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导入文件时候 new FormData()
2022-04-23 05:53:00 【Time202051】
formData中append数组的时候要JSON.stringify(arr) 否者直接arr会变成字符串
const files = e.target.files
const formdata = new FormData();
formdata.append("file", files[0]);
//注意
Object.keys(obj).forEach(item=>{
formdata.append(item, JSON.stringify(arr))
})
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https://blog.csdn.net/weixin_45890414/article/details/122918550
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