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README
GPL-2.0

SQLiteFileMana

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> v2.7(发行版)  — 望山010 — 2024年03月20日

版本新特性:

:star: Server 程序新增适配了 Windows Server 2008、Windows 7、Linux

:star: Server 程序使用 TypeScript 进行重构

:star: 新增资源库的文件搜索功能

:star: 支持了 temp/fileDB 包含子文件夹

:star: 新增高级管理工具,允许对数据库悬空文件进行清理

:star: WinUI-win32-x64 程序,可免费使用至 2024年 05 月 25日

信息 描述
国内镜像 https://gitee.com/WangShan010/SQLiteFileMana.git
GitHub https://github.com/WangShan010/SQLiteFileMana.git(没有实时维护,可能会有版本滞后)
最新版本 v2.7 2024年03月20日
交流群 QQ交流群:199800258
作者 WangShan010(QQ:2394837320)

一、🐯 项目简介

将硬盘中【数千万零碎文件】存储到 SQLite 的 BLOB 类型字段中,并能对外发布 HTTP 服务供访问。主要用于 WebGIS 运维,是一款易用的 GIS 资源存储分发程序。

项目包括两个子程序:

  • 服务端核心程序:源码完全开源,个人与企业可 100%免费使用,但需保留原作者署名
  • WinUI 用户操作程序:简单易用便于运维人员进行数据管理

有任何问题,或者想要的功能,可以在 加 QQ 群:199800258 提给作者。

欢迎白嫖!欢迎试用程序,提交 BUG!欢迎扒源码交流学习!

😜 给项目点点 Star 吧,这对我真的很重要!

功能:

  • 可取代 Nginx、Tomcat、Wamp;在本机启动一个轻量级 Web 服务器,可以将 Web 项目的静态页面资源部署到 【http://127.0.0.1:3000/】。
  • 管理上千万的零碎的 GIS 静态文件资源,包括:img瓦片资源、.terrain地形资源、.b3dm 倾斜模型等

软件特点:

  • 可通过操作面板扫描本地文件夹,导入数以千万的文件数据,进行统一压缩,以 BLOB 类型存储在一个 SQLite 数据库文件中,迁移(备份)数据时能极大提升文件复制速度。
  • 支持将资源数据库中的文件数据发布成 HTTP 服务,为文件的分发提供便利。
  • WinUI.exe程序,通过友好的操作界面,使用纯 HTML ,仿 window 10 的资源管理器 。

软件界面:

主界面

下载地址:

文件名 下载地址 版本号
Server-win-x64 https://bj.webgpu.top:3006/SQLiteFileMana/Release/Server-win-x64.rar v2.7(发行版)
WinUI-win32-x64 https://bj.webgpu.top:3006/SQLiteFileMana/Release/WinUI-win32-x64.rar v2.7(发行版)
Docker-镜像 https://bj.webgpu.top:3006/SQLiteFileMana/Release/Docker/sqlite-file-mana.tar v2.7(发行版)

Windows 使用指南:

  • 第一步:双击启动:Release\Server-win-x64\app.exe
  • 第二步:双击启动:Release\WinUI-win32-x64\WinUI.exe

linux 使用指南:

  • 执行命令:【./app】

二、🚀愿景

前言:我是GIS行业的一名普通程序🐶,喜欢追逐新鲜的技术,渴望做一些好玩、有用的东西。这项目是我开源的第一个作品,虽然技术能力有限,但很高兴有这么多人能 Start 我的项目,非常欢迎有时间有精力的小伙伴能与我一起构建这个项目。

1、管理 GIS 海量数据

① 有人问:为什么不使用【mongodb】或者其他更高级的【分布式文件系统】管理数据 ?

答:这些技术方案的性能当然非常强大,但还需要进行大量的环境部署工作。而我只希望能有一个轻量级的资源托管程序,把我的 WebGIS 项目直接存放在我的 U 盘里,无需部署环境和安装程序,一点击就能启动。点击拷贝,仅需要10分钟,很快就能部署到云服务器上。甚至可以把这个程序直接部署到 【安卓平板】上,在断网环境下使用 Cesium Web应用。

② CesiumLab 也有散列文件转紧凑文件的功能,甚至有能一站式发布 HTTP 服务等强大的功能,这个项目是重复造轮子吗?

答:我也有过这个困惑,但一步步完善这个项目后。我的编程技能是还是有了成长的。至于重复造轮子的问题,我发现网上还是 没有好用 的资源托管程序(开源)。而 JunFang 、BaoMi 项目更看重的是 数据安全性以及程序 源码的可控性 。至少我的领导是不会允许我把 CesiumLab 软件安装到内网 BaoMi 机的服务器上。而这个 SQLiteFileMana 项目,可以作为一个方案补充。

2、技术路线

③ 项目采用的 Sqlite 存储方案是 MbTiles 吗?

答:不是。MBTiles 仅支持矢量或图像瓦片数据,其通用性较差。本项目借鉴其数据库结构,另设计了一套简易的表结构规范(具体参见源码),新的存储方案性能与 MbTiles 无区别。

④ 关于全平台

答:开发初衷是这个服务程序是可以的兼容运行在【Windows、Linux、安卓】上的。

NodeJS 技术体系中的【PKG】和【Electron】是两个令人激动的工具,他们使 JavaScript 能运行在多平台的系统上,甚至构建出:

  • 在 Windows 系统上,能直接访问磁盘的 win 窗体程序

  • 在 Android 系统上可运行的 arm 程序包 >

3、使用说明

⑤ 软件是免费使用吗?

答:本项目于2021年8月发起,作者耗费大量业余的时间、精力进行开发。软件免费使用,包含两个独立的程序:服务端程序、操作面板程序,如下:

  • Server-win-x64.exe

    应用程序的核心服务程序,包含了:数据库访问、文件管理、权限管理、发布 HTTP 静态资源等后端功能模块。代码完全开源,允许其他开发者基于主版本进行二次开发、业务功能拓展、数据安全模块拓展,但需保留作者署名。

  • WinUI-win32-x64.exe

    为运维人员开发的一个管理资源库的操作面板,基于 Electron开发,可直接弹起系统自带的 【选择文件】、【选中文件夹】对话框,更便于用户操作,需要在本机上使用。后续会继续进行新功能的开发、修复BUG,不定期升级,代码闭源,每 2个月发布一版免费使用的发行版,也可购买专业版。

    备注:如果您是具备基本的开发能力的程序员,阅读源码后完全可以使用服务端暴露出的接口调用全部功能。

三、🐨技术选型

技术 名称 官网
PKG NodeJs 程序跨平台打包工具 https://www.npmjs.com/package/pkg
NodeJs NodeJS V16.14.2+ http://nodejs.cn/
Koa2 web 后台开发框架 https://koa.bootcss.com/
SQLite3 是一款轻型的本地数据库 http://www.sqlite.org/

五、🐷 开发指南

1、开发指南

cnpm install pkg -g

2、测试平台

性能测试:SQLiteFileMana\Projects\Server
平台
	系统:windows 10
	硬件:i7-10875H、M2 1T固态
	素材:
		- DEM-wordHeights	(3.11GB;2,800,297文件)
		- DOM-google		(1.39GB;3086文件)

3、建库性能测试

我们在代码层面对 SQLite【数据建库】操作做了非常多的优化。包括:SQL 语句聚合、开启事务、多线程优化等。单线程 insert 平均速度为【1千个文件 / 秒】,多线程 insert 【6千个文件 / 秒】的极致优化。

目前制约性能的瓶颈主要是计算机物理硬盘的读写速度

测试平台 测试项 结果
WinRAR 131,584 个 .terrain 地形文件;.rar 格式,存储方式压缩 81s
Server 131,584 个 .terrain 地形文件;开启4线程,建库 32s

4、读取性能测试

将文件存入 Sqlite 再读出来,当文件总数特别大时,会不会有性能损失呢?这里直接与业界公认最强 HTTP 服务器 Nginx 做对比。

数据库已经对常用字段建立索引了,经测试,相比于直接将海量散列文件放在 nginx 等服务器目录的传统方式,性能相差无几

因此完全无需担心系统的性能问题

测试平台 测试项 结果
nginx 单线程,循环 get 请求 1W 次,2kb .terrain地形数据 9.1s
Server 单线程,循环 get 请求 1W 次,2kb .terrain地形数据 10.8s
测试平台 测试项 结果
nginx 50并发,循环 get 请求 200 次,2kb .terrain地形数据 6.1s
Server 50并发,循环 get 请求 200 次,2kb .terrain地形数据 5.2s
测试平台 测试项 结果
Server 全球 0-12 级MapBox 卫星瓦片,83.2 GB共计 2236 万零碎文件的资源库,随机读出某个瓦片 7ms

六、❓ 应用场景

1、GIS 数据托管

在 Cesium 开发开发过程中,地理资源大都以切片的方式显示地图:
	
(1)影像地图:预生成一定规格的地图切片【.png】缓存在服务器,用于响应客户端的地图请求。
(2)地形数据:将原始【.tif】地形数据,加工为【.terrain】文件
(3)3Dtile:三维场景中模型的 LOD 格式
	
	软件系统开发完成后,都面临着一个残酷的现实:
	将这些数以千万的零散地理数据文件向服务迁移、备份是一件很痛苦的一件事。
例如:迁移一份2.5GB的全球【.terrain】地形数据,零散文件共计
2, 800, 297个文件,平均每个文件8kb大小,直接拷贝,则需要大约65分钟,
即便使用 WinRAR 软件压缩后再迁移,压缩也最快至少需要 38分钟,
移动压缩包之后仍需解压。
// 硬件环境:金士顿 M.2 SSD,最大传输速度:1.2GB/s

使用 SQLiteFileMana 程序,你可以花费 38分钟,进行散列文件的建库, 得到一个 2.6GB 的单文件资源包,然后可以花费 5秒 的时间,将你的数据迁移和部署到任何机器。

2、数据安全加密

在很多中小型公司的 WebGIS 项目部署时,常将 高精度地图瓦片、3Dtiles 的散列文件直接放到 Nginx,经常很多个项目的资源数据都放到一台云服务器上,运维人员可直接访问原始数据,这时数据安全性无法得到保证。

sqlite 数据库是可以加上密码的,如果将 数据库密码服务器机器码 进行绑定,即便资源包直接被拷贝走了,也不用担心数据泄露丢失。

七、🤝 其他

  • WangShan010 代码贡献者,项目创建者

如果您觉得还不错请在右上角点一下 star,帮忙转发,谢谢 🙏🙏🙏 大家的支持是开源最大动力

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It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty; and each file should have at least the "copyright" line and a pointer to where the full notice is found. <one line to give the program's name and a brief idea of what it does.> Copyright (C) <year> <name of author> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Also add information on how to contact you by electronic and paper mail. If the program is interactive, make it output a short notice like this when it starts in an interactive mode: Gnomovision version 69, Copyright (C) year name of author Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, the commands you use may be called something other than `show w' and `show c'; they could even be mouse-clicks or menu items--whatever suits your program. You should also get your employer (if you work as a programmer) or your school, if any, to sign a "copyright disclaimer" for the program, if necessary. Here is a sample; alter the names: Yoyodyne, Inc., hereby disclaims all copyright interest in the program `Gnomovision' (which makes passes at compilers) written by James Hacker. <signature of Ty Coon>, 1 April 1989 Ty Coon, President of Vice This General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Lesser General Public License instead of this License.

简介

将硬盘中数千万零碎资源文件存储到 SQLite 的 BLOB 类型字段中,并能对外发布 HTTP 服务供访问。 展开 收起
JavaScript 等 5 种语言
GPL-2.0
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