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Xiaoqiang’s road to HTML5 mobile development (1) - Introduction to HTML

黄舟Original: 2017-01-22 10:17:251287browse

HTML is the abbreviation of HyperText Markup Language (Hypertext Markup Language), which is a combination of text and tags that constitute the basic structure of all web pages.

1. Popular browsers currently on the market

IE/Chrome/firefox/opera

Xiaoqiang’s road to HTML5 mobile development (1) - Introduction to HTML

Xiaoqiang’s road to HTML5 mobile development (1) - Introduction to HTML

Chrome/firefox/opera and IE 9/10 are all very compatible with HTML5

2. HTML tags

html tags all start with ""End of brackets

such as

Commonly used attributes are: id, class, style, title

id: This attribute provides a name for the object pointed to by the label

class: This attribute provides a class name for the object

style: This attribute applies a corresponding css style

title: Give the object a title, which most browsers will prompt when the mouse passes over it.

We will use the tag in the subsequent Android development. Let's take a look at a use of the tag. , is also our helloword.

<html>  
    <head>  
        <title>first html</title>  
<!--refresh:刷新-->  
        <meta http-equiv="refresh" content="1;url=http://blog.csdn.net/dawanganban&#39;">  
<!-- 表示每隔1秒向url地址刷新 -->  
        <meta http-equiv="content-type" content="text/html;charset=utf-8">  
<!--引入一个样式文件-->  
        <link rel="stylesheet" type="text/css" href="style.css">  
      
    </head>  
    <body>  
        hello word  
    <body>  
</html>

3. Important Marks

(1) Link

target="_black": Open the link in a new window

target="_selt": Default value, in the current window Open

(2) Image link

<a href="地址" border="0"><img  src="test.jpg" alt="Xiaoqiang’s road to HTML5 mobile development (1) - Introduction to HTML" ></a>

border attribute value: In order to remove the default border.

(3) Send an email

<a href="mailto:739299362@qq.com?subject=hello">发邮件</a>
 （4）锚点（在同一页面进行跳转）
<a name="top">跳到这里</a>
<a href="#top">跳到top</a>

(5) Table

<table border="1" width="60%" cellpadding="10" cellspacing="0">
<tr><td>表格一</td><td>表格二</td></tr><tr><td>BIAOGE</td><td>BIAOGE</td></tr>
</table>

Alignment of the table

align attribute: horizontal alignment. Value: left (default): left/rignt/center
valign attribute: vertical alignment. Value: top/bottom (default)/middle
Irregular table
colspan attribute: merge horizontal cells (merge columns)
rowspan attribute: merge vertical cells (merge rows)
Table Can be nested
Complete definition of table

<table>
<caption>主题</caption>   只能是0个或者1个
<thead>表头</thead>       只能是0个或者1个
<tfoot>表脚</tfoot>
<tbody>表体</tbody>
</table>

(6) Form

<form action="服务器端的一个程序" method="get/post">
<!--input标记-->
<!--非input标记-->
      </form>
      1)input标记：
文本输入框:<input type="text" name="username" value="缺省值"/><!--必须加name-->
提交按钮： <input type="submit" value="确认"/>
密码输入框：<input type="password" name="pwd"/> <!--必须加name-->
单选：<input type="radio" name="gender" value="m"/><!--必须加name和value-->
   <!--同一组name必须相同-->
多选：<input type="checkbox" name="interest" value="fishing"/>
重置：<input type="reset" value="取消"/>
普通按钮：<input type="button" value="点我吧"/>
上传文件：<input type="file" name="file1"/>
隐藏域：<input type="hidden" name="userId" value="123">
      2)非input标记

Drop-down list:

<select name="city" multiple="multiple">
<option value="bj">北京</option>
<option value="wh">武汉</option>
<option value="nj">南京</option>
</select>
<!--加上mutiple属性就成为多选了-->

Multi-line text input box:

<textarea name="desc" cols="" rows=""></textarea>

(7) List
Unordered list:

<ul>
<li>item1</li>
<li>item2</li>
</ul>

Ordered list:

<ol>
<li>item1</li>
<li>item2</li>
<ol>

(8) Frame

The function is to divide a large window into many sub-windows

<frameset rows="200,300,*">  <!--划分为三个窗口-->
<frameset rows="20%,*">  <!--按照百分比划分-->
<frame src="top.html"/>
<frameset cols="30%,*"/>
<frame src="left.html"/>
<frame src="right.html"/>
</frameset>
</frameset>
<iframe>

The function is to embed a sub-window in the current window

<iframe src="some.html" width="" height="">
</iframe>

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