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  1. 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;
});


自定义封装上传窗口

查看代码

import axios from "axios";
//utils工具看:https://www.cnblogs.com/wxchun/p/15892260.html
import 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 = 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
}
 
 
备注:服务在linux系统合并文件顺序与window系统有点不太一样
出处:https://www.cnblogs.com/wxchun/p/15901870.html
 

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