大文件切片上传到服务器

SparkMD5工具

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/* SparkMD5  - https://github.com/satazor/js-spark-md5 *//* SparkMD5  - https://codechina.csdn.net/mirrors/satazor/js-spark-md5/-/blob/master/spark-md5.js *///spark-md5 begin(function (factory) {  if (typeof exports === "object") {    module.exports = factory();  } else if (typeof define === "function" && define.amd) {    define(factory);  } else {    var glob;    try {      glob = window;    } catch (e) {      glob = self;    }    glob.SparkMD5 = factory();  }})(function (undefined) {  "use strict";  var add32 = function (a, b) {      return (a + b) & 4294967295;    },    hex_chr = [      "0",      "1",      "2",      "3",      "4",      "5",      "6",      "7",      "8",      "9",      "a",      "b",      "c",      "d",      "e",      "f",    ];  function cmn(q, a, b, x, s, t) {    a = add32(add32(a, q), add32(x, t));    return add32((a << s) | (a >>> (32 - s)), b);  }  function md5cycle(x, k) {    var a = x[0],      b = x[1],      c = x[2],      d = x[3];    a += (((b & c) | (~b & d)) + k[0] - 680876936) | 0;    a = (((a << 7) | (a >>> 25)) + b) | 0;    d += (((a & b) | (~a & c)) + k[1] - 389564586) | 0;    d = (((d << 12) | (d >>> 20)) + a) | 0;    c += (((d & a) | (~d & b)) + k[2] + 606105819) | 0;    c = (((c << 17) | (c >>> 15)) + d) | 0;    b += (((c & d) | (~c & a)) + k[3] - 1044525330) | 0;    b = (((b << 22) | (b >>> 10)) + c) | 0;    a += (((b & c) | (~b & d)) + k[4] - 176418897) | 0;    a = (((a << 7) | (a >>> 25)) + b) | 0;    d += (((a & b) | (~a & c)) + k[5] + 1200080426) | 0;    d = (((d << 12) | (d >>> 20)) + a) | 0;    c += (((d & a) | (~d & b)) + k[6] - 1473231341) | 0;    c = (((c << 17) | (c >>> 15)) + d) | 0;    b += (((c & d) | (~c & a)) + k[7] - 45705983) | 0;    b = (((b << 22) | (b >>> 10)) + c) | 0;    a += (((b & c) | (~b & d)) + k[8] + 1770035416) | 0;    a = (((a << 7) | (a >>> 25)) + b) | 0;    d += (((a & b) | (~a & c)) + k[9] - 1958414417) | 0;    d = (((d << 12) | (d >>> 20)) + a) | 0;    c += (((d & a) | (~d & b)) + k[10] - 42063) | 0;    c = (((c << 17) | (c >>> 15)) + d) | 0;    b += (((c & d) | (~c & a)) + k[11] - 1990404162) | 0;    b = (((b << 22) | (b >>> 10)) + c) | 0;    a += (((b & c) | (~b & d)) + k[12] + 1804603682) | 0;    a = (((a << 7) | (a >>> 25)) + b) | 0;    d += (((a & b) | (~a & c)) + k[13] - 40341101) | 0;    d = (((d << 12) | (d >>> 20)) + a) | 0;    c += (((d & a) | (~d & b)) + k[14] - 1502002290) | 0;    c = (((c << 17) | (c >>> 15)) + d) | 0;    b += (((c & d) | (~c & a)) + k[15] + 1236535329) | 0;    b = (((b << 22) | (b >>> 10)) + c) | 0;    a += (((b & d) | (c & ~d)) + k[1] - 165796510) | 0;    a = (((a << 5) | (a >>> 27)) + b) | 0;    d += (((a & c) | (b & ~c)) + k[6] - 1069501632) | 0;    d = (((d << 9) | (d >>> 23)) + a) | 0;    c += (((d & b) | (a & ~b)) + k[11] + 643717713) | 0;    c = (((c << 14) | (c >>> 18)) + d) | 0;    b += (((c & a) | (d & ~a)) + k[0] - 373897302) | 0;    b = (((b << 20) | (b >>> 12)) + c) | 0;    a += (((b & d) | (c & ~d)) + k[5] - 701558691) | 0;    a = (((a << 5) | (a >>> 27)) + b) | 0;    d += (((a & c) | (b & ~c)) + k[10] + 38016083) | 0;    d = (((d << 9) | (d >>> 23)) + a) | 0;    c += (((d & b) | (a & ~b)) + k[15] - 660478335) | 0;    c = (((c << 14) | (c >>> 18)) + d) | 0;    b += (((c & a) | (d & ~a)) + k[4] - 405537848) | 0;    b = (((b << 20) | (b >>> 12)) + c) | 0;    a += (((b & d) | (c & ~d)) + k[9] + 568446438) | 0;    a = (((a << 5) | (a >>> 27)) + b) | 0;    d += (((a & c) | (b & ~c)) + k[14] - 1019803690) | 0;    d = (((d << 9) | (d >>> 23)) + a) | 0;    c += (((d & b) | (a & ~b)) + k[3] - 187363961) | 0;    c = (((c << 14) | (c >>> 18)) + d) | 0;    b += (((c & a) | (d & ~a)) + k[8] + 1163531501) | 0;    b = (((b << 20) | (b >>> 12)) + c) | 0;    a += (((b & d) | (c & ~d)) + k[13] - 1444681467) | 0;    a = (((a << 5) | (a >>> 27)) + b) | 0;    d += (((a & c) | (b & ~c)) + k[2] - 51403784) | 0;    d = (((d << 9) | (d >>> 23)) + a) | 0;    c += (((d & b) | (a & ~b)) + k[7] + 1735328473) | 0;    c = (((c << 14) | (c >>> 18)) + d) | 0;    b += (((c & a) | (d & ~a)) + k[12] - 1926607734) | 0;    b = (((b << 20) | (b >>> 12)) + c) | 0;    a += ((b ^ c ^ d) + k[5] - 378558) | 0;    a = (((a << 4) | (a >>> 28)) + b) | 0;    d += ((a ^ b ^ c) + k[8] - 2022574463) | 0;    d = (((d << 11) | (d >>> 21)) + a) | 0;    c += ((d ^ a ^ b) + k[11] + 1839030562) | 0;    c = (((c << 16) | (c >>> 16)) + d) | 0;    b += ((c ^ d ^ a) + k[14] - 35309556) | 0;    b = (((b << 23) | (b >>> 9)) + c) | 0;    a += ((b ^ c ^ d) + k[1] - 1530992060) | 0;    a = (((a << 4) | (a >>> 28)) + b) | 0;    d += ((a ^ b ^ c) + k[4] + 1272893353) | 0;    d = (((d << 11) | (d >>> 21)) + a) | 0;    c += ((d ^ a ^ b) + k[7] - 155497632) | 0;    c = (((c << 16) | (c >>> 16)) + d) | 0;    b += ((c ^ d ^ a) + k[10] - 1094730640) | 0;    b = (((b << 23) | (b >>> 9)) + c) | 0;    a += ((b ^ c ^ d) + k[13] + 681279174) | 0;    a = (((a << 4) | (a >>> 28)) + b) | 0;    d += ((a ^ b ^ c) + k[0] - 358537222) | 0;    d = (((d << 11) | (d >>> 21)) + a) | 0;    c += ((d ^ a ^ b) + k[3] - 722521979) | 0;    c = (((c << 16) | (c >>> 16)) + d) | 0;    b += ((c ^ d ^ a) + k[6] + 76029189) | 0;    b = (((b << 23) | (b >>> 9)) + c) | 0;    a += ((b ^ c ^ d) + k[9] - 640364487) | 0;    a = (((a << 4) | (a >>> 28)) + b) | 0;    d += ((a ^ b ^ c) + k[12] - 421815835) | 0;    d = (((d << 11) | (d >>> 21)) + a) | 0;    c += ((d ^ a ^ b) + k[15] + 530742520) | 0;    c = (((c << 16) | (c >>> 16)) + d) | 0;    b += ((c ^ d ^ a) + k[2] - 995338651) | 0;    b = (((b << 23) | (b >>> 9)) + c) | 0;    a += ((c ^ (b | ~d)) + k[0] - 198630844) | 0;    a = (((a << 6) | (a >>> 26)) + b) | 0;    d += ((b ^ (a | ~c)) + k[7] + 1126891415) | 0;    d = (((d << 10) | (d >>> 22)) + a) | 0;    c += ((a ^ (d | ~b)) + k[14] - 1416354905) | 0;    c = (((c << 15) | (c >>> 17)) + d) | 0;    b += ((d ^ (c | ~a)) + k[5] - 57434055) | 0;    b = (((b << 21) | (b >>> 11)) + c) | 0;    a += ((c ^ (b | ~d)) + k[12] + 1700485571) | 0;    a = (((a << 6) | (a >>> 26)) + b) | 0;    d += ((b ^ (a | ~c)) + k[3] - 1894986606) | 0;    d = (((d << 10) | (d >>> 22)) + a) | 0;    c += ((a ^ (d | ~b)) + k[10] - 1051523) | 0;    c = (((c << 15) | (c >>> 17)) + d) | 0;    b += ((d ^ (c | ~a)) + k[1] - 2054922799) | 0;    b = (((b << 21) | (b >>> 11)) + c) | 0;    a += ((c ^ (b | ~d)) + k[8] + 1873313359) | 0;    a = (((a << 6) | (a >>> 26)) + b) | 0;    d += ((b ^ (a | ~c)) + k[15] - 30611744) | 0;    d = (((d << 10) | (d >>> 22)) + a) | 0;    c += ((a ^ (d | ~b)) + k[6] - 1560198380) | 0;    c = (((c << 15) | (c >>> 17)) + d) | 0;    b += ((d ^ (c | ~a)) + k[13] + 1309151649) | 0;    b = (((b << 21) | (b >>> 11)) + c) | 0;    a += ((c ^ (b | ~d)) + k[4] - 145523070) | 0;    a = (((a << 6) | (a >>> 26)) + b) | 0;    d += ((b ^ (a | ~c)) + k[11] - 1120210379) | 0;    d = (((d << 10) | (d >>> 22)) + a) | 0;    c += ((a ^ (d | ~b)) + k[2] + 718787259) | 0;    c = (((c << 15) | (c >>> 17)) + d) | 0;    b += ((d ^ (c | ~a)) + k[9] - 343485551) | 0;    b = (((b << 21) | (b >>> 11)) + c) | 0;    x[0] = (a + x[0]) | 0;    x[1] = (b + x[1]) | 0;    x[2] = (c + x[2]) | 0;    x[3] = (d + x[3]) | 0;  }  function md5blk(s) {    var md5blks = [],      i;    for (i = 0; i < 64; i += 4) {      md5blks[i >> 2] =        s.charCodeAt(i) +        (s.charCodeAt(i + 1) << 8) +        (s.charCodeAt(i + 2) << 16) +        (s.charCodeAt(i + 3) << 24);    }    return md5blks;  }  function md5blk_array(a) {    var md5blks = [],      i;    for (i = 0; i < 64; i += 4) {      md5blks[i >> 2] =        a[i] + (a[i + 1] << 8) + (a[i + 2] << 16) + (a[i + 3] << 24);    }    return md5blks;  }  function md51(s) {    var n = s.length,      state = [1732584193, -271733879, -1732584194, 271733878],      i,      length,      tail,      tmp,      lo,      hi;    for (i = 64; i <= n; i += 64) {      md5cycle(state, md5blk(s.substring(i - 64, i)));    }    s = s.substring(i - 64);    length = s.length;    tail = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];    for (i = 0; i < length; i += 1) {      tail[i >> 2] |= s.charCodeAt(i) << (i % 4 << 3);    }    tail[i >> 2] |= 128 << (i % 4 << 3);    if (i > 55) {      md5cycle(state, tail);      for (i = 0; i < 16; i += 1) {        tail[i] = 0;      }    }    tmp = n * 8;    tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);    lo = parseInt(tmp[2], 16);    hi = parseInt(tmp[1], 16) || 0;    tail[14] = lo;    tail[15] = hi;    md5cycle(state, tail);    return state;  }  function md51_array(a) {    var n = a.length,      state = [1732584193, -271733879, -1732584194, 271733878],      i,      length,      tail,      tmp,      lo,      hi;    for (i = 64; i <= n; i += 64) {      md5cycle(state, md5blk_array(a.subarray(i - 64, i)));    }    a = i - 64 < n ? a.subarray(i - 64) : new Uint8Array(0);    length = a.length;    tail = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];    for (i = 0; i < length; i += 1) {      tail[i >> 2] |= a[i] << (i % 4 << 3);    }    tail[i >> 2] |= 128 << (i % 4 << 3);    if (i > 55) {      md5cycle(state, tail);      for (i = 0; i < 16; i += 1) {        tail[i] = 0;      }    }    tmp = n * 8;    tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);    lo = parseInt(tmp[2], 16);    hi = parseInt(tmp[1], 16) || 0;    tail[14] = lo;    tail[15] = hi;    md5cycle(state, tail);    return state;  }  function rhex(n) {    var s = "",      j;    for (j = 0; j < 4; j += 1) {      s += hex_chr[(n >> (j * 8 + 4)) & 15] + hex_chr[(n >> (j * 8)) & 15];    }    return s;  }  function hex(x) {    var i;    for (i = 0; i < x.length; i += 1) {      x[i] = rhex(x[i]);    }    return x.join("");  }  if (hex(md51("hello")) !== "5d41402abc4b2a76b9719d911017c592") {    add32 = function (x, y) {      var lsw = (x & 65535) + (y & 65535),        msw = (x >> 16) + (y >> 16) + (lsw >> 16);      return (msw << 16) | (lsw & 65535);    };  }  if (typeof ArrayBuffer !== "undefined" && !ArrayBuffer.prototype.slice) {    (function () {      function clamp(val, length) {        val = val | 0 || 0;        if (val < 0) {          return Math.max(val + length, 0);        }        return Math.min(val, length);      }      ArrayBuffer.prototype.slice = function (from, to) {        var length = this.byteLength,          begin = clamp(from, length),          end = length,          num,          target,          targetArray,          sourceArray;        if (to !== undefined) {          end = clamp(to, length);        }        if (begin > end) {          return new ArrayBuffer(0);        }        num = end - begin;        target = new ArrayBuffer(num);        targetArray = new Uint8Array(target);        sourceArray = new Uint8Array(this, begin, num);        targetArray.set(sourceArray);        return target;      };    })();  }  function toUtf8(str) {    if (/[\u0080-\uFFFF]/.test(str)) {      str = unescape(encodeURIComponent(str));    }    return str;  }  function utf8Str2ArrayBuffer(str, returnUInt8Array) {    var length = str.length,      buff = new ArrayBuffer(length),      arr = new Uint8Array(buff),      i;    for (i = 0; i < length; i += 1) {      arr[i] = str.charCodeAt(i);    }    return returnUInt8Array ? arr : buff;  }  function arrayBuffer2Utf8Str(buff) {    return String.fromCharCode.apply(null, new Uint8Array(buff));  }  function concatenateArrayBuffers(first, second, returnUInt8Array) {    var result = new Uint8Array(first.byteLength + second.byteLength);    result.set(new Uint8Array(first));    result.set(new Uint8Array(second), first.byteLength);    return returnUInt8Array ? result : result.buffer;  }  function hexToBinaryString(hex) {    var bytes = [],      length = hex.length,      x;    for (x = 0; x < length - 1; x += 2) {      bytes.push(parseInt(hex.substr(x, 2), 16));    }    return String.fromCharCode.apply(String, bytes);  }  function SparkMD5() {    this.reset();  }  SparkMD5.prototype.append = function (str) {    this.appendBinary(toUtf8(str));    return this;  };  SparkMD5.prototype.appendBinary = function (contents) {    this._buff += contents;    this._length += contents.length;    var length = this._buff.length,      i;    for (i = 64; i <= length; i += 64) {      md5cycle(this._hash, md5blk(this._buff.substring(i - 64, i)));    }    this._buff = this._buff.substring(i - 64);    return this;  };  SparkMD5.prototype.end = function (raw) {    var buff = this._buff,      length = buff.length,      i,      tail = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],      ret;    for (i = 0; i < length; i += 1) {      tail[i >> 2] |= buff.charCodeAt(i) << (i % 4 << 3);    }    this._finish(tail, length);    ret = hex(this._hash);    if (raw) {      ret = hexToBinaryString(ret);    }    this.reset();    return ret;  };  SparkMD5.prototype.reset = function () {    this._buff = "";    this._length = 0;    this._hash = [1732584193, -271733879, -1732584194, 271733878];    return this;  };  SparkMD5.prototype.getState = function () {    return {      buff: this._buff,      length: this._length,      hash: this._hash,    };  };  SparkMD5.prototype.setState = function (state) {    this._buff = state.buff;    this._length = state.length;    this._hash = state.hash;    return this;  };  SparkMD5.prototype.destroy = function () {    delete this._hash;    delete this._buff;    delete this._length;  };  SparkMD5.prototype._finish = function (tail, length) {    var i = length,      tmp,      lo,      hi;    tail[i >> 2] |= 128 << (i % 4 << 3);    if (i > 55) {      md5cycle(this._hash, tail);      for (i = 0; i < 16; i += 1) {        tail[i] = 0;      }    }    tmp = this._length * 8;    tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);    lo = parseInt(tmp[2], 16);    hi = parseInt(tmp[1], 16) || 0;    tail[14] = lo;    tail[15] = hi;    md5cycle(this._hash, tail);  };  SparkMD5.hash = function (str, raw) {    return SparkMD5.hashBinary(toUtf8(str), raw);  };  SparkMD5.hashBinary = function (content, raw) {    var hash = md51(content),      ret = hex(hash);    return raw ? hexToBinaryString(ret) : ret;  };  SparkMD5.ArrayBuffer = function () {    this.reset();  };  SparkMD5.ArrayBuffer.prototype.append = function (arr) {    var buff = concatenateArrayBuffers(this._buff.buffer, arr, true),      length = buff.length,      i;    this._length += arr.byteLength;    for (i = 64; i <= length; i += 64) {      md5cycle(this._hash, md5blk_array(buff.subarray(i - 64, i)));    }    this._buff =      i - 64 < length ?      new Uint8Array(buff.buffer.slice(i - 64)) :      new Uint8Array(0);    return this;  };  SparkMD5.ArrayBuffer.prototype.end = function (raw) {    var buff = this._buff,      length = buff.length,      tail = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],      i,      ret;    for (i = 0; i < length; i += 1) {      tail[i >> 2] |= buff[i] << (i % 4 << 3);    }    this._finish(tail, length);    ret = hex(this._hash);    if (raw) {      ret = hexToBinaryString(ret);    }    this.reset();    return ret;  };  SparkMD5.ArrayBuffer.prototype.reset = function () {    this._buff = new Uint8Array(0);    this._length = 0;    this._hash = [1732584193, -271733879, -1732584194, 271733878];    return this;  };  SparkMD5.ArrayBuffer.prototype.getState = function () {    var state = SparkMD5.prototype.getState.call(this);    state.buff = arrayBuffer2Utf8Str(state.buff);    return state;  };  SparkMD5.ArrayBuffer.prototype.setState = function (state) {    state.buff = utf8Str2ArrayBuffer(state.buff, true);    return SparkMD5.prototype.setState.call(this, state);  };  SparkMD5.ArrayBuffer.prototype.destroy = SparkMD5.prototype.destroy;  SparkMD5.ArrayBuffer.prototype._finish = SparkMD5.prototype._finish;  SparkMD5.ArrayBuffer.hash = function (arr, raw) {    var hash = md51_array(new Uint8Array(arr)),      ret = hex(hash);    return raw ? hexToBinaryString(ret) : ret;  };  return SparkMD5;});

【大文件切片上传到服务器】自定义封装上传窗口

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import axios from "axios";//utils工具看：https://www.cnblogs.com/wxchun/p/15892260.htmlimport utils from "@/utils";const localUploadFile = {  upload: function (files) {    // console.log(files, "upload");    this.file = files[0]; //上传文件资源    this.fileName = this.file.name; //资源名称    this.fileSize = this.file.size; //资源大小    this.partList = [], //切片数组      this.partsize = 0; //切片大小    this.savedPath = ""; //保存路径    this.hash = "",      this.blobSlice =      File.prototype.slice ||      File.prototype.mozSlice ||      File.prototype.webkitSlice;    this.i = 0;    this.funArr = [];    this.isFail = false;    if (!this.blobSlice) {      this.$message.error('错误：上传组件不被此浏览器支持');      return;    }    if (this.fileSize == 0) {      this.$message.error('错误：无效的文件大小');      return;    }    if (this.fileName.substring(        this.fileName.lastIndexOf(".") + 1,        this.fileName.length      ) === "") {      this.$message.error('错误：无效的文件类型');      return;    }    // this.preprocess();    this.sendCheckChunk();  },  /**   * [sendRequest 文件检查]   */  sendCheckChunk: async function () {    let buffer = await utils.fileParse(this.file, "buffer"),      spark = new SparkMD5.ArrayBuffer();    spark.append(buffer);    this.hash = spark.end();    axios      .get("/apicc/v1/checkChunk", {        params: {          'hash': this.hash        }      }, {        headers: {          'Content-Type': 'application/json;charset=UTF-8',        },      })      .then((res) => {        console.log(res, "res");        if (res.data && res.data.code == "200") {          this.preprocess();        } else {          this.$message.error(res.data.msg);        }      })      .catch((XMLHttpRequest, textStatus, errorThrown) => {        this.$message.error('网络报错');      });  },  /**   * [preprocess 预处理]   */  preprocess: function () {　//设置切片大小    let chunkCount = Math.ceil(this.fileSize / 20971520)    // let chunkCount = Math.ceil(this.fileSize / 838860800)    let partList = [],      cur = 0,      partsize = this.fileSize / chunkCount; //一份的大小    let suffix = /\.([0-9a-zA-Z]+)$/i.exec(this.fileName)[1];    let lastdot = this.fileName.lastIndexOf(".");    let fileName = this.fileName.substring(0, lastdot);    for (let i = 0; i < chunkCount; i++) {      let item = {        file: this.file.slice(cur, cur + partsize),        hash: this.hash,        fileName: `${this.hash}_${i}.${suffix}`,      };      cur += partsize;      partList.push(item);    }    this.partList = partList;    // console.log(this, "this");    this.sendRequest();    // this.sendCheckChunk();  },  /**   * [sendRequest 发送请求]   */  sendRequest: function () {    // 根据100个切片创造100个请求（集合）    let chunkCount = Math.ceil(this.fileSize / 20971520)    let requestList = [];    console.log(this.fileName, "this.fileName");    this.partList.forEach((item, index) => {      // 每一个函数都是发送一个切片的请求      let fun = () => {        let formData = https://tazarkount.com/read/new FormData();        // formData.append("file", item.chunk); //新增切片文件        // formData.append("chunkindex", index); //切片索引        // formData.append("chunktotal", chunkCount); //切片总数        // formData.append("filesize", this.fileSize); //文件总大小        // formData.append("srcFileName", this.fileName); //文件总大小        formData.append("hash", item.hash);        formData.append("file", item.file);        formData.append("fileName", item.fileName);        return axios          .post("/apicc/v1/uploadChunk", formData, {            headers: {              "Content-Type": "multipart/form-data"            },          })          .then((result) => {            result = result.data;            console.log(result, "result124");            if (result.code == 200) {              console.log(result, "result");              // this.isFail = false;              this.savedPath = result.data && result.data.pathfile || "";              if (this.percent) {                let percent = parseInt(((this.i + 1) / chunkCount) * 100);                this.percent(percent);              }              // 传完的切片我们把它移除掉              this.partList.splice(index, 1);            } else {              // this.isFail = true;              this.err({                "msg": result.msg              })            }          }).catch((v) => {            // if (this.err) {            //   this.err(v)            // }            console.log(v);            // this.isFail = true;          });      };      requestList.push(fun);    });    this.funArr = requestList;    this.i = 0;    this.uploadChunk();  },  uploadChunk: async function () {    if (this.i >= this.funArr.length) {      //已上传全部      if (this.callback) {        // this.callback(this, this.file, "http://39.103.229.29:7002" + this.savedPath);        let _this = this        console.log(_this.fileName, "_this");        console.log(_this.hash);        axios          .get("/apicc/v1/mergeChunk", {            params: {              'fileName': _this.fileName,              'hash': _this.hash            }          }, {            headers: {              'Content-Type': 'application/json;charset=UTF-8',              // 'Content-Type': 'application/x-www-form-urlencoded',            },          })          .then((res) => {            res = res.data;            console.log(res, "result124");            if (res.code == 200) {              if (res.data && res.data.fileUrl) {                this.callback(this, this.file, "http://"+document.domain+":7002" + res.data.fileUrl);              } else {                this.err({                  "msg": "合并不成功"                })              }            } else {              // this.isFail = true;              this.err({                "msg": res.msg              })            }          })          .catch((XMLHttpRequest, textStatus, errorThrown) => {            this.$message.error('网络报错');          });      }      return    }    await this.funArr[this.i]();    this.i++;    this.uploadChunk();  },  /**   * [progress 上传进度]   * @param  {Function} callback [回调]   * @return {[type]}            [实例]   */  progress: function (callback) {    this.percent = callback;    return this;  },  /**   * [success 上传成功]   * @param  {Function} callback [回调]   * @return {[type]}            [实例]   */  success: function (callback) {    this.callback = callback;    return this;  },  /**   * [success 上传失败]   * @param  {Function} callback [回调]   * @return {[type]}            [实例]   */  fail: function (callback) {    this.err = callback;    return this;  }}export const aetherupload = function () {  var newInstance = Object.create(localUploadFile);  return newInstance}