我目前正在尝试设计一种可兼容多种屏幕尺寸的布局。下面列出了我正在设计的屏幕尺寸:

屏幕尺寸:

1. 640x480
2. 800x600
3. 1024x768
4. 1280x1024(及更大)

我遇到的问题是创建 css3 媒体查询，这样当窗口的宽度达到这些宽度之一时我的布局就会发生变化。下面是我目前正在使用的媒体查询示例，但它对我不起作用，所以我想知道是否有人可以帮助我修复它。

<link rel="stylesheet" type="text/css" media="screen and (max-width: 700px)" href="css/devices/screen/layout-modify1.css">
<link rel="stylesheet" type="text/css" media="screen and (min-width: 701px) and (max-width: 900px)" href="css/devices/screen/layout-modify2.css">
<link rel="stylesheet" type="text/css" media="screen and (max-width: 901px)" href="css/devices/screen/layout-modify3.css">

我尝试使用一组新的媒体查询，但它们仍然不适合我。有人可以帮我解释一下我做错了什么吗？你们中的一些人已经尝试过解释，但我不明白。新的媒体查询显示如下:

<link rel="stylesheet" type="text/css" media="screen and (max-width: 640px)" href="css/devices/screen/layout-modify1.css">

    <link rel="stylesheet" type="text/css" media="screen and (max-width: 800px)" href="css/devices/screen/layout-modify2.css">

    <link rel="stylesheet" type="text/css" media="screen and (max-width: 1024px)" href="css/devices/screen/layout-modify3.css">

    <link rel="stylesheet" type="text/css" media="screen and (max-width: 1280px)" href="css/devices/screen/layout-modify4.css">

最佳答案

将所有内容放在一个文档中并使用它:

/* Smartphones (portrait and landscape) ----------- */
@media only screen 
and (min-device-width : 320px) 
and (max-device-width : 480px) {
  /* Styles */
}

/* Smartphones (landscape) ----------- */
@media only screen 
and (min-width : 321px) {
  /* Styles */
}

/* Smartphones (portrait) ----------- */
@media only screen 
and (max-width : 320px) {
  /* Styles */
}

/* iPads (portrait and landscape) ----------- */
@media only screen 
and (min-device-width : 768px) 
and (max-device-width : 1024px) {
  /* Styles */
}

/* iPads (landscape) ----------- */
@media only screen 
and (min-device-width : 768px) 
and (max-device-width : 1024px) 
and (orientation : landscape) {
  /* Styles */
}

/* iPads (portrait) ----------- */
@media only screen 
and (min-device-width : 768px) 
and (max-device-width : 1024px) 
and (orientation : portrait) {
  /* Styles */
}

/* Desktops and laptops ----------- */
@media only screen 
and (min-width : 1224px) {
  /* Styles */
}

/* Large screens ----------- */
@media only screen 
and (min-width : 1824px) {
  /* Styles */
}

/* iPhone 4 - 5s ----------- */
@media
only screen and (-webkit-min-device-pixel-ratio : 1.5),
only screen and (min-device-pixel-ratio : 1.5) {
  /* Styles */
}

/* iPhone 6 ----------- */
@media
only screen and (max-device-width: 667px) 
only screen and (-webkit-device-pixel-ratio: 2) {
  /* Styles */
}

/* iPhone 6+ ----------- */
@media
only screen and (min-device-width : 414px) 
only screen and (-webkit-device-pixel-ratio: 3) {
  /*** You've spent way too much on a phone ***/
}

/* Samsung Galaxy S7 Edge ----------- */
@media only screen
and (-webkit-min-device-pixel-ratio: 3),
and (min-resolution: 192dpi)and (max-width:640px) {
 /* Styles */
}

来源:http://css-tricks.com/snippets/css/media-queries-for-standard-devices/

在这一点上，我肯定会考虑使用 em 值而不是像素。有关更多信息，请查看此帖子:https://zellwk.com/blog/media-query-units/ .

关于html - 屏幕尺寸的 CSS 媒体查询，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/13847755/