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1.@media screen realizes the adaptability of web page layout
Advantages: No plug-ins are required, it can adapt to various window sizes, just Add the @media screen attribute to CSS.
Official documentation: @media can set different styles for different screen sizes. Especially if you need to set up a responsive page, @media is very useful.
Syntax: @media mediatype and|not|only (media feature) { CSS-Code; }
/* 屏幕宽度大于 1200px 则 h5 的字体颜色是black */ h5{ color: black; } @media screen and (max-width: 1200px){ h5{ color: #eee; } } /* h5字体颜色为红色,屏幕宽度只有在869px 与900px之间生效 */ @media screen and (min-width: 869px) and (max-width: 900px){ h5{ color: red; } } /* 屏幕宽度小于 320px 则 h5 的字体大小是20px */ @media only screen and (max-width: 320px){ h5{ font-size: 20px; } }
Then I started to contact the mobile terminal adaptation.
2.rem adaptation
This method is an original article by CSDN blogger "sxs1995", blog.csdn.net/sxs1995/art…
The calculation unit is 640px = 6.40rem,
When the width of the design draft is 750px, i = 750; When the width of the design draft is 640px, i = 640.
Disadvantages: When the page is loaded for the first time, the line will flash for 1-2 seconds, and the user experience of previewing on the mobile phone is not good
!function(n){ var e=n.document, t=e.documentElement, i=720, d=i/100, o="orientationchange"in n?"orientationchange":"resize", a=function(){ var n=t.clientWidth||320;n>720&&(n=720); t.style.fontSize=n/d+"px" }; e.addEventListener&&(n.addEventListener(o,a,!1),e.addEventListener("DOMContentLoaded",a,!1)) }(window);
3. Use @media to implement rem adaptation
Advantages: When the screen width changes, you only need to modify the font-size in the Html element to adapt
/* 不同屏幕宽度,设置不同的font-size */ @media screen and (width:750px){html{font-size:100px}} @media screen and (width:749px){html{font-size:99.87px}} @media screen and (width:748px){html{font-size:99.73px}} ... @media screen and (width:321px){html{font-size:42.8px}} @media screen and (width:320px){html{font-size:42.67px}}
4. Use vw to customize rem adaptive layout
I saw author JowayYoung’s article on flexible use of CSS development skills on Nuggets. One of them is: Use vw to customize rem adaptive layout
Advantages: Using rem layout on the mobile terminal requires setting the font-size of different screen aspect ratios through JS. Combining vw units and calc() can break away from the control of JS
/* 基于UI width=750px DPR=2的页面 */ html { font-size: calc(100vw / 7.5); }
Currently, I have used all the above methods. Considering the amount of code, I mainly use vw to customize the rem adaptive layout. Do you have any other better suggestions? I will refer to it carefully, thank you.
Recommended tutorial: "CSS Tutorial"
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