本文介绍了在本机反应中将base64字符串转换为图像的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着跟版网的小编来一起学习吧！
问题描述
Problem
I created a social media app with expo's react native, and wanted to add the ability to upload images. Since expo won't let you convert a file to a blob to upload, I just uploaded the base64 image data as a string to the server database. How can I convert this data into the viewable image again after I download the data from off of the server?
解决方案
You can do this:
var base64Icon = 'data:image/png;base64,iVBORw0KGgoAAAANS...';
<Image style={{width: 50, height: 50}} source={{uri: base64Icon}}/>
In the base64Icon variable you need to put your base64 data after data:image/png;base64,. Like this:
var base64Icon = 'data:image/png;base64,{PLACE_YOUR_BASE64_DATA_HERE}';
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