CSS显示图像调整大小和裁剪

I want to show an image from an URL with a certain width and height even if it has a different size ratio. So I want to resize (maintaining the ratio) and then cut the image to the size I want. I can resize with html img property and I can cut with background-image. How can I do both? Example: This image: Has the size 800x600 pixels and I want to show like an image of 200x100 pixels With img I can resize the image 200x150px: <img style="width: 200px; height: 150px;" src="http://i.stack.imgur.com/wPh0S.jpg"> That gives me this: <img style="width: 200px; height: 150px;" src="https://i.stack.imgur.com/wPh0S.jpg"> And with background-image I can cut the image 200x100 pixels. <div style="background-image: url('https://i.stack.imgur.com/wPh0S.jpg'); width:200px; height:100px; background-position:center;"> </div> Gives me: <div style="background-image:url('https://i.stack.imgur.com/wPh0S.jpg'); width:200px; height:100px; background-position:center;"> </div> How can I do both? Resize the image and then cut it the size I want?

当前回答

有像Filestack这样的服务可以帮你做这件事。

它们获取你的图像url，并允许你使用url参数来调整它的大小。这很简单。

将图像大小调整为200x100，但保持纵横比后，图像将如下所示

整个url看起来像这样

https://process.filestackapi.com/AhTgLagciQByzXpFGRI0Az/resize=width:200/crop=d:[0,25,200,100]/https://i.stack.imgur.com/wPh0S.jpg

但重要的是

resize=width:200/crop=d:[0,25,200,100]

2017-01-25 19:53:15

其他回答

你可以把两种方法结合起来使用。

.crop { 宽度:200 px; 身高:150 px; 溢出:隐藏; ｝ .crop img { 宽度:400 px; 身高:300 px; Margin: -75px 00 -100px; ｝ < div class = "作物”> <img src="https://i.stack.imgur.com/wPh0S.jpg" alt="唐老鸭"> < / div >

您可以使用负边距在<div/>内移动图像。

2009-01-29 20:42:52

<p class="crop"><a href="http://templatica.com" title="Css Templates">
    <img src="img.jpg" alt="css template" /></a></p>

.crop {
    float: left;
    margin: .5em 10px .5em 0;
    overflow: hidden; /* this is important */
    position: relative; /* this is important too */
    border: 1px solid #ccc;
    width: 150px;
    height: 90px;
}
.crop img {
    position: absolute;
    top: -20px;
    left: -55px;
}

2013-04-09 06:30:59

img {
  position: absolute;
  clip: rect(0px, 140px, 140px, 0px);
}

<img src="w3css.gif" width="100" height="140" />

2014-03-12 06:38:49

img {
    position: absolute;
    clip: rect(0px,60px,200px,0px);
}

2015-05-12 04:51:40

<div class="crop">
    <img src="image.jpg"/>
</div>

.crop {
  width: 200px;
  height: 150px;
  overflow: hidden;
}
.crop img {
  width: 100%;
  /*Here you can use margins for accurate positioning of cropped image*/
}

2014-02-28 11:29:32

CSS显示图像调整大小和裁剪

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