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多文件上传接口后台api应该返回什么格式的json数据? #869
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额,这个接口跟后台返回格式无关,主要是调用callback时传入一个数组就好了,数组格式如下:
至于上传失败如何处理,则需要业务方自行实现相关异常的处理机制哈 |
搞定了~ 贴出来给后来的参考下: function fileUploadMulti(files, callback) {
const formData = new FormData();
for (let i = 0; i < files.length; i++) {
formData.append("files", files[i]);
}
axios
.post("/upload", formData, {
headers: { "Content-Type": "multipart/form-data" },
})
.then((response) => {
const { data } = response;
let succ = data.succList;
let err = data.errList;
const promises = [];
for (let i = 0; i < succ.length; i++) {
const promise = new Promise((resolve) => {
...
});
promises.push(promise);
}
for (let i = 0; i < err.length; i++) {
const promise = new Promise((resolve) => {
...
});
promises.push(promise);
}
Promise.all(promises).then((results) => {
callback(results);
});
})
.catch((error) => {
console.log("err");
console.error(error);
}); 后台返回数据格式: {
"msg": "",
"data": {
"errList": [],
"succList": [
{
"name": "test1.png",
"path": "/file/99262f59.png",
"type": "image/png"
},
{
"name": "test2.png",
"path": "/file/134f201a.png",
"type": "image/png"
}
]
},
"status": 0
} |
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看了下 文档中的example 没看懂。
1、请问多文件上传,只是在文件选择框中允许多选文件了,实际上传时还是遍历文件数组,调用单文件上传接口一个一个去上传的?还是文件数组作为一个参数、在一个request中上传所有文件?在example的代码没看到哪里是发送request的上传请求呢,从example中的for循环 for (const file of files) {...} 看,似乎还是一个一个上传的
2、多文件上传会有传成功的,也会有失败的,example中没看到失败处理的相关代码?
3、后台api应该返回什么样的json格式呢?
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