react文件分片上传
参考文档：
https://blog.csdn.net/weixin_39887846/article/details/113492372
https://juejin.cn/post/6844904046436843527
index主文件：
import type { FC } from 'react';
import { useState } from 'react';
import request from './request';
import { Button, Input, Card, Space, message } from 'antd';
import { useModel } from 'umi';
import ProgressBox from './Progress';
import qs from 'qs';
import { checkChunkUploadComplete, uploadPackage } from './service';
import { CloudUploadOutlined } from '@ant-design/icons';
import styles from './index.less';
export type UpLoadFileChunkProps = {
params?: any /** 额外参数 */;
disabled?: boolean;
auto?: boolean /**是否需要自动请求接口获取文件信息 */;
onChange?: (values: any) => void;
};
/**
* 大文件分片上传组件
*
* @description 开发中
*/
const UpLoadFileChunk: FC<UpLoadFileChunkProps> = (props) => {
const { params = {}, disabled = false, onChange, auto = false } = props || {};
const chunkSize = 50 * 1024 * 1024; // 文件切片大小
const [sourceFile, setSourceFile] = useState<any>(null);
const [importLoading, setImportLoading] = useState<boolean>(false);
const [chunksData, setChunksData] = useState<any[]>([]);
const [progressStatus, setProgressStatus] = useState<any>('normal');
const [, setPercentageTotal] = useState<any>(0);
const { initialState } = useModel('@@initialState');
// 获取包体信息
const getPackageInfo = async (file_url: string) => {
try {
const res = await uploadPackage({
filename: sourceFile.name,
file_url,
...params,
});
const { code, result = {} } = res;
if (code === 0) {
if (onChange) onChange(result || undefined);
}
setImportLoading(false);
} catch (error) {
//
} finally {
//
}
};
// 校验文件请求
const mergeRequest = async (chunks: number, fileHash: any) => {
try {
const res = await checkChunkUploadComplete({
filename: sourceFile.name,
file_size: sourceFile.size,
chunks,
fileHash,
user_id: initialState?.currentUser?.id || '',
});
const { code, message: resMessage, result } = res;
if (code === 0) {
if (auto) {
getPackageInfo(result.file_url || '');
} else {
if (onChange)
onChange({ file_url: result.file_url || '', filename: sourceFile.name || '' });
}
setImportLoading(false);
setProgressStatus('success');
} else {
message.error(resMessage || '文件校验失败');
setProgressStatus('exception');
setImportLoading(false);
}
} catch (error) {
//
} finally {
//
}
};
// 计算文件hash
const calculateHash = (chunkList: any) => {
return new Promise((resolve) => {
const w = new Worker('/hash.js');
w.postMessage({ chunkList: chunkList });
w.onmessage = (e) => {
const { percentage, hash } = e.data;
setPercentageTotal(percentage);
if (hash) {
// 当hash计算完成时，执行resolve
resolve(hash);
}
};
});
};
// 拆分文件
const splitFile = (file: any, size = chunkSize) => {
const fileChunkList = [];
let cur = 0;
while (cur < file.size) {
fileChunkList.push({ chunk: file.slice(cur, cur + size) });
cur += size;
}
return fileChunkList;
};
// 选择文件
const handleFileChange = (e: any) => {
const { files } = e.target;
if (files.length === 0) return;
// 保存源文件
setSourceFile(files[0]);
setChunksData([]);
setProgressStatus('normal');
// 文件分片
// eslint-disable-next-line @typescript-eslint/no-use-before-define
splitFile(files[0]);
};
// 上传分片
const uploadChunks = async (uploadChunksData: any, fileHash: any) => {
const formDataList = uploadChunksData.map((item: any, index: number) => {
const formData = new FormData();
formData.append('file', item.chunk);
const allParams = {
...params,
chunk: item.hash,
chunks: uploadChunksData.length,
is_chunk: 1,
filename: sourceFile?.name,
fileHash: item.fileHash,
user_id: initialState?.currentUser?.id || '',
};
formData.append('data', qs.stringify({ ...allParams })); // 接口需要的其他参数
return { formData, index };
});
const requestList = formDataList.map((item: any, index: number) => {
return request({
// url: '/common/chunkUpload',
url: '/pack/apkChunkUpload',
data: item.formData,
onProgress: (e: any) => {
const list = [...uploadChunksData];
list[index].progress = parseInt(String((e.loaded / e.total) * 100));
setChunksData(list);
setProgressStatus('active');
},
});
});
// 上传文件
await Promise.all(requestList).then(
(resList) => {
if (resList && resList.length) {
// 所有请求都回来就发起校验
if (resList.length === uploadChunksData.length) {
mergeRequest(resList.length, fileHash);
}
}
},
(y) => {
console.log(y);
},
);
};
// 上传文件
const handleUpload = async () => {
if (!sourceFile) {
alert('请先选择文件');
return;
}
setImportLoading(true);
// 拆分文件
const chunkList = splitFile(sourceFile);
// 计算hash
calculateHash(chunkList);
// [断点续传+秒传功能]当前文件的hash标识
const containerHash = await calculateHash(chunkList);
// 续传&秒传
// const { shouldUpload, uploadedList } = await verifyUpload(
// sourceFile.name, containerHash
// );
// if (!shouldUpload) {
// message.success('文件上传成功')
// return;
// }
const chunksDataList = chunkList.map(({ chunk }, index) => ({
chunk: chunk,
hash: index,
progress: 0,
fileHash: containerHash,
}));
// 保存分片数据
setChunksData(chunksDataList);
// 开始上传分片
uploadChunks(chunksDataList, containerHash);
};
// 暂停
// const handlePause = () => {
// chunksData.forEach((xhr) => xhr?.abort());
// setChunksData([]);
// };
// 续传
// const handleResume = async () => {
// const { uploadedList } = await verifyUpload(sourceFile.name, containerHash);
// uploadChunks(uploadedList);
// };
return (
<div>
<div>
<a
href="javascript:;"
className={`${styles['file']}${disabled ? ` ${styles[`file-disabled`]}` : ''}`}
>
选择文件
<Input
type="file"
onChange={handleFileChange}
style={{ display: disabled ? 'none' : 'inline-block' }}
accept="*.apk"
/>
</a>
</div>
{sourceFile?.name && (
<Card
title={sourceFile?.name}
size="small"
extra={
<Space>
<Button
disabled={disabled}
type="primary"
shape="round"
onClick={handleUpload}
size="small"
loading={importLoading}
key="uploadButton"
>
<CloudUploadOutlined />
上传
</Button>
{/* <Button type="primary" shape="round" onClick={handlePause} size="small" key="uploadPause">
暂停
</Button>
<Button type="primary" shape="round" onClick={handleResume} size="small" key="uploadContinue">
继续
</Button> */}
</Space>
}
>
{/* <Progress
percent={Number(percentageTotal.toFixed(2))}
size="small"
status={progressStatus || 'normal'}
/> */}
<ProgressBox
chunkList={chunksData}
progressStatus={progressStatus || 'normal'}
size={sourceFile.size}
/>
</Card>
)}
</div>
);
};
export default UpLoadFileChunk;
不太重要的样式文件：
@import '~antd/es/style/themes/default.less';
.file {
position: relative;
display: inline-block;
height: 32px;
padding: 0 12px;
overflow: hidden;
color: rgba(0, 0, 0, 0.85);
font-size: 14px;
line-height: 32px;
background: #fff;
border: 1px solid #d9d9d9;
input {
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
z-index: 0;
opacity: 0;
}
&:hover {
color: #40a9ff;
border-color: #40a9ff;
}
&-disabled {
color: rgba(0, 0, 0, 0.25);
background: #f5f5f5;
border-color: #d9d9d9;
input {
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
z-index: 0;
opacity: 0;
}
}
}
进度条文件：
import type { FC } from 'react';
import { useMemo } from 'react';
import { Progress } from 'antd';
export type ProgressBoxProps = {
chunkList?: any[];
progressStatus?: 'success' | 'exception' | 'active' | 'normal';
size?: number;
};
const ProgressChunk: FC<ProgressBoxProps> = ({
chunkList = [],
progressStatus = 'normal',
size = 0,
}) => {
const sumProgress = useMemo(() => {
if (chunkList.length === 0) return 0;
return (chunkList.reduce((pre, cur) => pre + cur.progress / 100, 0) * 100) / chunkList.length;
// const loaded = chunkList
// .map((item) => item.size * item.percentage)
// .reduce((acc, cur) => acc + cur);
// return parseInt((loaded / size).toFixed(2));
// return (
// (chunkList.reduce((pre, cur: { progress: number }) => pre + cur.progress / 100, 0) * 100) /
// chunkList.length
// );
}, [chunkList, size]);
return (
<Progress
percent={Number(sumProgress.toFixed(2))}
size="small"
status={progressStatus || 'normal'}
/>
);
};
export default ProgressChunk;
request文件：
import { getToken } from '@/utils/token';
export type Props = {
url?: string;
method?: string;
data?: any;
file?: any;
onProgress?: any;
requestList?: any[];
};
const request = (props: Props) => {
const { url, method = 'post', data, onProgress } = props;
return new Promise((resolve) => {
const xhr = new XMLHttpRequest();
const { pathname } = window.location;
const headers = {
...(getToken() ? { Authorization: `Bearer ${getToken()}` } : {}),
'refer-uri': pathname,
};
xhr.open(
method,
`http://172.16.7.77:8080${url}`,
// process.env.NODE_ENV === 'production' ? `//xxxxx${url}` : `//xxxxxx:8080${url}`,
);
Object.keys(headers).forEach((key) => xhr.setRequestHeader(key, headers[key]));
xhr.upload.onprogress = onProgress;
xhr.send(data);
xhr.onload = (e: any) => {
// 将请求成功的 xhr 从列表中删除
// if (requestList) {
// const xhrIndex = requestList.findIndex(item => item === xhr);
// requestList.splice(xhrIndex, 1);
// }
resolve({
data: e?.target?.response,
});
};
// 暴露当前 xhr 给外部
// requestList?.push(xhr);
});
};
export default request;
public文件夹下的hash文件和md5文件：
// 导入脚本
self.importScripts('/spark-md5.min.js');
// 生成文件 hash
self.onmessage = e => {
const {
chunkList
} = e.data;
const spark = new self.SparkMD5.ArrayBuffer();
let percentage = 0;
let count = 0;
const loadNext = (index) => {
const reader = new FileReader();
reader.readAsArrayBuffer(chunkList[index].chunk);
reader.onload = (event) => {
count++;
spark.append(event.target.result);
if (count === chunkList.length) {
self.postMessage({
percentage: 100,
hash: spark.end(),
});
self.close();
} else {
percentage += 100 / chunkList.length;
self.postMessage({
percentage,
});
loadNext(count);
}
};
};
loadNext(count);
};
(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.slice()}};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});
