一个对象中存在两个相同属性重叠解决方法
//let obj ={
//a:1,
//a:2
// }
let formData = new FormData();
for (let i = 0; i < direction.length; i++) {
formData.append('file', direction[i])
formData.append('buckName', 'interfacedata')
formData.append('related_id', '1111111')
}
for (let [a, b] of formData.entries()) {
console.log(a, b, '--------------');
}