// 创建FormData对象 var formData = new FormData(); // 添加文件 var fileInput = document.getElementById('fileInput'); var files = fileInput.files; for (var i = 0; i < files.length; i++) { formData.append('files', files[i]); } // 添加对象数组 var objects = [{ name: 'object...
* * @param {Object|Array} obj The object to iterate * @param {Function} fn The callback to invoke for each item */ //循环一个数组或者一个对象,为每一个元素或者属性调用function function forEach(obj, fn) { // Don't bother if no value provided if (obj === null || typeof obj =...
或者： int array[]; 这两种定义方式是等价的，不过第一种更符合Java的编程规范。 上面只是声明了...
if (this.body instanceof HttpParams) { return 'application/x-www-form-urlencoded;charset=UTF-8'; } // Arrays, objects, and numbers will be encoded as JSON. if (typeof this.body === 'object' || typeof this.body === 'number' || Array.isArray(this.body)) { return 'application/...
FormData 对象的使用地址:https://developer.mozilla.org/zh-CN/docs/Web/API/FormData/Using_FormData_Objects 一、XMLHttpRequest 2.0的家臣们 我大学那会儿,一个称为Ajax的东西对前端行业造成了深远影响,不仅是JS语言,而包括前端地位、职位... 查看原文 ...
Returns an array of all the values associated with a given key from within a FormData. FormData.has() Returns whether a FormData object contains a certain key. FormData.keys() Returns an iterator iterates through all keys of the key/value pairs contained in the FormData. FormData.set() Sets...
I really wanna thank you for this solution, and I wanna Ask you please, what if I have an array of objects called Questions that has another array of objects called choices what should I do then so I can send my data to the controller ? like this: questions:[ { question_text: null...
Creating FormData Objects To create a FormData object, simply instantiate it using the FormData() constructor. You can also see everything inside a FormData instance by calling the entries method on it. The method returns a nested array, each member would contain a key and a value: async fu...
当您调用form.save()时,它会返回模型实例,这样您就可以像这样从中获取实例 def form_valid(self, form): form.instance.user = self.request.user date_instance = form.save() photos = self.request.FILES.getlist('image') for photo in photos: Photo.objects.create(date=date_instance, image=photo) ...
{(ArrayBufferLike | ArrayBufferView | File | Blob | string)[]}blobParts – AnArraystrings, orArrayBuffer,ArrayBufferView,Blobobjects, or a mix of any of such objects, that will be put inside theBlob; {object}[options = {}] - An options object containing optional attributes for the file....