微信小程序界面设计小程序中的WXSS(css)选择器课程-属性选择器

13516821613 2021-07-20 03:35:50
css 小程序界面设计


小程序中的WXSS(css)选择器课程-属性选择器

微信小程序交流群:111733917 | 微信小程序从0基础到就业的课程:https://edu.csdn.net/topic/huangjuhua

对带有指定属性的 HTML 元素设置样式。
可以为拥有指定属性的 HTML 元素设置样式,而不仅限于 class 和 id 属性。
注释:只有在规定了 !DOCTYPE 时,IE7 和 IE8 才支持属性选择器。在 IE6 及更低的版本中,不支持属性选择。
属性选择器
下面的例子为带有 title 属性的所有元素设置样式:

[title]
{
color:red;
}

属性和值选择器
下面的例子为 title=“W3School” 的所有元素设置样式:

[title=W3School]
{
border:5px solid blue;
}

属性和值选择器 - 多个值
下面的例子为包含指定值的 title 属性的所有元素设置样式。适用于由空格分隔的属性值:

[title~=hello] { color:red; }

下面的例子为带有包含指定值的 lang 属性的所有元素设置样式。适用于由连字符分隔的属性值:

[lang|=en] { color:red; }

设置表单的样式
属性选择器在为不带有 class 或 id 的表单设置样式时特别有用:

input[type="text"]
{
width:150px;
display:block;
margin-bottom:10px;
background-color:yellow;
font-family: Verdana, Arial;
}
input[type="button"]
{
width:120px;
margin-left:35px;
display:block;
font-family: Verdana, Arial;
}

CSS 选择器参考手册
选择器 描述
[attribute] 用于选取带有指定属性的元素。
[attribute=value] 用于选取带有指定属性和值的元素。
[attribute~=value] 用于选取属性值中包含指定词汇的元素。
[attribute|=value] 用于选取带有以指定值开头的属性值的元素,该值必须是整个单词。
[attribute^=value] 匹配属性值以指定值开头的每个元素。
[attribute$=value] 匹配属性值以指定值结尾的每个元素。
[attribute*=value] 匹配属性值中包含指定值的每个元素。

小程序应用

Wxml代码

<view>
<input type='text' placeholder='文本1' value='文本1' />
<input type='number' placeholder='文本2' value='文本2'/>
</view>

Wxss代码

[type='text']
{
color: orange;
}
[type='number']
{
color: red;
}

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微信小程序界面设计小程序中的WXSS(css)选择器课程-属性选择器

版权声明
本文为[13516821613]所创,转载请带上原文链接,感谢
https://blog.51cto.com/u_13898481/2890406

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