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files-tool

v0.1.3

Published

file upload download tools

Readme

files-tool

文件工具: 切片上传、切片下载、断点续传

安装

npm i files-tool

上传

引入

npm

import { FileUploader } from 'files-tool'
创建实例
const fileUploader = new FileUploader({
  url: 'http://xxxxxx/api/upload',
  apiParams: {
    token: 'xxxxxx',
  },
  uploadParams: {
    headers: {
      Authorization: 'xxxxxxx',
    },
    chunk_size: 5 * 1024 * 1024,
    max_retries: 3,
    filters: {
      mime_types : [
        { title : "Image files", extensions : "jpg,jpeg,png,doc,docx,xls,xlsx,ppt,pptx,pdf" }, 
        { title : "Zip files", extensions : "zip" }
      ],
      max_file_size : '400mb', //最大只能上传400mb的文件
    },
  },
  events: {
    success: (uid, data) => console.log('success', uid, data),
    uploading: (uid, data) => console.log('uploading', uid, data),
    error: (uid, data) => console.error('error', uid, data),
  },
});

// 开始上传
fileUploader.start(file)
// 暂停上传
fileUploader.pause()
// 继续上传
fileUploader.resume()
// 终止上传
fileUploader.stop()

实例参数

| 参数 | 类型 | 是否必填 | 默认值 | 描述 | | :--------- | :----- | :------- | :------------------ | :--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | url | String | 是 | '' | 存储服务地址 | | apiParams | Object | | | 接口额外参数 | | events | Object | | | 回调事件对象:{ success, uploading, error } success:(uid: 实例 id, data:接口返回结果)uploading:(uid: 实例 id, { percent })error:(uid: 实例 id, error:错误信息{code:错误编码(37926:文件过大),msg:错误信息} ) | | uploadParams | Object | | {} | plupload初始化参数 |

uploadParams (plupload初始化参数)

| 参数 | 类型 | 是否必填 | 默认值 | 描述 | | :--------- | :----- | :------- | :------------------ | :--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | chunk_size | Number | | 0 | 分片大小 | | max_retries | Number | | 0 | 当发生plupload.HTTP_ERROR错误时的重试次数,为0时表示不重试 | | headers | Object | | | HTTP Headers | | filters | Object | | | 文件过滤 | | runtimes | String | | html5 | 上传方式 html5,flash,silverlight,html4 | | unique_names | Boolean | | false | 生成一个唯一的文件名 |

配置详情

实例属性

| 属性 | 类型 | 默认值 | 描述 | | :-------- | :------ | :------------------------ | :-------------------------------------------------------------------------------------------------------------------------- | | settings | Object | | 配置参数 | | uid | String | | 实例 id | | events | Object | | 回调事件对象 | | status | String | '' | 实例状态 ''|'success'|'uploading'|'error'| 'done' '': 未开始(默认状态)success: 上传成功uploading: 上传中error: 上传失败 done: 上传完成 | | files | Array | | 上传队列 | | total | Object | | { size,loaded,uploaded,failed,queued,percent,bytesPerSec } |

实例函数

| 函数 | 参数 | 返回值 | 描述 | | :--------- | :--- | :------- | :----------------------------------------- | | start | file | | 开始上传 | | pause | | | 暂停上传 | | resume | | | 继续上传(断点续传) | | stop | | | 终止并销毁上传任务 |

下载

引入

npm

import { FileDownloader } from 'files-tool'
// vite.config.js
import streamSaverPlugin from 'files-tool/vite-plugin-stream-saver'

plugins: [
  streamSaverPlugin()
]
创建实例
const fileDownloader = new FileDownloader({
  url: 'http://xxxxxx/api/download/123',
  fileName: 'name.pdf',
  events: {
    success: () => console.log('events success'),
    uploading: (data) => console.log('events uploading', data),
    error: (err) => console.error('events error', err),
  },
  chunkSize: 1024 * 1024 * 10,
  totalSize: 689208406,
  apiConfig: {
    headers: {
      Authorization: 'xxxxxx',
    },
    responseType: 'blob',
  },
})

// 开始下载 
fileDownloader.start()
// 暂停下载 
fileDownloader.pause()
// 继续下载
fileDownloader.resume()
// 终止下载
fileDownloader.stop()

实例参数

| 参数 | 类型 | 是否必填 | 默认值 | 描述 | | :--------- | :----- | :------- | :------------------ | :--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | url | String | 是 | '' | 下载地址 | | fileName | String | 是 | '' | 文件名 | | totalSize | String | 是 | 0 | 文件大小 | | chunkSize | Number | | 0 | 切片大小,默认0不切片 | | mitmUrl | String | | '' | mitm.html地址,http默认https://jimmywarting.github.io/StreamSaver.js/mitm.html,https默认/mitm.html | | maxRetries | Number | | 0 | 重试次数,默认0不重试 | | apiConfig | Object | | | 接口配置 | | events | Object | | | 回调事件对象:{ success, uploading, error } success:()uploading:({ percent, status: uploading上传中 retry重试中 })error:(error:错误信息) |

实例属性

| 属性 | 类型 | 默认值 | 描述 | | :-------- | :------ | :------------------------ | :-------------------------------------------------------------------------------------------------------------------------- | | apiConfig | Object | {} | 接口配置 | | isPaused | Boolean | false | 是否暂停 | | isCancelled | Boolean | false | 是否终止 | | downloaded | Number | 0 | 下载完成大小 | | chunks | Array | [] | 分片列表 | | fileName | String | | 文件名 | | chunkSize | Number | 0 | 切片大小 | | maxRetries | Number | 0 | 重试次数 |

实例函数

| 函数 | 参数 | 返回值 | 描述 | | :--------- | :--- | :------- | :----------------------------------------- | | start | | | 开始下载 | | pause | | | 暂停下载 | | resume | | | 继续下载(断点续传) | | stop | | | 终止并销毁下载任务 |

获取远程文件大小

引入

npm

import { getFileSize } from 'files-tool'
使用
const { size } = await getFileSize('http://xxxxxx/api/download/123')

致谢

特别感谢 pluploadStreamSaver.js