JavaWeb_01_html基本学习
*:first-child {
margin-top: 0 !important;
}
.markdown-body>*:last-child {
margin-bottom: 0 !important;
}
.markdown-body .headeranchor-link {
position: absolute;
top: 0;
bottom: 0;
left: 0;
display: block;
padding-right: 6px;
padding-left: 30px;
margin-left: -30px;
}
.markdown-body .headeranchor-link:focus {
outline: none;
}
.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
position: relative;
margin-top: 1em;
margin-bottom: 16px;
font-weight: bold;
line-height: 1.4;
}
.markdown-body h1 .headeranchor,
.markdown-body h2 .headeranchor,
.markdown-body h3 .headeranchor,
.markdown-body h4 .headeranchor,
.markdown-body h5 .headeranchor,
.markdown-body h6 .headeranchor {
display: none;
color: #000;
vertical-align: middle;
}
.markdown-body h1:hover .headeranchor-link,
.markdown-body h2:hover .headeranchor-link,
.markdown-body h3:hover .headeranchor-link,
.markdown-body h4:hover .headeranchor-link,
.markdown-body h5:hover .headeranchor-link,
.markdown-body h6:hover .headeranchor-link {
height: 1em;
padding-left: 8px;
margin-left: -30px;
line-height: 1;
text-decoration: none;
}
.markdown-body h1:hover .headeranchor-link .headeranchor,
.markdown-body h2:hover .headeranchor-link .headeranchor,
.markdown-body h3:hover .headeranchor-link .headeranchor,
.markdown-body h4:hover .headeranchor-link .headeranchor,
.markdown-body h5:hover .headeranchor-link .headeranchor,
.markdown-body h6:hover .headeranchor-link .headeranchor {
display: inline-block;
}
.markdown-body h1 {
padding-bottom: 0.3em;
font-size: 2.25em;
line-height: 1.2;
border-bottom: 1px solid #eee;
}
.markdown-body h2 {
padding-bottom: 0.3em;
font-size: 1.75em;
line-height: 1.225;
border-bottom: 1px solid #eee;
}
.markdown-body h3 {
font-size: 1.5em;
line-height: 1.43;
}
.markdown-body h4 {
font-size: 1.25em;
}
.markdown-body h5 {
font-size: 1em;
}
.markdown-body h6 {
font-size: 1em;
color: #777;
}
.markdown-body p,
.markdown-body blockquote,
.markdown-body ul,
.markdown-body ol,
.markdown-body dl,
.markdown-body table,
.markdown-body pre,
.markdown-body .admonition {
margin-top: 0;
margin-bottom: 16px;
}
.markdown-body hr {
height: 4px;
padding: 0;
margin: 16px 0;
background-color: #e7e7e7;
border: 0 none;
}
.markdown-body ul,
.markdown-body ol {
padding-left: 2em;
}
.markdown-body ul ul,
.markdown-body ul ol,
.markdown-body ol ol,
.markdown-body ol ul {
margin-top: 0;
margin-bottom: 0;
}
.markdown-body li>p {
margin-top: 16px;
}
.markdown-body dl {
padding: 0;
}
.markdown-body dl dt {
padding: 0;
margin-top: 16px;
font-size: 1em;
font-style: italic;
font-weight: bold;
}
.markdown-body dl dd {
padding: 0 16px;
margin-bottom: 16px;
}
.markdown-body blockquote {
padding: 0 15px;
color: #777;
border-left: 4px solid #ddd;
}
.markdown-body blockquote>:first-child {
margin-top: 0;
}
.markdown-body blockquote>:last-child {
margin-bottom: 0;
}
.markdown-body table {
display: block;
width: 100%;
overflow: auto;
word-break: normal;
word-break: keep-all;
}
.markdown-body table th {
font-weight: bold;
}
.markdown-body table th,
.markdown-body table td {
padding: 6px 13px;
border: 1px solid #ddd;
}
.markdown-body table tr {
background-color: #fff;
border-top: 1px solid #ccc;
}
.markdown-body table tr:nth-child(2n) {
background-color: #f8f8f8;
}
.markdown-body img {
max-width: 100%;
-moz-box-sizing: border-box;
box-sizing: border-box;
}
.markdown-body code,
.markdown-body samp {
padding: 0;
padding-top: 0.2em;
padding-bottom: 0.2em;
margin: 0;
font-size: 85%;
background-color: rgba(0,0,0,0.04);
border-radius: 3px;
}
.markdown-body code:before,
.markdown-body code:after {
letter-spacing: -0.2em;
content: "\00a0";
}
.markdown-body pre>code {
padding: 0;
margin: 0;
font-size: 100%;
word-break: normal;
white-space: pre;
background: transparent;
border: 0;
}
.markdown-body .codehilite {
margin-bottom: 16px;
}
.markdown-body .codehilite pre,
.markdown-body pre {
padding: 16px;
overflow: auto;
font-size: 85%;
line-height: 1.45;
background-color: #f7f7f7;
border-radius: 3px;
}
.markdown-body .codehilite pre {
margin-bottom: 0;
word-break: normal;
}
.markdown-body pre {
word-wrap: normal;
}
.markdown-body pre code {
display: inline;
max-width: initial;
padding: 0;
margin: 0;
overflow: initial;
line-height: inherit;
word-wrap: normal;
background-color: transparent;
border: 0;
}
.markdown-body pre code:before,
.markdown-body pre code:after {
content: normal;
}
/* Admonition */
.markdown-body .admonition {
-webkit-border-radius: 3px;
-moz-border-radius: 3px;
position: relative;
border-radius: 3px;
border: 1px solid #e0e0e0;
border-left: 6px solid #333;
padding: 10px 10px 10px 30px;
}
.markdown-body .admonition table {
color: #333;
}
.markdown-body .admonition p {
padding: 0;
}
.markdown-body .admonition-title {
font-weight: bold;
margin: 0;
}
.markdown-body .admonition>.admonition-title {
color: #333;
}
.markdown-body .attention>.admonition-title {
color: #a6d796;
}
.markdown-body .caution>.admonition-title {
color: #d7a796;
}
.markdown-body .hint>.admonition-title {
color: #96c6d7;
}
.markdown-body .danger>.admonition-title {
color: #c25f77;
}
.markdown-body .question>.admonition-title {
color: #96a6d7;
}
.markdown-body .note>.admonition-title {
color: #d7c896;
}
.markdown-body .admonition:before,
.markdown-body .attention:before,
.markdown-body .caution:before,
.markdown-body .hint:before,
.markdown-body .danger:before,
.markdown-body .question:before,
.markdown-body .note:before {
font: normal normal 16px fontawesome-mini;
-moz-osx-font-smoothing: grayscale;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
line-height: 1.5;
color: #333;
position: absolute;
left: 0;
top: 0;
padding-top: 10px;
padding-left: 10px;
}
.markdown-body .admonition:before {
content: "\f056\00a0";
color: 333;
}
.markdown-body .attention:before {
content: "\f058\00a0";
color: #a6d796;
}
.markdown-body .caution:before {
content: "\f06a\00a0";
color: #d7a796;
}
.markdown-body .hint:before {
content: "\f05a\00a0";
color: #96c6d7;
}
.markdown-body .danger:before {
content: "\f057\00a0";
color: #c25f77;
}
.markdown-body .question:before {
content: "\f059\00a0";
color: #96a6d7;
}
.markdown-body .note:before {
content: "\f040\00a0";
color: #d7c896;
}
.markdown-body .admonition::after {
content: normal;
}
.markdown-body .attention {
border-left: 6px solid #a6d796;
}
.markdown-body .caution {
border-left: 6px solid #d7a796;
}
.markdown-body .hint {
border-left: 6px solid #96c6d7;
}
.markdown-body .danger {
border-left: 6px solid #c25f77;
}
.markdown-body .question {
border-left: 6px solid #96a6d7;
}
.markdown-body .note {
border-left: 6px solid #d7c896;
}
.markdown-body .admonition>*:first-child {
margin-top: 0 !important;
}
.markdown-body .admonition>*:last-child {
margin-bottom: 0 !important;
}
/* progress bar*/
.markdown-body .progress {
display: block;
width: 300px;
margin: 10px 0;
height: 24px;
-webkit-border-radius: 3px;
-moz-border-radius: 3px;
border-radius: 3px;
background-color: #ededed;
position: relative;
box-shadow: inset -1px 1px 3px rgba(0, 0, 0, .1);
}
.markdown-body .progress-label {
position: absolute;
text-align: center;
font-weight: bold;
width: 100%; margin: 0;
line-height: 24px;
color: #333;
text-shadow: 1px 1px 0 #fefefe, -1px -1px 0 #fefefe, -1px 1px 0 #fefefe, 1px -1px 0 #fefefe, 0 1px 0 #fefefe, 0 -1px 0 #fefefe, 1px 0 0 #fefefe, -1px 0 0 #fefefe, 1px 1px 2px #000;
-webkit-font-smoothing: antialiased !important;
white-space: nowrap;
overflow: hidden;
}
.markdown-body .progress-bar {
height: 24px;
float: left;
-webkit-border-radius: 3px;
-moz-border-radius: 3px;
border-radius: 3px;
background-color: #96c6d7;
box-shadow: inset 0 1px 0 rgba(255, 255, 255, .5), inset 0 -1px 0 rgba(0, 0, 0, .1);
background-size: 30px 30px;
background-image: -webkit-linear-gradient(
135deg, rgba(255, 255, 255, .4) 27%,
transparent 27%,
transparent 52%, rgba(255, 255, 255, .4) 52%,
rgba(255, 255, 255, .4) 77%,
transparent 77%, transparent
);
background-image: -moz-linear-gradient(
135deg,
rgba(255, 255, 255, .4) 27%, transparent 27%,
transparent 52%, rgba(255, 255, 255, .4) 52%,
rgba(255, 255, 255, .4) 77%, transparent 77%,
transparent
);
background-image: -ms-linear-gradient(
135deg,
rgba(255, 255, 255, .4) 27%, transparent 27%,
transparent 52%, rgba(255, 255, 255, .4) 52%,
rgba(255, 255, 255, .4) 77%, transparent 77%,
transparent
);
background-image: -o-linear-gradient(
135deg,
rgba(255, 255, 255, .4) 27%, transparent 27%,
transparent 52%, rgba(255, 255, 255, .4) 52%,
rgba(255, 255, 255, .4) 77%, transparent 77%,
transparent
);
background-image: linear-gradient(
135deg,
rgba(255, 255, 255, .4) 27%, transparent 27%,
transparent 52%, rgba(255, 255, 255, .4) 52%,
rgba(255, 255, 255, .4) 77%, transparent 77%,
transparent
);
}
.markdown-body .progress-100plus .progress-bar {
background-color: #a6d796;
}
.markdown-body .progress-80plus .progress-bar {
background-color: #c6d796;
}
.markdown-body .progress-60plus .progress-bar {
background-color: #d7c896;
}
.markdown-body .progress-40plus .progress-bar {
background-color: #d7a796;
}
.markdown-body .progress-20plus .progress-bar {
background-color: #d796a6;
}
.markdown-body .progress-0plus .progress-bar {
background-color: #c25f77;
}
.markdown-body .candystripe-animate .progress-bar{
-webkit-animation: animate-stripes 3s linear infinite;
-moz-animation: animate-stripes 3s linear infinite;
animation: animate-stripes 3s linear infinite;
}
@-webkit-keyframes animate-stripes {
0% {
background-position: 0 0;
}
100% {
background-position: 60px 0;
}
}
@-moz-keyframes animate-stripes {
0% {
background-position: 0 0;
}
100% {
background-position: 60px 0;
}
}
@keyframes animate-stripes {
0% {
background-position: 0 0;
}
100% {
background-position: 60px 0;
}
}
.markdown-body .gloss .progress-bar {
box-shadow:
inset 0 4px 12px rgba(255, 255, 255, .7),
inset 0 -12px 0 rgba(0, 0, 0, .05);
}
/* Multimarkdown Critic Blocks */
.markdown-body .critic_mark {
background: #ff0;
}
.markdown-body .critic_delete {
color: #c82829;
text-decoration: line-through;
}
.markdown-body .critic_insert {
color: #718c00 ;
text-decoration: underline;
}
.markdown-body .critic_comment {
color: #8e908c;
font-style: italic;
}
.markdown-body .headeranchor {
font: normal normal 16px octicons-anchor;
line-height: 1;
display: inline-block;
text-decoration: none;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
.headeranchor:before {
content: '\f05c';
}
.markdown-body .task-list-item {
list-style-type: none;
}
.markdown-body .task-list-item+.task-list-item {
margin-top: 3px;
}
.markdown-body .task-list-item input {
margin: 0 4px 0.25em -20px;
vertical-align: middle;
}
/* Media */
@media only screen and (min-width: 480px) {
.markdown-body {
font-size:14px;
}
}
@media only screen and (min-width: 768px) {
.markdown-body {
font-size:16px;
}
}
@media print {
.markdown-body * {
background: transparent !important;
color: black !important;
filter:none !important;
-ms-filter: none !important;
}
.markdown-body {
font-size:12pt;
max-width:100%;
outline:none;
border: 0;
}
.markdown-body a,
.markdown-body a:visited {
text-decoration: underline;
}
.markdown-body .headeranchor-link {
display: none;
}
.markdown-body a[href]:after {
content: " (" attr(href) ")";
}
.markdown-body abbr[title]:after {
content: " (" attr(title) ")";
}
.markdown-body .ir a:after,
.markdown-body a[href^="javascript:"]:after,
.markdown-body a[href^="#"]:after {
content: "";
}
.markdown-body pre {
white-space: pre;
white-space: pre-wrap;
word-wrap: break-word;
}
.markdown-body pre,
.markdown-body blockquote {
border: 1px solid #999;
padding-right: 1em;
page-break-inside: avoid;
}
.markdown-body .progress,
.markdown-body .progress-bar {
-moz-box-shadow: none;
-webkit-box-shadow: none;
box-shadow: none;
}
.markdown-body .progress {
border: 1px solid #ddd;
}
.markdown-body .progress-bar {
height: 22px;
border-right: 1px solid #ddd;
}
.markdown-body tr,
.markdown-body img {
page-break-inside: avoid;
}
.markdown-body img {
max-width: 100% !important;
}
.markdown-body p,
.markdown-body h2,
.markdown-body h3 {
orphans: 3;
widows: 3;
}
.markdown-body h2,
.markdown-body h3 {
page-break-after: avoid;
}
}
-->
JavaWeb01_html basic
html操作思想
- 使用标签把要操作的数据包起来,通过修改标签的属性值,来实现标签内数据样式的变化
font标签
- 属性:size取值范围1-7 color:英文单词,十六进制数 #ffffff
标题标签 <h1> </h1> ... <h6> </h6>
- 从h1到h6越来越小,自动换行
注释
<!-- html的注释 -->
列表标签
<dl> <dt></dt> <dd></dd> </dl>- 有序
- 无序
图像标签
<img src="图片的路径" width="" height="" alt="" />- alt:浏览器的兼容性很差
路径(相对路径)
- 在同一级目录:直接写
- 在下一层目录:images/1.jpg
- 在上层目录: ../
超链接标签
<a href="路径">显示在页面上的内容</a>
- 打开方式 target=”_self _blank”
- 默认是在当前页面打开
表格标签
<table>
<tr>
<td></td>
<th></th> <!--加粗和居中-->
</tr>
</table>
html的五个规范
- 一个html文件开始标签和结束的标签
<html>和</html> - html包含两部分内容
<head>设置相关信息</head><body>显示在页面上的内容都写在body里面</body>
- html的标签是成对的
- html的代码不区分大小写
- 有些标签,在标签内结束。比如换行:
<br />分割线:<hr />
表单标签
- 可以提交数据到服务器,这个过程可以用表单标签实现
<form>和</form>- action:提交到地址,默认提交到当前页面
- method:表单的提交方式
- 常用的有两种 get和post get默认就是get请求
- enctype: 一般请求下不需要这个属性,做文件上传时候需要设置这个属性
- 面试题目:get和post区别
- get请求地址栏会携带提交的数据,post不会携带
- get请求安全级别较低,post较高
- get请求数据大小的限制,post没有限制
- 输入项:可以输入内容过选择内容的部分
- 大部分的输入项使用
<input type="输入项的类型"/>- 普通输入项:
<input type="text"/> - 密码输入项:
<input type="password"/> - 单选输入项:
<input type="radio"/>
-> 在里面需要属性name
-> name的属性值必须要相同
-> 必须有一个value值 - 复选输入项:
<input type="checkbox"/>
-> 在里面需要属性name
-> name的属性值必须要相同
-> 必须有一个value值 - 文件输入项(在后面上传时侯用到)
-><input type="file"/> - 下拉输入项(不是在input标签里面的)
<select name="birth">
<option value="0">请选择</option>
<option value="1991">1991</option>
<option value="1991">1992</option>
<option value="1991">1993</option>
<option value="1991">1994</option>
</select>
- 文本域
<textarea cols="10" rows=""></textarea> - 隐藏项(不会显示在页面上,但是存在于html代码里面)
<input type="hidden"/> - 提交按钮
<input type="submit"/>
<input type="submit" value="注册"/> - 使用图片提交
<input type="image" src="a.jpg"/>
- 普通输入项:
- 大部分的输入项使用
html中其它的常用标签的使用
b–加粗s–删除线u–下划线i–斜体pre–原样输出sub和sup–下标和上标div–自动换行span–在一行显示
html头标签的使用
- html两部分组成 head和body
- 在head里面的标签就是头标签
- title标签:表示在标签上显示的内容
- <meta>标签:设置页面的一些相关的内容
<meta name="keywords" content="学习,熊出没">–以前的搜索引擎检索方式<meta http-equiv="refresh" content="3; url=https://baidu.com"/>–三秒跳转
- base标签:设置超链接的基本设置
- 可以统一设置超链接的打开方式
<base target="_blank" />–设置全文超链接以新窗口打开
- 可以统一设置超链接的打开方式
- link标签:引入外部文件
- 可以使用link标签引入css文件
框架标签的使用
使用框架标签的时候,不能写在body里面,使用了框架标签,需要把body去掉
<frameset>标签- rows:按照行进行划分
<frameset rows="80, *"> - cols:按照列进行划分
<frameset cols="80, *">
- rows:按照行进行划分
<frame>标签- 具体显示的页面
<frame name="lower_left" src="b.html">
- 具体显示的页面
后记
以上内容只是个人学习的记录,其他未涉及的内容都可以在网络上或手册上查找的到。
另:此笔记是由markdown编写,用sublime编译成的html文档
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