day01张益瑄（笔记下半+作业）

12.HTML字符编码使用原则原则1存储时务必采用合适的字符编码/ 否则无法存储数据会丢失原则2存储时用哪种方式编码读取时就用哪种方式编码/ 否则数据错乱乱码编写meta charsetUTF-8 /13.HTML排版标签h1/h1 h2/h2 h3/h3 h4/h4 h5/h5 h6/h6 pp divdiv14.块级元素与行内因素15.文本标签16.不常用的文本标签作业!DOCTYPE html html langzh-CN head meta charsetUTF-8 title作业/title style h2{ color: darkblue; } h3{ color: grey; } /style /head body h2 aligncenter 梅花/h2 h3 aligncenter2~4/h3 div aligncenter img width100 hight150 srcC2.png img width100 hight150 srcC3.png img width100 hight150 srcC4.png /div h2 aligncenter方片/h2 h3 aligncenter5~7/h3 div aligncenter img width100 hight150 srcD5.png img width100 hight150 srcD6.png img width100 hight150 srcD7.png /div h2 aligncenter红桃/h2 h3 aligncenter8~10/h3 div aligncenter img width100 hight150 srcH8.png img width100 hight150 srcH9.png img width100 hight150 srcH10.png /div h2 aligncenter黑桃/h2 h3 aligncenterj~k/h3 div aligncenter img width100 hight150 srcSJ.png img width100 hight150 srcSQ.png img width100 hight150 srcSK.png img width100 hight150 srcSA.png /div /body /html