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[英]FormData how to get or set boundary in multipart/form-data - Angular
[英]JS FormData sends file as application/ocet-stream, how to set it as multipart/form-data?
如標題所示,我正在嘗試使用以下方法將文件上傳到 Spring Rest Controller:
handleOnChange() {
let inputFile = document.getElementById("file-input");
this.file.file = inputFile.files[0];
this.file.filename = inputFile.value;
}
render() {
return (
<div className="file-input">
<input id="file-input" type="file"
onChange={(event) => this.handleOnChange()} />
</div>
);
}
upload() {
let formData = new FormData();
formData.append("file", this.data.file.file, "/D:/temp/test2.xlf");
formData.append("request", JSON.stringify(request));
let reqOptions = {
method: 'POST',
body: formData
}
fetch('http://127.0.0.1:8081/multi-mt-evaluation/report', reqOptions)
.then(response => response.json())
.then(data => console.log(data));
}
但是當 fetch 被調用時,文件作為 application/octet-stream 發送,是否有一種簡單或更復雜的方法將其設置為 multipart/form-data?
嘗試通過將其添加到您的請求標頭來指定內容類型:
let reqOptions = {
method: 'POST',
body: formData,
headers: {
'Content-Type': 'multipart/form-data',
},
}
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