使用Node.js编写，依赖progress、request、string-width、performance-now模块。
abook-downloader.js是源代码，abook-downloader.bundle.min.js是打包好的bundle，可独立运行。packer.sh是打包器。
使用方法
先去https://github.com/Sam0230/abook-downloader/releases 下载你的电脑对应的版本：
M1 Mac上的macOS： macOS on Apple Silicon.zip
Intel CPU的Mac上的macOS： macOS on Intel CPU.zip
大部分Windows： Windows on x86-64 CPU.zip
M1 Mac上虚拟机里的Windows： virtualized Windows on Mac with Apple Silicon.zip
Linux： abook-downloader.bundle.min.js
sam0230@Sam0230-macOS:~$ /Users/sam0230/Downloads/macOS.on.Apple.Silicon/launch-mac-arm64.sh (解压，然后Windows用户双击打开launch-windows-XXX.bat，macOS用户打开终端，把launch-mac-XXX.sh拖进去，再按回车键。Linux用户用包管理器安装Node.js，然后node abook-downloader.bundle.min.js)
Username: Sam0230 (输如你的用户名，回车)
Password: XXXXXXXX (密码)
login().
login() succeeded.
Fetching course list.
Successfully fetched course list.
There are 3 course(s) available:
0 5000003017 有机化学（第六版）
1 5000003391 无机化学（第四版）
2 5000003478 普通化学（第七版）
Course number / ID, or R to reload, A to download all, Q to quit: 2 (你想下载的课程前面的数字，或R来刷新列表，A来下载全部，Q来退出)
Fetching resource structure.
Successfully fetched resource structure.
Fetching download links.
Successfully fetched download links.
Resource structure of cource 5000003478:
{
"name": "root",
"id": 0, (注意这里)
"children": [
{
"name": "课程介绍",
"id": 5000360653,
"children": []
},
{
"name": "电子教案",
"id": 5000360654, (注意这里)
"children": [
{
"name": "绪论、第一章",
"id": 5000360661,
"children": []
},
{
"name": "第二章",
"id": 5000360662,
"children": []
},
{
"name": "第三章",
"id": 5000360663,
"children": []
},
{
"name": "第四章",
"id": 5000360664,
"children": []
},
{
"name": "第五章",
"id": 5000360665,
"children": []
},
{
"name": "第六章",
"id": 5000360666,
"children": []
},
{
"name": "第七章",
"id": 5000360667,
"children": []
},
{
"name": "第八章",
"id": 5000360668,
"children": []
},
{
"name": "第九章",
"id": 5000360669,
"children": []
}
]
},
{
"name": "重难点习题讲解",
"id": 5000360655, (注意这里)
"children": [
{
"name": "1. 化学热力学",
"id": 5000360670,
"children": [
{
"name": "试题1",
"id": 5000360671,
"children": []
},
{
"name": "试题2",
"id": 5000360678,
"children": []
},
{
"name": "试题3",
"id": 5000360680,
"children": []
},
{
"name": "试题4",
"id": 5000360681,
"children": []
},
{
"name": "试题5",
"id": 5000360691,
"children": []
},
{
"name": "试题6",
"id": 5000360692,
"children": []
},
{
"name": "试题7",
"id": 5000360693,
"children": []
},
{
"name": "试题8",
"id": 5000360694,
"children": []
},
{
"name": "试题9",
"id": 5000360695,
"children": []
},
{
"name": "试题10",
"id": 5000360696,
"children": []
},
{
"name": "试题11",
"id": 5000360697,
"children": []
},
{
"name": "试题12",
"id": 5000360698,
"children": []
},
{
"name": "试题13",
"id": 5000360699,
"children": []
},
{
"name": "试题14",
"id": 5000360700,
"children": []
},
{
"name": "试题15",
"id": 5000360701,
"children": []
},
{
"name": "试题16",
"id": 5000360702,
"children": []
},
{
"name": "试题17",
"id": 5000360703,
"children": []
},
{
"name": "试题18",
"id": 5000360704,
"children": []
},
{
"name": "试题19",
"id": 5000360705,
"children": []
},
{
"name": "试题20",
"id": 5000360706,
"children": []
},
{
"name": "试题21",
"id": 5000360707,
"children": []
},
{
"name": "试题22",
"id": 5000360708,
"children": []
},
{
"name": "试题46",
"id": 5000360731,
"children": []
},
{
"name": "试题48",
"id": 5000360733,
"children": []
}
]
},
{
"name": "2. 电化学",
"id": 5000360672,
"children": [
{
"name": "试题23",
"id": 5000360673,
"children": []
},
{
"name": "试题24",
"id": 5000360709,
"children": []
},
{
"name": "试题25",
"id": 5000360710,
"children": []
},
{
"name": "试题26",
"id": 5000360711,
"children": []
},
{
"name": "试题27",
"id": 5000360712,
"children": []
},
{
"name": "试题28",
"id": 5000360713,
"children": []
},
{
"name": "试题29",
"id": 5000360714,
"children": []
},
{
"name": "试题30",
"id": 5000360715,
"children": []
},
{
"name": "试题31",
"id": 5000360716,
"children": []
},
{
"name": "试题32",
"id": 5000360717,
"children": []
},
{
"name": "试题49",
"id": 5000360734,
"children": []
}
]
},
{
"name": "3. 化学动力学",
"id": 5000360674,
"children": [
{
"name": "试题33",
"id": 5000360675,
"children": []
},
{
"name": "试题34",
"id": 5000360718,
"children": []
},
{
"name": "试题35",
"id": 5000360719,
"children": []
},
{
"name": "试题36",
"id": 5000360720,
"children": []
},
{
"name": "试题37",
"id": 5000360721,
"children": []
},
{
"name": "试题38",
"id": 5000360722,
"children": []
},
{
"name": "试题39",
"id": 5000360723,
"children": []
},
{
"name": "试题40",
"id": 5000360724,
"children": []
}
]
},
{
"name": "4. 配位化学",
"id": 5000360676,
"children": [
{
"name": "试题41",
"id": 5000360677,
"children": []
},
{
"name": "试题42",
"id": 5000360725,
"children": []
},
{
"name": "试题43",
"id": 5000360726,
"children": []
},
{
"name": "试题44",
"id": 5000360727,
"children": []
}
]
},
{
"name": "5. 其他",
"id": 5000360729,
"children": [
{
"name": "试题45",
"id": 5000360730,
"children": []
},
{
"name": "试题47",
"id": 5000360732,
"children": []
},
{
"name": "试题50",
"id": 5000360735,
"children": []
}
]
}
]
},
{
"name": "拓展知识",
"id": 5000360656,
"children": [
{
"name": "1.手性药物",
"id": 5000360657,
"children": []
},
{
"name": "2.拆分原理",
"id": 5000360658,
"children": []
},
{
"name": "3.扁桃酸",
"id": 5000360659,
"children": []
}
]
}
]
}
The ID of the resource / resource tree to download, or R to return: (你要下载的部分的ID，比如，你想下载电子教案，就输入5000360654，就是上面电子教案那一栏里的ID，而重难点习题讲解的就是5000360655，0是下载全部)
Fetching resource information.
Successfully fetched resource information.
Downloader (Built-in - default, Aria2, cUrl, Cancel): b (b是内建下载器，a是aria2，u是curl，c是取消)
Downloading AbookDownloads/普通化学（第七版）/电子教案/绪论、第一章/绪论+第1章.pptx .
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There are 3 course(s) available:
0 5000003017 有机化学（第六版）
1 5000003391 无机化学（第四版）
2 5000003478 普通化学（第七版）
Course number / ID, or R to reload, A to download all, Q to quit: q
sam0230@Sam0230-macOS:~$