// 获取APP缓存
func getCacheSize()-> String {
// 取出cache文件夹目录
let cachePath = NSSearchPathForDirectoriesInDomains(.cachesDirectory, .userDomainMask, true).first
// 取出文件夹下所有文件数组
let fileArr = FileManager.default.subpaths(atPath: cachePath!)
//快速枚举出所有文件名 计算文件大小
var size = 0
for file in fileArr! {
// 把文件名拼接到路径中
let path = cachePath! + ("/\(file)")
// 取出文件属性
let floder = try! FileManager.default.attributesOfItem(atPath: path)
// 用元组取出文件大小属性
for (key, fileSize) in floder {
// 累加文件大小
if key == FileAttributeKey.size {
size += (fileSize as AnyObject).integerValue
}
}
}
let totalCache = Double(size) / 1024.00 / 1024.00
return String(format: "%.2f", totalCache)
}
// 删除APP缓存
func clearCache() {
// 取出cache文件夹目录
let cachePath = NSSearchPathForDirectoriesInDomains(.cachesDirectory, .userDomainMask, true).first
let fileArr = FileManager.default.subpaths(atPath: cachePath!)
// 遍历删除
for file in fileArr! {
let path = (cachePath! as NSString).appending("/\(file)")
if FileManager.default.fileExists(atPath: path) {
do {
try FileManager.default.removeItem(atPath: path)
} catch {
}
}
}
}
