【发布时间】:2018-11-23 20:35:50
【问题描述】:
我有这行代码
<div class="user-post-image"> </div>
<input type="file" name="upload-image" id="upload-image" required />
我有这张图片
data:image/png;base64,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
,我已将其保存到我的电脑中,但我不想这样做。当我实际上传这张图片时,网页会使用
更改 div 元素的 innerHTML<img src='data:image/png;base64....'>
我上传的图片。所以我试图通过javascript改变这个(div),但它不允许我继续前进。不幸的是,它需要在输入元素上获取某种值,这是必需的。如何通过“给”输入文件标记图像的数据uri“值”来上传我的图像?
【问题讨论】:
标签: javascript file input data-uri