Trying to create a multiple files + text block upload. Using RoR, AngularJS, you'll see some Bootstrap stuff too. Been searching SO and Google for about an hour, though admittedly it's just running in circles and I feel there should be a simple error. Here's the erb :Trying to create a multiple files + text block
阅读背景：
multipart / form-data，使用ajax上传多个文件
来源：互联网
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