这里就不一一讲解所有的方法了,重点讲一下其中的 consume 、_getString 和_getBuffer。 2.2.3.1. consume 源码地址:BufferList.consume comsume 代码语言:javascript 代码运行次数:0 运行 AI代码解释 // Consumes a specified amount of bytes or characters from the buffered data.consume(n,hasStrings){constdata=...
loadFile (url: string): void { PdfJs.GlobalWorkerOptions.workerSrc = require('pdfjs-dist/build/pdf.worker.entry') const loadingTask = PdfJs.getDocument(url) loadingTask.promise.then((pdf) => { this.pdfDoc = pdf this.pdfPages = this.pdfDoc.numPages this.$nextTick(() => { this.rend...
Blob URL/Object URL 是一种伪协议,允许将 Blob 和 File 对象用作图像、二进制数据下载链接等的 URL 源。<!-- 通过 Object URL 展示和下载图片 --> <!DOCTYPE html> const input = document.getElementById("input"); const img = document.getElementById("img"); input.onchange = (e) => ...
const fileInput = document.getElementById("fileInput"); fileInput.onchange = (e) => { console.log(e.target.files); } 当点击上传文件时,控制台就会输出一个 FileList 数组,这个数组的每个元素都是一个 File 对象,一个上传的文件就对应一个 File 对象: 每个File对象都包含文件的一些属性,这些属性都继...
1.表单提交方式:post (get方式提交有大小限制,post没有) 2.表单的enctype属性:必须设置为multipart/form-data. 3.表单必须有文件上传项:file,且文件项需要给定name值 上传文件夹需要增加一个属性webkitdirectory,像这样: 不过webkitdirectory属性有个问题,只能支持高版本的chrome,不能支持低版本的IE...
String formName = intent.getStringParam(AbilitySlice.PARAM_FORM_NAME_KEY); int dimension = intent.getIntParam(AbilitySlice.PARAM_FORM_DIMENSION_KEY, DEFAULT_DIMENSION_2X2); HiLog.info(TAG, "onCreateForm: formId=" + formId + ",formName=" + formName); FormControllerManager formControllerManage...
// 与后端接口建立连接 sseEventListener(url:string, eventListeners:Record<string, (event: MessageEvent) => void>, query?: Record<string, any>) : Promise<SseSocket>; // 建立连接后获得的对象 interface SseSocket { addListener(eventName: string, listener: (event: MessageEvent) => void): Promi...
Instead, you just need to parse some HTML, and get a DOM object you can manipulate. For that, we have fragment(), which creates a DocumentFragment from a given string: const frag = JSDOM.fragment(`HelloHi!`); frag.childNodes.length === 2; frag.querySelector("strong").textContent ==...
[290a5ab8ca] - doc: clarify napi_get_value_string_* for bufsize 0 (Tobias Nießen) #58158[c26863a683] - doc: fix typo of file http.md, outgoingMessage.setTimeout section (yusheng chen) #58188[62dbd36dcb] - doc: update return types for eventNames method in EventEmitter (Yukihiro ...
String mimeType = URLConnection.guessContentTypeFromName(rawFilePath); try { Resource resource = getResourceManager().getRawFileEntry(rawFilePath).openRawFile(); ResourceResponse response = new ResourceResponse(mimeType, resource, null); return response; ...