html5 FileaReader怎么样分段读取文件
/* * ArrayBuffer to String * var str=Uint8ToString(new Uint8Array(arrayBufferData)); * */ function Uint8ToString(u8a){ var CHUNK_SZ = 0x8000; var c = []; for (var i=0; i < u8a.length; i+=CHUNK_SZ) { c.push(String.fromCharCode.apply(null, u8a.subarray(i, i···