const Download = require('node-remote-file-save');
const path = require('path');
// *** 001
let res = Download.download({
url: 'https://www.baidu.com',
dir: path.resolve(__dirname + '/uploads'),
});
res.then(res => {
console.log(res);
/*
{
status: 200,
msg: 'success',
resource: 'https://www.baidu.com',
data:
{
filePath: 'D:\\1a\\github\\node-download-remote\\test\\uploads\\1beccd6c357c4487907d2e6bf1e06556.html',
contentType: 'text/html'
}
}
* */
});
// *** 002
let res2 = Download.download({
url: 'https://www.baidu.com',
dir: path.resolve(__dirname + '/uploads'),
// 可选 default:'' || 保存文件名称，空则生成随机字符串
fileName: 'baidu',
// 可选 default:false || 自动设置文件名后缀。根据http响应content-type来保存文件后缀。手动设置fileName生效
autoSuffix: true
});
res2.then(res => {
console.log(res);
/*
{
status: 200,
msg: 'success',
resource: 'https://www.baidu.com',
data:
{
filePath: 'D:\\1a\\github\\node-download-remote\\test\\uploads\\baidu.html',
contentType: 'text/html'
}
}
* */
});
// *** 003
let download = new Download();
// 必须 || 实例配置，为一个实例设置一个配置
download.setConfig({
dir: path.resolve(__dirname + '/uploads/uploads10'),
// 可选 default:1 || 并行下载数
meanwhile: 3,
});
download.push('https://www.baidu.com/img/bd_logo1.png');
download.push('https://www.sogo.com/web/index/images/logo_440x140.v.4.png');
download.push({
url: 'https://www.baidu.com/img/bd_logo1.png',
// 可选 default:实例配置 || 如未有提供此参数，默认使用配置实例配置
dir: path.resolve(__dirname + '/uploads/images'),
// 可选 || 同002
fileName: 'baidu_logo_2',
// 可选 || 同002
autoSuffix: true
});
download.push([
'https://www.sogo.com/',
'https://www.baidu.com',
{
url: 'https://www.sogo.com/web/index/images/logo_440x140.v.4.png',
// 可选 default:实例配置 || 如未有提供此参数，默认使用配置实例配置
dir: path.resolve(__dirname + '/uploads/images'),
// 可选 || 同002
fileName: 'sogou_logo',
// 可选 || 同002
autoSuffix: true
}
]);
// 查看远程下载列表
// console.log(download.list)
// 启用下载
let res3 = download.exec();
res3.then(res => {
console.log(res);
// console.log(download.list);// []
});
/*
[
{ status: 200,
msg: 'success',
resource: 'https://www.baidu.com/img/bd_logo1.png',
data:
{ filePath: 'D:\\1a\\github\\node-download-remote\\test\\uploads\\uploads10\\29d2f53a6946424782f25f33cf88968c.png',
contentType: 'image/png' } },
{ status: 200,
msg: 'success',
resource: 'https://www.sogo.com/web/index/images/logo_440x140.v.4.png',
data:
{ filePath: 'D:\\1a\\github\\node-download-remote\\test\\uploads\\uploads10\\3278542b0f22433ab3ba4f6e7e6871bc.png',
contentType: 'image/png' } },
{ status: 200,
msg: 'success',
resource: 'https://www.baidu.com/img/bd_logo1.png',
data:
{ filePath: 'D:\\1a\\github\\node-download-remote\\test\\uploads\\images\\baidu_logo_2.png',
contentType: 'image/png' } },
{ status: 200,
msg: 'success',
resource: 'https://www.sogo.com/',
data:
{ filePath: 'D:\\1a\\github\\node-download-remote\\test\\uploads\\uploads10\\7185f36634ed4cfabe2e57b10b43b94a.html',
contentType: 'text/html; charset=UTF-8' } },
{ status: 200,
msg: 'success',
resource: 'https://www.baidu.com',
data:
{ filePath: 'D:\\1a\\github\\node-download-remote\\test\\uploads\\uploads10\\a4e84f80ee344626a5e9ad712be041b0.html',
contentType: 'text/html' } },
{ status: 200,
msg: 'success',
resource: 'https://www.sogo.com/web/index/images/logo_440x140.v.4.png',
data:
{ filePath: 'D:\\1a\\github\\node-download-remote\\test\\uploads\\images\\sogou_logo.png',
contentType: 'image/png' } }
]
*/
// *** 004
// 错误处理
// 1、在exec执行下载时为保证其他下载继续，返回的中promise永远不会得到reject状态
// 2、如遇远程资源无法访问、http响应非200或者请求地址错误时(非完整http地址)，会在resolve状态中数组得到相应信息，如下
let download2 = new Download();
download2.setConfig({
dir: path.resolve(__dirname + '/uploads/uploads11'),
});
download2.push([
'https://www.google.com',
'https://www.sogou.com',
'https://www.sogou.com/404',
'www.google.com',
]);
let res4 = download2.exec();
res4.then(res => {
console.log(res);
/*
[
{ status: 0,
msg: 'Request error: ETIMEDOUT',
resource: 'https://www.google.com' },
{ status: 200,
msg: 'success',
resource: 'https://www.sogou.com',
data:
{ filePath: 'D:\\1a\\github\\node-download-remote\\test\\uploads\\uploads11\\32f975aedae444d68a55db7943390be7.html',
contentType: 'text/html; charset=UTF-8' } },
{ status: 404,
msg: 'Response error: The status code is not 200',
resource: 'https://www.sogou.com/404' },
{ status: 0,
msg: 'Request error: Invalid URI "www.google.com"',
resource: 'www.google.com' }
]
*/
});
// *** 005
// 依赖模块
console.log(Download.request);
console.log(Download.makeDir);
console.log(Download.mimeTypes);