var EventEmitter = require("events").EventEmitter; var util = require("util"); var fs = require("fs"); function FileReader(fileName) { var _self = this; EventEmitter.call(_self); _self.on("stats", function() { fs.stat(fileName, function(error, stats) { if (!error && stats.isFi...
} else { var reader = new FileReader(); reader.readAsDataURL(data); // 转换为base64,可以直接放入a表情href reader.onload = function(e) { // 转换完成,创建一个a标签用于下载 var a = document.createElement('a'); a.download = fileName; a.href = e.target.result; $("body").append(a);...
madiaRecorder.addEventListener("stop", function () { var audioBlob = new Blob(audioChunks); audioChunks = []; var fileReader = new FileReader(); fileReader.readAsDataURL(audioBlob); fileReader.onloadend = function () { var base64String = fileReader.result; socket.emit("audioStream", base64St...
var files = fileinput.files let imgDOMArray = new Array(files.length) let reader = [] let thumbPic = [] progressDOM = document.getElementById('progress-img') for (let i = 0; i < files.length; i++) { reader[i] = new FileReader() thumbPic[i] = document.createElement('div') ...
const spark = new SparkMD5.ArrayBuffer(); const fileReader = new FileReader(); function loadNext() { const start = currentChunk * chunkSize; const end = start + chunkSize >= file.size ? file.size : start + chunkSize; fileReader.readAsArrayBuffer(blobSlice.call(file, start, end)); ...
const reader=newFileReader() reader.readAsArrayBuffer(file) reader.addEventListener('loadend', () =>{ const content=reader.result//生成文件hashspark.append(content) const hash=spark.end() let startIndex= ''let endIndex= ''let contentItem= ''//文件切割for(let i = 0; i < chunkNums; i...
FileReader该接口主要用来把文件读入内存,并且读取文件中的数据。 这样我们就可以通过date url来实现预览了。 var file = document.getElementById(modal_inputFile"").files[0]; if (!file) { return false; } var reader = new FileReader(); reader.readAsDataURL(file); reader.onload = function(e) { va...
let reader = new FileReader(); reader.onload = function (e) { let data = e.target.result; processWb(XLSX.read(data, { type: 'array' })); // XLSX.read()会返回一个workback对象 }; reader.readAsArrayBuffer(f); }; })();
container_id:/foo.txt表示将文件复制到容器的/文件夹。 因此,正确的方法是: new FileReader("/foo.txt") 在docker 中安装 nginx.conf 挂载失败 自己提问自己回答,问题解决了,原因是/etc/nginx\nginx.conf:ro 应该是/etc/nginx/nginx.conf 将文件复制到docker容器 ...
var fileReader = new FileReader(),spark = new SparkMD5.ArrayBuffer(); fileReader.onload = function (e) { spark.append(e.target.result); $self.hash=spark.end(); window.__hash__=$self.hash; var stored=localStorage.getItem('fileUploadInfos'); ...