[https://developer.mozilla.org/zh-CN/docs/Web/API/FormData](https://developer.mozilla.org/zh-CN/docs/Web/API/FormData) ~~~ let formData = new FormData(); formData.append('name', '哈哈'); ormData.append('age', '123'); $.ajax({ url: url + id, type: 'POST', data: formData, success: function (result, status, xhr) { console.log('进行业务操作'); } }); ~~~ Promise封装ajax