遍历formData对象数据
const formData = new FormData();
formData.append(“user”, '用脑袋行走的人');
formData.append('age', 18);
//第一种
for (var value of formData.values()) {
console.log(value);
}
//第二种
for (var [key, valuefor] of formData) {
console.log(key, value);
}
//第三种
for (var key of formData.keys()) {
console.log(key, formData.get(key));
}