IaaS指提供系统（可以自己选）或者储存空间之类的硬件，软件要自己手动装；PaaS提供语言环境和框架（可以自己选）；SaaS只能使用开发好的软件（卖软件本身）；BaaS一般类似于非关系数据库，但各家不通用，有时还有一些其它东西。
| // | |
| // Created by はるふ on 2017/12/11. | |
| // Copyright © 2017年 ha1f. All rights reserved. | |
| // | |
| import Foundation | |
| import CoreImage | |
| import AVFoundation | |
| extension CIFilter { |
| var CryptoJS = require('crypto-js') | |
| var request = require('request-promise') | |
| /* | |
| * npm install crypto-js request-promise request | |
| * node wx_t1t_hack.js | |
| */ | |
| // export function testEncription(msg, fullKey) { | |
| // var fullKey = fullKey.slice(0, 16) |
| // | |
| // GIF2MP4.swift | |
| // | |
| // Created by PowHu Yang on 2020/4/24. | |
| // Copyright © 2020 PowHu Yang. All rights reserved. | |
| // | |
| /* How to use | |
| let data = try! Data(contentsOf: Bundle.main.url(forResource: "gif", withExtension: "gif")!) | |
| let tempUrl = URL(fileURLWithPath: NSTemporaryDirectory()).appendingPathComponent("temp.mp4") |
| extension UIImage { | |
| func resizeCI(size:CGSize) -> UIImage? { | |
| let scale = (Double)(size.width) / (Double)(self.size.width) | |
| let image = UIKit.CIImage(CGImage:self.CGImage!) | |
| let filter = CIFilter(name: "CILanczosScaleTransform")! | |
| filter.setValue(image, forKey: kCIInputImageKey) | |
| filter.setValue(NSNumber(double:scale), forKey: kCIInputScaleKey) | |
| filter.setValue(1.0, forKey:kCIInputAspectRatioKey) | |
| let outputImage = filter.valueForKey(kCIOutputImageKey) as! UIKit.CIImage |
| /* | |
| Copyright (c) 2017 Chris Patuzzo | |
| https://twitter.com/chrispatuzzo | |
| Permission is hereby granted, free of charge, to any person obtaining a copy | |
| of this software and associated documentation files (the "Software"), to deal | |
| in the Software without restriction, including without limitation the rights | |
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| copies of the Software, and to permit persons to whom the Software is | |
| furnished to do so, subject to the following conditions: |
