前端js对象转formData
function paramsToFormData(obj) { const formData = new FormData(); Object.keys(obj).forEach((key) => { if (obj[key] instanceof Array) { obj[key].forEach((item) => { formData.append(key, item); }); return; } formData.append(key, obj[key]); }); return formData; }
原文：https://www.cnblogs.com/xuchunlin/p/14949290.html