<form method="post" enctype="multipart/form-data" id="upload1">
<p>图片预览：</p>
<img id="preview1" src="/i/eg_tulip.jpg"/>
<input type="file" id="test-image-file" name="test" accept="image/gif, image/jpeg, image/png, image/jpg">
</form>
<form method="post" enctype="multipart/form-data" id="upload2">
<p>图片预览：</p>
<img id="preview2" src="/i/eg_tulip.jpg"/>
<input type="file" id="test-image-file" name="test" accept="image/gif, image/jpeg, image/png, image/jpg">
</form>
<form method="post" enctype="multipart/form-data" id="upload3">
<p>图片预览：</p>
<img id="preview3" src="/i/eg_tulip.jpg"/>
<input type="file" id="test-image-file" name="test" accept="image/gif, image/jpeg, image/png, image/jpg">
</form>
<form method="post" enctype="multipart/form-data" id="upload4">
<p>图片预览：</p>
<img id="preview4" src="/i/eg_tulip.jpg"/>
<input type="file" id="test-image-file" name="test" accept="image/gif, image/jpeg, image/png, image/jpg">
</form>
<form method="post" enctype="multipart/form-data" id="upload5">
<p>图片预览：</p>
<img id="preview5" src="/i/eg_tulip.jpg"/>
<input type="file" id="test-image-file" name="test" accept="image/gif, image/jpeg, image/png, image/jpg">
</form>
想要实现无刷新上传图片生成base64编码的地址，总共五个form 互不干扰，要例子，这个我太会
上传到本地文件夹和生成base64都行，那个简单实现哪个，/抱拳
