如何从几种尺寸的图像创建缩略图？
[英]How to create a thumbnail from a several sizes of images?
问题描述
I got a web page in JSP, the page is showing several images which being uploaded from the user in any size, the goal is to show each image as a thumbnail. 
我在JSP中有一个网页，该页面显示了几张图像，这些图像是从用户以任何大小上传的，目的是将每张图像显示为缩略图。
Currently I made a style to img tag with: height="20%" width="auto" and it's good enough for medium and large images, but when the image is small it makes it very small. 目前，我为img标签制作了一种样式，其height="20%" width="auto" ： height="20%" width="auto" ，对于中等大小和较大的图像来说已经足够了，但是当图像很小时，它会变得非常小。
How can I make the images in the same size? 如何制作相同尺寸的图像？
1 个解决方案
解决方案1
1 已采纳 2017-08-08 07:55:15
Set the height to an absolute value. 将height设置为绝对值。 For example: 例如：
<img height="200px" width="auto">
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