMHKdvj2eTrne\">比如做活动推广,前期可能跳转到报名页,活动结束后想改成结果公示页。这时如果用的是静态码,就得重新生成、重新印刷。但如果用支持动态跳转的工具,后台改个链接就行,印出去的码不用换。\u003C\u002Fdiv>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcny01OQCBxrIHo7379G6jlPb\">另外,网址越长,二维码的图案就越密集,可能影响识别率。遇到这种情况,可以先用短链接服务把网址压缩,或者选择支持活码跳转的工具。八木屋二维码在这方面做得比较细致,支持设置填写成功后的提示语,还能配置多个跳转链接,适合需要引导用户走完整流程的场景。\u003C\u002Fdiv>\u003Cdiv class=\"ace-line ace-line old-record-id-doxcnrixzTmgF4azEOxzIMhoTth\">回到最开始那道选择题:二维码属于快速响应码,这是它的官方身份。但在实际应用中,又被细分成支付码、凭证码、信息码等不同类型,安全等级和使用场景都不一样。搞清楚这些分类,既能帮你应对考试,也能让日常扫码更安全、更高效。\u003C\u002Fdiv>\u003C\u002Fdiv>\u003Cspan 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