Swift 5 获取缓存目录、文章目录和临时目录

开发调优
1 
// 文档目录
let DocumentPath = NSSearchPathForDirectoriesInDomains(FileManager.SearchPathDirectory.documentDirectory, FileManager.SearchPathDomainMask.userDomainMask, true).last! as String
// 缓存目录
let CachePath = NSSearchPathForDirectoriesInDomains(FileManager.SearchPathDirectory.cachesDirectory, FileManager.SearchPathDomainMask.userDomainMask, true).last! as String
// 临时目录
let TempPath = NSTemporaryDirectory() as String