formdata 和 json 互转

const json2formData = (jsonData)=>{
	const formData = new FormData();
	Object.keys(jsonData).forEach((key) => {
		formData.append(key, jsonData[key]);
	});
    return formData;
}
const formData2Json = (formData)=>{
	var jsonData = {};
	formData.forEach((value, key) => jsonData[key] = value);
	return jsonData;
}

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https://www.cnblogs.com/laneyfu/p/10495897.html   formdata 和 json 互转