第二阶段:移动web网页开发

第二阶段:移动web网页开发

H5C3的进阶

VSCODE使用插件:

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字体大小调整: ctrl+ +或者 -

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H5新增标签

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音频标签

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视屏标签

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H5新增表input单类

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伪元素选择器

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flex伸缩布局

meta视口标签

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1PX不是一物理像素,在PC端时 一物理像素等于 1pc

移动端时 有标准制定: 比如ipho8 就是 1比2

背景图片的大小

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让传统盒子变成 C3 的新盒子

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移动端的特殊样式

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移动端技术选型

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移动端常见布局

流式布局(百分比布局)

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flex布局(重点)

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设置主轴

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justify-content设置主轴上子元素排列方式

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flex-wrap设置子元素是否换行

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align-items设置测轴上的子元素排列方式(单行)

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align-content 设置测轴上的子元素的排列方式(多行)

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复合属性 flex-flow

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子项常见素性

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第三种布局:rem适配布局(市场流行)

rem单位

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媒体查询

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媒体查询+rem实现元素动态大小变化

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媒体查询中的引入资源

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less基础

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上面是less文件的示范内容

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less写伪类写伪元素的时候

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rem适配方案

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cssrem的默认大小是 1rem=16px,需要更改设置是这样然后cssroot就可以看见了

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移动web响应式布局(第四种布局)

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Bootstrap前端开发框架

用这框架清除浮动,直接加类名:clearfix即可

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posted @ 2021-01-17 19:24  啊方不方  阅读(115)  评论(0编辑  收藏  举报