CacheManager class
create_user: zhengzaihong email:1096877329@qq.com create_date: 2021/6/14 create_time: 16:10 describe: 缓存工具
Properties
- hashCode → int
- 
  The hash code for this object.
  no setterinherited
- runtimeType → Type
- 
  A representation of the runtime type of the object.
  no setterinherited
Methods
- 
  noSuchMethod(Invocation invocation) → dynamic 
- 
  Invoked when a nonexistent method or property is accessed.
  inherited
- 
  toString() → String 
- 
  A string representation of this object.
  inherited
Operators
- 
  operator ==(Object other) → bool 
- 
  The equality operator.
  inherited
Static Methods
- 
  clearApplicationCache({Directory? docDirectory, Directory? tempDirectory}) → void 
- 删除缓存
- 
  deleteDirectory(FileSystemEntity file) → Future< void> 
- 
  formatSize(double? value) → String 
- 
  getCache({Directory? docDirectory, Directory? tempDirectory}) → Future< String> 
- 
  loadApplicationCache({Directory? docDirectory, Directory? tempDirectory}) → Future< double> 
- 外部可借助 path_provider 获取指定的目录读取大小 Directory docDirectory = await getApplicationDocumentsDirectory(); Directory tempDirectory = await getTemporaryDirectory();
- 
  writeToFile(Directory documentsDir, String fileName, String notes, {String? direcName, String? userId = "user"}) → Future< File> 
- 将数据内容写入doc文件夹里,如果不传direcName,默认存doc文件夹 documentsDir 文件夹 ---路径。没有则创建 fileName: 文件名 notes 要存储的内容 direcName 文件夹名字,如分类,首页,购物车,我的等。可不传 userId 可根据不同的用创建不同的文件夹 简单标示